Jack,
    I was not talking about Tom's engine but I believe it is also for sale .  As far as the drag race guy goes, I have met him and he has forgotten more about engines and gearboxes than you will ever know.  He has designed and built a Hydrogen engine for General Motors, he designed and built a FADEC system and a complete fuel injection for John Force who has won 100 National Championships.  I wonder if you have ever won anything.  I have seen his shop and he has 7 CNC's two 5,000 HP dyno's and everything else needed to fabricate anything  one could imagine.  Tom is not the only one that is afraid of your design of a gearbox or the EngineAir solution. When the main drive is about .050in. thick for 400 HP that my friend is a design that needs much rework.  I think Tom is putting his engine in a hot rod.  That is the only thing he would trust it in.  After all he can pull off the road when it quits.  I watched the gearbox fail.  If it had lasted another 30 seconds you and the folks at EngineAir would not be trying to defend yourselves on this site but rather in a court of law.  You should thank your lucky stars that it broke when it did.  I believe in safety and lowering the risk of flying not increasing it.  As you know EngineAir does not owe me any money nor do I know any of you personally.  I am only asking anyone that is looking for an alternative to a Turbine or an aircraft designed engine to beware.  Find out everything you can from all sides then make your own decision.

Rick Schrameck