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Thread: RRPM changes with airspeed?
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Old 3rd December 2008 | 15:38
  #7 (permalink)  
jellycopter
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Joined: Jul 2001
: ATPL(H)
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From: UK
A further cause for RRPM increase on most types is the offset on the vertical stabiliser which unloads the tail rotor as airspeed increases - assuming the helicopter is flown in balanced (trimmed) flight with a fixed throttle position.

JJ
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