thats not close to what i am getting ... by your equation , it comes out to .44376 " ...
i started winding with a width of 0.6" , and due to the tightness of my winding , it bulged out to 0.7 " tward the outer windings..
My wire diameter is 0.043 " , pretty thick wire..
and the reason i need...
i am looking for an equation (integral) , so that i can predict what width to make a coil of wire , of certain length ,and thickness, so that it comes out to an outer diameter of 1.5" with an inner diameter of .5"..
i usually spend my time in the engineering section , but i thought that i would...