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7.5cc O/B tunnel hull set-up questio
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03-24-2009, 03:26 AM
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ob nut
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RE: 7.5cc O/B tunnel hull set-up questio
Prop to deep - boat will "plow" thru the water. prop to high - boat will be "flighty".. The full size racing tunnels also run the prop half submerged. This allows the motor to rev up..
Good luck..
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