For SS prop, I had a Powertech PTR 19P 3 blade that performed very well. It would turn 6100 rpm and 34 knots.
Currently running a Solas Amita 4 13.75 X 19 4 blade aluminum with about the same numbers.
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1973 Seacraft 20' SF "Sea Dog"
1988 Tracker/Seacraft 23' WA "Salty Dog"
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