Shafts – a user’s guide
As boaters we all have a first hand knowledge of transferring motive power to the propeller in some
way or another. However, in the specialist field of racing boats there have been a few refinements
to the well-tried methods and these are described in this article. In the main there are two types of
power transmission: first by a flexible shaft and second by a rigid shaft, but now there are relatively
new hybrid systems which might be of interest to boat builders.
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Cooling systems
Most model power boats require a cooling system of some sort to take away excess heat from their
power units so that they can run under optimum conditions. The common media used for cooling
are water and air.
Please click the link below to download a PDF document generously provided by one of our members.
Water
Model powerboats depend on water in one way or another. However, sometimes water can be too
much of a good thing.
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