Image:HE2G8.jpg
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Summary
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
http://www.centennialofflight.gov/essay/Rotary/early_20th_century/HE2G8.htm
Licensing
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This work is in the public domain in the United States because it is a work of the United States Federal Government under the terms of Title 17, Chapter 1, Section 105 of the US Code. See Copyright. Note: This only applies to 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 stamps published by the United States Postal Service. (See 206.02(b) of Compendium II: Copyright Office Practices). |
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File history
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 21:14, 4 January 2007 | 504×157 (27 KB) | Signaleer ( Talk | contribs) | (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=) |
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