Stingray ™ engine wing
XPI Senior
Due to the nature of the designs, propeller sizes can be small, medium or large size according to the needs of the boat. Small Pitch propellers give good results for torque at low speed and acceleration, but the acceleration of the boat in high speeds remains slightly slow. Large propellers accelerate better in high speeds, but remain heavy when taking off and starting to slide the boat. Most of the boats are equipped with propellers in the average Pitch, they are not perfect for quick transition to shift, acceleration and rapid access to the latest speed. It allows the boat to accelerate more than 50 %with more advanced acceleration. With all these balancing movements, it saves 30 % - 40 %fuel. XPI also helps skiers very much by preventing movements such as wobbly and dating.
Black, white or gray colors are available. It is designed for external plug -in motors and stern drrives from 75 HP to 300 HP+.
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