In an epicyclic gear of the sun and planet type shown in Fig. the pitch circle diameter of the annular wheel ‘A’ is to be nearly equal to 216 mm, and the module s 4 mm. When the annular wheel is stationary, the spider which carries three planet gears ‘P’ of equal size, has to make one revolution for every five revolutions of the driving spindle carrying ‘S’ gear. Determine the number of teeth on all the wheels and also the exact pitch circle diameter of ‘A’
