Cornu helicopter

The Cornu helicopter was an experimental helicopter built in France in 1907 and widely credited with the first free flight of a rotary-wing aircraft when it took to the air on 13 November. Built by bicycle-maker Paul Cornu it was an open-framework structure built around a curved steel tube that carried a rotor at either end and the engine and pilot in the middle. Power was transmitted to the rotors by a drive belt that linked both rotors and spun them in opposite directions.

and built a Cornu helicopter that used two 20-foot (6 m) counter-rotating rotors driven by a 24-hp (18-kW) Antoinette engine.1
Cornu helicopter that used two 20-foot (6 m) counter-rotating rotors driven by a 24-hp (18-kW) Antoinette engine.2
The Cornu helicopter was an experimental helicopter built in France in 1907 and widely credited with the first free flight of a rotary-wing aircraft when it took to 3
The Cornu helicopter would achieve a height of nearly 2 meters but also proved to be unstable and was abandoned after only a few flights.4

Made by Paul Cornu.

of this, the Cornu helicopter is considered to be the first modern helicopter since it was the first one to lift off vertically without any support.5
The Cornu helicopter was the first helicopter to made a successful free flight with a man on board. It was invented by a Frenchman, Paul Cornu in 1907.6
Cornu Helicopter of 1907. Paul Cornu’s helicopter was first tried in November 1907 with sandbags as ballast.7
Engineering Analysis of the 1907 Cornu Helicopter Engineering Analysis of the 1907 Cornu Helicopter J.8
Designer
Paul Cornu
Eng 1 Type
Antoinette
Eng 1 Kw
18
Gross Weight Lb
573
Number Built
1
Crew
One pilot
Rot Area Sqm
57
Gross Weight Kg
260
Rot Number
2
Manufacturer
Paul Cornu
Rot Dia Ft
19
First Flight
13
Met Or Eng
met
Rot Area Sqft
608
Rot Dia In
8
Eng 1 Hp
24
Eng 1 Number
1
Rot Dia M
6
Category
French experimental aircraft 1900-1909
Helicopters

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