. Model engine construction, with practical instructions to artificers and amateurs. Fig. 25. The cylinder (see Fig. 25) is the most importantpart of the engine, and unless accurately made, theengine will turn out a failure under steam. It isa brass or iron casting (brass is the easiest to work),and unless bored by the maker when ordering— 80 MODEL ENGINE CONSTRUCTION. which can be done for an extra shilling or two,and will save much trouble—must be done by theamateur himself. This is a difficult task, and re-quires careful workmanship to insure accuracy. Thecylinder, instead of being cast sol
. Model engine construction, with practical instructions to artificers and amateurs. Fig. 25. The cylinder (see Fig. 25) is the most importantpart of the engine, and unless accurately made, theengine will turn out a failure under steam. It isa brass or iron casting (brass is the easiest to work),and unless bored by the maker when ordering— 80 MODEL ENGINE CONSTRUCTION. which can be done for an extra shilling or two,and will save much trouble—must be done by theamateur himself. This is a difficult task, and re-quires careful workmanship to insure accuracy. Thecylinder, instead of being cast solid, is providedwith a cored passage running through it, aboutyV less than the finished bore is to be. Turn apiece of hard wood on the lathe, drive the cylinderfirmly on to this, and face up both ends, so thatthey are at right angles with the cored bore out the cylinder true, attach it to thelathe face-plate by means of three dogs or clamps, gripping the flange of one end all round. Be sure * that, when the cylinder is chucked in the lathe,the centre of the cored pa
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectmachinery, bookyear18
