and then back again
http://www.takeoff-ul.de/motoren.html



"Vaughn Simon" schrieb im Newsbeitrag
...

"Dave" wrote in message
...
A few years ago a man of my acquaintance picked up a BMW opposed twin
motorcycle engine, and was building an airplane around it.

The wonderful irony is that the original BMW twin was built as an
airplane engine, and then someone thought of trying one in a motorcycle.

Vaughn ('65 BMW R60)