Power to weight ratio is the exact answer indeed... similar to the difference between an 8hp outboard motor on a 12 ' aluminum boat, or a 9.9... just that little more oomph makes a surprising difference.

handrawn... lol

Yeah, those Mazda rotaries were something else... exceptional revs to be sure.

We get a kick out of Jeremy Clarkson, and his car series "Top Gear, as well The Grand Tour"... in fact his farm series was also a hoot!