Capital Helicopter Corp C-1 Firefly
An experimental development of the series of Hoppi-copter personal runabout, designed by Horace Penticost.
Power: 2 x 23 lb. thrust N.R.L. pulse. jets.
Rotor diameter: 18 ft.
Rotors: 2-blade tip-powered main rotor
Loaded weight: 450 lb
Ceiling: 10,000 ft
Typical range: 100 miles at 60 m.p.h.