Locomotive of To-Day 1904 Hard Cover Boiler Engine Framing Wheels
The Locomotive of To-Day
Hard Cover
180 pages
Copyright 1904
CONTENTS
SECTION I.-THE BOILER. Firebox, Barrel, Steam Dome, Lagging, Joints, Rivets, Stays. Palm Stays, Longitudinal Stays, Belpaire Firebox, Stiffening Rings, Firehole Joints, Firedoors, Air Deflecting Plates, Tubes, Tube Ends and Materials, Serve Tubes, Evaporative Power, Heating Surface, Brick Arch, Circulation of Water, Firebars, Rocking Grates, Air Jets, Ashpan, Smokebox, Steam Pipe, Extended Smokebox, Chimney, Formation of Scale, Blast Pipes, Variable Blast Pipes, Petticoat Pipes, Blowers, Capacity of Boiler, Regulators, Priming, Safety Valves, Pressure Gauges, Water Gauge Columns, Test Cocks, Fusible Plugs, Blow-off, Injector, Steam and Blower Cocks, Whistles, Feed Pumps and Injectors, Exhaust Injectors, Fuels, Combustion, Firing .. . . Pages 7-62
SECTION II.-THE ENGINE. Cylinders, Ports, Stuffing Boxes, Drain Cocks, Pistons, Piston Rings, Piston Rods, Metallic Packing, Tail Rods, Slide Bars, Crossheads, Connecting Rods, Connecting Rod Ends, Slide Valves, Valve Buckles, Piston Valves, Lap, Lead and Action of Slide Valves, Valve Gear, Fork and Link Motions, Shifting Link \lotion, Links, Eccentric Rods, Intermediate Valve Spindles, Stationary Link Motion, Straight Link Motion, Motion Details, Valve Setting, Joy's Valve Gear, Hackworth's Gear, Walschaert's Gear, Morton's Gear, Reversing Lever Rod and Screw, Steam Reversing Gear, Steam in the Cylinder, Cut off .. .. .. .. . . Pages 63-117
SECTION III.-THE FRAMING, WHEELS, ETC. Frames, Stays, Footplates, Bar Frames, Horn blocks, Axle boxes, Wheels, Balance Weights, Tyres, Axles, Crank Axles, Journals, Coupling Rods, Springs, Compensating Beams, Bogies, Bissel Truck, Radial Axle boxes, Sanding Gear, Buffers, Couplings, Lubricators.. Pages 118-158
SECTION IV.-THE TENDER, BRAKES, ETC. Frames, Springs, Couplings, Water Tank, Coal Space, Spring Gear, Feed Pipes, Lamp Irons, Water Scoops, Water Scoop Gear, Brake Gear, Brake Blocks, Steam Brake, Condensing Arrangements, Double Engines, Rack Rail Pages 159-178
SECTION V.-EXAMPLES FROM MODERN PRACTICE. Four-Coupled Bogie Express Engine, L. & Y. R. Eight-Coupled Compound Goods Engine, L. & N. W. R. Single Bogie Express, G. N. R. Four-Coupled Bogie Express Engine, Pennsylvania R.R. Four-Coupled Bogie Express, Belgian State Rys. Four-Coupled Three-Cylinder Compound Express Engine, Midland Ry. Four-Coupled " Atlantic " type Express Engine, Great Central Ry. Six-Coupled Goods Engine, Furness Ry. Six-Coupled Bogie Goods Engine, G. W. R. Consolidation Compound Goods Engine, Austrian Southern Ry. Four-Coupled Bogie Side Tank Engine, G.E.R. Four-Coupled Double End Side Tank Engine, Barry Ry. Ten Wheeled Four-Coupled Bogie Side Tank Engine, G. N. R. Six-Coupled Saddle Tank Engine, Metropolitan Ry. Six-Coupled Radial Side Tank Engine, L. & N. W. R., and Eight-Coupled Tank Engine, G. N. R. .. .. .. .. Pages 179-194
LIST OF ILLUSTRATIONS.
FIGPAGE
1. Modern locomotive boiler8
2. Locomotive boiler stays ..12
3. Belpaire firebox 14
4. Firedoors, tubes and foundation ring joints ........18
5. Smokebox, chimneys and ashpans..........24
6. Blast pipes and steam blowers ............30
7. Regulators................34
8. Safety valves and pressure gauges........40
9. Water gauges, check valves, whistles, etc. ........46
10. Water injectors ..............50
11. Exhaust steam injector ............54
12. Combustion diagram..60
13. Inside Cylinders ..64
13A. Outside Cylinders68
14. Pistons, rods and stuffing boxes..........70
15. Crossheads74
16. Connecting rod ends..78
17. Slide and piston valves ..82
18. Stephenson or shifting link motion........90
19. Gooch or stationary link motion94
20. Allan or straight link motion ..96
21. Joy's valve gear ................102
22. Walschaerts' valve gear ..108
23. Reversing gear arrangements ..........110
24. Framing for single bogie engine..........118
25. Bar framing for American engine..........122
26. Hornblocks, axleboxes, etc.............126
27. Wheels, axles, etc.130
28. Springs and gear ..138
29. Four-wheeled bogie..142
30. Bissel truck and radial axleboxes..........146
31. Sanding gear, buffers, etc.............150
32. Lubricators..............154
33. Six-wheeled tender..............160
34.Tender details..............164
35. Water pick up and details...........166
36. Engine brake arrangement..........170
37. Condensing arrangement for tank engine......174
PLATES.
I. Express engine, Lancashire & Yorkshire Ry. (frontispiece.)
II. Mineral engine, L. & N. W. Ry. (frontispieces.)
III. Single express engine, G. N. Ry.
IV. Four-coupled express engine, Pennsylvania Ry.
V.Belgian State Rys.
VI.3-cylinder compound, Midland Ry.
VII.Great Central Ry.
VIII. Six-coupled goods engine, Furness Ry.
IX.17G. W. Ry.
X. Eight-coupled compound, Austrian Southern Ry.
XI. Four-coupled tank engine, G. E. Ry.
XII.Barry Ry.
XIII.G. N. Ry.
XIV. Six-coupled tank engine, Metropolitan Ry.
XV.L. & N. W. Ry.
XVI. Eight-coupled tank engine, G. N. Ry.
WORKING DRAWINGS.
I. General arrangement of express engine, G N.R.
II. Cross section through cylinders.
III.firebox.
INTRODUCTORY
The modern locomotive, as we see it to-day, incorporates the combined efforts of many master minds, and although the general character of the earlier engines has not been radically departed from, the details have been greatly improved and the dimensions considerably increased. This addition in size is not so apparent when comparing English engines as foreign ones, for the reason that the loading gauge adopted for the English railways is more limited than that chosen by our friends over the seas ; consequently our locomotives not only have, but probably always will have, to be more closely built.
A comparison of weights will give a more graphic impression : where the engine of 1830 only weighed from 8 to 10 tons, that of to-day often turns the scale at between 45 and 50 tons, yet the height from rail to chimney is approximately the same, and the extreme width will only vary a few inches. The locomotive of 1900 is more solid and compact than its predecessor of 70 years ago.
Our remarks are confined chiefly to the details of British locomotives, but at times reference is made to Continental and American practice, as comparison often adds interest. Each section is devoted to some member of the locomotive organism, and as the engine must primarily be dependent for power on its steam generator, we take first the boiler, following with the engine, cylinders, motion, etc., and finally deal with the carriage, running gear and tender.
The contents of this book have been carefully revised since their original appearance in The Locomotive Magazine, and illustrations of some typical examples of modern practice added, together with their chief dimensions.
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