Why do some stainless steel propellers have vent holes?
Vent holes are holes behind each blade designed to aid in the hole shot of a propeller. When accelerating from neutral, these holes allow some exhaust bubbles to flow through and flood the blades. The prop is then spinning through more turbulent water, thus gaining RPM's and speed more quickly. After approximately 1000 RPM's, the exhaust flows rapidly enough that is will bypass the holes and flow through the hub, eliminating any further slippage from the holes.
This performance feature can only be found in stainless steel propellers. However Turning Point is the only one to offer this feature in aluminum propellers as well.
ALL ALUMINUM AND STAINLESS STEEL PROPELLERS ARE ON SALE NOW!
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