310:
475:
36:
104:
300:
544:
MV of 1,300 feet/second firing 600-pound projectile with "Battering charge" of 85 pounds "P" (gunpowder) is quoted in "Treatise on
Construction of Service Ordnance 1877", page 348. MV of 1,292 feet/second firing 608 lb 6 oz projectile with "Battering charge" of 85 pounds "P2" (gunpowder) is quoted in
286:
of mid-late 1800s used as primary armament on
British ironclad turret battleships and coastal monitors, and also ashore for coast defence. They were the shorter and less powerful of the two 12-inch (305-mm) British RML guns, the other being the
350:
While strong, the multiple coils were considered too expensive for construction in quantity. From 1867 guns were built on the simplified and hence cheaper "Fraser" system involving fewer but larger coils similar to the
355:. The guns were not considered a success, with the rifling twist of 1 in 100 increasing to 1 in 50 considered insufficient for accuracy, and guns were retubed in 11-inch (279-mm) calibre when their bores wore out.
441:" were developed which could rotate shells, allowing the deployment of a new range of studless ammunition. Thus, any particular gun potentially operated with a mix of studded and studless ammunition.
634:
1109:
627:
620:
464:(exploding) shells weighed 497 pounds (225.5 kilograms) and were fired with a "Full charge" of 55 pounds (25 kilograms) "P" or 50 pounds (22.7 kilograms)
1099:
433:
When the gun was first introduced projectiles had several rows of "studs" which engaged with the gun's rifling to impart spin. Some time after 1878, "
976:
951:
438:
434:
1024:
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57:
1019:
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917:
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769:
699:
655:
926:
474:
79:
437:" were fitted to the bases of the studded shells, reducing wear on the guns and improving their range and accuracy. Subsequently, "
598:
587:
Text Book of
Gunnery, 1887. LONDON : PRINTED FOR HIS MAJESTY'S STATIONERY OFFICE, BY HARRISON AND SONS, ST. MARTIN'S LANE
1014:
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576:
956:
981:
971:
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781:
526:
Unit cost of £1,715 13 shillings 5 pence is quoted in "The
British Navy" Volume II, 1882, by Sir Thomas Brassey. Page 38
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Treatise on the construction and manufacture of ordnance in the
British service. War Office, UK, 1877
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103:
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318:
233:
112:
1078:
759:
674:
825:
417:
507:
723:
689:
267:
119:
448:" armour-piercing shot, fired with a "Battering charge" of 85 pounds (38.5 kilograms) of
602:
581:
1055:
867:
684:
679:
643:
457:
249:
17:
1093:
848:
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239:
171:
339:
1050:
1045:
335:
217:
148:
586:
315:
131:
109:
444:
The gun's primary projectile was 600 to 608-pound (272- to 275-kilogram) "
746:
1070:
257:
108:
A 12-inch (305 mm) 25-ton gun in an armoured turret aboard the
298:
603:
The
British Navy, Volume II. London: Longmans, Green and Co. 1882
616:
554:
Treatise on
Construction of Service Ordnance 1877, pages 92-94
29:
535:
314:
Rear view of a 12-inch (305 mm) 25-ton gun aboard the
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334:Four guns were first made in 1866 with a toughened
266:
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193:
185:
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167:
159:
154:
144:
139:
127:
94:
456:for maximum velocity and hence penetrating power.
563:Treatise on Ammunition 1877, pages 191,194, 220
122:is suspended near the muzzle ready for loading.
238:600 to 608.4 pounds (272.2 to 276.0 kg) (
628:
8:
577:Treatise on Ammunition. War Office, UK, 1877
1110:Victorian-era weapons of the United Kingdom
210:Mk I : 23.5 long tons (23,900 kg)
635:
621:
613:
212:Mk II : 25 long tons (25,000 kg)
91:
342:coils on the original Armstrong pattern.
80:Learn how and when to remove this message
308:
223:145 inches (3.7 m) (bore + chamber)
43:This article includes a list of general
519:
470:
545:"Text Book of Gunnery 1887" Table XVI
7:
272:1,300 feet per second (400 m/s)
49:it lacks sufficient corresponding
25:
1100:Naval guns of the United Kingdom
473:
102:
96:Ordnance RML 12-inch 25-ton gun
34:
508:at Drake's Island, Plymouth, UK
452:or 67 pounds (30.4 kilograms)
304:Mk I & II gun construction
1:
363:Guns were mounted on :
338:tube surrounded by multiple
244:497 pounds (225.4 kg) (
1131:
353:10-inch (254-mm) Mk II gun
284:rifled muzzle-loading guns
1015:QF 12-pounder 12 cwt Mk I
700:Smoothbore muzzle-loading
656:Smoothbore muzzle-loading
227:
101:
812:68-pounder Lancaster gun
1010:QF 6-pounder Nordenfelt
801:Rifled muzzle-loaders (
280:RML 12-inch 25-ton guns
262:12-inch (304.8 mm)
64:more precise citations.
1005:QF 6-pounder Hotchkiss
1000:QF 3-pounder Hotchkiss
952:BL 9.2-inch Mk I – VII
792:RBL 7-inch 110-pounder
326:
306:
18:RML 12 inch 25 ton gun
1061:1-inch Nordenfelt gun
967:BL 12-inch Mk I – VII
863:RML 64-pounder 64 cwt
845:Rifled muzzle-loaders
835:RML 64-pounder 71 cwt
822:Rifled muzzle-loaders
646:naval weapons of the
312:
302:
942:BL 6-inch Mk II – VI
937:BL 6-inch 80-pounder
770:Rifled breechloaders
514:Notes and references
454:"R.L.G." (gunpowder)
439:automatic gas-checks
268:Muzzle velocity
957:BL 9.2-inch Mk VIII
858:RML 9-pounder 8 cwt
435:attached gas-checks
972:BL 12-inch Mk VIII
898:RML 12-inch 35-ton
893:RML 12-inch 25-ton
737:13-inch Blomefield
732:10-inch Blomefield
599:Sir Thomas Brassey
502:Surviving examples
496:List of naval guns
327:
307:
155:Production history
1115:Coastal artillery
1087:
1086:
1079:Whitehead torpedo
992:Quick-firing guns
760:24-pounder Millar
755:12-pounder Millar
675:32-pounder 55 cwt
276:
275:
135:Coast defence gun
90:
89:
82:
16:(Redirected from
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1105:305 mm artillery
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60:this article by
51:inline citations
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450:"P" (gunpowder)
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140:Service history
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56:Please help to
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27:Naval artillery
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787:RBL 40-pounder
784:
782:RBL 20-pounder
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714:10-inch 86 cwt
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680:32-pounder gun
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644:British Empire
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609:External links
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592:2012-12-04 at
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202:Specifications
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982:BL 16.25-inch
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920:(new pattern)
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903:RML 12.5-inch
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778:RBL 9 pounder
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648:Victorian era
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482:Palliser shot
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977:BL 13.5-inch
892:
571:Bibliography
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531:
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443:
432:
422: (1879)
419:
412: (1876)
409:
402: (1871)
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392: (1870)
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382: (1868)
379:
372: (1869)
369:
362:
349:
340:wrought iron
333:
320:
279:
277:
220: length
168:Manufacturer
145:Used by
114:
76:
67:
48:
1051:Gardner gun
1046:Gatling gun
1025:QF 4.7-inch
908:RML 16-inch
888:RML 11-inch
883:RML 10-inch
772:(Armstrong)
282:were large
197:Mk I, Mk II
189:1866 – 187?
62:introducing
1094:Categories
962:BL 10-inch
878:RML 9-inch
873:RML 8-inch
868:RML 7-inch
702:shell guns
685:68-pounder
670:24-pounder
665:18-pounder
429:Ammunition
336:mild steel
289:35-ton gun
149:Royal Navy
70:April 2011
45:references
1071:Torpedoes
1030:QF 6-inch
1020:QF 4-inch
947:BL 8-inch
932:BL 5-inch
927:BL 4-inch
826:converted
803:Lancaster
747:Howitzers
424: : 4
418:HMS
414: : 4
410:Belleisle
408:HMS
404: : 2
398:HMS
394: : 2
388:HMS
384: : 4
378:HMS
374: : 4
368:HMS
163:1864–1866
132:Naval gun
849:Woolwich
590:Archived
490:See also
466:"R.L.G."
458:Shrapnel
446:Palliser
250:Shrapnel
240:Palliser
194:Variants
186:Produced
160:Designed
724:Mortars
658:cannons
400:Glatton
390:Hotspur
380:Monarch
370:Captain
346:Mark II
321:Hotspur
258:Calibre
115:Hotspur
58:improve
709:8-inch
462:Common
330:Mark I
295:Design
248:&
246:Common
218:Barrel
181:£1,716
47:, but
420:Orion
234:Shell
120:shell
460:and
319:HMS
278:The
207:Mass
128:Type
118:. A
113:HMS
316:ram
110:ram
1096::
601:,
468:.
291:.
851:)
847:(
828:)
824:(
805:)
636:e
629:t
622:v
324:.
252:)
242:)
83:)
77:(
72:)
68:(
54:.
20:)
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