Gotta love something like those bikes. Thanks for the pics.

I don't know why, considering that many of us are from the same generation, but it often amazes me how many of us have "round engine" experience; I cut my radial engine teeth on Mr. Sikorsky's egg beaters in 1960, and Uncle Sams Canoe Club kept me involved in them for several years.

I always thought that the valve actuation of radials was simplicity in action - one cam plate for intake, one for exhaust, instead of a whole bunch of bumps stretched out along a stick, at least that's what it seemed to me.

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