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#1
January 16th 07, 01:21 PM
posted to rec.aviation.piloting,sci.space.history,sci.space.shuttle
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Why does the shuttle throttle on ascent?
wrote in message oups.com... The shuttle actually throttles back twice during ascent. The first time is at max Q. This is not a 3 G situation for the vehicle. After the solids are dropped, the shuttle again throttles back in the last 30 seconds or so before main engine cut-off, so as to not exceed 3 G's of forward acceleration when the fuel is almost gone. Whether this is due to a structural or other reason, I'm not sure. But structural makes the most sense for several reasons, weight being the primary one. Bud The answer is: So Navy fighter pilots can fly the shuttle :-) Danny Deger snip 
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#2
January 17th 07, 12:05 AM
posted to rec.aviation.piloting,sci.space.history,sci.space.shuttle
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Why does the shuttle throttle on ascent?
Danny Deger wrote: wrote in message oups.com... The shuttle actually throttles back twice during ascent. The first time is at max Q. This is not a 3 G situation for the vehicle. After the solids are dropped, the shuttle again throttles back in the last 30 seconds or so before main engine cut-off, so as to not exceed 3 G's of forward acceleration when the fuel is almost gone. Whether this is due to a structural or other reason, I'm not sure. But structural makes the most sense for several reasons, weight being the primary one. Bud The answer is: So Navy fighter pilots can fly the shuttle :-) Danny Deger snip
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#3
January 17th 07, 02:08 AM
posted to rec.aviation.piloting,sci.space.history,sci.space.shuttle
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Why does the shuttle throttle on ascent?
I read that. Nice double meaning. However I think Navy pilots get to 9
G's like AF Raptor pilots do. I was just explaining to the ones that thought the max Q issue was 3 G's, which it is not. Bud Danny Deger wrote: wrote in message oups.com... The shuttle actually throttles back twice during ascent. The first time is at max Q. This is not a 3 G situation for the vehicle. After the solids are dropped, the shuttle again throttles back in the last 30 seconds or so before main engine cut-off, so as to not exceed 3 G's of forward acceleration when the fuel is almost gone. Whether this is due to a structural or other reason, I'm not sure. But structural makes the most sense for several reasons, weight being the primary one. Bud The answer is: So Navy fighter pilots can fly the shuttle :-) Danny Deger snip
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#4
January 17th 07, 10:50 PM
posted to rec.aviation.piloting,sci.space.history,sci.space.shuttle
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Why does the shuttle throttle on ascent?
wrote in message ups.com... I read that. Nice double meaning. However I think Navy pilots get to 9 G's like AF Raptor pilots do. I was just explaining to the ones that thought the max Q issue was 3 G's, which it is not. This is true. Two different times to throttle on ascent for 2 different reasons. Danny Deger
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