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HACS, the Glossary

High Angle Control System (HACS) was a British anti-aircraft fire-control system employed by the Royal Navy from 1931 and used widely during World War II.^[1]

34 relations: Analog computer, Anti-aircraft warfare, Battle of Crete, Binoculars, British Malaya, Coincidence rangefinder, De Havilland Tiger Moth, Deflection (ballistics), Destroyer, Dive bomber, Fire-control system, Force Z, Fuze Keeping Clock, Gyro rate unit, Gyroscope, HMS Curacoa, HMS Excellent (shore establishment), HMS Prince of Wales (53), Lobe switching, Newsreel, Operation Halberd, Pom-Pom director, QF 2-pounder naval gun, QF 4.7-inch Mk IX & XII naval gun, Royal Navy, Ship gun fire-control system, Synchro, Tachymetric anti-aircraft fire control system, Target drone, Type 279 radar, Type 281 radar, Type 285 radar, World War II, Yagi–Uda antenna.
Anti-aircraft artillery
Equipment of the Royal Navy
Fire-control computers of World War II

Analog computer

An analog computer or analogue computer is a type of computation machine (computer) that uses the continuous variation aspect of physical phenomena such as electrical, mechanical, or hydraulic quantities (analog signals) to model the problem being solved.

See HACS and Analog computer

Anti-aircraft warfare

Anti-aircraft warfare is the counter to aerial warfare and it includes "all measures designed to nullify or reduce the effectiveness of hostile air action" (NATO's definition).

See HACS and Anti-aircraft warfare

Battle of Crete

The Battle of Crete (Luftlandeschlacht um Kreta, Μάχη της Κρήτης), codenamed Operation Mercury (Unternehmen Merkur), was a major Axis airborne and amphibious operation during World War II to capture the island of Crete.

See HACS and Battle of Crete

Binoculars

Binoculars or field glasses are two refracting telescopes mounted side-by-side and aligned to point in the same direction, allowing the viewer to use both eyes (binocular vision) when viewing distant objects.

See HACS and Binoculars

British Malaya

The term "British Malaya" (Tanah Melayu British) loosely describes a set of states on the Malay Peninsula and the island of Singapore that were brought under British hegemony or control between the late 18th and the mid-20th century.

See HACS and British Malaya

Coincidence rangefinder

A coincidence rangefinder or coincidence telemeter is a type of rangefinder that uses the principle of triangulation and an optical device to allow an operator to determine the distance to a visible object. HACS and coincidence rangefinder are Military computers.

See HACS and Coincidence rangefinder

De Havilland Tiger Moth

The de Havilland DH.82 Tiger Moth is a 1930s British biplane designed by Geoffrey de Havilland and built by the de Havilland Aircraft Company.

See HACS and De Havilland Tiger Moth

Deflection (ballistics)

Deflection shooting is a technique of shooting ahead of a moving target, also known as leading the target, so that the projectile will "intercept" and collide with the target at a predicted point.

See HACS and Deflection (ballistics)

Destroyer

In naval terminology, a destroyer is a fast, maneuverable, long-endurance warship intended to escort larger vessels in a fleet, convoy, or carrier battle group and defend them against a wide range of general threats.

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Dive bomber

A dive bomber is a bomber aircraft that dives directly at its targets in order to provide greater accuracy for the bomb it drops.

See HACS and Dive bomber

Fire-control system

A fire-control system (FCS) is a number of components working together, usually a gun data computer, a director and radar, which is designed to assist a ranged weapon system to target, track, and hit a target. HACS and fire-control system are Artillery operation, fire-control computers of World War II and Military computers.

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Force Z

Force Z was a British naval squadron during the Second World War, consisting of the battleship, the battlecruiser and accompanying destroyers.

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Fuze Keeping Clock

The Fuze Keeping Clock (FKC) was a simplified version of the Royal Navy's High Angle Control System analogue fire control computer. HACS and Fuze Keeping Clock are anti-aircraft artillery, Artillery operation, Equipment of the Royal Navy, fire-control computers of World War II and Military computers.

See HACS and Fuze Keeping Clock

Gyro rate unit

Gyro rate unit refers to a fire-control computer developed by the Royal Navy of the United Kingdom in 1937, and which was used extensively on British warships in World War II. HACS and Gyro rate unit are Artillery operation, fire-control computers of World War II, Military computers and naval anti-aircraft guns.

See HACS and Gyro rate unit

Gyroscope

A gyroscope (from Ancient Greek γῦρος gŷros, "round" and σκοπέω skopéō, "to look") is a device used for measuring or maintaining orientation and angular velocity.

See HACS and Gyroscope

HMS Curacoa

Four ships of the Royal Navy have been named HMS Curacoa, after the island in the Caribbean Sea more usually spelled Curaçao.

See HACS and HMS Curacoa

HMS Excellent (shore establishment)

HMS Excellent is a Royal Navy "stone frigate" (shore establishment) sited on Whale Island near Portsmouth in Hampshire.

See HACS and HMS Excellent (shore establishment)

HMS Prince of Wales (53)

HMS Prince of Wales was a of the Royal Navy that was built at the Cammell Laird shipyard in Birkenhead.

See HACS and HMS Prince of Wales (53)

Lobe switching

Lobe switching is a method used on early radar sets to improve tracking accuracy.

See HACS and Lobe switching

Newsreel

A newsreel is a form of short documentary film, containing news stories and items of topical interest, that was prevalent between the 1910s and the mid 1970s.

See HACS and Newsreel

Operation Halberd

Operation Halberd was a British naval operation that took place on 27 September 1941, during the Second World War.

See HACS and Operation Halberd

Pom-Pom director

"Pom-Pom" director was a director for British anti-aircraft guns on British warships of the 1930s into the Second World War. HACS and Pom-Pom director are Artillery operation, fire-control computers of World War II and Military computers.

See HACS and Pom-Pom director

QF 2-pounder naval gun

The 2-pounder gun, officially the QF 2-pounder (QF denoting "quick firing") and universally known as the pom-pom, was a British autocannon, used as an anti-aircraft gun by the Royal Navy. HACS and QF 2-pounder naval gun are naval anti-aircraft guns.

See HACS and QF 2-pounder naval gun

QF 4.7-inch Mk IX & XII naval gun

The 4.7 inch QF Mark IX and Mark XII were 45-calibre, naval guns which armed the majority of Royal Navy and Commonwealth destroyers in World War II,Campbell, Naval Weapons of World War Two, p48. HACS and QF 4.7-inch Mk IX & XII naval gun are naval anti-aircraft guns.

See HACS and QF 4.7-inch Mk IX & XII naval gun

Royal Navy

The Royal Navy (RN) is the naval warfare force of the United Kingdom, British Overseas Territories and Crown Dependencies, and a component of His Majesty's Naval Service.

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Ship gun fire-control system

Ship gun fire-control systems (GFCS) are analogue fire-control systems that were used aboard naval warships prior to modern electronic computerized systems, to control targeting of guns against surface ships, aircraft, and shore targets, with either optical or radar sighting. HACS and ship gun fire-control system are anti-aircraft artillery, Artillery operation, fire-control computers of World War II, Military computers and naval anti-aircraft guns.

See HACS and Ship gun fire-control system

Synchro

A synchro (also known as selsyn and by other brand names) is, in effect, a transformer whose primary-to-secondary coupling may be varied by physically changing the relative orientation of the two windings.

See HACS and Synchro

Tachymetric anti-aircraft fire control system

A tachymetric anti-aircraft fire control system generates target position, speed, direction, and rate of target range change, by computing these parameters directly from measured data. HACS and tachymetric anti-aircraft fire control system are Military computers.

See HACS and Tachymetric anti-aircraft fire control system

References

[1] https://en.wikipedia.org/wiki/HACS

Also known as High Angle Control System, High-Angle Control System.

HACS, the Glossary

Table of Contents

See also

Anti-aircraft artillery

Equipment of the Royal Navy

Fire-control computers of World War II

References