CORNU'S AIRCRAFT SPECIFICATIONS

Manufacturer/Builder:Cornu
Aircraft Designation:1907 Helicopter
Country of Origin:
France
Period:
1907-1922
Configuration:
Tandem Rotor



GENERAL INFORMATION
Contract Number: NA Seats: 1
Registration: NA Rotor Type: Rigid
Rotor Control: Blades had a form of ground adjustable pitch. Propulsion, control and stability were to be effected through a sytem of louvers in the rotor downflow First Flight: Unverified
November 13, 1907
Transmission: Belt Drive
10:1 Reduction, 72 ft long x 0.328 ft wide
Rotor pulley diameter: 5.9 ft
Source: Rotary Wing Handbooks. Prewitt Aircraft, ca. 1950

MAIN ROTOR
Main Rotors: 2 Rotor Disc Loading: unknown
Rotor Diameter: 19.7 ft Rotor Power Loading: unknown
Flight RPM: 90 Blade Area: 64.5 sq ft
No. Blades: 2 Blade Dimensions: 5.9 ft Length
2.95 ft Chord
Rotor Airfoil: unknown Rotor Blade Loading: unknown
Rotor Disc Area: 600 sq ft Rotor Tip Speed: unknown
Rotor Solidity: unknown Collective Pitch Range: unknown

TAIL ROTOR
Tail Rotor: unknown Tip Speed: unknown
Diameter: unknown Pitch Range: unknown
Disc Area: unknown Airfoil: unknown
Solidity: unknown Power Loss While Hovering: unknown

STRUCTURE
Stabilizer Area: NA Height: unknown
Aspect Ratio: NA Width: unknown
Angle of Incidence: NA Primary Construction: Aluminum Tube
Fuselage Length: unknown    

ENGINE
Model: Antoinette Fuel Capacity: 1.85 gal
Max Continuous Power: 24 hp @ 90rpm
(only 12-14 hp supplied to rotors due to belt slippage)
Fuel Consumption: unknown

WEIGHT AND BALANCE
Gross Weight: 573 lb Useful Load: NA
Empty Weight: 447 lb CG Range: NA

PERFORMANCE
Max Level Speed: NA Hover Alt. in Ground Effect: NA
Cruise Speed: NA Hover Alt. out of Ground Effect: NA
Range: NA Service Ceiling NA
Best Vertical Speed: NA Absolute Ceiling: NA
Rate of Descent: NA