ANDERSEN 12 ST FS Self-Tailing Manual Single Speed Winch - Full Stainless
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p strong 12 ST FS Self-Tailing Manual Single Speed Winch - Full Stainless strong p p strong Power Rib trade strong p p ANDERSEN Winches feature the Power Rib trade Unlike other winches with abrasive drum surfaces ANDERSEN winch drums have vertical ribs running up the surface This combined with the smooth polished stainless steel gives a maximum grip and minimum wear on ropes reducing the replacements costs of sheets and halyards What rsquo s more the Power Rib principle simply makes sailing more pleasurable Fewer turns on the winch make tacking easier Sheets can be gently eased out without harsh snatching and the risks of overrides and jammed sheets are significantly reduced The grip provided by the ribs will remain the same year after year unlike many other winches with an abrasive or sandpaper-like surface Such surfaces have a tendency to wear down both ropes and themselves p p strong Power Ratio strong p p Power Ratio is the mechanical advantage of the winch and is calculated as follows p p u length of handle x gear ratio u nbsp br nbsp nbsp nbsp nbsp nbsp radius of drum p p 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 p p 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 p p strong Specifications strong p ul li Drum Oslash D 2-3 4 li li Base Oslash B 4-1 2 li li Height H 5 li li Line Entry L 1-3 4 li li Line Size 5 16-9 16 li li Weight 5 7lb li li Gear ratio 1st speed 1 3 1 li li Power ratio 1st speed 9 5 1 li ul --- cis2 mmxtmJVt --- br
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