The parts list says 100w, not 1000w. Just sayin...
Thanks for your input - this was a custom built machine, running a (now discontinued) Tartan Super Twin gasoline engine. The blades were made for us by Tech Specialties - don't remember the size/weight, but the overall rotor system diameter was about 6'6".
Here's an interview I did around 1994 or 95:https://www.youtube.com/watch?v=HQw7KnmSfgs
This is very cool - and the results are beautiful. But, 5 years to develop? My partners and I were flying drone 16 pound 35mm cameras on 3 axis stabilized mounts 25 years ago.http://ericdustrude.com/public/gadgets/PegasusSixFlags.jpg