de Bothezat

General data

Producer info

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Names and dates
Project start date
1921-06-01
First flight date and time
1922-12-18 09
Country of manufacture
USA
People involved
George de BothezatChief design engineer
Config info
Rotorcraft typeHelicopter
Config
No translation available for: quad_rotor
Weights
Maximum Takeoff Weight (MTOW)
1610
kg
(...)
1626
kg
Cabin and cockpit
Maximum number of people onboard
1
External dimensions
Length
18.90
m
Width
19.81
m
Height
3.05
m
Landing gear type
Wheeled
Landing gear support points
4
Main rotor
Main rotor diameter
6.71
m
Main rotor angular speed
90
rpm
Number of blades
6
Powerplant
Engine model (option 1)
Le Rhône
Engine model (option 2)
Bentley BR-2
Engine model (english translation or spelling) (option 2)
Bentley BR-2
Engine type
Piston
Total maximum power (option 1)
180
HP
Total maximum power (option 2)
220
HP
0.0954