GOVERNORS 343 
6 lbs. The maximum load on the spring is 258 lbs, Neglecting the moment of 
the weight of each ball, and assuming that the ball and roller ends of the levers 
Fig. 533. 
move in horizontal and vertical lines respectively, find (2) the maximum speed of 
the governor in revolutions per minute, and (b) the load on the spring at minimum 
speed, which is 270 revolutions per minute. 
