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The few "new build" container flats are identifiable by their lack of decking, welded steel frame, and standard 89-foot (27.13 m) length. One variant is the 50-foot (15.24 m) car (which usually carries one large container as a load); these are actually re-built old boxcars. Common reporting marks are FEC, CP, SOO and KTTX. The ATTX cars, which ...
In a horizontal or vertical cable rail, the cables, once tensioned must be rigid enough to prevent a 4-inch sphere passing through it. Factors influencing this rigidity are: the tension of the cable, intermediate posts (or cable spacers) spacing, the diameter of the cable, top rail cap material and the cable to cable spacing. [7]
There are several causes of chassis shortages, but a common problem is excessive off-terminal dwell time. Off-terminal dwell time is the length of time a shipper keeps a chassis/container at their premises. Long dwell times mean less free chassis on-site at ports and rail ramps. [13] [14] An APL 20-foot container and chassis at a loading dock.
53 ft, 48 ft, 45 ft, 40 ft and 20 ft containers stacked. Double-stack wellcars come in a number of sizes, related to the standard sizes of the containers they are designed to carry. Well lengths of 40 ft (12.19 m), 48 ft (14.63 m) and 53 ft (16.15 m) are most common. A number of 45 ft (13.72 m) wells and 56 ft (17.07 m) wells also exist.
CSX lists three clearance heights above top of rail for double stack service: [8] Doublestack 1 — 18 ft 2 in (5.54 m) [8] Doublestack 2 — 19 ft 2 in (5.84 m) [8] Doublestack 3 — 20 ft 2 in (6.15 m) [8] Doublestack 4 — 20 ft 3 in (6.17 m) [9] The last 2 clearances offer the most flexibility, allowing two high cube containers to be stacked.
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One link is a hundredth part of a chain, which is 7.92 inches (20.1168 cm). [7] The surveyor's chain first appears in an illustration in a Dutch map of 1607, [8] and in an English book for surveyors of 1610. [9] In 1593 the English mile was redefined by a statute of Queen Elizabeth I as 5,280 feet, to tie in with agricultural practice.
For a line with a maximum speed of 60 km/h (37 mph), buffer-and-chain couplers increase the minimum radius to around 150 m (164 yd; 492 ft). As narrow-gauge railways , tramways , and rapid transit systems normally do not interchange with mainline railways, instances of these types of railway in Europe often use bufferless central couplers and ...
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