Gyroplane: G.20

General data

Producer info

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Names and dates
Market original model designation
G.20
(...)
G20
Market model designation (english translation or spelling)
G.20
(...)
G20
Also known as
Dorand G.II
(...)
Dorand G.20
Also known as (english translation or spelling)
Dorand G.II
(...)
Dorand G.20
Date of prototype completion
1947
Country of manufacture
France
People involved
Rene Dorand {René Dorand}Chief design engineer
Louis Breguet {Louis Bréguet}Function unknown
Marcel VuillermeFunction unknown
HerbinFunction unknown
Config info
Rotorcraft typeHelicopter
Config
Coaxial rotors
Weights
Maximum Takeoff Weight (MTOW)
2500
kg
(...)
3000
kg
Manufacturers empty weight (MEW)
1400
kg
Cabin and cockpit
Maximum number of people onboard
3
External dimensions
Length
11.08
m
Height
3.12
m
(...)
3.13
m
Main rotor
Main rotor diameter
15.40
m
Number of blades
3
Powerplant
Engine model
Renault 6Q
Engine model (english translation or spelling)
Renault 6Q
Engine type
Piston
Number of engines
2
Total maximum power
480
HP
Performance
Maximum horizontal flight speed (Vh)
250
km/h
Cruise speed (Vc)
179
km/h
Maximum service ceiling
5000
m
Maximum range
732
km
(...)
800
km
0.0402