HE2G8.jpg


Summary

Description
Français : En 1907 , l' inventeur français Paul Cornu a fabriqué un hélicoptère qui utilisait deux rotors contrarotatifs de 20 pieds (6 mètres ) entraînés par un moteur Antoinette de 24 ch (18 kW). Il a soulevé son inventeur à environ cinq pieds (1,5 mètre) et est resté en l'air une minute.
English: In 1907, the French inventor Paul Cornu made a helicopter that used two 20-foot (6-meter) counter-rotating rotors driven by a 24-hp (18-kW) Antoinette engine. It lifted its inventor to about five feet (1.5 meters) and remained aloft one minute.
Date circa 1907
date QS:P,+1907-00-00T00:00:00Z/9,P1480,Q5727902
Source http://www.centennialofflight.gov/essay/Rotary/early_20th_century/HE2G8.htm
Transferred from en.wikipedia
Author Unknown author Unknown author
Permission
( Reusing this file )
PD-USGOV

Licensing

Public domain
This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code . Note : This only applies to original works of the Federal Government and not to the work of any individual U.S. state , territory , commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978 . (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use .

Original upload log

The original description page was here . All following user names refer to en.wikipedia.
  • 2007-01-04 21:14 Signaleer 504×157×??? (27573 bytes) In 1907, the French inventor Paul Cornu made a helicopter that used two 20-foot (6-meter) counter-rotating rotors driven by a 24-hp (18-kW) Antoinette engine. It lifted its inventor to about five feet (1.5 meters) and remained aloft one minute. ==Source=

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

image/jpeg