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Old 09-11-2006 | 05:40 PM
  #4  
da Rock
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From: Near Pfafftown NC
Default RE: 2-bladed prop compared to 3-blades

There has been a rule of thumb that's been around forever.

Drop the diameter by an inch when going from a 2-blade to a 3-blade.

Make sure you retune the needle valve and test fly the sucker.