IIRC the spare wheel is located where the swinging arm could be assembled.
Quote:
Originally Posted by CeeforCitroen
For a go kart "differential" I would just use an engine driving a back axle and have each wheel be able to free wheel faster than the axle so that when it turns right only the right back wheel is powered and the left over runs and vice versa. Also if one wheel was off the ground or on slippery surface, the wheel on solid ground would do the work (unlike the situation you see in some cars - likely every FWD car I've ever driven - where the wheel on the snow slips and the wheel on the dry tarmac doesn't help it out.)
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How to control it would be the most challenging part, but the idea is interesting.