Dave, I'm curious by what you mean by basic teetering rotor. I couldn't see any apparent swashplate, so i assumed (perhaps wrongly) that the cyclic controlled the rotorhub (hence TPP) directly.
I was kinda hoping some of the gyro guys could help understand if this gives better control over cyclic swashplate for teetering. Swashplate cyclic pitch control is afterall a servo mech with associated delays and control laws. Besides, it strikes me as a good weight saving.
Mart