PPRuNe Forums - View Single Post - Sikorsky Begins Whirl Testing Active Rotor System
Old 18th September 2009 | 15:12
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victor papa
 
Joined: Jun 2007
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From: foot of a mountain
It's the latest issue. It is not a main article so look under all the listed catagories on the top of the rotor website-it is under one of them.
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