Can inertia be used as a force for propulsion?
In: 9
Take a big heavy flywheel in a cradle, spin it like mad and it’ll build up a lot of inertia.
If should be able to spin for quite some time as a storage method, but there will be losses.
Drop that flywheel down a bit so it contacts the ground, and then it’ll act as propulsion.
It’s not going to work in space but you can figure out something clever, like I guess if you could get that flywheel to impact a captive mass in a confined tube, it should be able to propel the mass down the length until it hit the end, and then kicks the entire gadget forwards in that direction.
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