BLOWER OR PNEUMATIC ELEVATORS. 183 



tions of various lengths from four to ten feet as desired), which 

 requires but a few moments. This operation requires but little 

 time as compared with that occupied in setting up or taking apart 

 the chain elevator. 



The Blower Machine is clean in operation, placing all of the 

 corn in the silo and there is no litter around the machine when 

 the filling is finished. 



The action of the fan paddles is such that the corn is made 

 much finer and it therefore packs closer in the silo, thus enabling 

 more fodder to be stored in the silo; the corn is all knocked off 

 of the pieces of cobs and distributed through the cut fodder better, 

 and the pieces of the heavy butts and joints are also split and 

 knocked to pieces, all of which reduces the silage to a fine condi- 

 tion so that it is eaten up cleaner by the stock. 



The fan or blower device is also likely to be more durable 

 than the chain elevator. 



The "Ohio" direct drive construction with pulley, knife cylin- 

 der and fan all on main shaft, is unique among silage cutters and 

 is thoroughly covered by patents. Its large fan permits full 

 capacity at low speed so that it never explodes or blows up. 

 The feeding mechanism can be started, stopped or reversed 

 with a single lever. The reverse is entirely by wood friction. 

 There is not the slightest strain on the machine; not a gear tooth 

 changes mesh. The machine cuts all kinds of fodder from % to 4 

 inch lengths as desired, with a perfectly adjusted shear cut. 



Many have been skeptical as to the ability of the Blower to 

 elevate the material as rapidly as the "Ohio" Machines cut it. 

 This proposition, however, has been proven entirely feasible and 

 successful, and there positively need be no fear on this point 

 if the following points are kept in mind. 



The machine must be run at the proper speed as recommended 

 by the manufacturers. A fan can only create a sufficient blast 

 by running fast enough to force the air through the pipe at 

 the rate of nine or ten thousand feet per minute. Green corn 

 is heavy stuff and requires a strong current of air to carry it 

 through 50 or 40 feet of pipe at the rate of 10 to 30 tons per 

 hour. It will be seen, therefore, that unless proper speed be 

 maintained there will be no elevation of the material whatever. 

 If the power at hand is not sufficient to maintain full speed when 



