Originally Posted by LightSpeed
...If a team of internationally educated engineers had worked on the problem they would have concluded that the Liberty Ace , the very patent that they purchased, was the way to do it. Shaft drive worked great for it.

Not so great for the passenger though! The angled shaft meant they had to have a really small bum.

M3W5sp 2015, MSCC, MTWC, Oxon UK