चित्र:HE2G8.jpg
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सारांश
| बिबरणHE2G8.jpg |
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. |
| तारीख |
circa १९०७ date QS:P,+1907-00-00T00:00:00Z/9,P1480,Q5727902 |
| स्रोत |
http://www.centennialofflight.gov/essay/Rotary/early_20th_century/HE2G8.htm Transferred from en.wikipedia |
| लेखक | Unknown authorUnknown author |
| परमीशन (एह फाइल के दुबारा इस्तेमाल) |
PD-USGOV |
लाइसेंसिंग
| Public domainPublic domainfalsefalse |
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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=
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