. American engineer and railroad journal . i 7^6= V ■ 8^^^ -1 iAi- i- 5^ J. The tubes, 353 in number, are 1% in. in diameter, 13 ft. 1 in. long, whicli is a ratio of 104 calibers inside, and 86 outside. About 90 calibers was desired. The heating surfaces, weights and thicknesses of sheets are as follows: External heating surface of 2,102 sq. ft. Heating .surface, firebox and chamber 21S sq. it. Total heating surface ; 2,320 sq. ft. area through tubes sq. ft. Total weight of boiler 37,494 lbs. Weight of tubes S,671 lbs. Thickness of shell sheets 9/16 in. Thickness of side shee
. American engineer and railroad journal . i 7^6= V ■ 8^^^ -1 iAi- i- 5^ J. The tubes, 353 in number, are 1% in. in diameter, 13 ft. 1 in. long, whicli is a ratio of 104 calibers inside, and 86 outside. About 90 calibers was desired. The heating surfaces, weights and thicknesses of sheets are as follows: External heating surface of 2,102 sq. ft. Heating .surface, firebox and chamber 21S sq. it. Total heating surface ; 2,320 sq. ft. area through tubes sq. ft. Total weight of boiler 37,494 lbs. Weight of tubes S,671 lbs. Thickness of shell sheets 9/16 in. Thickness of side sheets :. 5/16 in. Thickness of crown sheets % in. Thickness of outside roof sheet % in. Thickness of outside side sheets % in. The sheets are thin and they should therefore be expectedto favor the durability of the staybolts. Nixon stays areused at the points marked with crosses in Fig. 2. The backhead has outward flanging and is stayed with rods securedto the head by means of feet of steel plate made in box act ae gussets and their flanges stiffen the sheet. Whe
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
