Tom's plane is a copy of an old design that was flown to 2nd or 3rd at a Nats, if I recall right. Sorry, but the name of the designer was not one I remember. Anyway, Tom has never had any luck getting this puppy to maneuver, it came in on him both times I heard about. I saw it when it was new, and it was a really cool plane. I presume, that he somehow was overdriving it and getting tip stalling on the inboard side.
I thought I had Tom's e-address, but it seems not. He could give more detail. I think he does run an advert. in Stunt News.