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Old 03-22-2012, 01:38 PM   #196
Guest021715
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Join Date: Apr 2010
Posts: 7,242
Not sure if these help too much, or if a slope estimate can even be calculated from my bad pictures.
I suppose since the spirit leveler is 30cm long, and rises 1.8cm at most, the Rise/Run = 6% Grade




Last edited by Guest021715; 03-25-2012 at 01:53 PM.
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