INDEX A ACCESSIBILITY of Walschaert gear, 131, 132 Adaptability of Walschaert valve gear, 142, 143 Adjustment of Walschaert valve gear, 102 Advantages derived from the use of Walschaert gear, 129–148 Allan valve gear, and the Allen valve, 102 Analysis of the Walschaert gear, 11-92 B BAKER-PILLIOD improved valve gear, 228 Advantages in securing the short travel of the valve on Combination lever, if broken short, how arrange, 235 Engine disabled on one side, how to block the valve, 233 Baker-Pilliod valve gear, 222 to 236 inclusive Original style with outside admission, 224 With inside admission, 228 Baldwin engine with Walschaert gear, 65 to 67 inclusive Belgian engine with Walschaert valve motion, 80 to 87 inclusive "Blocking the valve"-what is meant, and how it is done, 171 Breakage of lower section of combination lever, or its link to the Break-downs on the road. Difference in methods of disconnec- tion of Walschaert and Stephenson gears, 170, 171 Broken radius-rod hanger, 178, 179 Broken valve-stem, 179, 180 Building up the Walschaert gear: The start, 28 Built-up Walschaert gear complete, 42 C CASE of broken or detached piston-what to do, 182 Combination lever, 29 Combination lever (lap and lead lever) for inside admission valves, Combination lever (lap and lead lever)-to determine proper Comparative weights of Walschaert and Stephenson valve gears, Confusing in the meaning of lead, 158 Connections of the eccentric rod, 43 Constant lead with reverse lever in any notch, 38 Continuing the layout of the gear, and formulas, 105 to 109 Correcting the built-up motion, 40, 41 Correction of one error introducing others, and their relief, 167 'Cut-off," meaning of, 160 D DE GLEHN compound engine with Walschaert gear, 67 to 69 Derivation of lead through the Walschaert combination lever, 157 Designing and erecting the Walschaert valve gear, 95–126 Details of the Walschaert link, 44 to 49 inclusive Difference between Walschaert and Stephenson motions, 151, 152 Different methods of erection, 49 to 51 inclusive Directness of Walschaert motion, 138, 139 Direct valve motion, 20 Disconnection of radius rod. Method of doing it, 176, 177 Does the radius rod give motion to the valve, with reverse lever Does the rise and fall of the engine on springs affect the valve's E ECCENTRIC rod broken. How to proceed, 179 Eccentric-rod connections, 43 Eccentric rod, testing for length of, 192 to 194 inclusive Effect of valve advance to secure lead, 25 Engine standing as last mentioned, if valve is not exactly cen- Enumerating the chief advantages of Walschaert gear, 129 to Equalized cut-off, Walschaert vs. Stephenson gear, 161, 162 Erecting and designing the Walschaert valve gear, 95-126 Erection, different methods of, 49–51 Evolution of valve motion, II F FORMULAS for lay-out of the gear, 105–109 GEAR, reversing, 37-39 G General effects of lead, 143-148 General notes for adjusting Walschaert valve gear, III to 113 H HACKWORTH Valve gear, 198 to 204 inclusive Heating of driving-boxes prevented by adoption of Walschaert Heaviest engine, and fastest engine, have Walschaert gear, 67 Heaviest switching engine (decapod) with Walschaert gear, 75 Broken combination lever, how to provide for getting along Chart showing valve events, 215 Compression-valve rod, breakage of, 217 Cylinders and valves, 204 to 212 Eccentric rod or eccentric crank failure, how to overcome trouble, 219 If radius bar fails, what to do, 222 Main valve-rod, breakage of, 217 Questions and answers on break-downs, 217 to 222 Reach rod, reach-rod arm, or reverse shaft, if broken what Reverse link or reverse arm, what to do if broken, 218 Hobbart-Allfree, Transmission bar failure, what to do, 219 'Hooking-up," meaning of, 160 How to get along with broken valve stem, 179, 180 How to proceed with Walschaert eccentric rod broken, 179 How Walschaert eccentric rod can be changed in length, 167, 168 I If lead is not desired could the combination lever be dispensed Indirect valve motion, 26 Inside vs. outside admission valve, 16 Inspection of the erected gear, IOI Instructions for using cardboard valve models on the folder Introducing cut-off, 33 Invention of Walschaert valve gear, 12 Is increase of lead desired? Does the established amount of lead K KIND of eccentric used with Walschaert and Stephenson valve L LAP and lead, changing the, 194 Lap and lead; cut-off, 17, 18 Lap and lead with Walschaert gear, 30 to 32 inclusive Location of suspension of the Walschaert link, and carriage of the Location of suspension of Walschaert link, 76 to 80 inclusive Long's diagram of valve events, 109 to III inclusive |