Propeller calculators are online software tools that help you determine the ideal diameter and pitch for a specific boating application. By entering your boat's engine information, desired performance outcome, and total wieght a prop will be recommended to you. There are also calculators that calculate the power that each rotation of the propeller will give the boat.
The software available to calculate pitch or diameters of props come with a preset integrated database. They calculate the speed, slip, pitch, rpm and drive gear ratios after the required information is entered into a query section. The software has useful, 'Help' options and the reports given by the calculator are printable.
Calculators calculate percentages or requirements for all types of propellers. Calculations can be obtained for outboard and inboard motors, gasoline and diesel motors, 2 stroke and 4 stroke engines, 3 blade, 4 blade and five blade props, stainless steel and aluminum props and for different types of boats like aluminum. flat bottomed boats, cruisers, speed boats, skiers, fishing boats and pontoon boats.
The various measurements provided by these calculators include propeller sizing, pitch adjustment, shaft tapering, slip and speed calculations, the gear ratio and rpm of the propeller. Calculators are useful modern methods of calculation with near perfect accuracy. Since calculators are computer software, calculation is automated and easy to use. The digital reading on calculators has made calculators even more user friendly. They help to give precise information on propeller sizing and performance.
Another useful propeller tool is the Propeller scan. This is a computer based propeller inspection system. The scan reduces the time spent in diagnosing the performance problems of a propeller. The problems are quickly detected and the prop can be modified or repaired accurately. The scan gives an accurate reading of the problem and this helps to correct vibrations and slippage when repairing the prop.
The tools required for removing and repairing props are screwdrivers, ratchets, hammers and many other automotive tools. It is important to keep a spare prop for possible collisions with underwater obstacles and to learn the basics of prop replacement as a safety measure. A pair of rubber gloves is necessary when handling a boat propeller because the blades can be very sharp.
The digital age has impacted the boat prop industry and many digital calculators and automated tools are available to help boaters choose the right propeller for their unique needs, diagnose problems and repair propellers with great accuracy. For repairing and replacing propellers the traditional automotive tools are the most effective. However, experts believe that props should not be repaired by the boater. Expert technicians will have the expertise and experience in repairing the propeller to precise specifications. Boaters should carry a spare emergency propeller with the same configuration as the propeller in use and replace the propeller rather than try to repair the propeller.
A propeller having precise computer calculated specifications and fitted carefully with traditional tools to the specifications in the engine manual will give hours of excellent propulsion for the boat.
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