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[TCML] how much wire




Hello,            Figuring  wire length  for a conical coil.  Take circumference of  base,... circumference of top , add & divide by two , then use the basic  TPI ??                For a cone 9" bottom , 4" top ,  12" high , and approx  400 turns  ,  840 feet should more than do the job ?                   Thanks for any help ,  (mathematically challenged ) daveB   ,,,,   any good heavy build  #22 wire for sale ? 		 	   		  _______________________________________________
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