Frank Has A 9-Cylinder Motorcycle

Putting a 9-cylinder 150 horsepower Rotec Radial R3600 aircraft engine on a custom chopper frame with a tiny propeller is just as insane as putting a 10-liter radial engine into a Goggomobile. It's nuts, and wonderfully so.

This took 18 months of German engineering by Frank Ohle. What do you think?

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Andy Sheehan, StreetsideStig


But I'm wondering about his choice for the fuel tank. The bomb looks cool, but it's maybe 2 liters? Does he stop for fuel every 5 minutes?