Video: Understanding Solas Pump Impeller Performance With RIVA Racing


For such a simple-looking piece of equipment, the impeller (“prop”) of your personal watercraft packs a bunch of innovation. Similar to selecting the proper rear differential gearing for your performance automobile, developing the correct pitch for a prop is just as important to both your personal watercraft’s initial acceleration, planing speed and finally, achieving a desirable top speed.

In a recently uploaded video, RIVA Racing’s own Dave Bamdas walks through the key features in a performance impeller, RIVA’s long-standing relationship with industry mainstay SOLAS, and how both brands work together to create custom pitched impellers to best fit RIVA’s specific performance packages. According to RIVA, increases to low-end thrust and top end speed are all tied directly to the power entering – and in this case, exiting – your jet pump.

And deciding on a pitch has much more to do with engine RPMs. As per Bamdas, “weight, performance attributes, horsepower gains, construction materials, pitches, blade configurations, and more” all play central roles in developing a proper impeller. For more information, visit the SOLAS Impeller section at RIVA Racing here.

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Kevin Shaw

Kevin Shaw

Editor-in-Chief – kevin.shaw@shawgroupmedia.com Kevin Shaw is a decade-long powersports and automotive journalist whose love for things that go too fast has led him to launching The Watercraft Journal. Almost always found with stained hands and dirt under his fingernails, Kevin has an eye for the technical while keeping a eye out for beautiful photography and a great story.

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