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go propless

09-28-2009 07:40 PM

Sonic 31 SS Questions

I guess this is a question for BBlades. Brett I have a 97 31 SS with 502MPI MAGS. I have 26B1 labbed by merc now turning 5050rpm at 70 to 72mph depending on water conditons and air temp. I also have nonlabbed 28B1's that I turn 4600 rpm at 70 to 72mph same conditions. How much do you think you could get out of the 28's for me?

bbladesprops

10-08-2009 07:56 PM

Sorry for the delay.

Per my calculations, 3.31 mph. Of course this is per a model I created. Your results could be more or less. I feel the number is pretty accurate though.

Brett

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