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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Summer is changed to winter, the young grow old
The air is full of children, statues, roofs
And snow. The theatre is spinning round,
Colliding with deaf-mute churches and optical trains.
The most massive sopranos are singing songs of scales.”
—Wallace Stevens (1879–1955)
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Mainly in darkness, now and then on a rainbow.”
—Andrei Voznesensky (b. 1933)
“What shall we do with country quiet now?
A motor drones insanely in the blue
Like a bad bird in a dream.”
—Babette Deutsch (1895–1982)