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I want to make FAst toy car of about 10x10x20 any innovative suggestion??? Answered

Tags:Car

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At some hobby stores you can buy high speed but still small gas or electric engines for rc places. I suggest using one of those.

Still with the fixed line along the floor for guidance - Suggest catapult for acceleration.

How fast is fast - Suggest rocket power on a fixed line

for me fast==around 7 m/sec and without using any combustion or exothermic rxn