Totally depends on total aero drag.
My project is an old Karmann Ghia and a 600 CC Kubota diesel rated at 16.5 HP. It will do 12 sustained at 3 k rpm on 1 gph.
I may just got with a 3 wheeler 2 in front and 1 rear, with a belt drive and a harley tranny, or my hydraulic infinitely variable tranny and an accumulator to give me one ungodly burst of acceleration.
In Va a 3 wheeler is classified as a motorcycle, the body would be radically aeromodded.
regards
gary
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