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Old 22nd Mar 2014, 15:54
  #146 (permalink)  
AnFI
 
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RetreatingBladeStall?

R22/R44.... bigger chord = longer Arm for CoP from Pitch Change Axis. AND more Polar Moment of Inertia for pitch change per rev.

EG Hughes500 vs B206. Hydraulic vs not Hydraulic. Pertinent difference is chord, (affecting both factors)
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