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in it having to have two trailers in support—one for power, and one for ammunition—and a crew with a small crane in order to reload the two ammunition drums. With only 28 rounds available in the drums and an 80–90 rounds per minute (RPM), reloading was a frequent task. It took a crew between ten and fifteen minutes to fully reload.
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was built with a 102 mm (4.0 in) barrel, but otherwise was as intended. It was mostly automatic and could be operated by a single person sitting in a covered control cabin on the right-hand side of the vehicle. However, the enormous power and ammunition requirements for the piece resulted
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Original work was done on two other projects: Longhand and
Ratefixer. Both were of smaller calibre than Green Mace, and were designed to try to increase the rate of fire and calibre used. Similar concepts were also said to have been used in the
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gun that was developed in the early 1950s. It used a variety of techniques to improve the firing rate and velocity of its projectiles. It was rendered obsolete by the development of the guided
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assigned to the QF 127/58 SBT X1 during its development. The original specifications were for a 127 mm (5.0 in) gun with water-cooled barrel, firing folding-fin discarding
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for the Royal Navy's destroyers, and a twin version of the same gun intended for cruisers reached the design stage, but neither went any further, and they were cancelled in 1957.
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dart projectiles. Two rotary magazines, each holding 14 rounds, would allow for a high rate of fire on the order of 75 rounds per minute (RPM).
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With the advent of guided missiles, and the transfer of responsibility for ground-based, static anti-aircraft defence of UK airspace from the
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Lvakan 4501, a
Swedish 12cm anti-aircraft gun developed by Bofors in the 1950s, later changed into a naval gun, TAK120
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258:. It demonstrated a firing rate as high as 96 rounds per minute, about six times that of the
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352:, 1970s Soviet naval automatic twin gun with rate of fire about the same as Green Mace
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105mm SFAC, a French anti-aircraft gun developed in late 1940s and abandoned in 1950s
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Conway's All the World's
Fighting Ships 1947 - 1982 - Part I: The Western Powers
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Conway's All the World's
Fighting Ships 1947 - 1982 - Part I: The Western Powers
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Some sources suggest that a naval version of Green Mace was planned as a new
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and thus never entered production, with only a single prototype surviving.
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The ammunition drums on the back of Green Mace, holding 14 rounds each.
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Green Mace prototype at the Royal
Artillery Museum, Woolwich, in 2015.
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Heavy AA 102mm (ARDE) QF 127/58 SBT X1 'Green Mace' Information Card
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gun, which was essentially a medium-weight version of Green Mace.
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466:. pp. 19, 36–38, 44, 53, 58, 83, 90, 108, 128–129.
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Royal
Armaments Research and Development Establishment
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338:Weapons of comparable role, performance and era
459:Flak: German Anti-aircraft Defenses 1914-1945
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206:twin rotating drums with 14 rounds in each
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18:
190:1,200 metres per second (3,900 ft/s)
534:Cold War artillery of the United Kingdom
529:Anti-aircraft guns of the United Kingdom
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491:. Conway Maritime Press. p. 130.
414:. Conway Maritime Press. p. 152.
289:, the project was cancelled in 1957.
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456:Westermann, Edward B. (2005–2009) .
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524:Anti-aircraft guns of the Cold War
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389:. Westport: Praeger. p. 69.
195:Effective firing range
219:, is a prototype British heavy
113:28,000 kg (62,000 lb)
160:1 partially-rifled smooth bore
94:
1:
344:130 mm air defense gun KS-30
198:7,600 metres (8,300 yd)
138:Folding Fin Discarding Sabot
346:, early 1950s Soviet weapon
250:under the direction of the
148:102 mm (4.0 in) (
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464:University Press of Kansas
105:Specifications (Prototype)
487:Robert, Gardiner (1983).
410:Robert, Gardiner (1983).
246:The gun was developed by
170:electric-driven drum feed
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49:Place of origin
28:
385:Crabtree, James (1994).
260:8.8 cm Flak 18/36/37/41
123:10-15 support personnel
44:Heavy anti-aircraft gun
16:Heavy anti-aircraft gun
462:. Modern War Studies.
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225:surface-to-air missile
176:Rate of fire
332:Thunderbird (missile)
300:
327:Bloodhound (missile)
215:, also known as the
186:Muzzle velocity
65:RARDE, Fort Halstead
235:Green Mace was the
360:2015-04-17 at the
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57:Production history
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272:proof of concept
217:QF 127/58 SBT X1
203:Feed system
180:96 rounds/minute
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150:test version
78:Manufacturer
266:Development
97: built
23:Green Mace
513:Categories
372:References
213:Green Mace
315:Red Queen
275:prototype
358:Archived
321:See also
121:1 gunner
86:Produced
70:Designed
62:Designer
285:to the
248:Vickers
231:History
157:Barrels
144:Calibre
81:Vickers
73:c. 1956
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350:AK-130
166:Action
241:sabot
134:Shell
493:ISBN
468:ISBN
416:ISBN
391:ISBN
118:Crew
110:Mass
89:1956
41:Type
254:at
95:No.
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270:A
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100:1
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