. American engineer . 7S^ Inside Half-Sections and End Elevations of Boiler ShowingArrangement of Superheate- Tubes. was 276 deg., and the maximum 341 deg., which is the greatestamount of superheat ever obtained on an American superheater is of the Schmidt design, known as the typeA of the Locomotive Superheater Company. It has a topheader and 36 double looped superheater elements. In addition to the superheater this boiler is also fitted witha Security brick arch of the latest design which further in-creases its capacity by at least 10 per cent. Reference to the illustration wi
. American engineer . 7S^ Inside Half-Sections and End Elevations of Boiler ShowingArrangement of Superheate- Tubes. was 276 deg., and the maximum 341 deg., which is the greatestamount of superheat ever obtained on an American superheater is of the Schmidt design, known as the typeA of the Locomotive Superheater Company. It has a topheader and 36 double looped superheater elements. In addition to the superheater this boiler is also fitted witha Security brick arch of the latest design which further in-creases its capacity by at least 10 per cent. Reference to the illustration will show that in general fea-tures of construction this boiler does not differ noticeably from. a .,!!it* ?iJ$i The Keynote of Sustained Locomotive Capacity -the Boiler—Has Been Most Carefully Proportioned. AMERICAN ENGINEER. Vol. 86, No. 1. previous designs of the same builders. The increase in diameterbetween the front end and the dome course is considerable, re-sulting in maximum steam space with minimum weight andofif-setting to a considerable the efifect of the very lowdome on the moisture in the steam. The 2]/s,-m. tubes are ar-ranged with %-in. bridges, and are carefully located to givethe best circulation. A liberal depth of throat sheet has beenobtained, allowing plenty of space below the brick arch for aliberal depth of fire. There are two 15-in. circular fire the boiler carries but 185 lbs. pressure, it is evidentfrom the thickness of the sheets that it is capable of an increasein this respect, if desirable. Outside Steam Pipes.—One of the illustrations shows the de-sign of the outside steam pipe, which is the latest arrangementof the
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroa, bookyear1912
