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Thread: Sikorsky Begins Whirl Testing Active Rotor System
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Old 18th Sep 2009, 16:47
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Graviman
 
Join Date: Nov 2004
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VP, thanks:

Green helicopter: Almost a Reality

Shows the tip servos nicely. You can also see the reflex aerofoil section to keep the control forces down. Not sure exactly what is in the hub mounted cylinder. If it is just power electronics then that is some serious cooling!

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