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The 2 + 1 ⁄ 2-inch-bore (64 mm) gun became the standard line-throwing gun and came to be known as the Lyle gun. [13] [14] In 1855, the Boxer rocket was developed, a two-stage rocket used in rescue line applications until World War II. [citation needed]
A spear (being a steel shaft slightly longer than the stock/barrel of from 6–10 millimetres (0.2–0.4 in) in diameter, which lies on top of the barrel or in a track or groove on the top), and a trigger mechanism to engage the spear (usually in or near a handle or grip at or near the rear) to keep the gun in a loaded state of readiness when ...
[1] [2] Guide lines are also useful in the event of silt out. [3] A cave diver running a distance line into the overhead environment to facilitate a safe exit. Distance lines are wound on to a spool or a reel for storage, and are laid in situ by unrolling. [4] The length of the distance line used is dependent on the plan for the dive.
The Cannone da 75/27 modello 11 was a French-designed field gun produced in Italy prior to World War I. [5] It was introduced in 1912, designed by Joseph-Albert Deport. It was taken into service by Italy for use with its Alpine and cavalry troops going into World War I, and was built there in large numbers. The gun was designed with two notable ...
A garrote can be made of different materials, including ropes, cloth, cable ties, fishing lines, nylon, guitar strings, telephone cord or piano wire. [2] [3] [4] A stick may be used to tighten the garrote; the Spanish word refers to the stick itself. [5] In Spanish, the term may also refer to a rope and stick used to constrict a limb as a ...
Winders have a center roll (a bobbin, spool, reel, belt-winding shell, etc.) on which the material is wound up. Often there are metal bars that travel through the center of the roll and are shaped according to their intended purpose. A circular bar facilitates greater speed, while a square bar provides a greater potential for torque.
There are also a number of more unconventional applications. These include using a modified pneumatic line thrower as an air gun to tag or attach transmitters to whales. This technique has been used in several studies: bowhead whales off West Greenland, [2] minke whales off northern Norway, [3] and a collision study of humpback whales off ...
Lyle gun Lyle gun being fired. A Lyle gun was a line thrower powered by a short-barrelled cannon.It was invented by Captain David A. Lyle, US Army, a graduate of West Point and the Massachusetts Institute of Technology, and was used from the late 19th century to 1952, when it was replaced by rockets for throwing lines.