Essential Boat Electrics by Ballam Oliver;Manley Pat;

Author:Ballam, Oliver;Manley, Pat;
Language: eng
Format: epub
Publisher: Fernhurst Books Limited

Wind Turbines

Wind is free, so it would seem logical to harness its energy to generate electricity. However, the average windspeed may not be enough to satisfy your needs. Average annual or seasonal windspeeds can often be obtained from the internet for the region in which you will be sailing.

Types Of Turbine

There are two types of turbine: those with blades like a propeller and those that look more like a vertical cylinder.

The Cylinder Type

These are no more than trickle chargers with outputs in milliamps rather than amps. They will maintain the charge of a battery while the boat is on its mooring, but because they won’t charge a discharged battery in 15 knots of wind, the weekly output is no more than around 15 amp hours. Because of the low output, they usually don’t require a regulator.

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