. Canadian machinery and metalworking (January-June 1919). rs are station-ary, the crankshaft revolving. In the rotary type, the cylinders areset radially around a fixed crankshaft,the cylinders and crankcase of this type are the , LeRhone, Clerget, and Monosonpape. The radial engine is in appearancevery similar to the rotary, having itscylinders set in like fashion around thecrankcase, but they are stationary andare usually water-cooled, the crankshaftitself revolving. An example of thistype is the Salmson Canton-Mane. Theradial type will be but little referred to,as it
. Canadian machinery and metalworking (January-June 1919). rs are station-ary, the crankshaft revolving. In the rotary type, the cylinders areset radially around a fixed crankshaft,the cylinders and crankcase of this type are the , LeRhone, Clerget, and Monosonpape. The radial engine is in appearancevery similar to the rotary, having itscylinders set in like fashion around thecrankcase, but they are stationary andare usually water-cooled, the crankshaftitself revolving. An example of thistype is the Salmson Canton-Mane. Theradial type will be but little referred to,as it is only used in small numbers. The Rotary Engine The rotary engine, being the most im-portant from an aviation standpoint, re-quires further description. What is theprinciple governing its operation, or inother words, why does it revolve? On January 16, 1919. C A X A I) I A N M A C II I N I! R Y 53 examination of the diagram it is foundthat in any rotary engine there are twocentres of rotation, A being the centreof rotation for the pistons, around which. FIG. .3d CURTIS ENGINE the pistons revolve at a fixed radius;I! the centre point around which thecylinders and crankcase revolve. Theinee between these two centres is ap-proximately half the stroke of the diagram shows a piston in aslightly exaggerated position of explo-sion. The point C represents thegudgeon pin and the arrow P repre-sents the thrust on the piston head dueto the explosion of the gases in the cyl-inder. When an explosion occurs theforce P is exerted in the direction of( to A. This, of course, is due tothe fact that the pistons are connectedto the point A through the medium ofthe connecting rod. There is also an-other force in the direction of C to
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmachinery, bookyear19
