Sheet1Rope Capacity of a Winch Drum CalculatorBy Dave Strauss 10/8/03Rope Dia.(D) Inches1.0000Traverse (A) inches19.5Flange Diameter (B) inches8Barrel Diameter (C) inches3.5Total Length on Drum in Feet =66Total Feet to PurchaseInches =Decimals5/16" =0.31253/8" =0.3751/2" =0.5Rope Dia2 (D2)19/16" =0.5625B2645/8" =0.625C212.253/4" =0.75B2 C251.7515.3 D215.3DETERMINING LENGTH OF ROPE THAT CAN BE PUT ON A WINCHThe formula for rope capacity on a winch drum is:Rope Capacity in Feet = A(B-C)(15.3D)

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