The boys' book of engine-building; . wo ofthem and these are: (i) the lever safety valveand (2) the spring safety valve. The Lever Safety Valve.—The time-honoredlever safety valve is largely used on stationaryboilers. The easiest way to make a safety valveof this kind is to take a /4-inch pipe, 1 inch long,and thread both ends of it. Cut or saw out two brass disks each %e inchthick and % inch in diameter; drill a %6-inch holethrough one of them and thread it to fit the pipe;drill a % 6-inch hole through the center of theother disk and make it %6 inch in diameter onthe other side. Put the two d
The boys' book of engine-building; . wo ofthem and these are: (i) the lever safety valveand (2) the spring safety valve. The Lever Safety Valve.—The time-honoredlever safety valve is largely used on stationaryboilers. The easiest way to make a safety valveof this kind is to take a /4-inch pipe, 1 inch long,and thread both ends of it. Cut or saw out two brass disks each %e inchthick and % inch in diameter; drill a %6-inch holethrough one of them and thread it to fit the pipe;drill a % 6-inch hole through the center of theother disk and make it %6 inch in diameter onthe other side. Put the two disks together and drill a %2-inch Fittings for Model Engines nj hole on each side of the holes in the center andthread them; screw the disks together on oneside and then make a standard of a piece of brassrod Ys inch in diameter and % inch long; threadone end, drill a % 6-inch hole through the otherend and saw a slot Vie inch wide and %e inchdeep in it; these things done, screw the standard G&oovi :SZ0HM&VPPEJtDJS* W &. BRASSPM Fig. 47. A Lever Safety Valve
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Keywords: ., bookcentury1900, bookdecade1910, bookpub, booksubjectsteamengines
