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Andersen #72ST Self-Tailing 2 Speed Full Stainless Steel Winch

Item #

RA2072010000

Product Description

Andersen #72ST Self-Tailing 2 Speed Full Stainless Steel Winch

Features:

  • Aesthetically appealing

  • A prerequisite for those yachtsman wanting their yacht to look its best.

  • Full Stainless Steel - synthetic cap and bases are replaced with stainless steel parts

    Power Ratio

    Power Ratio is the mechanical advantage of the winch and is calculated as follows:

    length of handle x gear ratio /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.

    Specifications

  • Winch Model - #72 ST FS

  • Drum Diameter "D" - 140 mm (5 1/2")

  • Base Diameter "B" - 280 mm (11")

  • Height "H" - 273 mm (10 3/4")

  • Line entry height "L" - 120 mm (4 3/4")

  • Line size - 10 - 18 mm (3/8" - 11/16")

  • Weight - 24.5 kg (54 lbs)

  • Gear Ratio 1st speed - 5.8 : 1

  • Gear Ratio 2nd speed - 20.3 : 1

  • Power Ratio 1st speed - 20.7 : 1

  • Power Ratio 2nd speed - 72.6 : 1

  • Service Kit 13 - Click Here for Service Kit