h a l f b a k e r yIt might be better to just get another gerbil.
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Like a wire brush but instead of many hairs at each tuft, it has only one long wire at each location, looking like a child's drawing of the sun while spinning.
When the wheel spins rapidly the wires shoot out with centripetal force creating a "wheel" that runs under the hovercraft and steers it or
propels it forward.
The hovering vehicle could be a RAM (ground effect) winged plane, a quadcopter, or an air cushion hovercraft, flying over water or land.
jumping jetplane-jetboat
[pashute, Feb 22 2024]
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Annotation:
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The force shooting the wires out would be centrifugal. The force keeping them from flying right off would be centripetal. |
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[pertinax] your statement is true but it does not contradict [pashute]. |
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When [pashute] says //the wires shoot out with centripetal force// we can parse this grammatically as making two statements: |
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1. the wires shoot out (the force causing them to shoot out is not stated but we can deduce it is centrifugal since the wheel is spinning rapidly) |
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2. The wires have centripetal force, or rather, centripetal force is a thing that accompanies them; because if they did not possess centripetal force pulling them towards the centre, they would fly away, and we are explicitly told that they create a "wheel", i.e. they remain attached to the hub with centripetal force. |
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