393:
40:
332:
280:
which had the speed to evade the heavy coast defence guns which defended them. In 1925, a design was adopted for a twin-barrelled weapon capable of sustained semi-automatic fire. The barrels of the weapon could be fired singly or together. The pedestal mounting and the gun crew were enclosed to the
410:. These would lie in wait for convoy and then at the appropriate moment sweep across the front, firing torpedoes and making a speedy escape into the darkness. The 4.7-inch and 4-inch guns of destroyers could neither track nor fire fast enough to deal with this form of attack and the
371:
fast attack boats on 26 July 1941, when five MAS boats were sunk in less than two minutes. By the end of 1942, 155 of these weapons had been produced for 31 places around the world. The pair installed in 1944 at
421:
and proved an effective countermeasure. Since the need for greater anti-submarine capability was vital, even on the coastal convoys and the 6-pounder competed for space with the new ahead-throwing
501:"6 pounder" refers to the approximate weight of projectiles, which was a traditional British way of denoting small guns. "10 cwt" referred to the approximate weight of the gun and breech in
1682:
1314:
505:(cwt) rounded up : 10 cwt = 10 × 112 pounds = 1,120 pounds. It was standard British practice to differentiate guns of the same calibre by adding weight in cwt to the description.
1395:
1331:
1322:
1170:
1327:
1191:
1687:
1318:
750:
584:
1667:
1163:
373:
1414:
1350:
1156:
1380:
1096:
930:
1472:
1370:
1279:
1045:
16:
This article is about the
British naval and coastal defence gun QF 6-pounder 10 cwt of World War II. For other guns of this size, see
743:
1646:
696:
1375:
451:
1615:
1452:
1030:
1404:
1345:
1071:
458:
612:
414:
did not fire a shell heavy enough to cripple the vessel. A remedy was offered in the form of the twin 6-pounder 10 cwt gun.
1477:
961:
630:
1304:
895:
872:
736:
1076:
1385:
1299:
1253:
1248:
1219:
1137:
1132:
1127:
1101:
1091:
1086:
800:
1677:
1467:
1365:
1360:
1294:
1289:
1081:
815:
595:
1541:
1355:
1229:
1224:
1200:
1106:
910:
1672:
1462:
1274:
392:
704:
565:
1148:
296:
acceptance occurred on 28 February 1934. A coastal-defence trial using the gun and barbette was conducted at
1594:
1536:
1531:
1526:
1521:
1498:
1122:
759:
418:
1447:
1284:
1050:
1025:
905:
867:
862:
841:
810:
805:
313:
203:
1610:
1589:
1584:
1442:
1424:
1010:
836:
831:
790:
780:
411:
183:
1635:
1630:
1625:
1620:
1558:
1503:
1432:
1179:
935:
925:
915:
877:
273:
1040:
989:
940:
728:
475:
462:
439:
277:
163:
39:
1563:
900:
795:
785:
624:
433:
422:
377:
331:
265:
690:
644:
1457:
1437:
1409:
1035:
984:
469:
445:
397:
381:
305:
107:
45:
979:
971:
920:
857:
269:
233:
406:
One of the problems that persisted throughout the war was surface night attacks by fast
1568:
669:
367:. These were to play a vital role in the defence against an attack by nineteen Italian
297:
256:
was a 57 mm twin-mount light coast defence and naval gun from the 1930s to 1950s.
685:
1661:
1265:
1239:
1020:
1015:
956:
502:
356:
352:
309:
301:
289:
17:
1210:
1183:
766:
348:
223:
686:
Film of Twin 6 Pounder Coast
Artillery gun at practice in Weymouth, 1948 (Pathe)
426:
68:
368:
320:
293:
213:
1493:
1005:
762:
525:
340:
317:
64:
312:, was asked to take over production in March 1939; the first guns left its
538:
710:
360:
282:
1513:
351:. Also in 1939, nine pairs of guns were installed in Fort St. Elmo and
323:(made from a single forging) instead of a lined barrel in the Mark Is.
173:
52:
711:"Twin QF 6 pounder 10cwt gun| Fort Lytton Historic Military Precinct"
705:
Westwood Works in World War 2. The Twin 6-pounder
Coastal Defence Gun
417:
For naval use, it was mounted in place of No 1 gun (A mount) on four
407:
316:
factory in March 1941. The Mark II version of the QF 6-pounder had a
288:
The first trials took place in 1928 with production beginning at the
193:
1640:
391:
364:
344:
330:
594:, no. 2, The Fortress Study Group, p. 2, archived from
343:
in 1937. The first UK installation was at
Eastern Arm Battery in
1152:
732:
450:, were fitted with this twin-6-pounder mounting instead of a
44:
The 6-pounder gun mark I in twin mark I mounting on board
698:"Playhouses" Rip Invasion Craft With Twin Six-Pounder Gun
335:
The 6-pounder gun mark I in twin coastal artillery mount.
308:
approached, food equipment and machinery manufacturer,
539:"Fortifications of the Isle of Wight – Culver Battery"
645:"6-pdr / 10cwt [2.244"/47 (57 mm)] QF Mark I"
1603:
1577:
1550:
1512:
1486:
1423:
1394:
1313:
1262:
1238:
1209:
1190:
1115:
1059:
998:
970:
949:
886:
850:
824:
773:
242:
232:
222:
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192:
182:
172:
162:
149:
141:
133:
128:
118:
113:
103:
95:
87:
82:
74:
60:
30:
1683:World War II naval weapons of the United Kingdom
560:
558:
556:
619:. Archived from the original on 5 January 2006.
585:"Twentieth Century British Coast Defence Guns"
254:British QF (quick-firing) 6-pounder 10 cwt gun
1164:
744:
8:
339:The first twin 6-pounders were installed at
246:11,300 yards (10,330 m) at 45° HE round
281:front, sides and top in a reinforced-steel
1688:Military equipment introduced in the 1930s
1171:
1157:
1149:
751:
737:
729:
691:Details of the 6-pdr Naval and Coastal Gun
27:
396:Loading the 6-pounder 10 cwt aboard
518:
494:
238:2,390 ft/s (727 m/s) HE round
622:
419:Admiralty modified W class destroyers
7:
457:Along with these four, three of the
188:semi-automatic sliding breech block
272:, it was decided that the British
14:
1636:5-inch 51 caliber Mark 8 gun (US)
1631:4-inch 50 caliber Mark 9 gun (US)
264:Following the emergence of small
1668:Naval guns of the United Kingdom
1128:BL 12-inch Mk V railway howitzer
480:, were refitted with the mount.
425:, only four standard destroyers,
384:, may be the last in existence.
243:Effective firing range
38:
1123:BL 9.2-inch Mk XIII railway gun
566:"Westwood Works in World War 2"
459:Admiralty type flotilla leaders
1499:.50 Vickers Mk III machine gun
1448:QF 2-pounder "pom-pom" Mk VIII
1082:BL 6-inch Mk VII & Mk XXIV
664:Naval Weapons of World War Two
643:DiGiulian, Tony (3 May 2019).
423:Hedgehog anti-submarine mortar
347:, just before the outbreak of
1:
1133:BL 13.5-inch Mk V railway gun
276:were vulnerable to attack by
896:BL 4.5-inch medium field gun
1643:depth charge projector (US)
1415:QF 4-inch Mk XII & XXII
1381:QF 4.7-inch Mk IX & XII
1138:BL 18-inch railway howitzer
137:1,060 lb (480 kg)
32:QF 6-pounder 10 cwt Mark I
1704:
1626:3-inch 50 caliber gun (US)
1621:3-inch 23 caliber gun (US)
962:3.7-inch mountain howitzer
304:in 1936. As the shadow of
15:
1405:QF 12-pounder 12 cwt Mk V
1346:QF 12-pounder 12 cwt Mk V
629:: CS1 maint: unfit URL (
290:Woolwich Ordnance Factory
178:57 mm (2.24 in)
157:
75:Place of origin
37:
25:Naval gun and coastal gun
851:Field guns and howitzers
674:Warships of World War II
124:Coastal gun (twin mount)
1604:Foreign-sourced weapons
868:25-pounder Gun-Howitzer
1551:Anti-submarine weapons
1494:.303 Lewis machine gun
1263:Secondary armament and
1026:QF 2-pounder naval gun
906:BL 5.5-inch medium gun
816:QF 95 mm howitzer
583:Gander, Terry (2011),
403:
336:
314:Westwood, Peterborough
224:Rate of fire
198:1 ft (30 cm)
145:9 ft (2.7 m)
122:Naval gun (twin mount)
1590:Vickers K machine gun
1425:Anti-aircraft weapons
1182:naval weapons of the
999:Anti-aircraft weapons
957:75mm Pack howitzer M1
412:20 mm Oerlikon cannon
395:
334:
1578:Small craft armament
1559:depth charge thrower
1504:QF 3-pounder Vickers
1433:Unrotated projectile
1180:British Commonwealth
1021:QF 1½-pounder Mk III
936:BL 9.2-inch howitzer
926:BL 7.2-inch howitzer
916:BL 6-inch gun Mk XIX
878:QF 4.5-inch howitzer
760:British Commonwealth
484:Notes and references
274:Royal Navy Dockyards
234:Muzzle velocity
228:72 rounds per minute
99:British Commonwealth
1647:Mark 8 torpedo (US)
1478:QF 4.7-inch Mk VIII
1341:QF 6-pounder 10 cwt
1077:QF 4.7-inch Mk I–IV
1067:QF 6-pounder 10 cwt
278:motor torpedo boats
1305:BL 6-inch Mk XXIII
1051:QF 5.25-inch Mk II
990:ML 4.2-inch mortar
980:SBML 2-inch mortar
941:240 mm howitzer M1
931:BL 8-inch howitzer
911:BL 6-inch howitzer
889:guns and howitzers
801:QF 3-inch howitzer
701:March 1944 article
404:
337:
168:57 × 464 mm R
114:Production history
1678:Coastal artillery
1655:
1654:
1386:QF 4.7-inch Mk XI
1376:BL 4.7-inch Mk II
1300:BL 6-inch Mk XXII
1254:BL 8-inch Mk VIII
1249:BL 7.5-inch Mk VI
1146:
1145:
1116:Railway artillery
1102:BL 14-inch Mk VII
1092:BL 8-inch Mk VIII
1087:BL 7.5-inch Mk VI
1046:QF 4.5-inch Mk II
901:BL 60-pounder gun
887:Medium and heavy
715:fortlytton.org.au
693:by Tony DiGiulian
668:H. T. Lenton and
613:"Belmont Battery"
570:westwoodworks.net
454:single mounting.
378:Esquimalt Harbour
266:fast attack craft
250:
249:
51:whilst she is at
1695:
1585:Molins 6-pounder
1468:QF 4-inch Mk XVI
1458:QF 3-inch 20 cwt
1438:Holman Projector
1410:QF 3-inch 20 cwt
1366:QF 4-inch Mk XIX
1361:QF 4-inch Mk XVI
1295:BL 6-inch Mk XII
1184:Second World War
1173:
1166:
1159:
1150:
1097:BL 9.2-inch Mk X
985:ML 3-inch mortar
873:25-pounder Short
753:
746:
739:
730:
725:
723:
721:
652:
635:
634:
628:
620:
617:fortroddhill.com
609:
603:
602:
601:on 14 April 2014
600:
589:
580:
574:
573:
562:
551:
550:
548:
546:
535:
529:
523:
506:
499:
382:British Columbia
306:Second World War
292:in 1933. Formal
108:Second World War
42:
33:
28:
1703:
1702:
1698:
1697:
1696:
1694:
1693:
1692:
1673:57 mm artillery
1658:
1657:
1656:
1651:
1599:
1595:18-inch torpedo
1573:
1546:
1527:21-inch Mk VIII
1508:
1482:
1419:
1390:
1356:BL 4-inch Mk IX
1351:QF 4-inch Mk IV
1326:
1309:
1264:
1258:
1234:
1205:
1186:
1177:
1147:
1142:
1111:
1107:BL 15-inch Mk I
1055:
994:
966:
945:
921:155 mm Long Tom
888:
882:
858:75 mm Gun M1917
846:
820:
769:
757:
719:
717:
709:
682:
662:Campbell, John
659:
657:Further reading
642:
639:
638:
621:
611:
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606:
598:
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582:
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564:
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528:quarryhs.co.uk
524:
520:
510:
509:
500:
496:
486:
390:
329:
270:First World War
262:
158:
123:
88:In service
83:Service history
56:
31:
26:
21:
12:
11:
5:
1701:
1699:
1691:
1690:
1685:
1680:
1675:
1670:
1660:
1659:
1653:
1652:
1650:
1649:
1644:
1638:
1633:
1628:
1623:
1618:
1613:
1611:20 mm Oerlikon
1607:
1605:
1601:
1600:
1598:
1597:
1592:
1587:
1581:
1579:
1575:
1574:
1572:
1571:
1566:
1561:
1554:
1552:
1548:
1547:
1545:
1544:
1542:24.5-inch Mk I
1539:
1534:
1529:
1524:
1522:21-inch Mk VII
1518:
1516:
1510:
1509:
1507:
1506:
1501:
1496:
1490:
1488:
1484:
1483:
1481:
1480:
1475:
1470:
1465:
1463:QF 4-inch Mk V
1460:
1455:
1450:
1445:
1443:20 mm Oerlikon
1440:
1435:
1429:
1427:
1421:
1420:
1418:
1417:
1412:
1407:
1401:
1399:
1392:
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1368:
1363:
1358:
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1335:
1311:
1310:
1308:
1307:
1302:
1297:
1292:
1287:
1282:
1277:
1275:QF 4-inch Mk V
1271:
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1260:
1259:
1257:
1256:
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1119:
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1057:
1056:
1054:
1053:
1048:
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1038:
1033:
1028:
1023:
1018:
1013:
1011:20 mm Oerlikon
1008:
1002:
1000:
996:
995:
993:
992:
987:
982:
976:
974:
968:
967:
965:
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865:
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844:
839:
834:
828:
826:
825:Anti-tank guns
822:
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680:External links
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670:J. J. Colledge
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374:Fort Rodd Hill
328:
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298:Culver Battery
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129:Specifications
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110:
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78:United Kingdom
76:
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35:
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9:
6:
4:
3:
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1567:
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1562:
1560:
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1555:
1553:
1549:
1543:
1540:
1538:
1537:21-inch Mk XI
1535:
1533:
1530:
1528:
1525:
1523:
1520:
1519:
1517:
1515:
1511:
1505:
1502:
1500:
1497:
1495:
1492:
1491:
1489:
1487:Light weapons
1485:
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1286:
1283:
1281:
1278:
1276:
1273:
1272:
1270:
1268:main armament
1267:
1266:light cruiser
1261:
1255:
1252:
1250:
1247:
1246:
1244:
1242:main armament
1241:
1240:Heavy cruiser
1237:
1231:
1228:
1226:
1223:
1221:
1218:
1217:
1215:
1213:main armament
1212:
1208:
1202:
1199:
1198:
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1193:
1189:
1185:
1181:
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1169:
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1120:
1118:
1114:
1108:
1105:
1103:
1100:
1098:
1095:
1093:
1090:
1088:
1085:
1083:
1080:
1078:
1075:
1073:
1072:QF 12-pounder
1070:
1068:
1065:
1064:
1062:
1060:Coast defence
1058:
1052:
1049:
1047:
1044:
1042:
1039:
1037:
1034:
1032:
1029:
1027:
1024:
1022:
1019:
1017:
1016:20 mm Polsten
1014:
1012:
1009:
1007:
1004:
1003:
1001:
997:
991:
988:
986:
983:
981:
978:
977:
975:
973:
969:
963:
960:
958:
955:
954:
952:
950:Mountain guns
948:
942:
939:
937:
934:
932:
929:
927:
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922:
919:
917:
914:
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902:
899:
897:
894:
893:
891:
885:
879:
876:
874:
871:
869:
866:
864:
863:QF 18-pounder
861:
859:
856:
855:
853:
849:
843:
842:QF 17-pounder
840:
838:
835:
833:
830:
829:
827:
823:
817:
814:
812:
809:
807:
806:QF 17-pounder
804:
802:
799:
797:
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792:
789:
787:
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503:hundredweight
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353:Fort Ricasoli
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327:Coast defence
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310:Baker Perkins
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302:Isle of Wight
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18:6-pounder gun
1616:40 mm Bofors
1557:Thornycroft
1532:21-inch Mk X
1453:40 mm Bofors
1340:
1285:QF 5.25-inch
1211:Capital ship
1066:
1031:Bofors 40 mm
837:QF 6-pounder
832:QF 2-pounder
791:QF 6-pounder
786:QF 3-pounder
781:QF 2-pounder
767:World War II
718:. Retrieved
714:
697:
673:
663:
648:
616:
607:
596:the original
591:
578:
569:
543:. Retrieved
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349:World War II
338:
287:
263:
253:
251:
96:Used by
47:
22:
1473:QF 4.5-inch
1371:QF 4.5-inch
1315:Minesweeper
1290:BL 5.5-inch
1280:QF 4.5-inch
1041:QF 3.7-inch
545:4 September
452:BL 4.7-inch
268:during the
260:Development
218:360 degrees
91:1930s–1950s
69:coastal gun
1662:Categories
1230:BL 16-inch
1225:BL 15-inch
1220:BL 14-inch
1201:BL 15-inch
526:Ammo Table
294:War Office
1514:Torpedoes
1396:Submarine
1332:Destroyer
1036:QF 3-inch
1006:Z Battery
774:Tank guns
763:artillery
720:13 August
513:Citations
463:HMS
427:HMS
398:HMS
388:Naval gun
341:Singapore
204:Elevation
65:Naval gun
46:HMS
1564:Hedgehog
1334:armament
1323:Corvette
811:77 mm HV
796:QF 75 mm
649:Navweaps
625:cite web
477:Montrose
465:Campbell
441:Whitshed
361:Valletta
318:monobloc
283:barbette
214:Traverse
119:Variants
1328:Frigate
1192:Monitor
972:Mortars
592:Fortlet
435:Windsor
429:Walpole
408:E-boats
355:in the
300:on the
208:-10/+80
174:Calibre
53:Harwich
471:Mackay
447:Wivern
400:Mackay
321:barrel
194:Recoil
184:Breech
142:Length
48:Mackay
1641:Y-gun
1569:Squid
1319:Sloop
599:(PDF)
588:(PDF)
541:. BBC
489:Notes
365:Malta
345:Dover
164:Shell
1398:guns
1330:and
1194:guns
722:2016
631:link
547:2013
474:and
444:and
252:The
150:Crew
134:Mass
104:Wars
67:and
61:Type
765:of
376:at
369:MAS
359:at
1664::
1321:,
1317:,
713:.
672:,
647:.
627:}}
623:{{
615:.
590:,
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555:^
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461:,
438:,
432:,
380:,
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651:.
633:)
572:.
549:.
153:6
55:.
20:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
