The propeller of your outboard engine: a key choice
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The choice of the propeller is essential, it influences the performance, driving and speed of your boat.Like tires on a car, it transmits the power of the engine to the sea.
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The dimensions of the propeller:
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The propeller itself has dimensions;but these dimensions must be in line with the characteristics of your engine but also those of your boat.We also recommend that you respect the manufacturer\'s preconizations.
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Choose your propeller on DAM Marine:
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You can search for your propeller by size or reference.You will find a selection of the most common propellers, in stock in our premises;you will need to determine the dimensions of your propeller and the appropriate flow torq kit (moyeu).For high performance propellers but also for all propellers not being referenced contact us directly to define with us your expectations.
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Aluminum, plastic or stainless steel?
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This will depend on the performance of your engine, in general a boat engine with a power of less than 100cv is equipped with an aluminium propeller, less solid and deforming faster but much less expensive than the stainless steel propeller, which is suitable for high speeds as the flood deforms less than aluminum when it faces high speeds.
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What is the step and diameter of the boat propeller?
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The propeller pitch
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The propeller pitch is the theoretical distance travelled by the propeller of your boat in 1 lap that is calculated in inches (such as the diameter of the propeller).Thus, a 21\" boat propeller advances in the theory of 21 inches in a rotation, however it is necessary to take into account the various frictions between the parts of your engine that will slow down your propeller, that is what is called the slip of the propeller.The actual step is calculated by: not theoretical - slip.
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The diameter of the propeller
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Imagine a round box in which the propeller just enters;the diameter of this circle is that of the propeller.At constant pace, the larger the diameter, the more the engine is asked to move the propeller.As the diameter is limited by the engine\'s anti-ventilation plate, it is possible instead to increase the number of blades.With more blades, the same thrust surface is retained as with a upper diameter propeller.One must remember that a propeller 14 x 21 has a diameter of 14 inches and a step of 21.
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Choose her propeller boat
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DAM Marine offers propellers for all types of packages ranging from Volvo Penta to Mercruiser, to WTO.To choose your propeller, it will be important to define the diameter and step you want as well as the material, that is why you are advised to contact us before validating your order.However, if you are sure of yourself, but we do not have the reference, do not hesitate to contact us neither.
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