Air Turborocket Vs. Standard Rocket Motor
In applications which stay relatively in the atmosphere and require longer durations of lower thrust over a specific speed range the air turborocket can have a weight advantage over the standard solid fuel rocket motor. In terms of volumetric requirements, the rocket motor has the advantage due to the lack of inlet ducts and other air management devices.
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—Julian Grenfell (1888–1915)
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“A rocket is an experiment; a star is an observation.”
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“The motor idles.
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the pulse of their blossoming
thunders through us.”
—Denise Levertov (b. 1923)