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

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Higgs Boson6 years ago
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.
rickharris6 years ago
Still with the fixed line along the floor for guidance - Suggest catapult for acceleration.
rickharris6 years ago
How fast is fast - Suggest rocket power on a fixed line
ianurag (author)  rickharris6 years ago
for me fast==around 7 m/sec and without using any combustion or exothermic rxn
+1 was gonna sugest that, but rick beat me to it!!