Re:SpaceX’s Falcon Heavy rocket seems to be a hit with satel...
by garmaine on Friday October 26, 2018 @11:20AM
(#18310054)
And how do you spin up the rocket?
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Re:SpaceX’s Falcon Heavy rocket seems to be a hit with satel...
by tomp on Friday October 26, 2018 @11:26AM
(#18310110)
Using a reaction wheel.
https://en.wikipedia.org/wiki/Reaction_wheel
Basically, an heavy enclosed wheel that you use a motor to spin. Because of the conservation of angular momentum, the rocket will spin in the opposite direction (more slowly, because it's (probably) heavier).