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[5] [7]: 18 Early American locomotives had bar frames, made from steel bar; in the 20th century they usually had cast steel frames or, in the final decades of steam locomotive design, a cast steel locomotive bed – a one-piece steel casting for the entire locomotive frame, cylinders, valve chests, steam pipes, and smokebox saddle, all as a ...
Locomotive frame of a LNER Gresley Pacific locomotive during construction. A locomotive frame is the structure that forms the backbone of the railway locomotive, giving it strength and supporting the superstructure elements such as a cab, boiler or bodywork. The vast majority of locomotives have had a frame structure of some kind.
An axlebox, also known as a journal box in North America, is the mechanical subassembly on each end of the axles under a railway wagon, coach or locomotive; it contains bearings and thus transfers the wagon, coach or locomotive weight to the wheels and rails; the bearing design is typically oil-bathed plain bearings on older rolling stock, or roller bearings on newer rolling stock.
Diagram of 1894 Hildebrand & Wolfmüller. The Hildebrand & Wolfmüller patent of 20 January 1894, No. 78553 describes a 1,489 cc (90.9 cu in) two-cylinder , four-stroke engine , with a bore and stroke of 90 mm × 117 mm (3.5 in × 4.6 in).
Frame numbers are the numerical values given to the frames. Frame numbers typically begin at 1 with the forward-most frame for US-built ships, and typically begin at 0 with the transom for ships built elsewhere, with numbers increasing sequentially towards the stern or bow, respectively. The total number vary per the length of a ship.
Backbone tube chassis is a type of automobile construction chassis that is similar to the body-on-frame design. Instead of a two-dimensional ladder-type structure , it consists of a strong tubular backbone (usually rectangular in cross section ) that connects the front and rear suspension attachment areas.
On Tuesday, Automotive retailer AutoZone, Inc (NYSE:AZO) reported fiscal first-quarter earnings per share of $32.52, missing the Street view of $33.76. Quarterly revenues of $4.28 billion (+2.1% ...
Steel frame structure Rectangular steel frame, or "perimeter frame" of the Willis building (at right) contrasted against the diagrid frame at 30 St Mary Axe (at center), in London. Steel frame is a building technique with a " skeleton frame" of vertical steel columns and horizontal I-beams , constructed in a rectangular grid to support the ...