you may have heard of the Type F engine, very loosely based on the 235, although there were earlier versions, Type A and B, based on older stovebolt designs .... not much similarity

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics