OS .15 Steel Fin?
I just picked up a couple of older OS engines, one of them was titled "OS .15 Steel Fin." On its left side is printed "MAX-III OS 15." It has a carb with a link from the throttle arm to a moving baffle, no muffler.
I would like to run this engine on a Dynaflite Butterfly. I'm hoping that some of you guys have some more information about this engine, experience, or running recommendations like what kind of fuel I should use and prop suggestions.
Also, since there is no muffler and no pressure tap, what do I do with the tank pressure line? Will it run reliably without pressure on the tank?