Norris's Hand-book for Locomotive Engineers and Machinists ... |
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Page 172
... usually reckoned to increase as the cube of the velo- city . On a railroad or turnpike , the force of traction is con- stant , but the mechanical power necessary to move the car- riage increases as the velocity . TRACTION IN LBS . WHEN ...
... usually reckoned to increase as the cube of the velo- city . On a railroad or turnpike , the force of traction is con- stant , but the mechanical power necessary to move the car- riage increases as the velocity . TRACTION IN LBS . WHEN ...
Page 219
... usually between inch and 1 inch . DIAMETER OF BOILER . RULE . - To find the inside diameter of the boiler.- Multiply the diameter of the cylinder in inches by 3.11 . The product is the inside diameter of the DIMENSIONS OF PARTS OF ...
... usually between inch and 1 inch . DIAMETER OF BOILER . RULE . - To find the inside diameter of the boiler.- Multiply the diameter of the cylinder in inches by 3.11 . The product is the inside diameter of the DIMENSIONS OF PARTS OF ...
Page 220
... ; and there appears to be no great objection to this . The following rule will be found to give the diameter of the dome usually adopted in prac- tice . RULE . - To find the diameter of the steam 220 DIMENSIONS OF PARTS OF LOCOMOTIVES .
... ; and there appears to be no great objection to this . The following rule will be found to give the diameter of the dome usually adopted in prac- tice . RULE . - To find the diameter of the steam 220 DIMENSIONS OF PARTS OF LOCOMOTIVES .
Page 221
... usually adopted in practice . RULE . - To find the diameter of the safety - valve.- Divide the diameter of the cylinder in inches by 4 . The quotient is the diameter of the safety - valve in inches . Example . — Required the diameter of ...
... usually adopted in practice . RULE . - To find the diameter of the safety - valve.- Divide the diameter of the cylinder in inches by 4 . The quotient is the diameter of the safety - valve in inches . Example . — Required the diameter of ...
Page 222
... usually given in practice . We may remark , that the area of the fire - grate in practice follows a more certain rule than any other part of the engine appears to do ; but it is in all cases much too small , and occasions a great loss ...
... usually given in practice . We may remark , that the area of the fire - grate in practice follows a more certain rule than any other part of the engine appears to do ; but it is in all cases much too small , and occasions a great loss ...
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Common terms and phrases
abscissa Atmospheric Railway avoirdupois axle blast-pipe boiler brass centre circle circular segments Circum circumference cloth coke conjugate connecting-rod copper crank Cube Root cubic feet cubic foot cubic inch curve cylinder cylinder in inches Dauphiny Decimal or Reciprocal diame diameter distance driving wheels eccentric-rod equal EXAMPLE.-Required find the Area find the Solidity fire-box Fraction or Numb friction Frustum fulcrum fulcrum and valve Gallons gauge give the solidity Height Length horses Hyperbola iron Length of Arc leverage locomotive engine metallic mile morocco motion multiply the sum North Shields ordinate Ounces Parabola pipes piston piston-rod plates Pounds pressure quotient radius rails Railway resistance revolving axis RULE RULE.-Multiply RULE.-To find screw segment shaft side smoke-box spindle square inch Square Root steam stroke subtract thickness throw tion tons trapezium tubes valve velocity Volume whole weight yards Zone