72 hp. McCullough drone engine as used in Bensen gyrocopter. This one is stock and appears to have been run.

Some carbon in ports, has been stored dry and clean.

Here's the 72 hp. Mac engine ID plate.

All the Weedhopper stuff relates to this ID plate.

Weedhopper prop for square head engine. Excellent condition.

ID number for Weedhopper prop. It was never mounted.

Chotia square head engine never run. Missing points cover.

Chotia square head with prop plate.

Righter drone engine used in good condition.

This area was ground away for clearance on the Weedhopper it was mounted on.

Here's the Righter engine ID plate.