222 FARM MACHINERY 



simply the adaptation of the cutter for dry feed to the 

 cutting of green crops. 



305. Cutter heads. Two types of cutter heads are to 

 be found upon the market, which differ in the shape of 



FIG. 167 AN ENSILAGE CUTTER WITH SELF-FEEDER AND PNEUMATIC 



ELEVATOR 



knives used and the direction in which the fodder is fed 

 to them. The radial knife is fastened directly to a flywheel, 



which may also carry the fan 

 blades for the stacker. The 

 advantage of this type lies in 

 the fact that it has plenty of 

 clearance and the chopped 

 fodder does not have any dif- 

 ficulty in getting away from 

 the cutting head. The knives 

 are usually set at an angle to 

 give a "shear cut." To this 



