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Reaction wheel
(redirected from Reaction wheels)

    Also found in: Encyclopedia, Wikipedia 0.01 sec.
(Mech.) a water wheel driven by the reaction of water, usually one in which the water, entering it centrally, escapes at its periphery in a direction opposed to that of its motion by orifices at right angles, or inclined, to its radii.

See also: Reaction



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The thrusters are used for making small corrections to the spacecraft's course, for some attitude control functions, and for making angular momentum adjustments in the reaction wheels, which also are used for attitude control.
NASA's Cassini spacecraft successfully swaps thrusters by Asian News International
Before coming home, the astronauts will also replace one of the observatory's reaction wheels, which keep the observatory focused on a celestial target.
Ambitious mission: hubble slated to get one heckuva tune-up. (This ... by Cowen, R. / Science News
Furia said that AFS Trinity expects that other long-awaited uses for advanced flywheels will also be made possible with the help of this new technology, including lighter spacecraft reaction wheels that perform double duty as batteries, portable UPS (uninterruptible power supplies), load following submersible energy storage systems and other critical mobile power and energy storage applications for civilian and military applications.
AFS Trinity Power New Mobile `ARC' Flywheel Patent Announced Today; ... by Business Wire
 
 
 
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