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Early fuses for grenades also consist of a wooden plug with a longitudinal hole filled with a slow burning gunpowder mixture inserted into the grenade. Such fuses were in use until the 18th century. [10] The commercial and military version of a burning fuse referred to as safety fuse (invented by William Bickford) is a textile tube filled with ...
The No. 5 Mk 1 was the first version. The explosive was filled through a small circular plug on the upper half, the detonator assembly was inserted into the centre tube through the bottom of the grenade body via the base plug, the striker and spring was held in tension through the middle by the lever that was held down on the lugs (ears) located on the top of the grenade body via a split pin ...
The grenades are "stackable," meaning up to three can be connected to increase blast power. The base grenade has a non-removable, 3.5 second fuse and a body encasing .25 pounds (110 g) of high explosive, so three connected grenades can have up to .75 lb (340 g) of blast force. [12] [13] [14]
The M67 grenade has a spheroidal steel body that contains 6.5 oz (180 g) of composition B explosive. It uses the M213 pyrotechnic delay fuse.The M67 grenade weighs 14 oz (400 g) in total and has a safety clip to prevent the spoon on the grenade from being triggered in the event the safety pin is accidentally pulled.
An artillery fuze or fuse is the type of munition fuze used with artillery munitions, typically projectiles fired by guns (field, anti-aircraft, coast and naval), howitzers and mortars. A fuze is a device that initiates an explosive function in a munition, most commonly causing it to detonate or release its contents, when its activation ...
The original Mk 2 grenade had a 3 ⁄ 8-inch (9.5 mm) threaded plug in its base, which covered the opening used to place the explosive filling, either 1.85 oz (52 g) of TNT, 2.33 oz (66 g) of Trojan explosive (a mixture of 40% nitrostarch, ammonium nitrate, and sodium nitrate), 1.85 oz (52 g) of a 50/50 amatol/nitrostarch mixture, or 1.85 oz (52 g) of Grenite (a mixture of 95% nitrostarch and ...
Fuse: Cord or tube for the transmission of flame or explosion usually consisting of cord or rope with gunpowder or high explosive spun into it. (The spelling fuze may also be met for this term, but fuse is the preferred spelling in this context.) [7] Fuze: A device with explosive components designed to initiate a main charge.
Proximity fuse MK53 removed from shell, circa 1950s. A proximity fuse (also VT fuse [1] [2] [3] or "variable time fuze") is a fuse that detonates an explosive device automatically when it approaches within a certain distance of its target. Proximity fuses are designed for elusive military targets such as aircraft and missiles, as well as ships ...