Roton
ATV (Atmospheric
Test Vehicle) N990RR – Experimental Helicopter
Designed by –
Rotary Rocket Company, Redwood City, California
Built by –
Scaled Composites, Mojave, California. 1998
Height – 64 ft.
Diameter – 22
ft (at landing pads – 31 feet)
Rotor blade
Diameter – 53ft
Gross weight –
15,000 lbs (with hydrogen peroxide and pilots)
Empty weight –
9,700 lbs
Crew – Retired
Navy Commanders Brian Binnie and Dr. Marti Sarigul-Klijn
Roton ATV Dates
–
March 1, 1999
First Rollout
July 23, 1999
First liftoff to a controlled hover
September 16,
1999 Second flight to 20’ testing cyclic control
October 12, 1999
Final Flight to 75’ and flew 4,300’ at 53mph.
Roton PTV
Propulsion Test Vehicles) Future models - never built
Launch weight –
400,000 lbs
Fuel – LOX
(Liquid Oxygen) (70,000 lbs) and Kerosene (230,000lbs)
Engine – Rotary
RocketJet Aerospike – 72 engines on spinning arms creating
Centrifugal Pressure
Engine RPM - 720
Expected Burn
Time – 253 seconds
Thrust –
500,000 lbs
Payload – 7,000
lbs to low earth
Intended Service
Date – 2002