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  2. Brinell scale - Wikipedia

    en.wikipedia.org/wiki/Brinell_scale

    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 ...

  3. Pennsylvania Railroad I1 class - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_Railroad_I1_class

    The Pennsylvania Railroad (PRR) class I1s steam locomotives were the largest class of 2-10-0 "Decapods" in the United States. From 1916 to 1923, 598 locomotives were produced (123 at Altoona Works and 475 at Baldwin Locomotive Works ). They were the dominant freight locomotive on the system until World War II and remained in service until 1957.

  4. 2-10-10-2 - Wikipedia

    en.wikipedia.org/wiki/2-10-10-2

    ATSF 3000 class 2-10-10-2. The forward section of the boiler is a primitive superheater and feedwater heater. In 1911 and 1912, the Atchison, Topeka and Santa Fe Railway modified ten 2-10-2 Baldwin -built locomotives into a new 2-10-10-2 configuration dubbed the 3000 class. They were the largest locomotives in the world from their introduction ...

  5. USRA Light Santa Fe - Wikipedia

    en.wikipedia.org/wiki/USRA_Light_Santa_Fe

    USRA Light Santa Fe. Factor of adh. The USRA Light Santa Fe was a USRA standard class of steam locomotive designed under the control of the United States Railroad Administration, the nationalized railroad system in the United States during World War I. These locomotives were of 2-10-2 wheel arrangement in the Whyte notation, or 1′E1′ in UIC ...

  6. 2-10-2 - Wikipedia

    en.wikipedia.org/wiki/2-10-2

    2-10-2. Under the Whyte notation for the classification of steam locomotives, 2-10-2 represents the wheel arrangement of two leading wheels, ten powered and coupled driving wheels, and two trailing wheels. In the United States and elsewhere the 2-10-2 is known as the Santa Fe type, after the Atchison, Topeka and Santa Fe Railway that first used ...

  7. Pennsylvania Railroad class J1 - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_Railroad_class_J1

    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.

  8. Plant-based meat substitutes may be healthier for the heart ...

    www.aol.com/news/plant-based-meat-substitutes...

    June 26, 2024 at 12:01 AM. Plant-based meat alternatives, despite being ultraprocessed, may be healthier for the heart than meat, a new report suggests. A review of previous studies found that ...

  9. Pennsylvania Railroad class H8 - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_Railroad_class_H8

    The Pennsylvania Railroad 's class H8, H9s and H10s steam locomotives were of the 2-8-0 "Consolidation" type, the last three classes of such built by the railroad. The three classes differed only in cylinder diameter and thus tractive effort, each subsequent class increasing that measurement by an inch. The first H8 was built in 1907 and the ...