John,

Tilting an engine mounting position did nothing to help me or the factory, it was not a new concept. It was fine if all you wanted to fly was a test stand or fly your plane without a cowl. I didn't ridicule you for your videos and for you to imply that I owed you something for that is what I took issue with. The fact is, it didn't work for the vast majority of applications. Myself, and others, were working on changing the parts of the engine that caused the problem, not put a band aid on it, we were successful in a relatively short period of time. I don't think the factory should have charged for the new back plate but I had no control over that.

FYI, to this date I've never stocked or have even purchased a single ring from Frank Bowman, nor have I ever used an engine with one of his rings, never needed to. His rings are no doubt very good and if I ever have the need I wouldn't hesitate to purchase and use them. His work with piston rings is engine development. Do what you wish the parts I sent you, I don't care, you didn't pay for them or the ignition I warrantied for you even though you didn't buy your engine from me.You can't sayI haven't taken care of my side of the street.