OPERATION
47
• Increase clearance over submerged objects or a shallow
bottom.
• Cause the boat to accelerate and plane off slower.
• In excess, cause boat porpoising (bouncing) or propeller
ventilation.
• Help the boat accelerate and plane off quicker.
• Generally improve the ride in choppy water.
• In most cases, reduce boat speed.
• If in excess, lower the bow of some boats to a point at which
they begin to plow with their bow in the water while on plane.
This can result in an unexpected turn in either direction, called
bow steering or over steering, if any turn is attempted or if a
significant wave is encountered.
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