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Old 04-15-2003 | 11:40 PM
  #4  
Dave Shadel
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From: Gardnerville, NV
Default YS 63 prop for break-in

Over rpm seldom results in overheating problems. Too big a prop is worse than too small (within limits). The 63 will run all day long at 12000. I think they run best at 11000 to 11500. Prop accordingly.