Did K&B make a 1.9 or 1.? size engine for Army drones? My friend wanted to know. He came by this engine with no markings on it but he was told it was some kind of drone engine? Wo Knows :drowning: ? Thanks Captinjohn

Ohlsson made some small industrial engines, about 1 cubic inch.A generator and chainsaw were two of the applications....During ww2 they made some drone engines, not sure what size....
K&B had a few prototypes of a 1.5 cubic inch 2 stroke single, one was ABC and one had a ringed piston..Donny Weitz had one and Greg Froreich(sp?) had the other ..They were said to run pretty good, but got dropped when K&B moved from Lake Havasu...I guess RJL decided not to do those....

When I get a chance to see this KB or whatever, I am going to take photo of it. I will then post the photo. Thanks again CJ

For a short time, just before they got bought by RJL, K&B made and sold both a 1.0 DF engine and a 1.0 Aero engine. The Aero engine has a square box muffler attached to the back of the engine that's used as the mount, kinda neat. I've got one of each.