Proper bilge pump positioning and secure electrical and properly rated wiring are crucial for effective internal water removal and overall boat safety.
Here are some key points to consider:
Bilge Pump Positioning:
Lowest Point: The pump should be placed at the lowest part of the bilge to ensure
it can remove all water.
Accessibility: Position the pump where it can be easily accessed for maintenance
and cleaning.
Avoid Obstructions: Ensure the pump and its hose are free from obstructions that could impede water flow.
Consequences of Improper Placement:
Ineffective Water Removal: If placed too high, the pump may not remove all waterleading to potential flooding.
Clogging: Poor positioning can cause debris to enter the pump, leading to clogs and reduced efficiency. Eg. Toffee/sweet wrappers, cigarette butts, tissue, etc.
Damage: Incorrect placement can result in damage to the pump or other
components due to improper water flow.
Proper Marine Grade Electrical Wiring:
Marine-Grade Wire: Use marine-grade wiring/cabling to withstand harsh marine conditions.
Fuse or Circuit Breaker: Install a fuse or circuit breaker to protect against overload and short circuits.
Float Switch: Use a float switch for automatic operation, ensuring it activates the
pump when any water reaches a certain level.
Secure Connections: Ensure all connections are secure and corrosion-free.
Consequences of Poor Wiring:
Electrical Failures: Loose or corroded connections can lead to electrical failures,
leaving the bilge pump inoperable.
Short Circuits: Improper wiring can cause short circuits, potentially leading to fires or damage to the electrical system.
Inconsistent Operation: Poor wiring can result in inconsistent pump operation,
reducing its effectiveness.
By following these guidelines, you can ensure your bilge pump operates efficiently and maintain the safety of your boat.
How Standing Bilge Water Causes Blisters:
Water Absorption: The gelcoat on the hull can absorb water, especially if there are small voids or imperfections.
Osmotic Pressure: Water trapped between the gelcoat and the fibreglass laminate do create osmotic pressure, leading to blister formation.
Chemical Reactions: The absorbed water can cause chemical reactions with the polyester resin, leading to the expansion and formation of blisters.
Preventive Measures:
Regularly Pump Out Bilge Water: Ensure the bilge is kept as dry as possible by regularly pumping out any standing water.
Use a Bilge Pumps: Install and maintain bilge pumps to remove water efficiently.
Proper Ventilation: Ensure good ventilation in the bilge area to help keep it dry and reduce moisture buildup.
Regular Inspections: Check for any leaks or areas where water might be entering the bilge and address them promptly.
Apply Barrier Coats: Use barrier coats to prevent water from penetrating the
gelcoat.
Maintain Hull Integrity: Regularly clean and wax the hull to maintain its protective barrier.
By taking these steps, you can help prevent the formation of gelcoat blisters and keep
your boat's hull in good condition.
We hope the awareness tips offered above allow you to avoid you making mistakes on your craft!
November 2024
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