Continuing from Prop School…Part 3. Here I will explain everything you need to know about Blade Cup. The heavy, deep-vee hull ran best with the drive trimmed up raising the bow, reducing the wetted surface, and increasing hull efficiency. Our measurement? In fact, cupping reduces full-throttle engine speed RPM below the same pitch prop with no cup.
Thanks Nick! Quick Links. Just for knowledge sake, without any change in motor height mounting position, what generally happens to RPM when switching from the 3 blade Tempest Plus to the 4 blade Bravo 1 XS? Your email address will not be published. Vintage mercury test prop seemed to blow out rather easy in higher speed turns. Top end is about at around RPM. What is a good prop for the triton to stay hooked up in curves?
Vintage mercury test prop. test wheel ID ----anyone have a chart?
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Aug 01, · Re: test wheel ID anyone have a chart? Well, I might get condemed for this, but in the Clymer manual I have is a test wheel recomendation chart. The Evinrude chart I am looking at has Engine hp, year, Test Wheel number, and engine rpm. I don't have a good way to copy it into the computer but will think about it if you wish. Put new life into your Vintage outboard! Vintage Outboard specializes in replacement parts for Mercury, Johnson and Evinrude outboard motors built from to Our mission is to help you repair and enjoy your older Mercury, Johnson or Evinrude outboard motor. results for mercury outboard vintage Save mercury outboard vintage to get e-mail alerts and updates on your eBay Feed. Unfollow mercury outboard vintage to stop getting updates on your eBay Feed.
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Our 5 blade MAX5 will generate too much stern lift for your setup. Back Types View All. By raising the motor 2 holes and switching to a 23 pitch Bravo 1 XS from the 21 Tempest, what are the overall changes in performance I should expect? Also, what speed and RPM do you cruise at? Yamaha Propeller 6D Saltwater Series 2. Scott, I love these articles! Boats PWCs. The Bravo will stay hooked up much better and maintain performance at higher engine heights than the Tempest. For reference, if your goal is to hit 64 mph, you would need to spin a Only issue was lost about 4 mph off the top end. John, Do you know what you gear ratio you have? If so how do they do this? European Union. I think it is turning about at 25 MPH.
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