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Old 18th Mar 2015, 08:45
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Ready2Fly
 
Join Date: Feb 2003
Location: Germany
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A search for teetering rotor head gives you more results

This link Helicopter Aviation from above really explains the basic concept.

And this post from Nick Lappos http://www.pprune.org/rotorheads/675...tml#post639459 and the thread around it is more into detail. What a coincidence it refers to the same link from above almost 13 years ago.
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