CORNU'S AIRCRAFT SPECIFICATIONS
Manufacturer/Builder:Cornu
Aircraft Designation:1907 Helicopter
Country of Origin:France
Period:1907-1922
Configuration:Tandem Rotor
GENERAL INFORMATIONContract 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, 1907Transmission: Belt Drive
10:1 Reduction, 72 ft long x 0.328 ft wide
Rotor pulley diameter: 5.9 ftSource: Rotary Wing Handbooks. Prewitt Aircraft, ca. 1950
MAIN ROTORMain 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 ChordRotor Airfoil: unknown Rotor Blade Loading: unknown Rotor Disc Area: 600 sq ft Rotor Tip Speed: unknown Rotor Solidity: unknown Collective Pitch Range: unknown
TAIL ROTORTail Rotor: unknown Tip Speed: unknown Diameter: unknown Pitch Range: unknown Disc Area: unknown Airfoil: unknown Solidity: unknown Power Loss While Hovering: unknown
STRUCTUREStabilizer Area: NA Height: unknown Aspect Ratio: NA Width: unknown Angle of Incidence: NA Primary Construction: Aluminum Tube Fuselage Length: unknown
ENGINEModel: 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 BALANCEGross Weight: 573 lb Useful Load: NA Empty Weight: 447 lb CG Range: NA
PERFORMANCEMax 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