Roteron: XM-1

General data

Producer info

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Names and dates
Market original model designation
XM-1
(...)
XM-I
Market model designation (english translation or spelling)
XM-1
(...)
XM-I
Also known as
X-100
Also known as (english translation or spelling)
X-100
Project start date
1945
People involved
William ThomasConstructor
Alvin LustigFunction unknown
Config info
Rotorcraft typeHelicopter
Config
Coaxial rotors
Weights
Maximum Takeoff Weight (MTOW)
181
kg
Manufacturers empty weight (MEW)
110
kg
(...)
104
kg
181
kg
Cabin and cockpit
Maximum number of people onboard
1
External dimensions
Fuselage width
0.71
m
(...)
0.71
m
Length
3.10
m
Height
1.83
m
Landing gear type
Wheeled
Wheeled landing gear type
Main wheels in the front
Landing gear support points
3
Landing gear track
2.54
m
Tail landing gear shock absorption type
Rubber cords
Main landing gear shock absorption type
Rubber cords
Main rotor
Cyclic pitch control (System no.: 1)
Yes
Cyclic pitch control (System no.: 2)
Yes
Collective control (System no.: 1)
Yes
Collective control (System no.: 2)
Yes
Main rotor diameter (System no.: 1)
2.95
m
(...)
2.34
m
Main rotor diameter (System no.: 2)
4.67
m
(...)
4.72
m
4.57
m
Main rotor direction of rotation (System no.: 1)
Clockwise
Main rotor direction of rotation (System no.: 2)
Counterclockwise
Distance between main rotor hubs
0.48
m
Number of blades (System no.: 1)
3
Number of blades (System no.: 2)
3
Pre-coning angle
3
°
Main rotor blade tip chord (System no.: 1)
0.13
m
Main rotor blade tip chord (System no.: 2)
0.13
m
Main rotor blade root chord (System no.: 1)
0.18
m
Main rotor blade root chord (System no.: 2)
0.20
m
Powerplant
Engine model
Noble
Engine model (english translation or spelling)
Noble
Engine type
Piston
Number of engines
1
Total maximum power
25
HP
Performance
Maximum horizontal flight speed (Vh)
177
km/h
Cruise speed (Vc)
161
km/h
0.128