The Unrotated Projectile (UP) was a British anti-aircraft and ground-bombardment rocket of the Second World War. A 7-inch version was developed for the...

7 mm) in compensation. A small conning tower was added aft, and four Unrotated Projectile mounts were added to supplement the six octuple-barrel 2-pounder...

with two more mountings added in 1937. To these were added five unrotated projectile (UP) launchers in 1940, each launcher carrying 20 seven-inch (178 mm)...

destroyers and corvettes to supplement the depth charges. As the mortar projectiles employed contact fuzes rather than time or bathymetric (depth) fuzes...

(missile family) Starburst surface-to-air missile Holman Projector Unrotated Projectile Z battery (2 inch rocket battery) AIM-9X Sidewinder RIM-2 Terrier...

a high-explosive 20.3 cm (8.0 in) shell; the explosion detonated unrotated projectile ammunition and started a large fire, which was quickly extinguished...

before World War II, and as 2-and-3-inch-diameter (51 and 76 mm) Unrotated Projectiles for launching anti-aircraft weapons. Small cordite rocket charges...

Z Batteries was known as the UP-3 (Unrotated Projectile) and had been developed in the late 1930s by the Projectile Development Establishment at Fort Halstead...

rockets were initially used in the anti-aircraft role; the 7-inch Unrotated Projectile was fired from single pedestal-mounted launchers on warships and...

research into ballistics, projectiles and missiles from 1916 to 1953. At Fort Halstead he developed the Unrotated Projectile an antiaircraft weapon for...

to scatter the projectiles. The barrels were mounted in a frame that could be rotated through 90 degrees for loading. The projectiles weighed 390 pounds...

550 to 600 m/s with a rate of fire of 520 rpm. The FFL of 30 kg fired a projectile at a muzzle velocity of 675 m/s with a rate of fire of 500 rpm. And the...

accommodation in lieu for service as commodore. Aurora received an unrotated projectile (UP) mounting and eight QF 2-pounder Mark VIII in two quadruple mountings...

Nelson in the Firth of Forth, September 1940; the Unrotated Projectile mounts are visible on the roofs of two of her main-gun turrets...

and around the fort. The work at Halstead resulted in the 7-inch Unrotated Projectile used on ships of the Royal Navy, and a 3-inch version that was operated...

Sea Ceptor Sea Dart – retired Seaslug – retired Sea Viper Sea Wolf Unrotated projectile - retired Fuze Keeping Clock Gyro rate unit HACS Hazemeyer gun mount...

throwing device AA Mine Discharger, a Japanese anti-aircraft mortar. Unrotated Projectile, another Royal Navy anti-aircraft weapon. Steam cannon, other steam-powered...

inch AA gun QF 4.5-inch Mark I to Mark V QF 5.25-inch gun Z Battery Unrotated Projectile, including "fast aerial mine" Holman Projector SBML 2-inch Mortar...

range, Doppler radar. British tests were then carried out with "unrotated projectiles" (the contemporary British term for unguided rockets). However,...

seems only to have been used with British anti-aircraft artillery 'unrotated projectiles' (rockets) in World War II. Radar proximity fuzes were a big improvement...

two Mark VI pom-pom mounts. In 1940, to combat air attack, four Unrotated Projectile mountings were fitted, on "B" turret, two on "Y" turret, one replaced...

ready-use ammunition for the anti-aircraft guns and rockets of the Unrotated Projectile mounts. Right before 06:00, while Hood was turning 20° to port to...

a tank gun, although they both fired 2 lb (0.91 kg), 40 mm (1.6 in) projectiles. The first gun to be called a pom-pom was the 37 mm Nordenfelt-Maxim...

refit. While under repair in December 1939 – March 1940, a 20-barrel Unrotated projectile (UP) rocket launcher was installed on the roof of 'B' turret and...

precision Unified Process, a software development process framework Unrotated projectile, an anti-aircraft weapon UP (complexity) Up (game theory) Up quark...

Eugen scored a hit with a high-explosive 20.3 cm shell, detonating unrotated projectile ammunition and starting a large fire on Hood, which was quickly extinguished...

V QF 3-inch 20 cwt QF 4-inch Mk XII & XXII Anti-aircraft weapons Unrotated projectile Holman Projector 20 mm Oerlikon QF 2-pounder "pom-pom" Mk VIII 40...

yards (27,370 m) at 2,638 ft/s (804 m/s) using the Mk XVIIB or Mk XXII projectile, while HMS Vanguard could theoretically range to 37,870 yards (34,630 m)...

V QF 3-inch 20 cwt QF 4-inch Mk XII & XXII Anti-aircraft weapons Unrotated projectile Holman Projector 20 mm Oerlikon QF 2-pounder "pom-pom" Mk VIII 40...

replaced by two Mark VI pom-poms. In 1940, to combat air attack, four Unrotated Projectile (rocket) mountings were fitted, one on "B" turret, two on "Y" turret...