Sadly, the ideas I have are not allowed on the road as a licensed vehicle. But the reverse trike idea is one of the better ones, and have shown a lot of potential. Would be interested to see if a double trans option (a cvt + a geared manual) would perhaps allow for decent flat ground work from micro type engines (micro in this case being things 500cc and lower) I could see where hilly terrain would be a problem though. I believe there is a simple 1.0L diesel generator application that could allow for some interesting savings, having the cvt spin the final gearing, while the manual could allow for a range setup... parking, city block, back road, highway cruise... (just a strange idea) I did a conversion once of a pedal powered quad "bicycle" (four wheels, extra frame for the outriggers of the wheels) and added a used weedeater engine to it, but could not really get it quiet like I wanted (angry bumblebee on speed comes to mind)
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