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Old 07-06-2003 | 06:14 AM
  #6  
BotleRocketWar
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Default Prop Size

Originally posted by Geistware
I would look up the typical max RPM for your engine then put a tach on it and size the propeller to get the engine speed you are looking for.
That would mean using about a 9x6 on my Pro .46 to get it going at 16,000 RPM????