Headspeed is 900 RPM, Turbine is 93,000 RPM, 6-Bladed Head and 4-Bladed Tail, Mains are 875mm and Tails are 180mm.
It starts with Propane and flies on Kerosene. The body is that of a Sikorsky CH-53 Sea Stallion (CH-53D).
Flight time is about 10 minutes. Video of setup and flight but Jc and Jim.