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Pennsylvania Railroad class J1. Water cap. 124 scrapped, 6435 rumored to still extant but not confirmed. The PRR J1 was a class of 2-10-4 "Texas" type steam locomotives built between 1942 and 1944. The J1 had over 95,000 pounds-force (422.6 kN) of tractive effort, plus an additional 15,000 lbf (66.7 kN) if the booster engine was used.
The "10" is the ball diameter in millimeters. The "3000" is the force in kilograms force. The hardness may also be shown as XXX HB YYD 2. The XXX is the force to apply (in kgf) on a material of type YY (5 for aluminum alloys, 10 for copper alloys, 30 for steels). Thus a typical steel hardness could be written: 250 HB 30D 2. It could be a ...
The 2-10-0 arrangement was a very popular one in Germany. The first were built by the individual state railways from 1915 to 1918, and these later became the DRG BR58. The DRG then produced a number of standard classes of 2-10-0s: the heavy 3-cylinder BR44 (1753 built), the two-cylinder version BR43 (35 built), and the lightweight BR50 (3164
Hardness comparison. A variety of hardness -testing methods are available, including the Vickers, Brinell, Rockwell, Meyer and Leeb tests. Although it is impossible in many cases to give an exact conversion, it is possible to give an approximate material-specific comparison table for steels .
According to 2022 Census data, the median household income in the U.S. was $74,580. For Americans making significantly less than that, a car is a major purchase with many factors to consider. Not...
When you buy a new car, by the time you drive it home it's lost value. In fact, according to Kelley Blue Book (KBB), most new cars lose 20% of their value in the first year. Ouch. And by year five,...
Union Pacific 5511 is a 2-10-2 “Santa Fe” type steam locomotive built by the Baldwin Locomotive Works in 1923 as part of the Union Pacific Railroad 's TTT-6 class. It is the last remaining member of its class and the only remaining 2-10-2 to be operated by the Union Pacific. The locomotive ran in revenue service until being withdrawn in 1956.
Myth #1: A glass of red wine is good for your heart If you believed this myth, we wouldn’t blame you. For decades, studies claimed that red wine had heart health benefits , including a lower ...