and there's nothing more annoying than running like a madman to marshall a car only for it to reverse then shoot off on it's merry way just as you reach it in the middle of the track....I'm sure we've all experienced it!
I had reverse ages ago but it was on a 2 belt car - the Losi XXX-S/XXX-4 single belt design is very innovative but as said previously is designed so the belt is under tension when going forwards - in reverse it gets slack and the tensioning pulley spits the dummy.
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