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Cost to build US$ 265,000 in 1941, equivalent to $5,489,457 in 2023. The Union Pacific Big Boy is a type of simple articulated 4-8-8-4 steam locomotive manufactured by the American Locomotive Company (ALCO) between 1941 and 1944 and operated by the Union Pacific Railroad in revenue service until 1962. The 25 Big Boy locomotives were built to ...
Cartridges like the Belgian 5.56×45mm NATO, Soviet 5.45×39mm, and Chinese 5.8×42mm allow a soldier to carry more ammunition for the same weight compared to their larger and heavier predecessor cartridges, have favourable maximum point-blank range or "battle zero" characteristics and produce relatively low bolt thrust and free recoil impulse ...
The 8×68mm S case has functioned as the parent case for the .375 Hölderlin (9.5×68mm), which is essentially a 9.53 mm (.375 caliber) necked-up version of the 8×68mm S. The wildcat status of the .375 Hölderlin ended in 2007 when it got C.I.P. certified and became an officially registered and sanctioned under the 375 Hölderlin designation ...
The 8×64mm S has 4.51 ml (69.5 grains) H 2 O cartridge case capacity. A sign of the era in which the 8×64mm S was developed are the gently sloped shoulders. The exterior shape of the case was designed to promote reliable case feeding and extraction in bolt-action rifles, under extreme conditions. 8×64mm S maximum C.I.P. cartridge dimensions ...
The 4-8-4 wheel arrangement was a progression from the 4-8-2 Mountain type and, like the 2-8-4 Berkshire and 4-6-4 Hudson types, an example of the "Super Power" concept in steam locomotive design that made use of the larger firebox that could be supported by a four-wheel trailing truck, which allowed greater production of steam. The four-wheel ...
From 8 mm caliber upwards the rise of sectional density and penetrating capability of practical spin-stabilized rifle bullets (bullets up to 5 to 5.5 calibers in length) tends to flatten out. [7] This means that, loaded with light, short and soft-nosed 8 mm bullets, the 8mm Remington Magnum can be used on remarkably small game.
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The Erie Matt H. Shay 2-8-8-8-2 Baldwin Erie P1 5016 Triplex - Shown in Exeter, PA The only 2-8-8-8-4 triplex locomotive ever built. A triplex locomotive was a steam locomotive that divided the driving force on its wheels by using three pairs of cylinders to drive three sets of driving wheels. Any such locomotive will inevitably be articulated.