Boating Articles, Safety, Guides & Tips, "How To" Prevent and fix

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Shapes and Types, Boat displaces and factors

Structures and Anatomy, Maintenance and Care

Fiberglass Hulls - type of hull defects

Gear Oils and Lubricants

Industrial Gear Oils and Lubricants for the marine and offshore industry, Manufacturers & Products.


Gas Detectors Guide - Gas Leak Detectors and Monitor Sensor Selection Guide. Minimize Health Risks with a Gas Leak Detector


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working knowledge for small boat owners

Outboard fuel economy and Boat Tips to save Fuel

Outboard maintenance

Regular engine and outboard maintenance and tuning to get better mileage is essential. This will ensure your boat runs better and better and has fewer emissions.

Also monitor the following; air intake (could save you up to 20% to 30% of fuel costs), exhaust smoke,bilge for oil or water and fuel, engine oil level, coolant level, and the condition of the batteries. Engines should be serviced every year or 100 hrs - 150 hrs. It's very important - refer to your service manual.

Right Props and Maintenance

The right prop type and size does matter. Adjusting the pitch andoptimum trim are key.

You can't have good fuel economy if you're not using optimum trim with stern drive and outboard equipped vessels.

Trimming out reduces the wetted surface area of the hull by raising the bow. Trim out until the prop ventilates a little (sucks air in) then bring it down a touch.

Boat Hull Maintenance fouling effect

Be fussy about preparation. An overlooked area of potential fuel savings is vessel and hull maintenance. In fact - a dirty boat hull is like driving a car with the handbrake on.

A similar effect can have a poorly finished painted hull. Excessive barnacles and weed called "fouling" on the hull will also cause friction, resulting in an increase of up to 40% - 50% more fuel use.

A good wet rub after water- blasting the hull will ensure the area has a smoother surface, by removing excess old paint to create a smooth application area. Use a quality primer and hull paint, and ensure the application is applied as smoothly as possible with roller, airless spray or paintbrush.

Weight Onboard

Only stow away what is absolutely necessary onboard and ensure your load is well balanced to allow the vessel to plane fast. In fact, once a year before the boating season begins, take everything off your boat and consider what you really do need.

You will be surprised at how quickly you accumulate things on board that you rarely use, if at all. All of these excess items add to the weight of your boat, reduce your storage capacity for the things you really need and of course slow you down, causing you to burn additional fuel.

Aerodynamic Drag effects

A dingy stored upright on the transom will act like a small parachute, causing your engine to work harder with more fuel consumptions. Other effects from various shapes, from biminies, canvas covers and hardtops , can also create drag.

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