A history of the growth of the steam-engine . ion. This engine is proportioned for hauling a tankcontaining 10 barrels, or more, of water and a grain-sepa-rator over all ordinary roads, and to drive a thrashing-ma-chine or saw-mill, developing 20 or 25 horse-power. Thisexample of the road-engine has a boiler built to work at250 pounds of steam ; the engine is designed for a maximumpower of 30 horses. This engine has a balanced valve and automatic cut-off,and is fitted with a reversing-gear for use on the driving-wheels are of wrought-iron, 56 inches diameterand 8 inches wide, with cas
A history of the growth of the steam-engine . ion. This engine is proportioned for hauling a tankcontaining 10 barrels, or more, of water and a grain-sepa-rator over all ordinary roads, and to drive a thrashing-ma-chine or saw-mill, developing 20 or 25 horse-power. Thisexample of the road-engine has a boiler built to work at250 pounds of steam ; the engine is designed for a maximumpower of 30 horses. This engine has a balanced valve and automatic cut-off,and is fitted with a reversing-gear for use on the driving-wheels are of wrought-iron, 56 inches diameterand 8 inches wide, with cast-iron driving-arms. Bothwheels are drivers on curves as well as on straight engine is guided and fired by one man, and the totalweight is so small that it will pass safely over any goodcountry bridge. A brake is attached, to insure safety whengoing down-hill. Although designed to move at a speedof about three miles per hour, the velocity of the pistonmay be increased so that four miles per hour may be accom-plished when Pig. 118.—Fishers Steam-Carriage. This is an excellent example of this kind of engine asconstructed at the present time. The strongly-buUt boiler,with its heater, the jacketed cylinder, and light, strongframe of the engine, the steel running-gear, the carefully- PORTABLE AND LOCOMOTIVE ENGINES. 357 covered surfaces of cylinder and boiler, and excellent pro-portions of details, are illustrations of good modern engi-neering, and are in curious contrast with the first of theclass, built a century earlier by Smeaton. Steam-carriages for passengers are now rarely 118 represents that designed by Fisher about 1870or earlier. It was only worked experimentally. Fifi. 119.—Boad and Farm Locomotive. The above is an engraving of a road and farm locomo-tive as built by one of the most successful amo>ng severalBritish firms engaged in this work. The capacity of these engines has been determined byexperiment by the author in the United
Size: 2269px × 1101px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, bookidc, booksubjectsteamengines
