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Old 6th Mar 2008, 20:25
  #18 (permalink)  
Piltdown Man
 
Join Date: Jun 2002
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Somewhere approaching 10-15% torque will give a zero thrust descent. Any less and you start to create drag with the props and that would be a waste. The planned descent should be in the order of 3nm per thousand feet. Rocket science not required.

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