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The Blacker Bombard, also known as the 29-mm Spigot Mortar, [1] was an infantry anti-tank weapon devised by Lieutenant-Colonel Stewart Blacker in the early years of the Second World War. Intended as a means to equip Home Guard units with an anti-tank weapon in case of German invasion, at a time of grave shortage of weapons, it was accepted only ...
9P135M Can fire the 9M111 Fagot (NATO: AT-4 Spigot) series as well as the 9K113 Konkurs (NATO: AT-5 Spandrel) series missiles. 9P135M1 Updated version of the 9P135. 9P135M2 Updated version of the 9P135. 9P135M3 Deployed in the early 1990s. Adds 13 kg (29 lb) TPVP thermal imaging night sight – range 2,500 m (8,200 ft; 1.6 mi) at night.
Launched from any 120 mm mortar, STRIX has a normal range of up to 4.5 km (2.8 mi). The addition of a special sustainer motor increases the range to 7.5 km (4.7 mi). The GMM 120 ( Guided Mortar Munition 120 ; known as Patzmi ; also referred to as Morty ) is a GPS and/or laser -guided mortar munition, which was developed by Israel Military ...
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7.62×51mm NATO Ball (Ball M80) at 30 meters with velocity 833 m/s [1] [2] 5.56×45mm NATO Ball (SS109) at 30 meters with a velocity of 900 m/s 5.56×45mm NATO Ball (M193) at 30 meters with a velocity of 937 m/s Protection against all three threats must be provided.
Data from General characteristics Crew: two, pilot instructor and student pilot Capacity: two Length: 9.78 m (32 ft 1 in) Wingspan: 10.40 m (34 ft 1 in) Height: 3.21 m (10 ft 6 in) Wing area: 16.60 m 2 (178.7 sq ft) Aspect ratio: 6.5:1 Airfoil: NACA 64 2 A-415 at root, 64 1 A-612 at tip Empty weight: 1,330 kg (2,932 lb) Max takeoff weight: 2,700 kg (5,952 lb) Fuel capacity: 474 L (104 imp gal ...
Using the P function mentioned above, the simplest known formula for π is for s = 1, but m > 1. Many now-discovered formulae are known for b as an exponent of 2 or 3 and m as an exponent of 2 or it some other factor-rich value, but where several of the terms of sequence A are zero.
Cathodic protection was first described by Sir Humphry Davy in a series of papers presented to the Royal Society [2] in London in 1824. The first application was to HMS Samarang [3] in 1824. Sacrificial anodes made from iron attached to the copper sheath of the hull below the waterline dramatically reduced the corrosion rate of the copper.