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  • Tow Loop Strength

    Discussion in 'Calculations' started by Paul, Nov 29, 2011.

    1. Paul

      Paul New Member

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      How do you calcuate the towing capacity of a tow loop? I am looking at using schedule 80 1/2" black pipe bent in a 2.32" I.D. loop. The pintle hook or hitch pin could be as small as 1" dia.
       
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    3. mvalenti

      mvalenti Well-Known Member

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      Paul,

      Couple of things... First, I'm not sure you can get that tight of a bend with that size tubing and not having it kink. Secondly, It is highly reccommended that you do not use black iron pipe for anything structural! If you must use pipe/tube use DOM (Drawn Over Mandrel) steel tubing. It is much stronger and the chemistry/properties do not vary. Depending where the "black iron" pipe comes from is as varied as the recipie they used to make it. Might I suggest you use a shackle?
       
    4. Paul

      Paul New Member

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      Bend Dia. Correction

      I am sorry the 2.32" was a radius dimension, the I.D. is 4.64.

       

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