. American engineer and railroad journal . dimensions are given in the following Table: The engine provided with the Schmidt superheater has lessheating surface than the above, owing to the substitution of2i tubes of US mm. i4\ ins.) diameter for 103 tubes of 50mm. (1 15-16 ins.). For this locomotive the internal heat-ing surface in the tubes is (1,056 sq. ft.) and thetotal heating surface is (1,400 sq. ft.). The exterior superheating surface is equal to The superheater proper is illustrated in Plates 1 to 3, andconsists essentially of two parts. (1) A series of ir
. American engineer and railroad journal . dimensions are given in the following Table: The engine provided with the Schmidt superheater has lessheating surface than the above, owing to the substitution of2i tubes of US mm. i4\ ins.) diameter for 103 tubes of 50mm. (1 15-16 ins.). For this locomotive the internal heat-ing surface in the tubes is (1,056 sq. ft.) and thetotal heating surface is (1,400 sq. ft.). The exterior superheating surface is equal to The superheater proper is illustrated in Plates 1 to 3, andconsists essentially of two parts. (1) A series of iron tubes of US mm. (4% ins.) externaldiameter, occupying the upper part of the nest of tubes andoffering like them a passage for flame and hot gases. (2) Some D shaped tubes grouped in pairs among theflame tubes and used for the circulation of the superheatedsteam. A steam collector in several divisions is placed on the topof the smokebox. Some supplementary parts complete tkesystem. There must also be a diaphragm to close the flame tubes. fig. 2. Cylinder* :— l>lame«-r 520 1 20 26 Working \,r- . !; itm ( lb :■• r -<\ Id.) fjlainwr of driving wheel i • HHrht of center of boiler ■bore in. is ft B S 16 in I Tub**.:— l^-nnth . I L30 in i 13 ft. ■ SO mm. n 15-11 Number l!7L IfeatlnK *urf;i< ■ Internal 1- 26 m*. i 1,708 i P i ii .| ft i To<»l 178 t. m« i i 863 q fl i • i CI Wi-lichl In running or-: Thlr<1 ;.i ■ I 821 ■ K Urn I 17850 K 117.■Total w»l«chlArlheaion wetfbl p rf /Traetlre effrrt = .., 10128 K (15 8 lonn.)
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
