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The 15 cm MRK L/30 was mounted on the 15 cm Rahmen Lafette C/83 and the 15 cm Mittel Pivot Lafette C/83. [32] The 15 cm Rahmen Lafette C/83 was a slide carriage, the upper part weighed 890 kg, this stood on a slide of 1,270 kg. When the gun was fired, the recoil moved the upper carriage back on the slide, which contained a brake.
Conversions for rifles and carbines of larger caliber, such as the AK-47 or Thompson submachine gun include a rifled insert barrel extending beyond the length of the chamber. [ 9 ] [ 10 ] One exception to the use of a special lightweight bolt was the Colt Service Ace , offered as a complete pistol or as a conversion kit for the M1911.
Dry firing firearms is the practice of discharging (or simulating the discharge of) a firearm without any live ammunition, or practicing with an inert laser/infrared training platform such as an iMarksman or SIRT (Shot Indicating Resetting Trigger) training pistol, and may also include the use of a target/feedback system, such as the iDryfire or LASR software.
The 15 cm Ring Kanone L/30 was fairly conventional for its time. Most combatants during the First World War had similar conversions of naval guns, such as the British BL 6-inch Mk VII or the French Canon de 155 L modele 1916. The barrels were mounted on simple two-wheeled steel box trail carriages which did not have a recoil mechanism or a gun ...
The materials used in construction include laminated hardwoods, aluminium alloy and composites. The prod, or bow, is usually made from laminated carbon-fibre or glass-fibre which is fitted with a bowstring made from synthetic fibres. The maximum permitted draw weight is 43 kg (95 lb) at a maximum power stroke of 30 cm (12 in).
Introduced in 1872, 68-pounders adapted in this way had a calibre of 6.29 inches (16.0 cm) and were known as a RML 68-pounder, or officially as the RML 80-pounder 5 ton. [28] With a 10 lb (4.5 kg) powder charge they could fire an 80 lb (36 kg) projectile at a muzzle velocity of 1,240 feet per second (380 m/s). [29]
The 15 cm SK L/40 [Note 1] was a German naval gun that was used as secondary armament on pre-dreadnought battleships, protected cruisers and armored cruisers of the Imperial German Navy in World War I.
Gun comparison [6] 7 cm AA 8 cm AA 12 cm AA 15 cm AA Time to fire four shells 6 s: 6 s: 12 s: 18 s Burst radius 5 m: 7 m: 15 m: 30 m Burst volume 1 m 3: 2.7 m 3: 27 m 3: 215 m 3: Shell weight 5.3 kg: 7.4 kg: 19.3 kg: 41 kg Ratio of volume rupture × rate of fire to 7 cm as baseline 1: 2.7: 13.5: 71.6