Maurer, Edward R. (Edward Rose), b. 1869 · New York : John Wiley & sons, inc.; [etc., etc.] · leaf 222
to 10 up to 30 to 35 miles per hour the resistance is practically constant. Schmidt, in the bulletin already mentioned, gives formulas for train resistance (per ton) for trains consisting of cars of different average weights; also the following as an approximation _ V -\- 39.6 — 0.031 w4.08 -{-… … 20 40 60Tons per Car. Fig. 338 2IO Chap. X Examples. — i. A certain locomotive (engine and tender) weighs 178.5 tons,106 tons on the drivers. There are two cyhnders, 23 inches (diameter) X32 inches (stroke); the drivers are 63 inches in diameter; and boiler pressureis 200 pounds per square inch.…
Mechanics
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