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Coffee Library
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Helical Drum Vane Radius Formulas July 07, 2015 allenb -- 201 0 --
Helical Drum Vane Radius Formulas The calculations give you one vane traveling 360 degrees. For calculating the radius values for a vane only traveling 90 degrees (for a 4 vane drum) Im assuming you will need to use (pi x diameter) /4 in steps 1 and 2 for the right triangle base.
Cupping With George August 29, 2007 ginny -- 269 0 --
Cupping With George
All About Coffee - Ukers April 07, 2007 ginny -- 636 0 --
All About Coffee - Ukers