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how can i design a rubber band pawered launcher?

this is a design project that i must do a rubber band powered launcher. the launcher must be able to reach a target 0f 2400mm from origin and it must be in the form of a vahecle

jtobako6 years ago
A launcher in the form of a vahecle? Do you mean a something that launches a vehicle (with wheels or wings or a 'ballistic capsule') or a vehicle powered by rubber bands?
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or a vehicle with a canon on it...

the classic 'crossbow on a lego car' is easy enough to conjure.