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Cartridge adapters have also been made to use .38 caliber handgun cartridges with bullet diameters of approximately .357-inch (9.1 mm) in .35 caliber rifles designed for bullets of .358-inch (9.1 mm) diameter. [3] Supplemental chambers in .22 caliber, and potentially .17 caliber as well, pose a special problem not shared by larger calibers.
For example, the service life of a squeeze bore 7.5 cm Pak 41 could be as low as 1000 rounds compared to 5000-7000 rounds for the 7.5 cm Pak 39 (L/48). [3] The diameter of a fired shell could decrease as much as 40% from .50 caliber to .30 caliber (achieved in a version of the M2 machine gun ).
The initial ESPA ring was designed to support a 15,000-pound (6,800 kg) primary payload and up to six 400-pound (180 kg) secondary payloads. Each secondary spacecraft is mounted radially on a 15 inches (380 mm) diameter port and is allocated 24 inches (610 mm) × 28 inches (710 mm) × 38 inches (970 mm) volume.
An n-gauge diameter means that a ball of lead (density 11.34 g/cm 3 or 0.4097 lb/in 3) with that diameter has a mass equal to 1 / n part of the mass of the international avoirdupois pound (approx. 454 grams), that is, that n such lead balls could be cast from a pound weight of lead.
40 mm 1.575 Ordnance QF 3-pounder Vickers: Naval gun 47 mm 1.85 inch Ordnance QF 6-pounder: Anti-tank gun 57 mm 2.244 inch Ordnance BL 10-pounder Mountain gun: Mountain gun 69.8 mm 2.75 inch 12-pounder (multiple types) Light field gun 76.2 mm 3 inch Ordnance QF 13-pounder: Light field gun 76.2 mm 3 inch 15- pounder (multiple types) Field gun 76 ...
The thread is nominally 1 inch (25.4 mm) in diameter, with 32 threads per inch (0.794 mm pitch), designated as "1-32 UN 2A" in the ANSI B1.1 standard for unified screw threads. The flange focal distance is 17.526 millimetres (0.6900 in) for a C mount.
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The spacecraft–LM adapter (SLA), built by North American Aviation (Rockwell), was a conical aluminum structure that connected the service module to the Saturn S-IVB rocket stage. It also protected the LM, the service propulsion system engine nozzle, and the launch-vehicle-to-service-module umbilical during launch and ascent through the ...