Kevin wrote:
(I think?) but the FAQ (which is a .pdf, warning!) says that their
craft is immune to ground resonance because the rotors can't go out of
phase. I'm having trouble figuring out how they built it without
lead/lag hinges.

Correct me if I'm wrong (very pften I am g), but I believe they only
use the blades, not the entire rotor system. I also believe that the
blade are/were installed upside down.

The Monk