Generally speaking,
in US/Canadian/UK built helicopters the rotors turn counterclockwise, when
viewed from above. In tandem rotor helicopters, the forward rotor turns
counterclockwise. In European built helicopters, the opposite is true.
In doing a little
research for this article, I found at least one exception to this rule, the Sud
Aviation/Aerospatiale Super Frelon. Apparently, the rotor turns
counterclockwise on this machine.
Click on
images below to see larger images
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USA/Canada/UK
01.jpg - Sikorsky
H-19B
02.jpg - Sikorsky MH-53J
03.jpg - Sikorsky H-53E
04.jpg - Brantly 305
05.jpg - Sikorsky S-62
06.jpg - Vertol 107
07.jpg - Sikorsky MH-60G
08.jpg - Bell HU-1B (Display, after a Florida hurricane)
European
09.jpg - Eurocopter
EC-155
10.jpg - Russian MIL helicopters
11.jpg - Eurocopter EC-225
12.jpg - Eurocopter HH-65A
13.jpg – MIL MI 26
14.jpg – Aerospatiale Alouett III
15.jpg – Aerospatiale Super Frelon
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I hopes this helps folks when
building their helicopters.
Lou Anatrella
Click on
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