Recent content by jmbfin

  1. J

    Cruising Speed vs WOT RPMs

    Which is more important in selecting a prop, cruising speed or higher WOT RPMs? Should I sacrifice cruising speed for higher WOT RPMs? My Yamaha F115 outboard has a recommended max range of 5000 to 6000. Here are the results of my recent test. These are all 4-blade props. Solas Aluminum 17"...
  2. J

    4-Blade Prop Choices or go to a 3-Blade?

    I have been trying to prop my '05 Sailfish 1900 Bay Boat with a Yamaha F115 correctly. The two 4-blade props I have are a Solas aluminum 12.75 X 17 and a Powertech Stainless 12.75 X 17. Both have a good hole shot but have difficulty maintaining speed when turning hard. The Solas maintains 25...
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