Kay Gyroplanes: 39/1

General data

Producer info

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Names and dates
Market original model designation
39/1
Market model designation (english translation or spelling)
39/1
Project start date
1939
Country of manufacture
United Kingdom
Project status
Design study
Config info
Rotorcraft typeAutogyro
Weights
Maximum Takeoff Weight (MTOW)
2087
kg
Manufacturers empty weight (MEW)
1569
kg
Cabin and cockpit
Maximum number of people onboard
3
Control system
Lateral control
Main rotor
Longitudinal control
Elevator
(...)
Main rotor
Main rotor
Cyclic control
Tilting rotor shaft
Collective control
Yes
Main rotor diameter
15.24
m
Number of blades
3
Powerplant
Engine model (option 1)
Alvis Leonides
Engine model (option 2)
Pratt & Whitney Wasp Junior
Engine model (option 3)
Wright Whirlwind
Number of engines
1
Total maximum power
450
HP
Performance
Maximum horizontal flight speed (Vh)
180
km/h
Cruise speed (Vc)
151
km/h
0.0554