Russell Sutton is a man after our own heart. The craftsman has spent the last four years building a nine-cylinder radial engine using a smattering of Honda XR600 singles for his airboat.

Ever seen a four-cylinder engine with a cross-plane crank? A conventional four-cylinder engine has a flat-plane crank, which means two crank journals face up while the other two face down ...

Gasoline is routed from a jar on the work bench. The mini V8 sits on a platform while the engine builder opens the throttle via a tiny wheel next to the air scoop. The sound it makes is nice and ...