The sprocket is positioned between the universal joint and {HEAD ~ the free end portion} of the drive shaft, to maximize the distance therebetween, and thereby minimize {TAIL ~ the included angle} required of the universal joint 
The sprocket is positioned between the universal joint and { HEAD ~ the free end portion } of the drive shaft , to maximize the distance therebetween , and thereby minimize { TAIL ~ the included angle } required of the universal joint
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH