42:
530:) ammunition. The Mod 4 was experimental in that it eliminated the trunnions and used a threaded sleeve. Mod 5s were reworked Mod 1s making them capable of handling case ammunition. As with the Mod 5 the Mod 6 were Mod 2s reworked to handle case ammunition. The Mod 7 was skipped and no drawings exist for this Mod. The Mod 8 was another Mod 2 rework, this time removing the trunnions and using a threaded sleeve. The last Mod was the Mod 9, using a Mod 3 gun and giving it a full-length liner.
517:
with a screwed on muzzle bell. The Mark 2 also trunnioned with the Mark 2 Mod 1 only having 10 hoops, jacket, and chamber liner and the Mod 2 the same but with a full-length liner. All Mark 1 and Mark 2 guns were constructed to a length of 30 calibers. In 1895 all Mark 2s were ordered to be converted
525:
The Mark 3 was trunnioned as the Mark 1 and Mark 2, but was built in three different caliber lengths, 30, 35, and 40, in eight different Mods, Mod 0 – Mod 6 and Mod's 8 and 9. Mod 0 was 30 caliber with Mod 1 being 35 caliber. All 30 and 35 caliber Mods had a liner, 10 hoops, and a jacket. Mod 2 was
1421:
462:
used for the primary and secondary batteries in the succeeding early protected cruisers in addition to secondary batteries in the "Second Class
Battleships"
1132:
857:
1444:
997:
17:
1008:
494:, in later years they were not considered strong enough to withstand the higher chamber pressures generated by the newer
518:
to rapid-fire, fixed ammunition. This was done in 1898–1902 with gun No. 2 being delivered in
November 1898 for use in
1089:
1066:
527:
1125:
1238:
1179:
1174:
912:
108:
1118:
1449:
483:
103:
270:
1400:
1110:
1194:
1189:
1184:
1169:
1164:
1159:
753:
719:
324:
1384:
1379:
1366:
1356:
1351:
1346:
1327:
1322:
1317:
1294:
1289:
1284:
1279:
1274:
1264:
1259:
1254:
1233:
1228:
1223:
1218:
1058:
821:
526:
40 caliber with only eight hoops. Mod 3 was again 30 caliber but introduced the use of case (
305:
1374:
894:
685:
148:
8:
1081:
770:
736:
702:
552:
428:
41:
804:
603:
569:
447:
441:
421:
297:
130:
91:
46:
1085:
1062:
993:
787:
586:
453:
438:
1027:
883:
661:
637:
620:
495:
469:
463:
1028:"United States of America 6"/30, 6"/35 and 6"/40 (15.2 cm) Marks 1, 2, 3, 4 and 7"
987:
983:
872:
868:
425:
380:
853:
1438:
1050:
420:(spoken "six-inch-thirty-caliber") were used for the primary battery of the
1150:
506:
491:
487:
357:
1105:
1142:
499:
113:
347:
258:
482:
The 6-inch/30 caliber Mark 1, 2, and 3 guns were developed before the
1337:
1304:
60:
514:
510:
1106:
Bluejackets Manual, 1917, 4th revision: US Navy 14-inch Mark 1 gun
906:
1308:
1204:
1140:
314:
1055:
Register of Ships of the U.S. Navy, 1775–1990: Major
Combatants
1416:
951:
949:
947:
944:
498:
adopted around 1898 and were obsolete before the start of
437:
being used in the secondary batteries for its "New Navy"
934:
932:
930:
928:
961:
925:
370:As commissioned: 1.5 rounds per minute (case guns)
364:As commissioned: 0.66 rounds per minute (bag guns)
188:Mark 1, Mark 2 Mod 1 – Mod 3, Mark 3 Mod 0 – Mod 9
408:18,000 yd (16,000 m) at 30.2° elevation
206:: 11,010 lb (4,990 kg) (without breech)
1436:
907:Weapons of comparable role, performance and era
844:At least five guns of this type are preserved:
833:Mark 4: 6 × central-pivot w/single-piece slide
816:Mark 4: 6 × central-pivot w/single-piece slide
799:Mark 4: 6 × central-pivot w/single-piece slide
782:Mark 4: 6 × central-pivot w/single-piece slide
656:Mark 4: 6 × central-pivot w/single-piece slide
405:9,000 yd (8,200 m) at 15.3° elevation
1126:
373:After 1906: 7.6 rounds per minute (case guns)
1078:U.S. Cruisers: An Illustrated Design History
1049:
367:After 1906: 7.3 rounds per minute (bag guns)
1133:
1119:
505:The Mark 1, gun No. 1, was constructed of
1006:
967:
858:National Museum of the United States Navy
393:2,150 ft/s (660 m/s) 40 caliber
390:2,000 ft/s (610 m/s) 35 caliber
387:1,950 ft/s (590 m/s) 30 caliber
1075:
1026:
982:
955:
938:
893:(PG-3) at the Veterans Memorial Museum,
675:Mark 3: 6"/40 caliber (refit 1901–1902)
285:: 240 in (6,100 mm) bore (40)
279:: 210 in (5,300 mm) bore (35)
269:: 180 in (4,600 mm) bore (30
14:
1437:
1114:
1007:Hartshorn, Byron (24 February 2015).
839:
24:
1043:
25:
1461:
1099:
513:, an elevating band and integral
1265:5"/51 caliber Mark 7–8 and 14–15
672:Mark 3: 6"/30 caliber (as built)
533:
400:Effective firing range
233:: 193.53 in (4,916 mm)
212:: 10,430 lb (4,730 kg)
40:
1445:Naval guns of the United States
615:Mark 2: 8 × muzzle pivot mount
598:Mark 2: 6 × muzzle pivot mount
581:Mark 2: 6 × muzzle pivot mount
304:105 lb (48 kg) naval
227:: 189.7 in (4,820 mm)
34:6"/30 caliber Mark 1, 2, and 3
1141:American naval weapons of the
1053:; Roberts, Stephen S. (1991).
989:Naval Weapons of World War One
915:approximate British equivalent
155:
13:
1:
976:
251:: 256 in (6,500 mm)
245:: 226 in (5,700 mm)
239:: 196 in (5,000 mm)
882:(ACR-1) at the city hall in
340:: −10° to +12° (later units)
7:
1185:13"/35 caliber Mark 1 and 2
1170:12"/40 caliber Mark 3 and 4
1165:12"/35 caliber Mark 1 and 2
901:
731:Mark 3: 12 × central-pivot
680:Mark 3: 12 × central-pivot
564:Mark 1: 1 × shifting pivot
334:: −7° to +12° (early units)
10:
1466:
1290:8"/35 caliber Mark 3 and 4
1280:6"/50 caliber Mark 6 and 8
1270:6"/30 caliber Mark 2 and 3
1260:5"/50 caliber Mark 5 and 6
1224:6"/50 caliber Mark 6 and 8
1214:6"/30 caliber Mark 2 and 3
765:Mark 3: 2 × central-pivot
748:Mark 3: 2 × central-pivot
714:Mark 3: 6 × central-pivot
697:Mark 3: 6 × central-pivot
632:Mark 3: 6 × central-pivot
1409:
1393:
1365:
1336:
1303:
1247:
1203:
1149:
1084:: Naval Institute Press.
1076:Friedman, Norman (1984).
651:Mark 3: 2 × 6"/35 caliber
648:Mark 3: 4 × 6"/30 caliber
477:
399:
379:
356:
346:
323:
313:
296:
291:
257:
218:
197:
192:
184:
154:
144:
136:
126:
121:
97:
87:
79:
74:
67:Place of origin
66:
56:
39:
32:
919:
913:BL 6 inch gun Mk II – VI
418:6"/30 caliber gun Mark 1
51:, 6-inch/30 caliber gun.
1401:.50 caliber machine gun
992:. Seaforth Publishing.
319:6 in (152 mm)
109:Philippine–American War
1410:Anti-submarine weapons
1323:4"/40 caliber Mark 1–6
1255:5"/40 caliber Mark 2–4
1030:. Navweaps. 3 May 2015
1013:around Washington, DC"
830:Mark 3: 6"/30 caliber
813:Mark 3: 6"/30 caliber
796:Mark 3: 6"/30 caliber
779:Mark 3: 6"/30 caliber
762:Mark 3: 6"/40 caliber
745:Mark 3: 6"/40 caliber
728:Mark 3: 6"/30 caliber
711:Mark 3: 6"/30 caliber
694:Mark 3: 6"/30 caliber
629:Mark 3: 6"/30 caliber
612:Mark 2: 6"/30 caliber
595:Mark 2: 6"/30 caliber
578:Mark 2: 6"/30 caliber
561:Mark 1: 6"/30 caliber
358:Rate of fire
249:Mark 3 Mod 2 and Mod 8
237:Mark 3 Mod 0 and Mod 3
149:U.S. Naval Gun Factory
18:6"/30 caliber gun
1367:Anti-aircraft weapons
1239:10"/40 caliber Mark 3
1180:12"/50 caliber Mark 7
1175:12"/45 caliber Mark 5
1160:10"/30 caliber Mark 2
1059:Westport, Connecticut
1422:8"/23 caliber Mark 7
1295:8"/45 caliber Mark 6
1285:7"/45 caliber Mark 2
1275:6"/40 caliber Mark 4
1234:8"/45 caliber Mark 6
1229:8"/30 caliber Mark 2
1219:6"/40 caliber Mark 4
895:Chehalis, Washington
484:Spanish–American War
381:Muzzle velocity
104:Spanish–American War
1082:Annapolis, Maryland
1061:: Greenwood Press.
958:, pp. 179–180.
1248:Secondary armament
1009:"Visiting the USS
439:protected cruisers
422:United States Navy
131:Bureau of Ordnance
122:Production history
92:United States Navy
1430:
1429:
999:978-1-84832-100-7
840:Preserved weapons
837:
836:
414:
413:
16:(Redirected from
1457:
1450:152 mm artillery
1135:
1128:
1121:
1112:
1111:
1095:
1072:
1039:
1037:
1035:
1023:
1021:
1019:
1003:
984:Friedman, Norman
971:
965:
959:
953:
942:
936:
884:Alpena, Michigan
538:
537:
496:smokeless powder
157:
44:
35:
30:
29:
21:
1465:
1464:
1460:
1459:
1458:
1456:
1455:
1454:
1435:
1434:
1431:
1426:
1405:
1389:
1361:
1332:
1299:
1243:
1199:
1145:
1143:First World War
1139:
1102:
1092:
1069:
1046:
1044:Further reading
1033:
1031:
1017:
1015:
1000:
979:
974:
966:
962:
954:
945:
937:
926:
922:
909:
904:
873:Fort Allen Park
869:Portland, Maine
842:
536:
486:and still used
480:
426:dispatch vessel
292:
80:In service
75:Service history
52:
33:
28:
23:
22:
15:
12:
11:
5:
1463:
1453:
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1447:
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1427:
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1241:
1236:
1231:
1226:
1221:
1216:
1210:
1208:
1201:
1200:
1198:
1197:
1195:14"/50 caliber
1192:
1190:14"/45 caliber
1187:
1182:
1177:
1172:
1167:
1162:
1156:
1154:
1147:
1146:
1138:
1137:
1130:
1123:
1115:
1109:
1108:
1101:
1100:External links
1098:
1097:
1096:
1090:
1073:
1067:
1051:Bauer, K. Jack
1045:
1042:
1041:
1040:
1024:
1004:
998:
978:
975:
973:
972:
968:Hartshorn 2015
960:
943:
923:
921:
918:
917:
916:
908:
905:
903:
900:
899:
898:
889:Two guns from
887:
876:
861:
854:Washington, DC
841:
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544:Gun Installed
542:
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532:
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476:
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353:
352:−150° to +150°
350:
344:
343:
342:
341:
335:
327:
321:
320:
317:
311:
310:
309:
308:
306:armor-piercing
300:
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193:Specifications
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1423:
1420:
1418:
1415:
1414:
1412:
1408:
1402:
1399:
1398:
1396:
1394:Light weapons
1392:
1386:
1385:3"/50 caliber
1383:
1381:
1380:3"/23 caliber
1378:
1376:
1373:
1372:
1370:
1368:
1364:
1358:
1357:4"/50 caliber
1355:
1353:
1352:3"/50 caliber
1350:
1348:
1347:3"/23 caliber
1345:
1344:
1342:
1339:
1335:
1329:
1328:4"/50 caliber
1326:
1324:
1321:
1319:
1318:3"/50 caliber
1316:
1315:
1313:
1310:
1306:
1302:
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1232:
1230:
1227:
1225:
1222:
1220:
1217:
1215:
1212:
1211:
1209:
1207:main armament
1206:
1202:
1196:
1193:
1191:
1188:
1186:
1183:
1181:
1178:
1176:
1173:
1171:
1168:
1166:
1163:
1161:
1158:
1157:
1155:
1153:main armament
1152:
1148:
1144:
1136:
1131:
1129:
1124:
1122:
1117:
1116:
1113:
1107:
1104:
1103:
1093:
1091:0-87021-718-6
1087:
1083:
1079:
1074:
1070:
1068:0-313-26202-0
1064:
1060:
1056:
1052:
1048:
1047:
1029:
1025:
1014:
1012:
1005:
1001:
995:
991:
990:
985:
981:
980:
969:
964:
957:
956:Friedman 2011
952:
950:
948:
940:
939:Navweaps 2015
935:
933:
931:
929:
924:
914:
911:
910:
896:
892:
888:
885:
881:
878:One gun from
877:
874:
870:
866:
863:One gun from
862:
859:
855:
851:
848:One gun from
847:
846:
845:
832:
829:
827:
825:
820:
819:
815:
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810:
808:
803:
802:
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795:
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791:
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778:
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769:
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734:
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723:
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691:
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660:
659:
655:
650:
647:
646:
645:
643:
641:
636:
635:
631:
628:
626:
625: (ACR-1)
624:
619:
618:
614:
611:
609:
607:
602:
601:
597:
594:
592:
590:
585:
584:
580:
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575:
573:
568:
567:
563:
560:
558:
557: (PG-24)
556:
551:
550:
546:
543:
540:
539:
534:Naval Service
531:
529:
523:
521:
516:
512:
509:, jacket, 16
508:
503:
501:
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493:
489:
485:
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78:
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70:United States
69:
65:
62:
59:
55:
50:
49:
43:
38:
31:
19:
1432:
1375:QF 1-pounder
1269:
1213:
1151:Capital ship
1077:
1054:
1032:. Retrieved
1016:. Retrieved
1010:
988:
963:
890:
879:
864:
849:
843:
826: (PG-4)
823:
809: (PG-3)
806:
792: (PG-2)
789:
775: (PG-1)
772:
758: (C-13)
755:
741: (C-12)
738:
722:Philadelphia
721:
704:
687:
663:
642: (1892)
639:
622:
608: (1885)
605:
591: (1884)
588:
574: (1884)
571:
554:
524:
519:
504:
492:brown powder
488:black powder
481:
470:
464:
459:
454:
448:
442:
434:
429:
417:
415:
337:
331:
282:
276:
266:
261: length
248:
243:Mark 3 Mod 1
242:
236:
230:
224:
209:
203:
175:
169:
163:
145:Manufacturer
88:Used by
47:
867:(ACR-1) in
852:(ACR-1) in
756:Minneapolis
724: (C-4)
707: (C-3)
690: (C-2)
666: (C-1)
500:World War I
158: built
114:World War I
1439:Categories
1018:19 October
977:References
824:Bennington
688:Charleston
547:Gun Mount
528:semi-fixed
283:40 Caliber
277:35 Caliber
267:30 Caliber
1338:Submarine
1305:Destroyer
822:USS
805:USS
788:USS
771:USS
754:USS
737:USS
720:USS
705:Baltimore
703:USS
686:USS
662:USS
638:USS
621:USS
604:USS
587:USS
570:USS
553:USS
515:trunnions
433:with the
325:Elevation
61:Naval gun
27:Naval gun
1311:armament
986:(2011).
902:See also
773:Yorktown
739:Columbia
458:and the
348:Traverse
271:calibers
185:Variants
137:Designed
127:Designer
1309:gunboat
1205:Cruiser
891:Concord
856:at the
807:Concord
606:Chicago
572:Atlanta
555:Dolphin
520:Atlanta
449:Chicago
443:Atlanta
430:Dolphin
315:Caliber
48:Atlanta
1088:
1065:
1034:15 May
996:
790:Petrel
664:Newark
589:Boston
478:Design
460:Mark 3
455:Boston
452:, and
435:Mark 2
338:Mark 3
332:Mark 3
259:Barrel
231:Mark 2
225:Mark 1
219:Length
210:Mark 2
204:Mark 1
176:Mark 3
170:Mark 2
164:Mark 1
1417:Y-gun
1011:Maine
920:Notes
880:Maine
865:Maine
850:Maine
640:Texas
623:Maine
541:Ship
511:hoops
471:Texas
465:Maine
298:Shell
178:: 109
1340:guns
1307:and
1086:ISBN
1063:ISBN
1036:2016
1020:2016
994:ISBN
507:tube
468:and
416:The
198:Mass
172:: 20
140:1883
98:Wars
83:1885
57:Type
871:at
490:or
424:'s
166:: 1
156:No.
1441::
1080:.
1057:.
946:^
927:^
522:.
502:.
474:.
446:,
1134:e
1127:t
1120:v
1094:.
1071:.
1038:.
1022:.
1002:.
970:.
941:.
897:.
886:.
875:.
860:.
273:)
20:)
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