Image:HE2G8.jpg
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[edit] 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.
[edit] Source
http://www.centennialofflight.gov/essay/Rotary/early_20th_century/HE2G8.htm
[edit] 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. |
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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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