PPRuNe Forums - View Single Post - What causes a helicopter to shudder when ETL is lost?
Old 15th May 2005, 20:59
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MightyGem
 
Join Date: Jul 1999
Location: Warrington, UK
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That's what I thought. Having done a quick search, I can only think that he means translational lift, although I can't say that I've ever noticed it coming to the hover. Only when transitioning from the hover to forward flight, with the onset of inflow roll and flapback. Although logically, I suppose you should feel it as you loose inflow roll and flapback at the other end.

I'm sure someone will come up with a more indepth explanation.
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