APPLICATION Of GRAPHIC METHODS 



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the weight of the balanced fly-wheel and crank-shaft, acting 

 directly through the centre of the main bearing ; L 6 is the 

 resultant of the weight of the connecting rod, compounded with 

 the equilibrant of the force required to give the rod the acceler- 



fy Jf. 



ation (in respect of rotation and translation) which it actually 

 has at the given instant. L (( is the resultant of the weight of 

 the piston compounded with the resistance to acceleration. The 

 loads shown in the figure have been calculated for an actual 



