Saturn 5 Moon Rocket's Main Engine, the F-1 | NASA Apollo Program Space Travel HD
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- čas přidán 10. 06. 2012
- Visit my website at www.junglejoel.com - the Saturn V moon rocket's 1st stage had five of these huge F-1 engines. The complex tubing you see extending from the upper nozzle to the lower nozzle skirt, carried exhaust gases from the turbo-pump to the lower skirt -creating a boundary layer effect. This relatively cool gas layer protected the skirt from the main engine hot exhaust gases.
The main engine and upper nozzle were liquid cooled using the RP-1 (kerosene) fuel as coolant. It ran through all the complex tubing visible in the engine and nozzle. The F-1 is still the most powerful engine ever built. This one is located in Alamogordo, New Mexico; at the Science and Space Museum. Please rate and comment, thanks! - Věda a technologie
It should be a crime that such a fantastic piece of engineering - historic engineering - should be left out in the elements to deteriorate so much.
You right
Also, this is in New Mexico, where all the aircraft storage "boneyards" are for a reason. The dry climate there is better than a damp warehouse up North.
That thing is millions of dollars too all rotten in the garbage
Even exposed in the elements of Nature for ALMOST HALF of CENTURY ...the F1 engine looks very good, almost like new!
Don't worry guys, it's been made by super exotic alloy-steel elements and ultra durable titanium materials that can even withstand the worst enemy...which is TIME !
It’s definitely not the Apollo 11That one is in Florida in a space museum.The moon landings lasted til 1972. 69-72
The nozzle extension was still cooled, but it used the exhaust gas from the turbo pumps as a gas film cooling.
It took 55,000 horsepower what they called a gas generator to run just the fuel pump on one engine. 55,000 hp just to run the fuel pump WOW WOW. This is a perfect example of what my father would say that, this vehicle (saturn5) was built by man but is not of this earth. There was nothing to compare it to it was so out of this world. 55,000 hp just to run one fuel pump. That is 275,000 hp to run the fuel pumps on all 5 f-1 engines WOW WOW
The Nova Rocket was designed with 8 F1 engines but was never built.
The gas generator-turbopump assembly works in a similar way to an aircraft turbofan or turboprop engine: The main differences being how the hot gases are generated and what the resulting power is used for.
In an aircraft engine, the gas generator consists of a compressor (drawing in atmospheric air at a compression ratio of around 40:1), which is then used to burn fuel. The hot gases then spin a turbine to power the compressor, with the rest of the shaft power being used to spin the fan or propeller.
A rocket already has pure oxygen (or another suitable oxidizer) on board, so the gas generator doesn't need a multi-stage compressor to harvest atmospheric air. However, the hot gases still spin a turbine, which powers the fuel and oxidizer pumps: These can be thought of as compressors, albeit with a single stage because they are pumping liquids rather than gases. The gas generator-turbopump assembly on the F-1 engine generates as much power as a Trent 1000 turbofan engine, but is less than half the size and weight.
getting to moon is not a joke kid.
@@lloydevans2900 A useful analogy for a gas turbine is a windmill on a farm driving a well pump causing it to pump water up out of the ground. I've used this analogy many times and people get it right away.
As incredible it may seen, the F-1 engine planning and design began in 1957, before NASA existed!
Wernher Von Braun's engine! If the same founding of 4% of GDP was still flowing to NASA and Von Braun was around we would have walked on Mars by late 80's and and maybe who knows what else!
Founding, Will, and Visionary master brains is the secrets for great things !
Thanks for posting this! When you looked into the nozzle, I was confused at how the mixing of LOX & Kerosene takes place. I found a very good site that explains in fine detail. The injector at the back of the nozzle has a LOT of very careful design. Those concentric/radial copper bafflings partition the injector into 13 areas (8+4+1). Each area is populated with dozens of two-pair holes (1-fuel, 1-LOX). the hole pairs are designed (angle&diameter) to supply the exact fuel/LOX ratio upon stream impingement for a precise delivery of 5lb/sq-in/sec of mix. The fuel/LOX hole-pairs are supplied by radial manifolds within the injector. LOX manifolds sits on top of the fuel manifolds.
The baffling was installed to prevent a 2khz rotational instability of the flame after catastrophic failure on initial tests. You can also almost see 25 igniter holes when he zooms on the injector (shiny silver). Two per 12 compartment areas and one in the center area. These are fed a triethylbutane(85%) & triethylaluminum(15%) fluid. It is a hypergolic catalyst that spontaneously ignites in the presence of oxygen. This provides ignition for kerosene/LOX. Each one of these F1's produce 1.5 Million lbs thrust.
They actually exploded small bombs of various sizes within the thrust chamber to induce combustion instability during testing, which was the bugbear of the program and led to the loss of several engines!
+Zoe TheCat
Amuzing fact: the Russions still need to light their rocket engines by means of match. aka the pyrotechnic ignition device PZU
Thanks for pointing out the igniter holes on the injector. Located them in other pictures and I'm guessing they are the ones that look like the heads of a flat single groove screw. Another interesting tidbit I've learned about this unique engine.
+tvarad Yes, they do look like flat-head screws. Did you hear they recently picked a few of these up from the ocean floor? They found engine no. 2044 (# 5 engine from AP11). It will be put on display in Seattle.
Yes, I did. Jeff Bezos organized the expedition which found them to recover the Apollo program artifacts off the Florida coast.
I hope school children today get a chance to go and see things like this engine and to realize what was involved to make this happen. Absolutely amazing. (thanks for uploading this)
Thank you for your informative tour. What a monster of an Engine! The astronauts were amazed at the sheer thrust/power of this rocket powerplant.
What an incredible piece of engineering. Such an amazing looking machine that created such massive forces. Should be preserved in a museum for all time!
great video, the workmanship is pure art, and the size of the fuel pump is mental, they reckon the fuel pump needed 56.000hp to run at full whack!!!!!! 56.000hp - i will forever be in awe of this beast
I love the little details, thanks for sharing!
So huge and amazing up close.....Cheers
Someone once described the Apollo program...and rightly so.....as a 'technological orgasm'.
The level of excellence and diligence in the work has never been surpassed.....a stunning, stupefying achievement.
Pookleberry I totally agree!
Enjoyed this video greatly, thanks for posting it. The actual combustion chamber of this magnificent engine, although it's huge, looks a lot smaller than I had imagined it would be. I've learned something here, thanks for the lesson.
Would love to see more of that! Thanks for sharing
I know exactly where that engine is..Alamogordo New Mexico. I think its a disgrace that they have it outside exposed to the elements. I should be enshrined in a temple...lol
Meh....the one at Aerojet's Canoga Park facility is out in the open as well in the visitor parking lot...of course, it's upright and assembled.
This vid does not really give an idea of the size of the engine. I stood next to the Aerojet one for about half an hour, just dumbstruck at the size and evident power.
I saw that engine also while my family was on vacation many years ago. You can't really understand the magnitude of the space program back then until you stand by one of these engines and see what was involved and how they did it. just amazing. We must preserve these machines that helped humans leave the earth and explore the universe.
I love the F-1 and everything related to the Saturn V. Big fan!! I've stood in front of a few F-1 engines and just stared, imagining what it would be like to be part of the engineering team working on the space program back then.
Unfortunately your explanation in the video isn't accurate. At 1:10 you say that the extended nozzle doesn't have coolant tubes because the exhaust is cool enough by that point that you didn't need expensive tubing to cool the nozzle. The exhaust was still plenty hot, but the large duct that wraps around the outside of the nozzle at that point brings exhaust gas from the fuel pump and injects it in between the nozzle and the very hot gasses. This is why the first 20-30 feet of discharge from the engines looks darker in videos, the dark part is the cooler fuel pump exhaust, and that's what protects the bolted on skirt.
mushtang2 textbook explanation
Yeah... staring and imagine being roasted during an epic lift ooofff! We had a liftooff!!
Got to see one of those engines for the first time a couple of weeks ago. What an amazing beast the F1 is, and to think it has never been equalled.
Fantastic video thanks for posting. So much better to be up close and see the details than a regular museum.
That is an important piece of history for your country. Keep it safe ..
I hope in the 9 years since this video was posted, someone's wised-up and put this priceless artefact indoors.
I saw the Saturn 5 on display at Cape Canaveral years ago. Seeing five of these engines hanging off the blunt end of the Saturn 5 was just awe inspiring.
Amazing video.
Thanks for sharing.
Awesome closeup of an F1. Loved seeing the radiator-like nozzle structure, the turbopumps, and the exhaust manifold (which vented a comparatively-cool layer of air over the nozzle extension - "skirt" - thus protecting it from the hotter exhaust gases. Thanks for the video.
I've stood next to that engine (I was lucky enough to live an hour north of the space center) and you are amazed on how huge those engines really are.
I used to hear these tested almost every night for years back in the 60's, lit the sky and shook the house.
Thats true.....the engine was tested in Huntsville Al......i spoke with a women who lived miles away from the testing facility.....it shook the ground so bad that some of the houses had cracks and vibrated the Tennessee river....
I had the pleasure of visiting the Saturn V exhibit at the Kennedy space centre and holy fucking mother of God it's a sight. I still cannot find words that can explain just how amazing it is just to look at it. So many of my friends were weirded out when they saw me just continuously staring at it.
And the engineering is something else. It's unfathomable I tell ya. I can't wrap my head around how they made something of that magnitude in the fucking 60s.
Been there. a REALLY great museum!
I remember the first time i saw the saturn V up close at KSC during the falcon heavy launch. I just stood there looking at the engines like wtf... i was absolutely mind blown at the size and complexity. Hats off to those engineers.
The turbopump exhaust injection ports are easily visible at 1:03 along with the curved duct supplying the turbopump exhaust. The turbopump exhaust film protected the nozzle extension because the temperature of the turbopump exhaust was about 1600F while the main exhaust was about 5950 F. In films of the launch, this turbopump exhaust is the black, sooty exhaust material blocking view of the main engine plume for 8-10 feet aft of the nozzle extension
The brilliant men and women who, thought of, engineered, and built these were creating art, a thousand times greater than Picasso. What a beautiful beast. Thank you.
That expensive tubing at the nozzle extension is actually the exhaust path for the gas generator. It created a blanket of cooler gas to protect the nozzle extension.
I nearly always (well, at least the SCUD missile engine has definitely something that looks like that on it, even if much simpler) saw this piping vertically extending from the upper part of a liquid fueled rocket engine (standing vertically on the "bell") to the bell's mouth. I thought it was a directional thruster or something like that. Now i understand it's an exhaust coming from the turbo compressor (yes, it has the same look, shape and working principle of a car's turbocharger, but instead of moving air it moves liquid fuel around...) and used as a cooling device, to move some cooler fluid around the engine that takes part of the excess heat away from the hottest areas. Thank you!
That loud sound just before the 30 second mark was the sound of all the mechanical engineers watching this reaching climax!!! Talk about amazing innovative technology. And to think this thing must have been designed in the late fifties and early sixties for them to have solved all the problems by a launch date in the late sixties. With a pencil and paper, a good slide rule and a whole hell of a lot of good old fashioned hard work. The way they routed the fuel around the combustion chamber to cool it still amazes me and is impressively genius. I heard that the operating temperature of an F-1 is something like 50-60°C. The exhaust gasses are thousands of degrees, hot enough to melt any material they could come up with and the fuel is a few degrees above absolute zero, so cold that just storing and handling it was an achievement in itself. Then getting all of these things to not just coexist but to symbiotically make each other stronger is just beautiful. Robert Oppenheimer called the design for the H-bomb(a complete misnomer but that's another story) "technically sweet". That is what this engine design is, it is technically sweet! P
Nice bit of kit.
This is truly a historical work of art by engineers who aimed for the moon and gave us the stars!
You are correct sir (and fine video). Along the way to the nozzle manifold, heat from the turbopump (gas generator) exhaust also drives the heat exchanger (seen @ 0:17), where (inert) stored Helium is heated and routed back up to keep the RP-1 tank pressurized. A portion of the LOX flow is also heated there and routed back up to keep the LOX tank pressurized...
... no wonder it took 7+ seconds to get these beasts running at steady state (max power)!!
My dad inspected the servos for all the F-1's, sad to see them out there in the elements. He put his crimp on every one.
Wow. He was one of the 400,000. What a legacy man.
Why is this engine standing in the open? It should be protected, its your heritage.
I agree it was part of one of the momentous events in human history. It should be valued for future generations like the pyramids and the Eiffel Tower.
I'm sure there's more than one.
Max Konig there’s a couple at the Smithsonian in Washington.
Most major science / aerospace museums have one.
@Over Opinionated Bogan
You mean engineering isn't valued, since discoveries are pretty much glorified as soon as they hit public but something like the train or car that gets you to work are taken for granted just like buildings and bridges (even worse, they are cover with conspiracies because people don't know and don't care about the reason why machines work)
Startling that the monstrously explosive dangerous thing worked just like people said it would on paper. delightful. sometimes people can impress the sh. out of me.
Rocketdyne, we salute you!
+V7 Videos
My dad was sent to Rocketdyne many times in his work. We lived about 40 miles East of Santa Susana and could hear rocket engine tests. Pop would come home and tell us kids to listen this afternoon and sure enough you could hear the distant rumble. Edwards AFB was North of us and we heard a lot of sonic booms, too. Every time we heard one we would say ''There goes Chuck Yeager'' even though he was long gone and they were testing the X-15's.
One of these days I need to stop by the Aerojet facility in Canoga Park....they have an F1 (vertically mounted) outside. Used to be at the Boeing plant in the same area, but got moves when the company moved down the road.
...very cool clip
This F1 like many others, sits out in a parking lot eroding. Meanwhile, some $12,000,000 piece of modern art consisting of twisted coat hangers and melted plastic bottles is housed in a bullet proof encasement in a museum under guard.
Funny how someone can walk by a 33,000,000 HP engine without a glance. Then stroll into the museum and cry with tears and hushed voices in awe of a wad of coat hangers dipped in house paint. Which was made in 7 minutes by some schizophrenic dude wearing a necklace made from the dehydrated kidneys of dead relatives.
+maxtormaxtor hahaha. It IS sad.
+maxtormaxtor no piece of art will ever be remembered more than Apollo 11 so this engine will never be forgotten. There are engines in museums.
Bill Kerman
Yes indeed. There's one at The Space & Rocket Center, here, in Huntsville, Alabama. Actually there's one of the two or three remaining Saturn 5s that weren't used because Apollo was cancelled. They had them built & ready to go, but they never got to launch. I'm glad now, because you can stand beside one & look at how incredible it was. And see the engineering that went into it using slide rules. The Saturn they have here, is laying down on its side so you can see how all the stages fit together. They have a full size model out front thats beautiful, but the real ones more interesting. My dad was partly responsible for those F1, 1st stage engines. He worked at Marshall Spaceflight Center here with Von Braun. I've heard the engines tested when I was a kid & it was a thrill indeed! These assholes that talk of the moon landings being a hoax have called my dad a NASSHOLE! He died of a heart attack before we made it to the moon, at 39, from working 100 hour weeks & these bastards have the balls to talk bad about these guys that did an amazing thing, in that kind of way! If only I could reach through the screen....
+STEVE SIMMS You should pity them. People that don't believe in these sorts of things are uneducated. I was having an argument with a guy that was claiming NASA fires all the rockets into the sea because he thinks rockets don't work in space. I never got a reply when I asked how the space shuttle landed a couple of days after launch. I'm Irish so I never had a chance to witness a launch live. I would love to see an F-1 for real because I'm sure no matter how big I expect it to be, It will be bigger when I'm next to it if you know what I mean.
*****
Yea, they Knew there was a life & death risk & many thought their odds were about 50/50. But they did it anyway, because they wanted it that bad. And though 13 was close , they didnt lose Anyone in space. Only on the ground. And That was simply due to the rush they were in & not a single engineer thinking of the Very simple fact that there was NO NEED for 100% oxygen to pressurize the ship for a plugs out ground test. Sad, but when you're rushed, a lot of times the most simple of things is what you will overlook.
great video ... almost spooky in a way that a raging giant like that lies so quiet now ...
Kevin Olesik A perfect description of the whole country
The nozzle extension was cooled by a film of turbopump exhaust injected from the curved duct at the end of the nozzle proper
Fantastic! A few days ago I red biography about Wernher fon Braun.....
That awesome thing was designed without the use of computer aided drafting. Some amazing things were done before computers came into common use.
Fascinating.
BTW, kerosene is a 19th century lamp oil. It's amusing to realize it (and not something fantastically exotic) was the fuel of choice.
@ 0:37 i got a sense of fear run down my spine as the camera looked straight into the mouth of the beast, to think this was once the scene of 1.5 million pounds of thrust......
Where's the converging section of the nozzle? Didn't they have that back then?
In the opening few seconds of the video, you can see the fuel feed pipe to the left and the LOX feed pipe (the larger one at center right) connecting the turbo-pump at the top to the engine below. You can also see smaller bleed pipes bolted onto them. Does anyone know if they are the ones that feed the gas turbine that drives the turbo-pump?
The gas turbine is driven by the output from the gas generator. The gas generator is actually a small rocket engine that is fed liquid oxygen and kerosene. When the gas generator is fired it spins up and drives the turbine, which then drives the two pumps. A few years ago NASA test fired a legacy F-1 gas generator. A link to a video of the test is below. You can see that the exhaust is smoky fuel rich gas when it come out of the gas generator and it doesn't reignite until it mixed with the outside air in the atmosphere. Enjoy! czcams.com/video/70u748VALt4/video.html
Magnificent marvel!
Great you did live narrating in the wind rather than add voice over.
I agree with most of the comments here, this work of art needs to be moved inside behind glass. Hopefully the museum that owns this has done this by now.
Thanks for making and posting this vid! Great details I've not seen before, even in NASA archives.
Trivia: between t-8.9 (Ignition Sequence Starts) and t=0 (hold-down clamps release)--before the Saturn V moved its first inch--87,000(!) pounds of LOX + RP-1 are burned and shot (rather dramatically) down the flame trench! =:O
Apologies to the generations who had to grow up without this particular dose of American AWESOME!
If I'm not mistaken the skirt is also cooled, just differently because it needs less of it. Instead of the complex tubing system they just spray fresh kerosene around the inside of it to form a liquid shield of sorts between its surface and the exhaust gas while also carrying away some of the heat that reaches the skirt anyway by radiation.
The amount of fuel used for this is only a tiny proportion of the fuel used for propulsion but is what is mainly responsible for the heavy black smoke that surrounds the flame for a few feet on exiting the nozzle. The heat in the nozzle is enough to decompose it into a black soot but since there is no excess oxygen it does not burn until after it exits the nozzle and reacts with oxygen in the atmosphere.
You are close to being correct. The skirt is not cooled by spraying liquid kerosene on it. What cools it is the fuel rich smoky exhaust coming from the turbopump. The turbopump exhaust is ducted by its exhaust manifold into the lower part of the nozzle. This forms a thin film of relatively cool gas that isolates the combustion from the metal of the exhaust skirt. You can see a lot of that detail in this video. You are correct about the smoke that you can see several feet outside the skirt except that it is composed of the turbopump's exhaust gas before it mixes with the outside air and reignites.
Saw them 3 days ago they are enormous.
Very cool video. Thanks for sharing. Where is this exhibit?
"WE'RE NOT WORTHY!... " Before there were computers anywhere near powerful enough to perform Finite Element Analysis (FEA) or Computational Fluid Dynamics (CFD), our Dads and Grandads got down to this *EPIC* task with simpler tools (slide rules) and solid fundamentals. (Plus they had the freedom--and the budget--to "blow shyt up!"... those cavemen found ALL the physical limits, limits that haven't moved for half a century.)
They also rounded up many skilled tradesmen who knew how to weld, machine castings, and form sheet metal, into this highest art of all: form-follows-function....
"All engines running... we have COMMIT!... we have __________!"
Way cool!
Nice
I apologize for the stupid question on where it was. I missed that for some reason. I walked around that engine back around 1998 and I recall the tires being flat on the mounting stand. I thought though that this was at the Astronaut hall of fame. I'm probably mistaken on that as well. Great video!
This was filmed outside the Science and Space Museum in Alamogordo. Thanks for watching!
+CoconutScienceLab which state was this in looks like Arizona or California
It was recorded in Alamogordo New Mexico. At the Astronaut Hall of Fame museum.
is that rocketdyne in simi valley?
Thanks
Bloke comes walking up "Err, don't suppose you have an Injector Plate for a '65 Saturn F1..??? Been told the problem is either that or the LOX ring. Hope it's not the heat exchanger. They cost a fortune....Oh well, I'll sort it, it's not rocket science."
😉
where was this ?
Just for some perspective on how big this thing is:
The injector plate seen at 0:54 is about 3 feet (1m) across. Holy cow.
How was that 1.5 million lbs transferred to the structure of the rocket?
1960s technology could win over 21st century technology! The power of the 60s-80s!
Ian;......You're awesome.........That makes sense.....I learned something. And that never happens on Yahoo news.
Just imagine how much more power it could produce if it had a modified camshaft installed! :)
The mighty F1 rocket engine. Werhner Von Braun's engine!
The only engine that could get humans beyond earth's gravity into the vastness of space... LEGEND!
Elon musk's raptor will change that
@@enrionpc6041 I am here! I am waiting to see that... in fact we are hearing about that since late 90's.
Don't forget that we first set foot on the moon in 1969!
nice
So: where was this?
if the engine genetates 750 tons of thrust, what par of the engine is taking that pressure load.i mean is the pressue affecting the entire nozzle?always wondered about this as the pump assembly area looks so comparatively weeak to transfer such . a massive thrust without just crumbling. . And the nozzle . looks quite delicae also. bottom mounting plate taking 3750 tons of thrust. is a huge load.
I don't think the nozzle wall pressure is very high at all. It's all longitudinal. They did go to great trouble to keep the nozzle from melting though. He explains this in the video. All the tubing around the nozzle supplies unspent fuel as a coolant.
Zoe TheCat
exakt!
Combustion chamber pressures were above 1000psi... I think the bell probably had less pressure due to the expansion. Hoops are brazed into the assembly, take a look at it in the video. There's a gimbal bearing at the center of load... that cross-lookin' thing... yep, it takes the full 1.5Mlb load *while gimballing*... only the center engine was fixed in place. There's several great books on the Apollo program, the F1 engine book (Springer Praxis) is on my shelf, among many.
Near Alamogordo, New Mexico is the Trinity Site that is open two times a year. And East of Alamogordo is Roswell, NM with Prof. Godard's workshop at the Arts Center and Planetarium a FREE city museum. And at T and C, NM you can catch the tour buss for about $40.00 USD and visit the Spaceport America... Also at Alamogordo is buried the first space traveler by the Flagpole at the New Mexico Space History Museum. Thank you for the video ! tjl
Thanks for watching!
oswald did not kill kennedy. it was the aliens.they had him whacked because he wanted explore space and find their stash of og kush and pain pills.
liquid oxygen was circulated through the tubing that formed the nozzle and pumped directly in the exhaust chamber forming a insulating layer that kept the hot gasses from the interior walls.
Fuel , not o2 was the coolant
Jim White, no, the F1 engines were reasonably stable. All the Saturn V's used the five F1 Lox-Kerosene engines in the first stage (called the "S1C"), five J2 Lox-Hydrogen engines on the 2nd stage (called the "S2"), and a single J2 Lox-Hydrogen engine on the 3rd stage (the "S-IVB"). The only other rocket used for any Apollo flights was the older Saturn 1B, which flew the low-Earth orbital missions of Apollo 5 (unmanned test of the lunar module) Apollo 7, the Skylab 2, 3, and 4 astronaut ferry missions, and the Apollo-Soyuz Test Project.
I appreciate your input David. It is, however, a restating of NASA's published specifications. I also find hard to understand how the primitive controls for the F1 gimbals could ever compensate for all of the sloshing around of all of the liquids in all the stages fuel tanks. They were not even baffled. Couple that with the very slow start and lack of airfoil vectoring , makes a stable trajectory after pitch and roll maneuver, a real miracle .
Mike Barth writes " I also find hard to understand how the primitive controls for the F1 gimbals could ever compensate for all of the sloshing around of all of the liquids in all the stages fuel tanks. They were not even baffled."
Simply not true.
Take a look for instance, at this SI-C drawing:
heroicrelics.org/info/s-ic/s-ic-major-components.html
Note items 4&5: both slosh and anti-vortex baffles.
As for the "miraculous" success of Saturn, maybe you shouldn't opine about the fine points points of rocket design unless you've done it.
Mike Barth well they batted 1000% with it dude!!!!
I have seen the actuators for the F-1, about 7 feet long I believe, unreal...
So much subtle engineering... @0:13-0:15 notice all the articulated flexion-expansion joints in the tubes running into and out of the heat exchanger. I'm sure the pressures (PSI) they handle are impressive, but the extremes of VIBRATION and RAPID TEMPERATURE CHANGE are where I'm guessing the real pioneering occurred. Mr. Bill! =:O
I am sad this just sits outside somewhere.
I feel the same way....... someone should set it up on rails at salt flats and make the worlds fastest most expensive ride out of it..... I guess fatal too...
not f you get a second engine on the front to decelerate :D o yeah and a rail which is perfectly straight
It is in the desert and they typically mothball stuff out there.
I agree it's a bummer it hasn't been set up somewhere indoors, but being located there it's in the better outdoor environment to be hoped for.
I'm guessing they're in such good shape because of all the exotic metal alloys they've used despite being out in the open for so many years.
Agree, wouldn’t cost much just to build a open air pavilion with a roof around it....
The people that designed these magnificent machines were amogst the unsung heroes of the 20th century. The did not go to universities with "safe spaces" or "trigger warnings" - just to real universities and research facilities. If only the Americans can dream again...
PAVANZYL It’s unfortunate that so many people fall for this crap. You’d be hard pressed to find a “safe space” or “trigger warning” (do you even know what that means?) in a STEM major. It’s just some BS that Fox News spouts to keep you angry.
I heard they pump the rocket fuel through the nozzle before its burned to keep the nozzle metal from melting, is that true?
Yes, that's what all the fancy tubing inside the engine and upper-nozzle is for.
so cool, the fuel that's is going to be burned is mm's away from the flame that's shooting out the nozzle! See science is fun! I cant wait for Dragon V-2 's first test flight and Dreamchaser of course!
They also used the exhaust from the turbo pumps (which is what would flow through the channels in the wall of the nozzle) and because the turbo exhaust is relatively cool compared to the actual nozzle exhaust, it would help cool the nozzle.
Povl Besser It wouldnt really cool the nozzle but rather separate the flame from the nozzle by squeezing in between. You can see all the black smoke around the flame which is the exhaustgas from the fuelpump.
rethla
Is that the closed cycle engine that the Russians developed in the 60's that's still being used today? That's a hell of some damn good engineering, They definitely know their shit but damn their capsules are tiny and yes i understand the keeping it light thing.
just.. *WoW*
My mistake . It was the J2 engines in the second stage without the baffles . An even worse position on the stack for uncontrolled motions .
Was this recorded in Alamogordo?
Yes.
I thought so. It's a really great museum. On a side note, Alamogordo was the home to the most filthy, and disgusting movie theaters that I have ever been in. Every seat was stained and floor was sticky, just like walking on Jupiter. :-) I was glad that we had a rental car. Thank you Hertz... Now go get a detailing....
Thema inproblem LOL....I just wet myself
Donald Brown What?
I'd love to see this on an episode of How It's Made. Too bad there's no video of it :(
I'm very interested to find how they did all the chamber wall tubing work if anyone knows of a source with that information.
Loads of footage.
Thanks good
Why this fantastic piece does remain outside instead of being in a museum ?...
where was this filmed?
Science and Space Museum, Alamogordo, New Mexico.
Can't the museum afford a tent from Costco to cover their engine?
Abso-fucking-lutely. It needs to be enshrined....
Slurp factor babe! Does it still works, technically?
The F-1 always had the most thrust because of its massive size. But for engine efficiency the (Thrust to weight ratio), Russia had always outgunned the US. It was not until 2013 when California based SpaceX corp created the Merlin 1D with an efficiency of 150+:1. From 1974-2013 it was the Russian NK-33 with 130:1, before that is was the RD107. At the time the F-1 thrust to weight ratio was slightly under the RD107.
The F-1 is an amazing piece of technology and I have been fortunate to see nine of them.
Your claim that the F-1 is the most powerful engine (liquid propellant?) ever built is not quite correct. The Soviet-era RD-170, that flew in the core stage of the Energia rocket, developed 770 tons of thrust at sea level, and 840 tons in vacuum, as opposed to the 690 tons from the F-1.
The RD-270 had four chambers and nozzles, supplied from a single propellant turbopump. The multi-chamber design, which the Russians still use, was a way around the problems of combustion instability that are encountered in larger engines - the F-1 was beset by combustion instabilities during its development.
The Soviets did have a large engine, the RD-270, which weighed about three tons less than the F-1 and delivered almost the same thrust, but the designers couldn’t cure the combustion stability problems and the RD-270 was cancelled.
The F1 remains the most powerful *single combustion chamber* liquid fueled engine ever flown, so in that sense, the statement would be somewhat accurate. Since the RD-170 used multiple smaller chambers fed by a single turbopump, it would be a bit like comparing an 8 cylinder gasoline engine to a 2-cylinder one. The RD-170 would mimic the performance of four separate engines of a physical size notably smaller than the F1, but which together generated as much or more thrust. Of course, if you want raw lifting power, the Space Shuttle solid rocket boosters each provided about 1.7 times more thrust than the F1 did. Indeed, the newer 5-segment boosters being currently tested for the SLS vehicle have produced over 3.3 million lbs (14.7 MN) of thrust, and the plan is for each of them to eventually produced 3.6 million lbs (16 MN) at launch.
There are F1's and J2s that sit out in front of MSFC (Marshall Space Flight Center) in Huntsville. It's not hurting them to sit out.
Wasn't guys in Huntsville improve the F1 engine into F1B and tendered for the SLS project？ They lost. NASA gave it to Boeing. Boeing is doing like a sucker. Delay after delay after delay .. Yet they are using leftover Space Shuttle first stage engines and solid fuel boosters. What a shame.
Why is there any sloshing at all when the fuels are being injected at the rate of 3 tons per second per engine
Look at a candle flame or a campfire and notice how unstable the flames are. That's what happens inside the engine. It's called combustion instability. This instability, which can never be completely eliminated, creates localized regions inside the engine of higher and lower pressure. These different regions being at different pressures modulate the incoming propellant flow rate in that particular region, which in turn further affects the pressure variations in that area. This effect causes positive regenerative feedback to occur that causes the instability to continuously build up. Once that happens the pressure waves start to bounce around inside the large thrust chamber until they grow strong enough to blow a hole in the side of the chamber. Those baffles you can see on the injector plate split the large plate area into 13 smaller areas. They are actually called acoustical fences. They block the pressure waves from flowing back and forth completely across the entire injector plate. This eliminated the ability of the instability to build up to the point where it finally destroys the engine.
i can almost hear it scream fire!
What's really amazing is that they did all the calculations using a slide rule. No calculators, no computers. The raw power and the sound of those engines was amazing. It would break windows 5 miles away and kill a man 22000 feet away. It moved the earth. So sad to see the state of our space program today.
+Sycotic Deninard 22,000 = 6.5km away. Yeah, I doubt that.
You're right. I was lucky enough to watch the Apollo 17 liftoff from the KSC press site -- right alongside the VIP stands and less than five km away from the LC 39A launch pad. You could feel the heat on your face on that chilly night, and of course the sound was terrific. Nobody died. (Though NASA did have a cool lawn sign at the water's edge saying, "You Are in the Expendable Zone."
Most of the engineers were still using slide rules. It's how they learned and it worked well.
I was at Huntsville for a full duration burn...The residents of Huntsville were not even upset at the broken windows, for it was part of the MOON MISSION!
*Relative* to the 4,000+degF of the main exhaust plume, the kerosene is quite cool. The LOX would expand too much from the heat, and explode that tubing! Mr. Bill! =:O
In that 363 ft. high "stack" of PURE AWESOME-NESS, the RP-1 was the only fluid that didn't require special cryogenic handling. (Also, LOX + RP-1 produces all that stunning ORANGE FIRE, vs. LOX + LH2 which makes that lame transparent civilized blue flame. ;^)
you were at the alamagordo space museum about an hour from my house