At final stage of converting bike to IGH as specified above.
Stuck at calculating spoke length.
Wheel rim is by Rigida (no model info is available, )---several measurements give ERD (from base of spoke/nipple to opposite) of 532mm. Plugging in data Spocalc and also #1 Wheel Building SPOKE CALCULATOR Now Online | PROWHEELBUILDER
gives spoke lengths of 223.8mm and 223.1mm
This seems on the low side.
2*spoke length + flange diameter of hub = 224 + 224 + 93 = 541mm -- only 9mm more than ERD of 532mm.
This does not take into account the spoke length inside the rim and the fact that the spoke is angled wrt the plane of the wheel.
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