The boys' book of engine-building; . cethe water around it, as the burning gases passthrough it to the smoke stack. It takes a steam pressure of about 8 or 10pounds to run the %4 engine, and a boiler6 inches in diameter and not less than 8 incheshigh must be used, for, if it is any smaller, itwill not make steam fast enough. Better makeit a third or a half larger than this size and besure of a continuous performance. There are a couple of simple ways to make asmall boiler and I will explain and picture bothof them and you can take your choice. A Simple Iron Boiler—The Shell.—Have asteamfi
The boys' book of engine-building; . cethe water around it, as the burning gases passthrough it to the smoke stack. It takes a steam pressure of about 8 or 10pounds to run the %4 engine, and a boiler6 inches in diameter and not less than 8 incheshigh must be used, for, if it is any smaller, itwill not make steam fast enough. Better makeit a third or a half larger than this size and besure of a continuous performance. There are a couple of simple ways to make asmall boiler and I will explain and picture bothof them and you can take your choice. A Simple Iron Boiler—The Shell.—Have asteamfitter cut a piece of iron pipe for you 6^4inches in diameter, outside measurement, and ginches long, and thread both ends of it. Also have him fit a cap to each end of the pipeand bore a i-inch hole through the center of eachone. Now drill, or have drilled, a %-inch holeon each side of and 2 inches from the center holein the top cap as shown in the cross section view tV-A SAFETY YME\ $T£AMP/P£TQSA/G/HE I SMOKE&Q%QAP FIREBOX. WATERTUBE Fig. 38. Cross-section View of the Copper Boiler 93 94 The Boys Book of Engine-Building Fig. 38, and the top view, Fig. 39, and threadthem. Cut off two pieces of %e inch pipe 2V2 or 3inches long and thread both ends of a nut on each end of each pipe, smear the smoke BOX SHEETSMELL
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Keywords: ., bookcentury1900, bookdecade1910, bookpub, booksubjectsteamengines
