PPRuNe Forums - View Single Post - Bell 412 - How Does the 'delta hinge' work?
Old 2nd June 2009 | 16:15
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Eng AW139
 
Joined: Dec 2007
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From: On the way to the fridge
Very good

Equal loading from the advancing and retrading blade provides equal pull or push on the tailboom, simple and effective.
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