Our frequent contributor Mark Grizotsky writes with additional information on the subject of straight-sided spline shafts. “When we find a trapezoidal profile or form for the angle of the tooth of a ...
WHAT YOU NEED: A ruler, pens, scissors and paper. Image caption, STEP 1 - TRAPEZIUM x 2: On a rectangular piece of paper, use a ruler to draw two angled lines from the bottom corners to make a ...