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Speargun Speargun in use by a diver. A speargun is a ranged underwater fishing device designed to launch a tethered spear or harpoon to impale fish or other marine animals and targets. Spearguns are used in sport fishing and underwater target shooting. The two basic types are pneumatic and elastic (powered by rubber bands). Spear types come in ...
A common carp shot with a band-powered speargun by a diver using snorkelling gear, Minnesota, US Freshwater pike catch in Finland. Many US states allow spearfishing in lakes and rivers, but most of them restrict divers to shooting only rough fish such as carp, gar, bullheads, suckers, etc.
Pneumatic recuperator and hydraulic recoil cylinder arrangement of QF 4.7 inch naval gun, World War II. A hydraulic recoil mechanism is a way of limiting the effects of recoil and adding to the accuracy and firepower of an artillery piece.
In parallel, the rubber speargun production expands, always more requested because of their silence action and precision. In the meantime, Nemrod distinguishes itself as the main brand developing in Spain in this period among which Casals, Beltran, Parra, Copino; the latter, soon famous for its sophisticated spearguns.
Nash & Thompson was established in 1929 at Kingston upon Thames by business partners Archibald Goodman Frazer Nash and Esmonde Grattan Thompson [1]. Nash & Thompson developed the hydraulic gun turrets that Frazer-Nash invented and his designs were consequently numbered in a series prefixed with "FN".
Precision (also called marksmanship) - the competitor dives at the starting line, swims underwater to the shooting line where he/she stops to obtain support from the pool bottom or from a ballasted object, fires at the target, swims to the target to retrieve the spear, surfaces, and swims back to the starting line whilst reloading the speargun ...
Spear-armed hoplite from Greco-Persian Wars. A spear is a polearm consisting of a shaft, usually of wood, with a pointed head.The head may be simply the sharpened end of the shaft itself, as is the case with fire hardened spears, or it may be made of a more durable material fastened to the shaft, such as bone, flint, obsidian, copper, bronze, iron, or steel.
Harpoon cannon outside of the Scott Polar Research Institute in Cambridge.. A harpoon cannon is a whaling implement developed in the late 19th century and most used in the 20th century.