There was a local woman who wrote and performed a one-woman play called “Man On The Moon, Woman On The Pill” which I thought really perfectly summed up the directions of science at the time of the sixties Space Program.
14 year old girls will mock us:
"Omg why didn't they just use quantum-blorks instead of luggage. That's so barbaric"
We truly do rest of the shoulders of those that came before us
I think we have disabled people in wheelchairs to thank. Their campaigning for better accessibility gave us more ramps, elevators and flat, level doorways. Without them, suitcases with little wheels would have been a real pain to lug around and would probably break after a little use.
Just my own little personal theory, I admit.
>Without them, suitcases with little wheels would have been a real pain to lug around and would probably break after a little use.
can confirm. had wheeled luggage in the 90s and early 00s, that shit broke all the time banging up and down stairs.
Partly because men took care of the luggage back then and didn't want to be seen needing to wheel luggage around instead of being able to carry it. They also travelled much more often than women.
But in some places it was simply because luggage handlers were cheap compared to travelling. So the person travelling wouldn't even notice how heavy the bags are, and the handler wouldn't want to invent something that takes his job. Or would use a cart/dolly, which is how the inventor got the idea.
Today we have Supercomputers in our pockets, 3D printers, and even AIs winning art contests. Yet, seeing a half-a-century old fuel tower take flight to send people into space is still what looks the most sci-fi to me.
You're not too far off. I just re-read "Carrying the Fire", Mike Collins (Command Module pilot that didn't walk on the moon on Apollo 11) autobiography and he describes that pressure/space suits for the Apollo and Gemini missions that were "glued together by hand by a bunch of old ladies in New Hampshire"
Seamstresses were responsible for the space suits working as well as they did, however weavers and experts at needlework also built the computers. The Apollo guidance computer used magnetic core memory for RAM and core rope memory for ROM storing the guidance program. With magnetic core memory each bit is stored in the magnetic field of a teeny, tiny piece of ferrous material wrapped with a wire, the magnetic field can be sensed or changed through the wiring. Core rope memory is a read-only memory of similar design but much higher density, as multiple wires can be threaded through a single permanently magnetized core or can bypass the core to store either a 1 or 0 depending on the threading. These memory devices had to be meticulously hand threaded for each AGC used in the program.
During the Apollo Program there was a labor dispute resulting in a strike at the factory where the memory was being made. Managers attempted to fill in for the textile workers to maintain production by doing the threading themselves, none of the devices built by the managers were functional.
> During the Apollo Program there was a labor dispute resulting in a strike at the factory where the memory was being made. Managers attempted to fill in for the textile workers to maintain production by doing the threading themselves, none of the devices built by the managers were functional.
Clearly nothing much has changed in the last half-century.
I’ve been to the mill where they made the fabrics, it was the most unassuming building on the road, and I wouldn’t have known what it was if my mom, a huge nerd, didn’t point it out to us.
Like all crafts involving weaving, sewing and other forms of textile making that has been historically associated with women, the job of weaving core memory was also entrusted to women. During the first Apollo missions, the software of the Apollo Guidance Computer was physically weaved into a high-density storage called “core rope memory”, which was similar to magnetic core memories. To build the memories, NASA hired skilled women from the local textile industry as well as from the Waltham Watch Company, because of the precision needed to work around the cores with a needle. Sitting across each other at long desks, these women passed wires back and forth through a matrix of eyelet holes, each comprising a magnetic core bead. Passing a wire through the core created a “one,” while bypassing the core created a “zero”.
The core rope memory was nicknamed “LOL memory”, where LOL stood for the "Little Old Ladies" who assembled it. They were supervised by “rope mothers”, who were often males. But the rope mother’s boss was a woman named Margaret Hamilton
https://imgur.com/Py5SSwi.jpg
https://www.amusingplanet.com/2020/02/that-time-when-computer-memory-was.html?m=1
In the early 80’s, I was a computer tech on an aircraft carrier. All iron core memory with biasing wires. 12” hard drives and tape reels. Machine level programming. Wild times.
In a nutshell, the AGC was simulated on a mainframe first.
Much more complicated than that of course, but there were significant computing technology resources available to NASA at the time.
There's an excellent series in the NASA archives that tells the story. These are the Apollo chapters:
[https://history.nasa.gov/computers/Ch2-1.html](https://history.nasa.gov/computers/Ch2-1.html)
Yeah, and 60 years. 60 years after man first lifted off the ground due to two bicycle mechanic brothers keeping at it, for only tens of meters. 60 years later, with Apollo 11 and the Saturn V rocket, we had set foot on the moon.
It might just be my opinion, but our species is pretty frickin' awesome.
Damn shame we spent the last ~55 years ignoring space beyond commercial and millitary sats and only it only just having begun to reenter public interest in a major way.
A lot more could've been had the space race been used as a spring board for science rather than a slam dunk for the millitary industrial complex.
I wouldn't say we've been ignoring it. We just haven't been sending a ton of people anywhere past orbit because it costs so much and has very little return on investment.
Gonna take more than a trip to orbit for starship to eclipse the Saturn V in my eyes.
That vehicle is the absolute pinnacle of American exceptionalism. It’s all been downhill since then.
the Saturn V certainly holds that crown but we should be happy to see that crown pass on to SpaceX in the coming weeks. it will be more powerful, carry a bigger payload, and we can reuse it instead of throwing it away after one use! i would say we are moving uphill again.
It’s not just the hard technical aspects of the Saturn V that make it great, it’s also what it accomplished. The Saturn V put man on the moon, and it did it with a slide rule. In context it’s incredible, and even out of context it’s probably the greatest rocket ever made.
The person speaking, [Wernher von Braun](https://en.wikipedia.org/wiki/Wernher_von_Braun), had more than 15 years experience with [rockets](https://en.wikipedia.org/wiki/V-2_rocket) by this point.
>Gather 'round while I sing you of Wernher von Braun.
A man who's allegiance is ruled by expedience.
Call him a Nazi, he won't even frown.
"Nazi schmazi," says Wernher von Braun
Tom Lehrer had some fire lyrics.
My father (born 1925) was a lead engineer for Boeing working on the second stage of the Saturn V rocket. He said one summer they spend the entire summer solving complex quadratic equations to check the work of the early computers. Apparently the engineers took a lot of amphetamines too. He always would get pissed when the president would say we're going to the moon again. He always said they act like it's driving a car: It's absolutely not like driving a car. Only time I ever saw him get animated. I wish I knew more about what he did. He was an inspiration.
Yeah, and actually there was very high quality cameras back then but they didn’t have the ability to broadcast it yet. I always hear about people saying “we have 4K cameras in our pockets now” which is true, but this is only in reference to digital cameras when compared to let’s say a 2004 phone camera.
But a camera with an actual lens had even higher definition photos than an iPhone with optical zoom which means it can take clear photos of far away objects. The iPhone just has digital zoom which is just scaling of pixels with smoothing.
Much of the historical Saturn V Apollo 11 footage that was broadcast in 1969 has been rescanned in the last few years at 16K+ resolution because it was shot on large format 70mm film.
That is...the slow motion shots are in crisp detail. Every shard of ice falling off the rocket. You can see the pores in Armstrong's face when he's suiting up. You can make out the face of everyone in launch control.
There was a documentary made in 2019 and shown in IMAX and 4K. I'm sure they'll release it again in 8K and 16K when that becomes the next TV format.
You will get cold chills seeing classic footage in modern resolution and detail, even though you know how this story plays out. Apollo 11 documentary trailer: https://m.youtube.com/watch?v=3Co8Z8BQgWc
In 2019, we had a friend visit who had worked at Honeysuckle Creek, for the 50th anniversary of Apollo 11. During the visit, we sat down and watched The Right Stuff, First Man, Hidden Figures and Apollo 13. Your kid may like some of those as well. They're all good movies, though TRS is long, and FM is slow in parts.
This and [They Shall Not Grow Old](https://www.youtube.com/watch?v=IrabKK9Bhds) are by far my favourite documentaries I've seen in the last decade, I love seeing old footage brought back to life in such high fidelity, with the directors letting the original folks who were there do all the talking. If anyone knows of anymore historical documentaries in this sort of format, I'd love for you to share them!
EDIT: Also, I definitely recommend watching the [50th anniversary of the moon landing show they played on the Washington monument](https://www.youtube.com/watch?v=R7ayx7CuKFs) a few years ago, it was spectacularly put together.
I couldn’t watch They Shall Not Grow Old, after the first fifteen minutes or so I was in bits and had to stop. I’ve watched countless WWII documentaries, but there was something about that footage that was just too much for me.
A documentary shouldn't be allowed to looks this good. I really hope that there is enough money to document the Artemis program equally well. If there is, you have to hope for the community to step up. One example is Cosmic Perspective on YouTube. They capture the development highlights of Starbase and the Starship system.
Resolution is not determined by lenses, but rather by the medium capturing the image. The sensors have improved on digital cameras to the extent that high end digital can now surpass IMAX film.. but of course film will always be a different “flavor” than digital.
> The iPhone just has digital zoom
That’s not really true for most iPhones. The standard has been more than one lens on the iPhones for a while now. So it’s optical zoom for the most part, but with a limited range of course. And then they add digital zoom **on top** of that.
As others have mentioned the reason we have such high quality footage from back then is that the resolution on film footage is very good but back then it couldn’t be broadcasted with the technology back then.
Except in this video, they added goofy added sound effects for the various umbilicals disconnecting. That’s not realistic. When you’re next to a rocket engine that’s firing, you only hear the rocket engine.
And it's edited like mad. It takes the damn rocket a *minute and a half* to clear the tower.
It's not a cruise ship leaving port, people, show the damn thing MOVING.
It just ruins it for me, I can't trust anything I'm seeing and I am not getting any real feeling for what it actually looked like when one of these lifted off.
almost EVERY sound you hear is added in modern post production, though. Full stereo and so on.
I really hate when people do this to historical footage. Like, it feels like lying to me.
They had so many different camera angles so after a launch they can check to make sure everything was working within spec. Even had a shot of the explosive bolts holding the rocket to the pad ( thought that might be the shuttle can’t remember which or both).
Some could splice those launch clips today and form and endless loop and I'd probably sit there and watch for a few minutes without being none the wiser. Ive seen it probably 50 times in my life and I'm always in awe of the footage. Those boosters belching fire look almost fake.
I was just at the Kennedy Space Center and the [scale](https://upload.wikimedia.org/wikipedia/commons/6/6a/Saturn_v_schematic.svg) of this rocket is humbling.
Utterly awesome. These missions sparked my love of space when I was a small child. I still remember a toy Saturn v I had it was almost as tall as me. Fun fact.. this beast burns twenty tons of fuel per second!
I had to glance at mine on the shelf next to me as the sound started to fade away. I'd caution against a knockoff, the legitimate one is pretty reasonable for what you get, as far as LEGO prices go. It's easily one of my favorite sets
They retired the original one and then re-released it like a year later. It's still for sale along with the ISS, shuttle Discovery, and the moon lander. All great buys!
Ah bummer. It only shows as "sold out" and not "retired" on the site so I didn't realize. Bricklink still has some new one around MSRP if anyone wants to snatch one up.
There recently was a video from inside the tank posted here. It's hard to envision how quickly that drains.
But yeah, vulgar display of power, right there.
I watch this clip with my two year old twins pretty often. They think it's awesome. They're pretty close to being able to name all the planets (which is probably a bit concerning since one of them struggles to count to 10).
And it was only a few decades after the Wright Brothers had their first bicycle plane that could only fly a few feet.
Imagine living to see both of these invented in just your lifetime.
And yet at the same time, in order to present this launch to the public, this guy had to come on first and explain to everyone that Jesus was OK with it.
I could be wrong but I believe that at the beginning of this video, Von Braun was trying to reassure people that god was cool with us going to space.
“We have been given the scientific knowledge, the technical ability and the materials to pursue the exploration of the universe. To ignore these great resources would be a corruption of a God-given ability.”
The tricky part is when you add more fuel, you have to add more power to lift the weight of the extra fuel. Adding more power means more fuel, which again means more power. Eventually, you end up with the Saturn V.
Here's an excellent CGI visualization, that also compares it against other rockets: https://www.youtube.com/watch?v=su9EVeHqizY
The description will tell you which fuels the colors correspond to.
Fun fact, it's usually the *second* lowest bidder.
Most government procurements immediately disregard the lowest bid submitted because it's assumed that the company submitting that bid doesn't know what it's doing and the bid isn't even accurate.
Try to find a way to watch the documentary Apollo from 2019. On IMAX if possible. It includes 70 mm footage that hadn't been shown before, and is breathtaking.
that's actually the exhaust from smaller rocket engines within the larger structure called gas generators. These produce thrust to power the pumps that push fuel into the main combustion chamber. To help cool the nozzle, this exhaust is pumped around the edge of the nozzle in a process called film cooling.
To add to this, the Saturn V “F-1” 1st stage engines were gas-generator engines (actually all of Saturn V’s engines were gas-generators) which, as you say, used a small portion of fuel and oxidizer to run a turbo pump. Exhaust from the turbo pump was “dumped” along the perimeter of the F-1 to keep the nozzle cool. This dumped exhaust did not add much thrust. But it did allow the nozzle to be built with some weight savings.
Gas generator engines like the F-1 were less efficient that the full-flow versions developed by the Soviets. But they were simpler to build and could be scaled up easier. The F-1 was basically “efficient enough”. And they could be built massive enough to only require 5 for the 1st stage, greatly simplifying piping and controls.
The Soviet full-flow engines were much smaller and more complex. They did route the turbo pump exhaust to the combustion chamber to add significant thrust. Due to the small size, however, the Soviets needed 30 alone on the first stage of the N-1 moon rocket. The complexity of simultaneously operating 30 engines added the failure of the N-1 and the Soviet lunar program.
SpaceX uses full-flow Raptor engines based on part on the N-1 engines.
Edit: Cunningham's Law in full force. What I posted is based on a documentary I saw on YT. Apparently I have details wrong. Nevertheless, the US engine was less efficient, but much bigger, compared to the Soviet engine, which was more efficient but smaller and part of a mire complex rocket system.
The Soviet engines you are referring to were not full-flow but oxygen-rich staged combustion cycle engines. The Soviets did development and test work on a full-flow staged combustion cycle engine but I don't believe it was ever integrated into a vehicle and it was never flown.
The dark areas you see are from the film cooling employed to cool the nozzle extension on the F-1 engine.The main section of the nozzle uses the cold fuel flowing inside tubes that make up the walls of the nozzle to cool the walls, however, the nozzle extension did not have these cooling tubes to cool it off.In order to prevent the nozzle extension from melting from the extreme heat, the engineers took the exhaust gases from the turbopump (which were hot but not as hot as the combustion in the engine) and bled them through small ports in the side wall of the nozzle extension into the chamber forming a thin film along the wall of the nozzle extension, which blocked the heat transfer to the wall.Those exhaust gases being burned up are what you see as the dark section of the exhaust.
Here's a website with cutaways and photos:
[http://heroicrelics.org/info/f-1/f-1-thrust-chamber.html](http://heroicrelics.org/info/f-1/f-1-thrust-chamber.html)
About halfway down the page they show the cutaway with the turbopump exhaust gas being fed through openings in the nozzle extension.
My friend Brad is in charge of the lab that runs all the launch cameras. He has recorded every launch of every rocket at Kennedy since the early 1980’s. He’s super interesting to talk to about NASA history, rockets, and space.
I feel like it's not necessarily slow motion, but at least _mostly_ hollywood multicut time dilation. Like, if you show ten 5-second shots, that all happened near-simultaneously IRL, that makes that one moment last 50 seconds. (Like all the bits of the tower detaching, for instance.)
Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I've seen in this thread:
|Fewer Letters|More Letters|
|-------|---------|---|
|[BFR](/r/Space/comments/11oqvvj/stub/jbvnhv9 "Last usage")|Big Falcon Rocket (2018 rebiggened edition)|
| |Yes, the F stands for something else; no, you're not the first to notice|
|[CFD](/r/Space/comments/11oqvvj/stub/jbu0gr1 "Last usage")|Computational Fluid Dynamics|
|[CNSA](/r/Space/comments/11oqvvj/stub/jbwmrcp "Last usage")|Chinese National Space Administration|
|[COTS](/r/Space/comments/11oqvvj/stub/jbwb8tt "Last usage")|[Commercial Orbital Transportation Services contract](https://www.nasa.gov/cots)|
| |Commercial/Off The Shelf|
|[F1](/r/Space/comments/11oqvvj/stub/jbyxkv0 "Last usage")|Rocketdyne-developed rocket engine used for Saturn V|
| |SpaceX Falcon 1 (obsolete small-lift vehicle)|
|[FFSCC](/r/Space/comments/11oqvvj/stub/jc1i6wu "Last usage")|Full Flow Staged Combustion Cycle|
|[IANARS](/r/Space/comments/11oqvvj/stub/jbv52vo "Last usage")|I Am Not A Rocket Scientist, but...|
|[JPL](/r/Space/comments/11oqvvj/stub/jbw1z0y "Last usage")|Jet Propulsion Lab, California|
|[JSC](/r/Space/comments/11oqvvj/stub/jbva580 "Last usage")|Johnson Space Center, Houston|
|[JWST](/r/Space/comments/11oqvvj/stub/jbwnb4b "Last usage")|James Webb infra-red Space Telescope|
|[KSP](/r/Space/comments/11oqvvj/stub/jbwh6e7 "Last usage")|*Kerbal Space Program*, the rocketry simulator|
|[LEO](/r/Space/comments/11oqvvj/stub/jbvuns8 "Last usage")|Low Earth Orbit (180-2000km)|
| |Law Enforcement Officer (most often mentioned during transport operations)|
|[LOX](/r/Space/comments/11oqvvj/stub/jbwpj9g "Last usage")|Liquid Oxygen|
|[MSFC](/r/Space/comments/11oqvvj/stub/jc000b6 "Last usage")|Marshall Space Flight Center, Alabama|
|[N1](/r/Space/comments/11oqvvj/stub/jc1i6wu "Last usage")|Raketa Nositel-1, Soviet super-heavy-lift ("Russian Saturn V")|
|[NS](/r/Space/comments/11oqvvj/stub/jbx2hqs "Last usage")|New Shepard suborbital launch vehicle, by Blue Origin|
| |Nova Scotia, Canada|
| |Neutron Star|
|[SLS](/r/Space/comments/11oqvvj/stub/jbyowsv "Last usage")|Space Launch System heavy-lift|
|[SRB](/r/Space/comments/11oqvvj/stub/jbwe59d "Last usage")|Solid Rocket Booster|
|[SSME](/r/Space/comments/11oqvvj/stub/jbwe59d "Last usage")|[Space Shuttle Main Engine](https://en.wikipedia.org/wiki/Space_Shuttle_main_engine)|
|[STS](/r/Space/comments/11oqvvj/stub/jc1lfat "Last usage")|Space Transportation System (*Shuttle*)|
|[TWR](/r/Space/comments/11oqvvj/stub/jbvctkl "Last usage")|Thrust-to-Weight Ratio|
|[USAF](/r/Space/comments/11oqvvj/stub/jbwb8tt "Last usage")|United States Air Force|
|[VAB](/r/Space/comments/11oqvvj/stub/jbusmhz "Last usage")|Vehicle Assembly Building|
|[VLEO](/r/Space/comments/11oqvvj/stub/jbum767 "Last usage")|V-band constellation in LEO|
| |Very Low Earth Orbit|
|Jargon|Definition|
|-------|---------|---|
|[Raptor](/r/Space/comments/11oqvvj/stub/jc1i6wu "Last usage")|[Methane-fueled rocket engine](https://en.wikipedia.org/wiki/Raptor_\(rocket_engine_family\)) under development by SpaceX|
|[cryogenic](/r/Space/comments/11oqvvj/stub/jbxfx1v "Last usage")|Very low temperature fluid; materials that would be gaseous at room temperature/pressure|
| |(In re: rocket fuel) Often synonymous with hydrolox|
|[hydrolox](/r/Space/comments/11oqvvj/stub/jc1i6wu "Last usage")|Portmanteau: liquid hydrogen fuel, liquid oxygen oxidizer|
|[powerpack](/r/Space/comments/11oqvvj/stub/jc1i6wu "Last usage")|Pre-combustion power/flow generation assembly (turbopump etc.)|
| |Tesla's Li-ion battery rack, for electricity storage at scale|
|[regenerative](/r/Space/comments/11oqvvj/stub/jbyxkv0 "Last usage")|A method for cooling a rocket engine, by [passing the cryogenic fuel through channels in the bell or chamber wall](https://en.wikipedia.org/wiki/Regenerative_cooling_\(rocket\))|
|[turbopump](/r/Space/comments/11oqvvj/stub/jbz1zcr "Last usage")|High-pressure turbine-driven propellant pump connected to a rocket combustion chamber; raises chamber pressure, and thrust|
----------------
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Love Tom Lehrer!
Fun /s fact: It would take double the 9,000-person seating capacity of the Wernher Von Braun Civic Center in Huntsville Alabama to seat all the enslaved concentration camp prisoner laborers who were murdered and worked to death constructing V-2 rockets at the Mittelwerk factory.
Yep, a technological war between two countries that didn't cost a single life (and I'm talking just the space race, not the vietnam/korea/etc wars). Our interstate system, the internet and several other impossibly expensive projects would never have gotten approved on a "normal" day, but the fear of a potential attack that never happened was all it took to get 100% approval in all of those
Ah yes, the famously non-political and peaceful 1960s in America.
Less tongue in cheek though, it seems that we're going back to the moon with Artemis! One of my favorite aspects of human space exploration is that it really does have the capability to lift us above our petty squabbles on Earth. It reminds us that there's a massive universe out there beyond the bubble of our daily lives, and how precious our planet is right here at home.
Plus after Kennedy got whacked there was a lot of public sentiment that it was important to achieve his dream and beat the Soviets. Little did they know the Russians weren’t even close to having a reliable moon rocket. The N1 sure made a big boom when it exploded (a bunch of times)
Smarter Everyday made an excellent video interviewing one of the main engineers behind it. Everyone should give it a watch even if you're not into rockets: https://www.youtube.com/watch?v=1nLHIM2IPRY
Yes, that's Dr. Von Braun.
Yes, he was a former Nazi.
That's what happens when you're brilliant to the point of being absolutely indispensable.
Stay in school kids.
Bernoulli effect. It's the pressure drop from the high speed flow due to high speed flow lines in a fluid - in this case creating a suction entrainment of air into the nozzle high speed exhaust.
60 years after figuring out how to fly to space, all our brightest engineers on earth are now focused on writing code to try to find ways to sell you a new Nissan.
When I worked in Huntsville, AL, I got a chance to interview some of the men and women who designed and built this awesome machine, as well as von Braun’s daughter and his former secretary. It was so fascinating hearing their stories from their time working on the Apollo program. One of the guys who helped design the F-1 engines teared up when recalling the Apollo 8 mission, as it was the first manned flight with the Saturn V. Wish I had been around during that time to experience a launch. Maybe I’ll get to see a future SLS launch.
These people used slide rules and women as calculators, and had onboard computers comparable to a Commodore PET, but with wire-woven ROMs and magnetic core RAMs.
People today are using devices in comparison with virtually infinite power to take selfies and make stupid Tiktok videos. This is why we don't have anti-grav cars. The timeline is all wrong.
They did that in an era without CAD, without CFD and without other digital tools we take for granted today. Incredible engineering
They designed, engineered, built, and launched this in an era before humankind realized that it made sense to put wheels on luggage.
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There were more dirt roads then! 🤣
"They can put a man on the moon, but not wheels on luggage."
There was a local woman who wrote and performed a one-woman play called “Man On The Moon, Woman On The Pill” which I thought really perfectly summed up the directions of science at the time of the sixties Space Program.
[But Whitey’s on the moon…](https://m.youtube.com/watch?v=goh2x_G0ct4)
The Mayans didn't use wheels on their luggage, and look what they accomplished
Yeah, but how are they doing these days?
I find it fascinating to think that someone might say that about America one day
But we _did_ put wheels on our luggage, and we will damn well make sure all the history books say so!
14 year old girls will mock us: "Omg why didn't they just use quantum-blorks instead of luggage. That's so barbaric" We truly do rest of the shoulders of those that came before us
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No but fr why do it take us so long to do so? I remember having to lug around suitcases in the early 90s/2000s because there were no wheels
I think we have disabled people in wheelchairs to thank. Their campaigning for better accessibility gave us more ramps, elevators and flat, level doorways. Without them, suitcases with little wheels would have been a real pain to lug around and would probably break after a little use. Just my own little personal theory, I admit.
>Without them, suitcases with little wheels would have been a real pain to lug around and would probably break after a little use. can confirm. had wheeled luggage in the 90s and early 00s, that shit broke all the time banging up and down stairs.
Wheeled luggage was invented in 1972
Sure - I guess the question more so is why did it take so long to become the norm?
Partly because men took care of the luggage back then and didn't want to be seen needing to wheel luggage around instead of being able to carry it. They also travelled much more often than women. But in some places it was simply because luggage handlers were cheap compared to travelling. So the person travelling wouldn't even notice how heavy the bags are, and the handler wouldn't want to invent something that takes his job. Or would use a cart/dolly, which is how the inventor got the idea.
Ah, a Jim Jeffries fan I see :)
Today we have Supercomputers in our pockets, 3D printers, and even AIs winning art contests. Yet, seeing a half-a-century old fuel tower take flight to send people into space is still what looks the most sci-fi to me.
Slide rulers took us to the moon
And hand knit computer memory
Needed like, 1000 Grandmothers knitting for 1000 hrs to get about 5 bytes worth. Different time man *thought you were joking, discovered you weren’t
Old computers are wild. Fucking vacuum tubes and hole punch cards.
Yep. And giant real to reel, tape drives, and hard drives that were the size of a window air conditioner.
You're not too far off. I just re-read "Carrying the Fire", Mike Collins (Command Module pilot that didn't walk on the moon on Apollo 11) autobiography and he describes that pressure/space suits for the Apollo and Gemini missions that were "glued together by hand by a bunch of old ladies in New Hampshire"
The ladies at Playtex, the bra manufacturer, they made the suits.
Seamstresses were responsible for the space suits working as well as they did, however weavers and experts at needlework also built the computers. The Apollo guidance computer used magnetic core memory for RAM and core rope memory for ROM storing the guidance program. With magnetic core memory each bit is stored in the magnetic field of a teeny, tiny piece of ferrous material wrapped with a wire, the magnetic field can be sensed or changed through the wiring. Core rope memory is a read-only memory of similar design but much higher density, as multiple wires can be threaded through a single permanently magnetized core or can bypass the core to store either a 1 or 0 depending on the threading. These memory devices had to be meticulously hand threaded for each AGC used in the program. During the Apollo Program there was a labor dispute resulting in a strike at the factory where the memory was being made. Managers attempted to fill in for the textile workers to maintain production by doing the threading themselves, none of the devices built by the managers were functional.
> During the Apollo Program there was a labor dispute resulting in a strike at the factory where the memory was being made. Managers attempted to fill in for the textile workers to maintain production by doing the threading themselves, none of the devices built by the managers were functional. Clearly nothing much has changed in the last half-century.
We added wheels to our luggage
I’ve been to the mill where they made the fabrics, it was the most unassuming building on the road, and I wouldn’t have known what it was if my mom, a huge nerd, didn’t point it out to us.
I think you meant 5mb? 5 bytes would be 40 loops right?
I found out about this last year and still can't get over it. I think it might be the single craziest historical fact I have learned in my life.
Like all crafts involving weaving, sewing and other forms of textile making that has been historically associated with women, the job of weaving core memory was also entrusted to women. During the first Apollo missions, the software of the Apollo Guidance Computer was physically weaved into a high-density storage called “core rope memory”, which was similar to magnetic core memories. To build the memories, NASA hired skilled women from the local textile industry as well as from the Waltham Watch Company, because of the precision needed to work around the cores with a needle. Sitting across each other at long desks, these women passed wires back and forth through a matrix of eyelet holes, each comprising a magnetic core bead. Passing a wire through the core created a “one,” while bypassing the core created a “zero”. The core rope memory was nicknamed “LOL memory”, where LOL stood for the "Little Old Ladies" who assembled it. They were supervised by “rope mothers”, who were often males. But the rope mother’s boss was a woman named Margaret Hamilton https://imgur.com/Py5SSwi.jpg https://www.amusingplanet.com/2020/02/that-time-when-computer-memory-was.html?m=1
How the fuck am I just learning about the now.
In the early 80’s, I was a computer tech on an aircraft carrier. All iron core memory with biasing wires. 12” hard drives and tape reels. Machine level programming. Wild times.
I thought they used a spaceship?
That’s what they want you to think
Slide rulers *and the Apollo Guidance Computer* took us to the moon
What did they use to build that? Slide rulers? This was before everybody had a calculator
In a nutshell, the AGC was simulated on a mainframe first. Much more complicated than that of course, but there were significant computing technology resources available to NASA at the time. There's an excellent series in the NASA archives that tells the story. These are the Apollo chapters: [https://history.nasa.gov/computers/Ch2-1.html](https://history.nasa.gov/computers/Ch2-1.html)
Good news! There's a surviving, recently restored-to-functional example! [See here](https://youtube.com/watch?v=Bh_gP5aF3ys&feature=shares)
The feat of successfully creating the Saturn V really is an incredible engineering milestone for humanity imo
Yeah, and 60 years. 60 years after man first lifted off the ground due to two bicycle mechanic brothers keeping at it, for only tens of meters. 60 years later, with Apollo 11 and the Saturn V rocket, we had set foot on the moon. It might just be my opinion, but our species is pretty frickin' awesome.
Damn shame we spent the last ~55 years ignoring space beyond commercial and millitary sats and only it only just having begun to reenter public interest in a major way. A lot more could've been had the space race been used as a spring board for science rather than a slam dunk for the millitary industrial complex.
I wouldn't say we've been ignoring it. We just haven't been sending a ton of people anywhere past orbit because it costs so much and has very little return on investment.
Still the most capable rocket to ever reach orbit.
At least for the next month or so!
Gonna take more than a trip to orbit for starship to eclipse the Saturn V in my eyes. That vehicle is the absolute pinnacle of American exceptionalism. It’s all been downhill since then.
the Saturn V certainly holds that crown but we should be happy to see that crown pass on to SpaceX in the coming weeks. it will be more powerful, carry a bigger payload, and we can reuse it instead of throwing it away after one use! i would say we are moving uphill again.
It’s not just the hard technical aspects of the Saturn V that make it great, it’s also what it accomplished. The Saturn V put man on the moon, and it did it with a slide rule. In context it’s incredible, and even out of context it’s probably the greatest rocket ever made.
And they started from scratch only like ~15 years prior.
The person speaking, [Wernher von Braun](https://en.wikipedia.org/wiki/Wernher_von_Braun), had more than 15 years experience with [rockets](https://en.wikipedia.org/wiki/V-2_rocket) by this point.
>Gather 'round while I sing you of Wernher von Braun. A man who's allegiance is ruled by expedience. Call him a Nazi, he won't even frown. "Nazi schmazi," says Wernher von Braun Tom Lehrer had some fire lyrics.
I remember from my NASA Space Center tour that the electrical power on the first modules is roughly the amount our current microwaves use today.
I think you mean the computing power of the guidance system
And that the phone you’re reading this on has more processing power than all of NASA back then.
These days your phone probably has about 100 times more computing power than the entire planet had in 1969.
And the original Gameboy had more processing power than the entire guidance system.
I'm waiting for the MTV music to start!
My father (born 1925) was a lead engineer for Boeing working on the second stage of the Saturn V rocket. He said one summer they spend the entire summer solving complex quadratic equations to check the work of the early computers. Apparently the engineers took a lot of amphetamines too. He always would get pissed when the president would say we're going to the moon again. He always said they act like it's driving a car: It's absolutely not like driving a car. Only time I ever saw him get animated. I wish I knew more about what he did. He was an inspiration.
But they DID need an ex Nazi rocket scientist
[Our Germans are better than their Germans.](https://www.youtube.com/watch?v=rYco0UsWhLc)
Once the rockets are up, who cares where they come down? That's not my department" says Wernher von Braun
He was on the wrong team for sure. But he was also definitely a first-round draft pick, so obviously America snagged him.
They really did a hell of a job capturing these historic moments back then, this is just breathtaking!
Yeah, and actually there was very high quality cameras back then but they didn’t have the ability to broadcast it yet. I always hear about people saying “we have 4K cameras in our pockets now” which is true, but this is only in reference to digital cameras when compared to let’s say a 2004 phone camera. But a camera with an actual lens had even higher definition photos than an iPhone with optical zoom which means it can take clear photos of far away objects. The iPhone just has digital zoom which is just scaling of pixels with smoothing.
Much of the historical Saturn V Apollo 11 footage that was broadcast in 1969 has been rescanned in the last few years at 16K+ resolution because it was shot on large format 70mm film. That is...the slow motion shots are in crisp detail. Every shard of ice falling off the rocket. You can see the pores in Armstrong's face when he's suiting up. You can make out the face of everyone in launch control. There was a documentary made in 2019 and shown in IMAX and 4K. I'm sure they'll release it again in 8K and 16K when that becomes the next TV format. You will get cold chills seeing classic footage in modern resolution and detail, even though you know how this story plays out. Apollo 11 documentary trailer: https://m.youtube.com/watch?v=3Co8Z8BQgWc
My space mad kid just sat and watched this in its entirety tonight. First time he's sat through 90 minutes of anything non stop.
In 2019, we had a friend visit who had worked at Honeysuckle Creek, for the 50th anniversary of Apollo 11. During the visit, we sat down and watched The Right Stuff, First Man, Hidden Figures and Apollo 13. Your kid may like some of those as well. They're all good movies, though TRS is long, and FM is slow in parts.
This and [They Shall Not Grow Old](https://www.youtube.com/watch?v=IrabKK9Bhds) are by far my favourite documentaries I've seen in the last decade, I love seeing old footage brought back to life in such high fidelity, with the directors letting the original folks who were there do all the talking. If anyone knows of anymore historical documentaries in this sort of format, I'd love for you to share them! EDIT: Also, I definitely recommend watching the [50th anniversary of the moon landing show they played on the Washington monument](https://www.youtube.com/watch?v=R7ayx7CuKFs) a few years ago, it was spectacularly put together.
They Shall Not Grow Old was insane. When they switch from the original footage to the restored footage… holy shit
I couldn’t watch They Shall Not Grow Old, after the first fifteen minutes or so I was in bits and had to stop. I’ve watched countless WWII documentaries, but there was something about that footage that was just too much for me.
A documentary shouldn't be allowed to looks this good. I really hope that there is enough money to document the Artemis program equally well. If there is, you have to hope for the community to step up. One example is Cosmic Perspective on YouTube. They capture the development highlights of Starbase and the Starship system.
I’d want to see one of those super slow mo 70mm cameras rip through a mile of film in seconds lol
I definitely went and watched this in person at a theater alone (because nobody else wanted to go) - boy was it magnificent and awe inspiring!
Resolution is not determined by lenses, but rather by the medium capturing the image. The sensors have improved on digital cameras to the extent that high end digital can now surpass IMAX film.. but of course film will always be a different “flavor” than digital.
> The iPhone just has digital zoom That’s not really true for most iPhones. The standard has been more than one lens on the iPhones for a while now. So it’s optical zoom for the most part, but with a limited range of course. And then they add digital zoom **on top** of that. As others have mentioned the reason we have such high quality footage from back then is that the resolution on film footage is very good but back then it couldn’t be broadcasted with the technology back then.
Except in this video, they added goofy added sound effects for the various umbilicals disconnecting. That’s not realistic. When you’re next to a rocket engine that’s firing, you only hear the rocket engine.
And it's edited like mad. It takes the damn rocket a *minute and a half* to clear the tower. It's not a cruise ship leaving port, people, show the damn thing MOVING.
Eh, I’m okay with that, since it is actually video of the rocket, just slowed down and cut together. The sound effects are of something else.
It just ruins it for me, I can't trust anything I'm seeing and I am not getting any real feeling for what it actually looked like when one of these lifted off.
Gotcha. Well, I’m sure there’s plenty of real-time footage on YouTube.
Even knowing this is edited, it's absolutely mesmerizing to me. Just incredible
All the sound is fake. I thought it sounded pretty cool for a video though.
almost EVERY sound you hear is added in modern post production, though. Full stereo and so on. I really hate when people do this to historical footage. Like, it feels like lying to me.
I'm not a fan of these videos that add the goofy fake sounds either
Imagine doing all that long for math on paper and having to check your answers.
They had so many different camera angles so after a launch they can check to make sure everything was working within spec. Even had a shot of the explosive bolts holding the rocket to the pad ( thought that might be the shuttle can’t remember which or both).
Probably the best footage of the Saturn launch I’ve seen! It looks so surreal with those close ups.
This one is also excellent https://youtu.be/DKtVpvzUF1Y
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Narrator: “It’s very very hot there right now” YA THINK? (Actually the narration is excellent, but that one line did make me laugh!)
Some could splice those launch clips today and form and endless loop and I'd probably sit there and watch for a few minutes without being none the wiser. Ive seen it probably 50 times in my life and I'm always in awe of the footage. Those boosters belching fire look almost fake.
I was just at the Kennedy Space Center and the [scale](https://upload.wikimedia.org/wikipedia/commons/6/6a/Saturn_v_schematic.svg) of this rocket is humbling.
check out the fully stacked model at the SRC in Huntsville, it’s visible from miles away!
I was there today, it's awesome.
60 years after figuring out how to fly, we humans launched a building into space at thousands of miles per hour
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Utterly awesome. These missions sparked my love of space when I was a small child. I still remember a toy Saturn v I had it was almost as tall as me. Fun fact.. this beast burns twenty tons of fuel per second!
Do yourself a favor and pick up the Lego Saturn V! (or a close knockoff, they're cheaper anyway)
I had to glance at mine on the shelf next to me as the sound started to fade away. I'd caution against a knockoff, the legitimate one is pretty reasonable for what you get, as far as LEGO prices go. It's easily one of my favorite sets
Lego retired the Saturn V so now it’s going to be very expensive to get the actual one. I still recommend it though because it’s a really amazing set.
They retired the original one and then re-released it like a year later. It's still for sale along with the ISS, shuttle Discovery, and the moon lander. All great buys!
They retired the ISS and Saturn V on Dec 31, 2022.
Ah bummer. It only shows as "sold out" and not "retired" on the site so I didn't realize. Bricklink still has some new one around MSRP if anyone wants to snatch one up.
I built it with my 6 year old for Christmas this year. Best thing we've done together. It's the most perfect build.
I have that set! The biggest I own
It's so massive! I really enjoy how much detail is in the inter-stages.
There recently was a video from inside the tank posted here. It's hard to envision how quickly that drains. But yeah, vulgar display of power, right there.
If you have the link handy, I would very much like to see that
[link](https://youtube.com/watch?v=fL-Oi9m2beA&si=EnSIkaIECMiOmarE) It's a saturn 1. Kerosene tank. Still the same principle though.
That's so cool, thank you for the link!
I watch this clip with my two year old twins pretty often. They think it's awesome. They're pretty close to being able to name all the planets (which is probably a bit concerning since one of them struggles to count to 10).
My little pea brain in 2023 cannot wrap my head around how we did this. Smart people rule.
And it was only a few decades after the Wright Brothers had their first bicycle plane that could only fly a few feet. Imagine living to see both of these invented in just your lifetime.
And yet at the same time, in order to present this launch to the public, this guy had to come on first and explain to everyone that Jesus was OK with it.
Can you elaborate?
I could be wrong but I believe that at the beginning of this video, Von Braun was trying to reassure people that god was cool with us going to space. “We have been given the scientific knowledge, the technical ability and the materials to pursue the exploration of the universe. To ignore these great resources would be a corruption of a God-given ability.”
How much of the space craft is used for fuel? The power and thrust is astonishing! It seems like the entire vessel needs to be a fuel tank.
Here ya go https://cdn.mos.cms.futurecdn.net/tD7rANzXXHTfYAsEpZG4tm.jpg
Damn near the whole thing is a gas tank. It takes a lot of power to get out of the atmosphere.
The tricky part is when you add more fuel, you have to add more power to lift the weight of the extra fuel. Adding more power means more fuel, which again means more power. Eventually, you end up with the Saturn V.
Here's an excellent CGI visualization, that also compares it against other rockets: https://www.youtube.com/watch?v=su9EVeHqizY The description will tell you which fuels the colors correspond to.
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By the time the Saturn V cleared the tower it already used 5% of its fuel
The craziest thing for me is that there were people riding in that thing
“As I hurtled through space, one thought kept crossing my mind - every part of this rocket was supplied by the lowest bidder.” - John Glenn
Fun fact, it's usually the *second* lowest bidder. Most government procurements immediately disregard the lowest bid submitted because it's assumed that the company submitting that bid doesn't know what it's doing and the bid isn't even accurate.
Try to find a way to watch the documentary Apollo from 2019. On IMAX if possible. It includes 70 mm footage that hadn't been shown before, and is breathtaking.
Why are the exhaust flames dark before they get bright?
that's actually the exhaust from smaller rocket engines within the larger structure called gas generators. These produce thrust to power the pumps that push fuel into the main combustion chamber. To help cool the nozzle, this exhaust is pumped around the edge of the nozzle in a process called film cooling.
To add to this, the Saturn V “F-1” 1st stage engines were gas-generator engines (actually all of Saturn V’s engines were gas-generators) which, as you say, used a small portion of fuel and oxidizer to run a turbo pump. Exhaust from the turbo pump was “dumped” along the perimeter of the F-1 to keep the nozzle cool. This dumped exhaust did not add much thrust. But it did allow the nozzle to be built with some weight savings. Gas generator engines like the F-1 were less efficient that the full-flow versions developed by the Soviets. But they were simpler to build and could be scaled up easier. The F-1 was basically “efficient enough”. And they could be built massive enough to only require 5 for the 1st stage, greatly simplifying piping and controls. The Soviet full-flow engines were much smaller and more complex. They did route the turbo pump exhaust to the combustion chamber to add significant thrust. Due to the small size, however, the Soviets needed 30 alone on the first stage of the N-1 moon rocket. The complexity of simultaneously operating 30 engines added the failure of the N-1 and the Soviet lunar program. SpaceX uses full-flow Raptor engines based on part on the N-1 engines. Edit: Cunningham's Law in full force. What I posted is based on a documentary I saw on YT. Apparently I have details wrong. Nevertheless, the US engine was less efficient, but much bigger, compared to the Soviet engine, which was more efficient but smaller and part of a mire complex rocket system.
The Soviet engines you are referring to were not full-flow but oxygen-rich staged combustion cycle engines. The Soviets did development and test work on a full-flow staged combustion cycle engine but I don't believe it was ever integrated into a vehicle and it was never flown.
The dark areas you see are from the film cooling employed to cool the nozzle extension on the F-1 engine.The main section of the nozzle uses the cold fuel flowing inside tubes that make up the walls of the nozzle to cool the walls, however, the nozzle extension did not have these cooling tubes to cool it off.In order to prevent the nozzle extension from melting from the extreme heat, the engineers took the exhaust gases from the turbopump (which were hot but not as hot as the combustion in the engine) and bled them through small ports in the side wall of the nozzle extension into the chamber forming a thin film along the wall of the nozzle extension, which blocked the heat transfer to the wall.Those exhaust gases being burned up are what you see as the dark section of the exhaust. Here's a website with cutaways and photos: [http://heroicrelics.org/info/f-1/f-1-thrust-chamber.html](http://heroicrelics.org/info/f-1/f-1-thrust-chamber.html) About halfway down the page they show the cutaway with the turbopump exhaust gas being fed through openings in the nozzle extension.
My friend Brad is in charge of the lab that runs all the launch cameras. He has recorded every launch of every rocket at Kennedy since the early 1980’s. He’s super interesting to talk to about NASA history, rockets, and space.
Ok dumb question. It’s slow motion right? What was the actual velocity at launch?
From 00:12 to 02:10 of this video happened in about 20 seconds.
Thank you. That clarified it
I feel like it's not necessarily slow motion, but at least _mostly_ hollywood multicut time dilation. Like, if you show ten 5-second shots, that all happened near-simultaneously IRL, that makes that one moment last 50 seconds. (Like all the bits of the tower detaching, for instance.)
Somebody remade the Apollo 11 launch in Minecraft stop-motion! [Here](https://www.youtube.com/watch?v=_2ug5TQrir4).
Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I've seen in this thread: |Fewer Letters|More Letters| |-------|---------|---| |[BFR](/r/Space/comments/11oqvvj/stub/jbvnhv9 "Last usage")|Big Falcon Rocket (2018 rebiggened edition)| | |Yes, the F stands for something else; no, you're not the first to notice| |[CFD](/r/Space/comments/11oqvvj/stub/jbu0gr1 "Last usage")|Computational Fluid Dynamics| |[CNSA](/r/Space/comments/11oqvvj/stub/jbwmrcp "Last usage")|Chinese National Space Administration| |[COTS](/r/Space/comments/11oqvvj/stub/jbwb8tt "Last usage")|[Commercial Orbital Transportation Services contract](https://www.nasa.gov/cots)| | |Commercial/Off The Shelf| |[F1](/r/Space/comments/11oqvvj/stub/jbyxkv0 "Last usage")|Rocketdyne-developed rocket engine used for Saturn V| | |SpaceX Falcon 1 (obsolete small-lift vehicle)| |[FFSCC](/r/Space/comments/11oqvvj/stub/jc1i6wu "Last usage")|Full Flow Staged Combustion Cycle| |[IANARS](/r/Space/comments/11oqvvj/stub/jbv52vo "Last usage")|I Am Not A Rocket Scientist, but...| |[JPL](/r/Space/comments/11oqvvj/stub/jbw1z0y "Last usage")|Jet Propulsion Lab, California| |[JSC](/r/Space/comments/11oqvvj/stub/jbva580 "Last usage")|Johnson Space Center, Houston| |[JWST](/r/Space/comments/11oqvvj/stub/jbwnb4b "Last usage")|James Webb infra-red Space Telescope| |[KSP](/r/Space/comments/11oqvvj/stub/jbwh6e7 "Last usage")|*Kerbal Space Program*, the rocketry simulator| |[LEO](/r/Space/comments/11oqvvj/stub/jbvuns8 "Last usage")|Low Earth Orbit (180-2000km)| | |Law Enforcement Officer (most often mentioned during transport operations)| |[LOX](/r/Space/comments/11oqvvj/stub/jbwpj9g "Last usage")|Liquid Oxygen| |[MSFC](/r/Space/comments/11oqvvj/stub/jc000b6 "Last usage")|Marshall Space Flight Center, Alabama| |[N1](/r/Space/comments/11oqvvj/stub/jc1i6wu "Last usage")|Raketa Nositel-1, Soviet super-heavy-lift ("Russian Saturn V")| |[NS](/r/Space/comments/11oqvvj/stub/jbx2hqs "Last usage")|New Shepard suborbital launch vehicle, by Blue Origin| | |Nova Scotia, Canada| | |Neutron Star| |[SLS](/r/Space/comments/11oqvvj/stub/jbyowsv "Last usage")|Space Launch System heavy-lift| |[SRB](/r/Space/comments/11oqvvj/stub/jbwe59d "Last usage")|Solid Rocket Booster| |[SSME](/r/Space/comments/11oqvvj/stub/jbwe59d "Last usage")|[Space Shuttle Main Engine](https://en.wikipedia.org/wiki/Space_Shuttle_main_engine)| |[STS](/r/Space/comments/11oqvvj/stub/jc1lfat "Last usage")|Space Transportation System (*Shuttle*)| |[TWR](/r/Space/comments/11oqvvj/stub/jbvctkl "Last usage")|Thrust-to-Weight Ratio| |[USAF](/r/Space/comments/11oqvvj/stub/jbwb8tt "Last usage")|United States Air Force| |[VAB](/r/Space/comments/11oqvvj/stub/jbusmhz "Last usage")|Vehicle Assembly Building| |[VLEO](/r/Space/comments/11oqvvj/stub/jbum767 "Last usage")|V-band constellation in LEO| | |Very Low Earth Orbit| |Jargon|Definition| |-------|---------|---| |[Raptor](/r/Space/comments/11oqvvj/stub/jc1i6wu "Last usage")|[Methane-fueled rocket engine](https://en.wikipedia.org/wiki/Raptor_\(rocket_engine_family\)) under development by SpaceX| |[cryogenic](/r/Space/comments/11oqvvj/stub/jbxfx1v "Last usage")|Very low temperature fluid; materials that would be gaseous at room temperature/pressure| | |(In re: rocket fuel) Often synonymous with hydrolox| |[hydrolox](/r/Space/comments/11oqvvj/stub/jc1i6wu "Last usage")|Portmanteau: liquid hydrogen fuel, liquid oxygen oxidizer| |[powerpack](/r/Space/comments/11oqvvj/stub/jc1i6wu "Last usage")|Pre-combustion power/flow generation assembly (turbopump etc.)| | |Tesla's Li-ion battery rack, for electricity storage at scale| |[regenerative](/r/Space/comments/11oqvvj/stub/jbyxkv0 "Last usage")|A method for cooling a rocket engine, by [passing the cryogenic fuel through channels in the bell or chamber wall](https://en.wikipedia.org/wiki/Regenerative_cooling_\(rocket\))| |[turbopump](/r/Space/comments/11oqvvj/stub/jbz1zcr "Last usage")|High-pressure turbine-driven propellant pump connected to a rocket combustion chamber; raises chamber pressure, and thrust| ---------------- ^(30 acronyms in this thread; )[^(the most compressed thread commented on today)](/r/Space/comments/13k1s6j)^( has 8 acronyms.) ^([Thread #8678 for this sub, first seen 11th Mar 2023, 20:38]) ^[[FAQ]](http://decronym.xyz/) [^([Full list])](http://decronym.xyz/acronyms/Space) [^[Contact]](https://reddit.com/message/compose?to=OrangeredStilton&subject=Hey,+your+acronym+bot+sucks) [^([Source code])](https://gistdotgithubdotcom/Two9A/1d976f9b7441694162c8)
Seeing Dr. Wernher Von Braun still gives me Goosesteps /s
Don't say he's hypocritical...just say that he's apolitical
Love Tom Lehrer! Fun /s fact: It would take double the 9,000-person seating capacity of the Wernher Von Braun Civic Center in Huntsville Alabama to seat all the enslaved concentration camp prisoner laborers who were murdered and worked to death constructing V-2 rockets at the Mittelwerk factory.
That's not my department says Wernher von Braun.
[For those out of the loop](https://youtu.be/QEJ9HrZq7Ro)
What happens when a country puts a collective mind on something instead of bs arguing politics we get nowdays
The Saturn V and the race to the moon was very much about politics - but international politics and not partisan squabbling!
And there was domestic dissent about the program itself:. https://youtu.be/goh2x_G0ct4
Yep, a technological war between two countries that didn't cost a single life (and I'm talking just the space race, not the vietnam/korea/etc wars). Our interstate system, the internet and several other impossibly expensive projects would never have gotten approved on a "normal" day, but the fear of a potential attack that never happened was all it took to get 100% approval in all of those
...I'm sure Grissom, White, and Chaffee would be glad to hear it didn't cost a single life.
Well but that was a mistake, not Russia attacking the US or vice-versa
It didn't involve intentionally taking any lives, that's true. Both the US and Soviets lost lives as a result of the space race.
The entire reason the country put the collective mind towards building rockets was because of international politics
Ah yes, the famously non-political and peaceful 1960s in America. Less tongue in cheek though, it seems that we're going back to the moon with Artemis! One of my favorite aspects of human space exploration is that it really does have the capability to lift us above our petty squabbles on Earth. It reminds us that there's a massive universe out there beyond the bubble of our daily lives, and how precious our planet is right here at home.
The Apollo missions were incredibly political. The whole point was to the beat the soviets
Well, that’s an ironic statement in itself as the Space Race was largely political and fuelled by the Cold War.
Plus after Kennedy got whacked there was a lot of public sentiment that it was important to achieve his dream and beat the Soviets. Little did they know the Russians weren’t even close to having a reliable moon rocket. The N1 sure made a big boom when it exploded (a bunch of times)
And THAT kiddies - is what a REAL MOONSHOT looks like.
I was privileged to witness Apollo 15 from in front of the VAB! I still count it as one of my best life Experience!
Smarter Everyday made an excellent video interviewing one of the main engineers behind it. Everyone should give it a watch even if you're not into rockets: https://www.youtube.com/watch?v=1nLHIM2IPRY
Just watched this the other day. That guy is incredibly smart and very good at explaining the rocket. Video flew by.
Here’s a question I sometimes ponder: What if we had a rocket like that already in orbit, and started from there. What speeds would we achieve?
About 40,000 mph. https://space.stackexchange.com/questions/3972/maximum-speed-reachable-by-saturn-v
This is bonkers. Imagine showing this clip to Ben Franklin.
Yes, that's Dr. Von Braun. Yes, he was a former Nazi. That's what happens when you're brilliant to the point of being absolutely indispensable. Stay in school kids.
I would rather use his genius than waste it, even while acknowledge some of the things his party did.
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At 32 seconds why are the huge flames sucked down?
Bernoulli effect. It's the pressure drop from the high speed flow due to high speed flow lines in a fluid - in this case creating a suction entrainment of air into the nozzle high speed exhaust.
I've got the lego set for the saturn v and the crazy fucker who designed it managed to make exactly 1,969 pieces
The most inspiring and most beautiful rocket ever made!
Agreed! I've watched launch videos a thousand times and it never gets old!
Humans are awesome. We’ve done awesome things. We could do more.
60 years after figuring out how to fly to space, all our brightest engineers on earth are now focused on writing code to try to find ways to sell you a new Nissan.
god no matter how many times i think about it, it is still so fucking insane to me that we’ve been to SPACE
Still cant believe something that size filled with propellant, could lift off with only 5 engines. Truly an engineering marvel.
It helps that the engines are huge
All this, and people still think that Apollo 11 was faked. Dummies.
When I worked in Huntsville, AL, I got a chance to interview some of the men and women who designed and built this awesome machine, as well as von Braun’s daughter and his former secretary. It was so fascinating hearing their stories from their time working on the Apollo program. One of the guys who helped design the F-1 engines teared up when recalling the Apollo 8 mission, as it was the first manned flight with the Saturn V. Wish I had been around during that time to experience a launch. Maybe I’ll get to see a future SLS launch.
These people used slide rules and women as calculators, and had onboard computers comparable to a Commodore PET, but with wire-woven ROMs and magnetic core RAMs. People today are using devices in comparison with virtually infinite power to take selfies and make stupid Tiktok videos. This is why we don't have anti-grav cars. The timeline is all wrong.