HI all, just to clear my question, the porpoise is in the air on final. When the best Pilot in the world has trouble landing a *#!*^ and he has to land on the low of the porpoise, I think their is a design problem or like David says, reduce the flaps.
I was also thinking, the flaps
Rcpete
PS. on the ground, it is called the Kangeroo Hop