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Andersen Stainless Steel Sheet Winches
Description
The choice for uncompromised ANDERSEN performance in a manual winch, our Standard Self-Tailing Winch is perfect for the sailor seeking convenience and reliability. It incorporates our exclusive self-tailing mechanism that automatically accommodates a wide range of different sheet and halyard sizes allowing each winch to serve numerous onboard purposes. From raising sails to trimming sheets, these winches provide the reliable power you need for smooth sailing. As with all ANDERSEN Winches™, our Standard Self-Tailing winch features the exclusive stainless steel Power Rib™ drum for maximum power and extended line life. This unique drum design uses vertical ribs to firmly grip the line, requiring fewer turns to achieve the same line-holding grip when compared with conventional winch drums. The smooth surface is also corrosion free and far less abrasive to your sheets and halyards to extended the life of your lines.
The Power Ratio is the mechanical advantage of the winch and is calculated as follows:
(length of handle x gear ratio) divided by the radius of drum
The pull of the winch is based on the Power Ratio and not just on the physical size of the winch or the diameter of the drum. The Power Ratio is used to determine the load the winch may handle as follows: pull of handle (kg x Power Ratio = pull of winch (kg).
This means that by applying a load of 10kg, using a 10" standard handle, on a Power Ratio 40:1 winch, the winch can pull 400kg, assuming that the winch is 100% efficient. This is not possible in practice as the efficiency is reduced by internal mechanical friction losses.