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#1
30-10-09, 06:48
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Phil
Back then ,I would say your winch is rated in long tons. Short tons were used for shipping purposes.
Now Tony's going to say something profound
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Bluebell Carrier Armoured O.P. No1 Mk3 W. T84991 Carrier Bren No2.Mk.I. NewZealand Railways. NZR.6. Dodge WC55. 37mm Gun Motor Carriage M6 Jeep Mb #135668 So many questions.... Last edited by Lynn Eades; 30-10-09 at 08:21. 
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#2
30-10-09, 07:02
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Or we can try to calculate it?
 The Ford Engine makes 178 ft lbs of torque. Multiply by 6.4:1 1st gear gives 1139.2 ft lbs. Multiply by the winch ratio of 6.66:1 gives 7587 ft lbs. What is the diameter of the winch drum? If we hypothetically say the layer of cable is 8 inches from the centreline if the drum (divide by .66), that gives us 11495 lbs of pull. The Chev engine will have different torque (170 ft lbs @ 1200) and gear (7.058 to 1) figures, and the actual diameter of the drum needs to be measured, but are we in the ballpark? Last edited by Tony Smith; 30-10-09 at 07:09.
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