The Engines That Came In From The Cold - And how The NK-33/RD-180 Came To The USA

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and the launch team was ready to go this is Atlas Mission Control live from Cape Canaveral with making final preparations for liftoff Allyson's propulsion go hydraulic go dramatics go to golf they collected on a germination systems go melody relations go intercessors propulsion the spillin are both in the submissions re at Cape Canaveral some long-cherished assumptions about us space technology could very soon be rewritten for the first time ever an American rocket is scheduled to blast into space powered by a Russian rocket engine no like a drone oh these your let's monitor go play termination says to go let me go alright go now plane systems instrumentation we thought maybe we misunderstood each other the performance of the engines were probably 10 to 15 percent higher than what we had in the United States go Roger go water go complex electric no alibi the vehicle load valve it wasn't the same technology we're used to it was it was a paradigm shift in what what we were expected to ready alleged you ready for liquor ready like a drum ready ala system supposin ready hydraulics ready élitaire an ecological printing this is Atlas Mission Control as you - five four three behind the doors of this warehouse in a distant part of Russia lie what for 20 years was a closely guarded secret a cache of rocket engines designed for the most ambitious space project ever to be undertaken by the Soviet Union today regarded as some of the finest in the world the engines use a unique technology developed by Russia at the height of the space race the technologies so ambitious that Western rocket scientists thought it impossible to master the Russians were very secretive at that time and although they said they were doing something they did not tell us what they were doing and in fact it took a great deal of intelligence gathering to really understand what their direction was the really important things were having good clear pictures of what they were building in the 1960s the spy satellites of the CIA were keeping regular watch on the Soviets vast Space Launch Complex the Baikonur cosmodrome in Kazakhstan in march/april 63 we saw at least some initial what would be called stakes in the grounds for surveyors and stuff like that in the area that was undeveloped on the Baikonur cosmodrome the size of the assembly building the causeway had all the earmarks for a very large launch vehicle indeed it was like hello what's going on here the satellite images clearly showed the construction of a new causeway leading up to two huge launch pads side-by-side to the CIA analysts back in Washington the launch pads were the first hard evidence the preparations were underway for the Assembly of a huge new rocket the sheer size of the complex could mean one thing only the United States was now in a race to the moon the beginning of the 60s the Russians were far ahead of us they had better rocket engines so with that rocket power they were able to do lots of things that we were simply unable to do it was a wonderful period for them first ICBM in August of 57 Sputnik 1 in October of 1957 and then first man in space first woman in space first three men in space first extra vehicular activity first spacecraft to hit the moon kept them under Russia's achievements in space were down to a unique approach to rocket design pioneered by one central figure the anonymous chief designer sergei pavlovich korolyov head of okb-1 experimental design bureau number one and russia's most senior rocket scientist he was very much the dominant figure in the Russian space program there's simply no counterpart for example in the u.s. program he had responsibility not only for the beginning years the split Knicks the man program communication satellites spy satellites planetary spacecraft there's no American who had that kind of responsibility you'd have to equate his work with 15 aerospace companies in about four or five NASA centers very very much the dominant figure his identity estate secret as chief designer at corral eov was the most powerful figure in the elite core of the Soviet space design bureau reporting directly to the Kremlin Korolyov was the key figure behind russia's unique approach to rocket design a pragmatic hardware based philosophy in which important design questions were only resolved after full test flights in a lot of respects they were well ahead of the game but the reason they were well ahead of the game is because they had actually put all the hardware together and had applied that technology far better than we had the conquest of space a political priority Russia's breakthroughs had come through a hands-on approach in which Rockets have been built an idea and improved and if there were explosions on the way that was something to be learned from from his headquarters at okb-1 in the suburbs of moscow corral eov started work on a man's lunar mission with that same experimental hardware-based design philosophy but the sheer challenge of getting a man on the moon was a problem on an altogether different scale from anything they had previously undertaken with the United States already enjoying a head start from their declared goal of landing a man on the moon by the end of the 1960s the odds against Russia winning were beginning to stack up you'd say no no I know cuz man after Oscar Ali of Deputies a silly machine had started working on rockets at okb-1 after world war ii from the earth gravity and the moon's distance they soon worked out a lunar mission would need a huge new rocket iced-over natalka that's teach in order and not just to get to the moon but to land on the moon and to bring back an expedition consisting of at least one person for that you need to put a hundred tons into the Earth's orbit and that means you need to have a rocket which has a starting weight in the region of two thousand tons to build a rocket of the size needed and within the Kremlin's deadline of beating the Americans was a challenge beyond any the chief designer had previously undertaken Kiraly off quickly realized they would need new vastly more powerful engines for the huge new rocket Lucca rally off did not see eye to eye with his usual manufacturer on the kind of engines the new rocket would need he had no choice but to find an alternative supplier Korolyov was forced to go to an aircraft designer named kuznetsov in samara this is a fellow Pitts who had designed very good aircraft engines but that was all the experience he had that was a big risk for Carla Kuznetsov had built up a formidable reputation as a jet engineer having designed the engines for the first Soviet long-range strategic bomber but he had never worked with rocket engines what we's and Sonia wala or pertussis Kuznetsov did not have any experience in building liquid propellant engines but when he looked at their configuration he saw that liquid propellant engines rocket engines did not pose any more problems than aircraft engines and realized that this challenge could be solved Valentin and easy Maud had worked under Kuznetsov on jet engine design but when the chance came in 1962 to apply his skills to rocket engineering he seized it from the kuznetsov design bureau in samara on the banks of the Volga River 1000 kilometers from Moscow the team began working out what kind of engines the colossal new moon rocket would need the basic design of rocket engines is simple oxygen and fuel are pumped separately at very high pressures into the beating heart of the engine the combustion chamber where they are ignited propelling the rocket forwards the higher the combustion chamber pressure the higher the performance of the engine those very high pressures are built up by pumps driven by a gas turbine fired from the pre burner a mini combustion chamber that draws off part of the oxygen and fuel supply faced with a deadline of beating the United States it became obvious to Corral eov there wouldn't be the time to develop the kind of gargantuan engines needed for the new rocket christened the n1 with Russia lacking the kind of industrial infrastructure of the Americans there would only be time to make small but highly efficient engines for the n1 rocket a total of 34 the Rockets first stage in order to lift off you have to have more thrust than than the gravitational force holding you down and in our case we decided to go with five engines to do that provide that thrust and in the case of the Russians they use thirty engines so they use engines that were about 1/6 the thrust level of our Saturn five engines and you know it's a matter of engineering choice which way you went but the choice to have 30 engines was one that was forced on Corelli off by Russia's lack of resources with so many engines the chances of anyone failing would massively increase to overcome those huge odds and achieve the efficiency and performance Corral you're demanded the engine designers would have to crack a problem that had always been shied away from as too difficult and too dangerous at that time all American and Russian rocket engines worked using an open cycle in which the exhaust products from the pre burner that drives the pumps are dumped over the side a simple but wasteful design but for the high-performance engines karayev demanded that inefficiency was unacceptable russia's engine designers would have no choice but to take an untried and highly risky step they would have to close the cycle and find a way of safely channeling the exhaust products from the pre burner back into the combustion chamber to be refire a potentially explosive process but one that can boost the lifting power of the rocket by 25% closed cycle engines require much better understanding of the combustion process and much better control of all of the stages in that combustion process as a consequence you can blow off a lot of engines trying to build on the works and I think that the Russians did pull off quite a lot of engines mastering the new closed-cycle technology with their experimental test based approach would take time time the Russians lacked in their race to beat America to the moon not everything went badly the bureau's experience with jet engines gave it a lateral and innovative approach to rocket engine development because netsoft team realized there was strong similarities between the turbo pump assemblies in jet engines and rocket motors you come away with something in the construction of both airplane engines and rocket engines there is a battle to keep the weight down our design the booster pumps that inside the main pumps this dramatically reduces the external piping improves reliability and decreases weight the compactness of the engine was both original and highly elegant well this design was really a radical design for the early 1960s whenever you're designing engines you want to make it as simple as you can with the minimal amount of parts so the Russians have typically chosen the single shaft type design for the turbo machinery which really simplifies and adds to its efficiency and performance by 1966 with the key technical challenges behind closing the cycle resolved the highly efficient engine the chief designer had asked for was within sight but the project was then struck a devastating blow during routine surgery in January 1966 corral eov died the one figure with the authority and vision to galvanize the system behind the goal of beating the Americans had gone as the n1 rocket finally started to make its way out to the pad at the cosmodrome the odds stacking up against Russia in the race to the moon looked formidable by 1967 the first n1 moon rocket had been assembled at the cosmodrome standing 35 stories high and weighing the same as 400 double-decker buses Russia's answer to america's saturn v presented an awesome sight I have to say the prize who every launch during those years we felt a certain trepidation we were still affected by the large number of accidents that we had witnessed with our own eyes pretty much since 1947 Vasily mission had been appointed to take over as chief designer in the wake of korolyov's death in charge of the 24 hour shifts working to prepare the rocket for launch Russia lacked the huge facilities needed to ground test all 30 n1 engines as a whole the first launch would take place with the rocket and its system of closed-cycle engines still untried there would be no alternative but to finalize the design in the same way that all other Russian rockets had been perfected through a series of full test flights why is that Oh Ganesha because of our limited resources and capacity we had to do the bulk of the development of the rocket stages during test space flights in that seat we planned 12 unmanned launches and we only planned manned flights for the 13th and 14th launches feel like hearing the pilot the first unmanned test of the rocket took place in February 1969 no cocky though right get that third of our voices well when the rocket left the launch pad in those first few moments there was a sort of uplifting feeling yes it's taken off yes it hasn't blown up on the spot this was already a great victory it was that well with your daughter a girlfriend a beard but them and then what happened next has gone down in history Coggeshall please head you were believed a stroke what right there was a fire in the rocket followed by an explosion and it has to be said that at the time we felt this was bound to happen we hadn't finished working on it a minute into the flight the rocket exploded 40 kilometers from the launch site metallic debris had caught inside an engine no sir blossom hecho so of course I felt bad do you think you would feel good if your engine blew up with a thrust of four-and-a-half thousand tons bishop don't you feel very bad controlling a rocket with 30 engines was proving very difficult but with another 11 unmanned launches still to go before the first manned flight the engines control system was improved ahead of the next launch in July 1969 this is the launch now you see justify its titles now it's going to fall seconds after takeoff the rocket fell back onto the pad exploding with the force of a small nuclear bomb issue when you wish we hadn't left the dugout ten kilometres away when it crashed that's what saved us if we had come ad we would not have survived the rocket had been launched before the ambitious closed-cycle engines had been perfected while the debris was still being scraped up from the floor of the Kazakh desert the race to the moon had come to an end just two weeks after the n1 disaster the Americans were celebrating victory in the wake of the successful Apollo 11 mission but the Russians didn't give up they're true to their practice of evolving the design through actual launches the engine and rocket was steadily being improved to prevent the intake of debris filters were fitted to the engines and the launch pad was rebuilt ready for the next tests in 1971 and 72 degrees well this is the third launch what that I've only seen this on film I didn't actually see it in real life only the traces I'm not worried there's the fire doesn't you you dr. de sleazy yet or what Butler and their problems didn't end there the fourth rocket also blew up you the moon race may have been lost but by the early 1970s the proven Russian system of refining through test flights was delivering real improvements in the rocket a new engine designated the NK 33 was being finalized in which the gremlins identified from the launch failures had been ironed out with new filters and protection against vibration the high-performing closed-cycle engines the designers had dreamed of were finally ready to fly well experience shows that kuznetsov engines could be made reliable but for that we needed those very four years by which we lag behind the united states but at the very point the NK thirty-three engines would be able to prove their worth the program was cancelled the politburo spacious with the n1 that finally run out in 1974 the political imperative behind the moon race had now gone as a result the entire n1 program was cancelled on the orders of the Kremlin and mission was sacked as chief designer below famously what if I was unhappy these things happen of course but there were a lot of reasons I can't say that I was fine things were bad but I survived I'm still here a baikonur today the desert is slowly reclaiming the colossal works of the N one project after the cancellation of the program the Soviet leadership ordered the complete destruction of all the remaining n1 rockets and their engines the entire history of the program was suppressed and the remaining m1 stripped down at the cosmodrome parts of the rocket were even converted into pigsty nor stretch ostrich Olivia Kotori what does a man feel when he was responsible for the creation of a project for nurturing it when this system was created and it worked and suddenly at the height of your involvement in the creative process you're told to cut it short to put a stop to it there was a disappointment that is difficult to convey now requested the bulla was it your idea the story of the N Wan remained a shameful secret until the early 1990s when with the fall of the Soviet Union information started to trickle out visiting American rocket scientists the first to delve into Russia's achievements in space was starting to get details of an engine for sale the engine used a kind of technology very different to what the Americans were familiar with the description to me was was I think there's something there go find out so off we go to start developing contacts you know who do you talk to how to get there you know that the barriers that we were looking at look to be almost insurmountable at the time but we you know we chewed away at it finally got got the right connections and started seeing some of the data information was emerging about an engine with unusually high performance specifications when we went to Moscow the word got around that we were there and we went you know several times what happened is people start coming to our hotel and one of the people that came was a was a gentleman from a test facility in salt up in Siberia where they had tested the NK 33 engine and through him we were able to arrange a meeting with with mr. Kuznetsov himself an unprecedented invitation followed to visit the design bureau at its secret location in Samara there was something they wanted the Aerojet visitors to see it was literally a forest of inches there were over 60 engines stored in this one area just side-by-side to see that kind of quantity of this tremendous asset was absolutely incredible he's the coil mauritania he was speechless does that saying it took his breath away Donald Hisle party saw them and his jaw dropped there was a forest of engines he was amazed in defiance of the Kremlin's orders the stockpile of NK 33 engines left over from the moon effort had been preserved in a warehouse safe from prying eyes for almost 20 years mirtha when ye resumed the wheeler gravity she diggity it was not sensible to consign engines that were designed to last and to work but bulldozer to the scrap yards to be melted down on pathways on his own initiative kuznetsov collected together all the engines that had been made and preserved them he's arguing when you build a rocket engine you it's just unbelievable the amount of hours that go into each one of the engines and its dedication it almost becomes like your child there has to be a value somewhere they have no idea where so they just they just kept them now worth millions of dollars with a visit of Aerojet engineers it looked like Kuznetsov's foresight in preserving the engines might pay off but with the NK 33 never having proven itself in flight Aerojet had some tough questions to ask about the performance specifications being claimed for the engines close cycle well engineers never just say this is fantastic we're a very bit of skeptical type of people we have to prove things to ourselves technically we wanted to know for ourselves that that we could back up the claims that skepticism was deepened by the fact that the close cycle technology behind the NK 33 was only poorly understood in the United States they were doing things at a level they are operating at levels that some in the United States were saying as recently as 15 years ago you can't do that and yet they had been doing it for over ten years so they had really protected their technology and those of us in the industry did not know how they were doing it the only way those doubts about the engines reliability and performance could be resolved would be in a full test firing the first in 20 years an engine was sent from Samara to the test and at Aerojet facility in Sacramento California for a proving test set for October 1995 rate of the sequence computer and load sequence here inque firing program monitor supply pressure clarify clothes locks engine safety valve hope that engine GM to start purge supply valve open engine start perch tank isolations out verify clothes locks run line drain valve no thrilled an idea they need to own in you well it is hard to overstate the anxiety that we felt before the test my hair had already gone white and I thought can it get any whiter with all that worry what's thank you three well Nene what there was worry stress every kind of stress nervous physical moral psychological fine when pressure reaches 3000 pushes a pressure Statehouse standby protests nkp 2 2 0 1 1 a 0 0 1 on the countdown siren on/off up the second valve now down five four three two one fire and you're wanting oh this is very very powerful is it going to hold together as our test and gonna work the test conductor is calling out certain critical things and in your mind yourself yes that's right that's right it's good it's good the engine hit each of its specifications Russia's alternative engineering approach had delivered a technology that though twenty years old America had still not managed to equal whereas quit early unless you throw these two that we tested it at 10:00 a.m. that was about midnight here everybody was waiting for us to call and let them know how the test had gone and we said it's okay it worked Aerojet now had all the proof they needed to go out and sell the engines for use on the latest generation of satellite launchers the man who have bought them knows a thing or two about the rival merits of Russian and American space technology giorgia moolah the engineer once at the helm of America's race to the moon I first came across the MK 33 when we began the development of the k1 our reusable launch vehicle we were looking for high-performance engines and we knew about the Russian engines in general but it wasn't until then that we really began to understand how efficient they really were the efficiency of these engines is very good better than anything else available in the world today start player is Asian Roger going to fly pressures the N K 33 s closed-cycle technology has now been taken to a further stage in a new Russian engine that engine is about to make history by being the first to fly on an American rocket a rocket that started life as an intercontinental ballistic missile pointed at Russia Thank You men 15 seconds for me it's the same every time it nested it'd be better or easier this one is a little more tense because it's a maiden voyage but yeah it doesn't get an easier rocket scientist John Harris of American space giant Lockheed Martin he's on his way out to the launch pad at Cape Canaveral just a few days ahead of the inaugural flight of the latest Atlas rocket powered by a Russian rd-180 engine twice the size of the NK 33 the new rd-180 takes Russian closed-cycle technology to new limits of performance offering thrust levels almost five times those of a jumbo jet if the launch goes as planned the rd-180 will enter the history books as the first Russian booster engine to power an American rocket and it's communication satellite payload into orbit we're working a couple small items this morning really one item so we're doing the final checks and we're closing things out in about an hour from now will be actually buttoned up for launch and we really won't do anything the rest of today Friday Saturday or Sunday and we'll come in and powerup on Monday and go for launch the rd-180 is a direct descendant of the huge closed-cycle engine built in the 70s for the abortive Russian space shuttle program it's been tailor-made for Lockheed Martin by the MPO inner Gamache design bureau today one of the leading manufacturers of rocket engines in the world though inner Gamache is successfully powered over 2,000 rockets with 11,000 engines this will be the design bureaus first-ever launch from Cape Canaveral he always wants to make sure that he is taking care of where the old Atlas rocket used to be driven by five engines the rd-180 is so powerful that the new atmosphere II will use just one and still offer 10 percent higher performance but idea PTFE - you put in you put the red turkey in rocket science it's not done to make forecasts about the launch as the saying goes you have to knock on wood for this remarkable marriage of Russian engine and American rocket to have even reached the launch pad is only the result of a long and sometimes difficult collaboration between these two Cold War rivals Bob Ford is one of the first people to assess inner ganaches technology in the early 1990s our initial impressions was that we were being fed a line of something too as a come-on and we couldn't understand how they could be getting the type of parameters they're talking about they were talking about chamber pressure inside the engine Network higher than anything we had in the United States the chamber pressures being claimed for the engine were above those found in the American space shuttle and outclassed standard rocket motors by a factor of four to one we thought maybe we misunderstood each other we're being told things that we couldn't validate against our own experience and we had to we had to go off and check because it just didn't it wasn't the same technology we're used to it was it was a paradigm shift in what what we were expecting that gap between American expectations and Russian performance was explained by Russia's Hardware focused engineering tradition building on the technology first developed for the NK 33 the rd-180 uses a high-performance closed cycle that had been rejected as too risky by engineers in the United States the engine design itself was was a departure from what the Americans would do for an engine design all the oxygen inside the engine actually flows through the pre burner what actually drives the turbine the oxygen-rich close cycle would mean far higher combustion chamber pressures but it was not without risks the hot oxygen gas coming from the pre burner is so flammable that even the metal engine itself can catch fire and explode you had an ignition source you could and we've seen it on some engines actually just burn the engine up the aftermath is something to see it looks like you've seen large castings that probably are three inches thick literally melt like candle wax from their factory on the outskirts of Moscow in ergo mash have since world war two produced over 100 engine designs each one an improvement on the last by incremental development they succeeded in mastering a combustion cycle that because it was oxygen-rich had been rejected as just too dangerous by rocket scientists in the United States yet the world always deal it's not only the Americans who didn't manage to do that but also the Europeans the Japanese and the Chinese to do this we had to approach how the fuel is burned in the pre burner very carefully so that the temperature field is uniform and to choose the right kind of materials and production techniques TLE technology brazilís though Inno Gamache had found a way of using the closed cycle to take chamber pressures to new limits while protecting the inside of the motor from the greater risks of fire a whole new class of high temperature resistant stainless steels unseen in the West was invented to cope with a hazardous oxygen-rich environment with that kind of technology Lockheed Martin's skepticism evaporated no more desde lo cheaper it was very easy to persuade them we said here's the engine here it is in the production limit here it is at the test centre and now we're going to test it look at the data sure more this sure what better way to present it in with a concrete test of a specific ion engine to be persuaded that it works and works reliably that yours lay like a minor degree Pech non-complex 36a don't be loud venting on the east side of Aoife a pad ramble I say again loud at Cape Canaveral the ground controllers have started their final checks clearance around the c-band s payin engine today the rd-180 engine offers performance and reliability beyond anything achieved in the United States with its billions of dollars of investment in space technology which be all personal exposure to russian design philosophy has forced american technology giant Lockheed Martin to question some of its own most cherished working methods clear back except for the Green Team the Russians design engineers design the engine they have all the drawings they hand the drawings across to the manufacturing engineers that are on the floor that are actually going to build this thing and those folks actually take over the design at that time whereas in the United States the design engineer would design something and he'll hand it across the factory floor and the factory floor will say I got to meet this drawing and what happens is cost of articles go up scrap rate goes up requirements for tighter and tighter machines go up and we turn the factory into more of a technology lab tech nemanja back at Kuznetsov the team that designed and built the NK 33 is still together though now in his 70s valentina nice term of remains chief designer of engines he and the team are ready to resume production of the NK 33 we've been waiting for this for a long time for 20 years all the decisions on that have already been taken production of these engines will be restored in Samarra highest winds we saw in the area were over 28 23 knots but nothing more than that indicates currently do I need advisors for came as the Atlas mission controllers take their places for the countdown with the launch of this new rocket Russian rocket engine technology will finally have come in from the cold captures mid upper 70s and right now imminent 60% chances no moon in the beginning of the window however in preview conditions as we approach the adapter window in er tamasha steam will be able to monitor the engine's performance from their own control room for the duration of its three minute burn based on internal power preservation reporter is M Countdown Atlas systems propulsion go the trolleys go to Maddox Go Go to golf dick electrical code a termination system go electric bill Allen my the vehicle loads go control ten years after the end of the Cold War old-fashioned hands-on Russian engineering is about to teach American high technology an uncomfortable lesson this is Atlas Mission Control su - ten nine eight seven six five four three two and the rd-180 engine roars to life man the idea that that the technology in the United States was not equal or superior to the Russians was a very hard pill for a lot of people swallow it was very difficult to tell somebody in the government that all this money that they put into it really there was still a technology edge over in Russia over what we got here and everything continues no problem on the engine things that he had 87 percent thrust hey not by rambures continue to look powerful booster engine cutoff everything looks good there we have stopped whose phase chill gone right on time you
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Channel: Matthew Travis
Views: 441,140
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Keywords: NASA, space, spaceflight, exploration, rocket, launch, launches, spacecraft, travel, rockets, KSC, Kennedy Space Center, ISS, shuttle, space exploration, space travel, satellite, cubesat, kickstarter, liftoff, station, International Space Station, orbit, Moon, Mars
Id: TMbl_ofF3AM
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Length: 49min 33sec (2973 seconds)
Published: Wed May 07 2014
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