. Farm machinery and farm motors. CORN MACHINERY 223. teeth called splitters may be attached to split the ends ofthe stalk before they are cut off. The second type of cutter head is the one which carriesa spiral knife. The cutting edge is always the same dis-tance from the shaft (Fig. 169). The knife may be pro-vided with saw teeth for handling dry feed to betteradvantage. 306. The feeding table is provided on the larger powermachines with an end-less apron to carry thefodder to the feed speed of the feedrolls and the apron iscapable of adjustment fig. 169-A spiral kx, k headfor vari
. Farm machinery and farm motors. CORN MACHINERY 223. teeth called splitters may be attached to split the ends ofthe stalk before they are cut off. The second type of cutter head is the one which carriesa spiral knife. The cutting edge is always the same dis-tance from the shaft (Fig. 169). The knife may be pro-vided with saw teeth for handling dry feed to betteradvantage. 306. The feeding table is provided on the larger powermachines with an end-less apron to carry thefodder to the feed speed of the feedrolls and the apron iscapable of adjustment fig. 169-A spiral kx, k headfor various rates of feed and coarseness of cutting. 307. Elevators are of two general types: double-chainconveyor or web-carrier elevator, and the carrier elevator is satisfactory except for very highlifts. The long webs are a source of trouble. It is eco-nomical to build silos high; hence the use of pneumaticor wind elevators. It is necessary to keep the elevatorpipe almost perpendicular, or the silage will settle to oneside and not be carri
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