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Ex.8-20 foot panels =160ft X 3.14 or 480 ft roughly.


Powdr, I did not quite understand you math. Shouldn't you divide by pi instead of multiply. ie. 8-20 foot panels=160 ft divided by pi (3.14......)=50.930 divided by 2=25.46 or 25'6" for your string length? miles


Look out for number 1, don't step in number 2.