5.11m. A pinion and gear of 13 and 24 teeth, respectively, are to be cut by a 6-module, 20 hob to operate at a center distance of 115.9 mm. Calculate the pressure angle at which the gears will operate and the value of e, and e2. Let e, and e2 vary inversely as the number of teeth. Check e, to see if it is large enough to prevent undercutting. Determine the outside radii of the gear blanks, the depth of cut, and the contact ratio