Everyday Astronaut & the RL10 Engine : 無料・フリー素材/写真
Everyday Astronaut & the RL10 Engine / jurvetson
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
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| 説明 | It's not everyday that you get to explore rocket engines with Everyday Astronaut. He does incredible deep dives into many rocketry topics, but has a special love for engines: everydayastronaut.comUPDATE: the fun video is now up.We traced all of the LOX and Hydrogen lines around my Pratt & Whitney RL10 like a couple of excited children. First developed in 1959, the Pratt & Whitney RL10 was the first hydrogen/oxygen engine, and it still flies today as the upper stage for ULA rockets.It has carried spacecraft to the moon and the sun and every planet in our solar system and beyond. In 1959, hydrogen was considered a dangerous and unpredictable fuel, and little of it was available for research. “It was our trip to Florida to see the RL10 firing that gave me confidence to use hydrogen for Apollo.” — Werner Von Braun in the book Advanced Engine Development at Pratt & WhitneyThe bell is composed of 360 pipes that route the super-chilled hydrogen fuel down and back before combustion to keep the nozzle from melting (regenerative cooling). They are brazed together with pure silver on a bell-shaped mandrel.This engine uses a clever expander cycle with gear-coupled fuel and oxidizer turbo pumps, a design that has not been used on any other hydrogen engine. The phase change of the hydrogen fuel from liquid to gas powers both the fuel and oxidizer cyro pumps.A Pratt & Whitney employee claimed that this unit was the second one built. It may be the only original RL10 in private circulation. More details below. Part of the Future Ventures’ 🚀 Space Collection. |
| 撮影日 | 2021-06-09 14:56:31 |
| 撮影者 | jurvetson , Los Altos, USA |
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| カメラ | iPhone 12 Pro Max , Apple |
| 露出 | 0.008 sec (1/120) |
| 開放F値 | f/1.6 |