The dimensions of a propeller are usually stated with two measurements, for example 14 x 17 (this does not apply to DP (duoprop) propellers, the dimensions of which are stated by means of a special sizing code). The first of these two measurements refers to the diameter of the propeller - 14" (A). The socond measurement refers to the pitch of the propeller - 17" (B). |
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A rotating propeller describes a circle (A) - the diameter of this circle is also the diameter of the propeller. |
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The pitch of the propeller refers to the distance (forwards or backwords) the propeller moves in describing one complete rotation - this can simply be linked to a screw being screwed into a piece of wood. As water is not a solid substance the propeller will move some 70 to 90% of this distance, (D). The remaining 10 to 30% difference is known as "slip", (C). |
![]() | High speed propellers The increased blade area of the high speed propeller makes it most suitable for use with high power engines and at high revs. In a fast boat this not only means increased speed, it also means that a heavily loaded boat will plane more quickly and enjoy better fuel economy. The high speed propeller's excellent reversing characteristics also means faster and safer quayside manoeuvring. |
![]() | Full scale 2-, 3- and 4-blade bronze propellers. Available for shaft diameters from 25mm up to 45mm. |
![]() | Folding propellers – 2-, 3- and 4-blades. |
All propellers are available for left and right rotation.
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Please, choose which type Volvo Penta propeller you need: |
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Single/Duoprop Propellers Folding propellers |