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Max RPM on 283

June 27 2012 at 4:54 PM		   (Login CliffsCorsair)


Response to Re: Corsair prop different from Sea Skiff ----- only due to 283 or 327 power
Paul --

Agreed, 4,600 is too fast for this motor. I simply tested it to see what she'd turn, and immediately throttled down. 4,000 rpm will remain my absolute max throttle setting. I rarely exceed about 3,300 rpm and usually cruise about 2,800. The prop seems about right for the boat: good acceleration; nice cruise.

However, I must say that hull speed increased perceptably between 4,000 and 4,600, suggesting the prop was not overly cavitating at those higher speeds. Never fear, though, I'm going to keep the throttle out of that range -- unless you come to the Mississippi to race me with your Skiff! happy.gif

On the other hand, perhaps a light "cup" on the existing 13 x 11 prop might yield some benefits, but I'm not going to bother with it this season.

Best,

Cliff

 
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