> could be expensive (even though its only like 2000ft). The table I used > suggested a 4:1 ratio for a 24 inch coil, indicating 8 x 24, however, what > would happen if I were to, say, do it with a 6 inch diameter, or even Did I read that right ? why does 4:1 ratio and 24 inches indicate 8x24. Four eights are 32 aren't they, I was never any good at multiplication. ;-)