. Locomotive engineering : a practical journal of railway motive power and rolling stock . make a difierenceof 30 pounds between the inain reservoirand auxiliary pressure. This causes thetriple piston to travel the full limit intothe part of the cylinder which is leastworn in the case of an old valve. I havefrequently found those which would re-lease from the emergency position butwould not release from the service posi-tion on account of the cylinder being would necessitate the dressing outof the unworn portion, or, better yet, therenewal of the bushing. On our repair track we use a
. Locomotive engineering : a practical journal of railway motive power and rolling stock . make a difierenceof 30 pounds between the inain reservoirand auxiliary pressure. This causes thetriple piston to travel the full limit intothe part of the cylinder which is leastworn in the case of an old valve. I havefrequently found those which would re-lease from the emergency position butwould not release from the service posi-tion on account of the cylinder being would necessitate the dressing outof the unworn portion, or, better yet, therenewal of the bushing. On our repair track we use a diaphragmwhich will allow the pressure under ahead of 90 pounds to increase in the trainline from o to 70 pounds in two minutes,and at present this gives our repairmenall the work that they can attend to. Anyleak in the train line or connections afterthe diaphragm has been established, ofcourse, draws the test proportionatelyfiner. If any of our friends have a better sys-tem I believe he would confer a favor onair-brake men generally by making itknown. The only question in my mind is. FIG. subject, but there seemed to be no definitedecision arrived at. During the past ten years I have givenconsiderable attention to this matter, andhave found the following practice quite assatisfactory as any I know of: All re- whether the above test is sufficiently finefor all practical purposes. It certainly hashad the effect of lessening the number ofsticking brakes and flat wheels under myobservation. G. S. Hale, Oakland, Cal. So. Pac Ry. September, igoo. Object Lesson in Brake Beam Sus-pension. Editor: I would like to present to you some in-formation coming to my notice, that a cor-rect understanding of the matter of out-side, hung brakes on passenger cars maybe obtained. I have read and reread thevery vahiable paper in the Air-Brake As-sociations 1898 Proceedings, by , and clearly see (at least think so)the advantage of superior braking forceby having inside hung brakes on pas
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroa, bookyear1892
