Quote:
Originally Posted by THEFERMANATOR
A REV4 shouldn't hurt your holeshot, if anything it will make it stronger. And it would be a much better prop for the lighter weight of the V-20 VS the MIRAGE.
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Better holeshot you say, really? It gets up fast now.
What pitch should I try? The 21 Thunderbolt I have now is the Quicksilver clone to the Mirage. I have 11% prop slip when I plug in the numbers. The motor is as high as it needs to be, I can see the water rushing around the lower unit about 1/2" above the stock water pickup and well below the cav/vent plate. I can trim it out without losing bite or water pressure, when over trimmed it throws a nice rooster tail but speed don't come from there. The setup isn't far from optimal now, I am not totally handicapped, I have been rigging boats and prop testing since 1987, I just don't know squat about conversion from 3-blades to 4. Any ideas on how many rpm I will loose going to the 4-blade with the same pitch?