* Bridge drive(travelling) speed(min) : V = m/min * Bridge drive(travelling) speed(sec) : Vs = m/sec * Rated load : R = ton * Hook(attachment) weight : A = ton * Trolley self weight : T = ton (trolley frame & trolley drive & hoisting device & acc.) * Bridge self weight : B = ton (girder & saddle(rocker) & bridge drive & acc.) * Bridge wheel dia. : Dw = cm * Bridge wheel shaft dia. : Ds = cm * Me..
