. Locomotive engineering : a practical journal of railway motive power and rolling stock . r-tain notch in the quadrant, or, in otherwords, a certain point of cut-off, where anengine does better work, does it easier,pounds less and burns less coal than atany others. There is a reason for this. The loco-motive is a machine designed to developa varying horse-power, and to run at va-rious speeds, according to load, grade, locomotive has yet been built that willdo equally good work in the different little difference at what point of cut-offan engine is worked, but in practice wefind it does
. Locomotive engineering : a practical journal of railway motive power and rolling stock . r-tain notch in the quadrant, or, in otherwords, a certain point of cut-off, where anengine does better work, does it easier,pounds less and burns less coal than atany others. There is a reason for this. The loco-motive is a machine designed to developa varying horse-power, and to run at va-rious speeds, according to load, grade, locomotive has yet been built that willdo equally good work in the different little difference at what point of cut-offan engine is worked, but in practice wefind it does, and that considerable. In the May, 1899, number of Locomo-tive Engineering, page 209, Mr. T. , in explaining why a locomotivealways pounds more on the left side,showed how the right side of a right leadengine, working in forward motion, tookup the lost motion in the left side in thedirection opposite the steam thrust on thepiston at each end of the stroke. This explanation is eminently correct,but does not always obtain under all con-ditions. There is a point of cut-off where. LONE ROCK—LOWER DELLS. ty a reduced tonnage rating, where ratingis excessive, obtain 54J4 per cent, morework out of an engine with 12^ per cent,less fuel, we will now consider the sub-ject of engine maintenance by the two•different methods of rating engines. In riding over the road with differentengineers you will notice that all have afavorite notch—the notch they delight towork their engines in. Here is where she does her bestwork, they say. If for any cause, such asan unusually heavy train, they have to■drop the lever lower, they kick, with theremark: Guess they want me to tear herall to pieces. Well, I can stand it if theycan. They with a road man means-everyone connected with the movement of points of cut-off. What is meant by thatis, an engine that will handle a certaintonnage at a certain speed, cutting off atone-third stroke, will not handle an in-creased tonnage at the same spee
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroa, bookyear1892
