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  2. 8.8 cm Pak 43 - Wikipedia

    en.wikipedia.org/wiki/8.8_cm_PaK_43

    The Pak 41 barrel was fitted with a horizontal sliding-block breech mechanism resembling that of the 7.5 cm Pak 40, and the semi-automatic gear was a simplified version of that used on the Pak 43. The two-wheel split-trail carriage was from the 10.5 cm leFH 18 field howitzer, with the wheels from the 15 cm s FH howitzer. The Pak 41 was ...

  3. 12.8 cm FlaK 40 - Wikipedia

    en.wikipedia.org/wiki/12.8_cm_FlaK_40

    The 12.8 cm Flak 40 was a German anti-aircraft gun used in World War II. Although it was not produced in great numbers, it was reportedly one of the most effective heavy AA guns of its era. Although it was not produced in great numbers, it was reportedly one of the most effective heavy AA guns of its era.

  4. 1/2 − 1/4 + 1/8 − 1/16 + ⋯ - ⋯ - Wikipedia

    en.wikipedia.org/wiki/1/2_%E2%88%92_1/4_%2B_1/8...

    Demonstration of ⁠ 2 / 3 ⁠ via a zero-value game. A slight rearrangement of the series reads + + =. The series has the form of a positive integer plus a series containing every negative power of two with either a positive or negative sign, so it can be translated into the infinite blue-red Hackenbush string that represents the surreal number ⁠ 1 / 3 ⁠:

  5. 8.8 cm Flak 18/36/37/41 - Wikipedia

    en.wikipedia.org/wiki/8.8_cm_Flak_18/36/37/41

    During the war German 88 mm guns were involved in 377 combat engagements, only 31 were against enemy aircraft. [citation needed] The use of the 88 mm in direct support of the infantry brought the gun crews in close proximity to the enemy and made the crews susceptible to infantry fire. Casualties among the legion's 88 mm gun batteries in the ...

  6. 7.5 cm Pak 40 - Wikipedia

    en.wikipedia.org/wiki/7.5_cm_Pak_40

    The 7.5 cm Pak 40 (7,5 cm Panzerabwehrkanone 40) was a German 75 millimetre anti-tank gun of the Second World War. The gun was developed in 1939–1941 and entered service in 1942. With 23,303 examples produced, the Pak 40 formed the backbone of German anti-tank guns for the later part of World War II, mostly in towed form, but also on a number ...

  7. Entwicklung series - Wikipedia

    en.wikipedia.org/wiki/Entwicklung_series

    Much simplified was the suspension, which was intended to be based on the concept of using conical-spring Belleville washers for the E-series AFVs as a whole. These were simply bolted on to the chassis and could be easily removed for repair or replacement. This suspension system was later used on the Swiss Panzer 61. A most interesting aspect ...

  8. 8.8 cm KwK 36 - Wikipedia

    en.wikipedia.org/wiki/8.8_cm_KwK_36

    The designation "L/56" means the barrel is 56 times 88 mm - about 4.9 m (16 ft 1 in). The longer the tube is in relation to its bore, the higher the muzzle velocity it can generate on fixed charge. A longer gun barrel allows the expanding gas from the shell's charge to act on the projectile longer than a short barrel, imparting it more velocity ...

  9. PDP-11 - Wikipedia

    en.wikipedia.org/wiki/PDP-11

    DEC slightly simplified the LINC system and instruction set, aiming the PDP-5 at smaller settings that did not need the power of their larger 18-bit PDP-4. The PDP-5 was a success, ultimately selling about 1,000 machines. This led to the PDP–8, a further cost-reduced 12-bit model that sold about 50,000 units.