File:HE2G8.jpg
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Summary
In 1907, the French inventor <a href="https://en.wikipedia.org/wiki/Paul_Cornu" class="extiw" title="en:Paul Cornu">Paul Cornu</a> 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.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 07:37, 4 January 2017 | | 504 × 157 (27 KB) | 127.0.0.1 (talk) | In 1907, the French inventor <a href="https://en.wikipedia.org/wiki/Paul_Cornu" class="extiw" title="en:Paul Cornu">Paul Cornu</a> 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. |
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