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I wonder if Killerhurtz could be talking about a gimbal mounted flywheel system normally allowed to rotate freely, but engaged to provide balance. I can't find any examples of flywheels being used that way, so that must be impractical as well for some reason. Maybe the space/weight constraints of needing a flywheel mounted in a sphere per axis, or maybe this scheme would impart some angular momentum on the robot during stabilization?
Killerhurtz · 3417 days ago · link ·
Only reason I can see them not being used is that we haven't had balance-critical applications like these before. Oh, except the ISS, which does use flywheels to stay at the same angle. Power might be another issue - but it's an issue they'll have to address anyway if they want an untethered unit.