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Old 04-08-2014, 12:11 AM
  #16  
nine o nine
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Join Date: May 2003
Location: Leominster, MA
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The sound is all the same...it's the audio quality of the videos that kills some of the joy of these engines. The prop is a sound contributor too. A lower than necessary prop pitch can turn too high and make a whining sound. The engine likes to be loaded with prop pitch and does give a more robust sound overall. Mitch