Helicoptersexperimental helicopter with intermeshing rotors
Kellett XR-8
The Kellett XR-8 (later redesignated XH-8) is a helicopter built in the United States during World War II. It was a two-seat machine intended to demonstrate the feasibility of a twin-rotor system and, while it accomplished this, it also demonstrated a number of problems that prevented further development of this particular design.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
- Manufacturer
- Kellett Autogiro Corporation
- Category
- Helicopters
- Country of origin
- United States
- First flight
- 1944-08-07
Specifications
- Cruise speed
- 87 kt
- Max speed
- 87 kt
- Service ceiling
- 10,000 ft
- Max takeoff weight
- 2,975 lb
- Empty weight
- 2,320 lb
- Fuel capacity
- 34 US gal
- Powerplant
- Franklin O-405-9
- Engines
- 1
- Seats
- 2
- Length
- 22.6 ft
- Wingspan
- 72 ft
- Height
- 11 ft
- Number built
- 2
Specifications are approximate and may vary by variant. Compiled from Wikipedia (CC BY-SA).
Reference and training only. Specifications vary by variant — consult the manufacturer and the official documents.