Aerospace scope
2006-09-24 14:39:00 · 6 answers · asked by h22562284 2 in Science & Mathematics ➔ Astronomy & Space
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2006-09-24 14:45:47 · answer #1 · answered by Anonymous · 0⤊ 3⤋
"Deep Throttling" refers to the ability of a rocket engine to function efficiently at a variety of thrust settings. Most rocket engines operate at 100% (or close to it) until they shutdown. Most are then discarded into the ocean or burn up because they are not part of a reusable vehicle.
The Space Shuttle's Main Engines (SSME) are capable of deep throttling. They will operate correctly, efficiently, and reliably from 60 percent of rated power to 109 percent of rated power. (At 109 percent of rated power, the life of the engine is shortened quite a bit.)
The Lunar Excursion Module (LEM) used in the Apolllo program could be throttled down to just 10 percent of rated power. The LEM needed full power to decelerate as it approach the lunar surface. And, it needed very low power to land softly.
2006-09-24 22:18:07 · answer #2 · answered by Otis F 7 · 3⤊ 0⤋
LOL. My favorite past time.
2006-09-24 21:48:42 · answer #3 · answered by ally_oop_64 4 · 0⤊ 2⤋
ok OTIS 100%
2006-09-24 23:13:01 · answer #4 · answered by aldo 6 · 1⤊ 1⤋
I don't know but I'd love to do that...
2006-09-24 23:10:47 · answer #5 · answered by Buzz Lightyear 1 · 0⤊ 3⤋
that is so sick
2006-09-24 22:11:04 · answer #6 · answered by Anonymous · 0⤊ 2⤋