413:
86:
25:
432:
525:
turret opening. The large volume of propellant gases released inside the turret required the addition of a "smoke box" at the muzzle in the interior of the turret. As a result, the 15 in gunners could not see their targets and had to aim with the 8 in (200 mm) or 11 in (280 mm) guns.
524:
required the new monitors to be equipped with at least one gun of 15-inch caliber, resulting in rush production of a new 15-inch
Dahlgren. The turret was 21 ft (6.4 m) in diameter inside with the 15 in (380 mm) gun mounted flush because the muzzle diameter was too large for the
537:
also had this modification by July 1863, and, eventually, all surviving members of this class had an additional 15-inch smoothbore added. Later improvements included an additional 50 tons of deck plating over the magazines and machinery spaces as well as rings fitted around the turret and pilot
474:
and had their pilothouses atop the turret, rather than near the bow. This allowed a wider field of view and easier communications between captain, pilot and crew. The shape of the hull was an improvement; a fuller and rounder lower hull, far more boat-like than that of the
483:
class featured an 18 ft (5.5 m) funnel and improved ventilation. In combination, the significant hydrodynamic refinements and improved draught to the boilers resulted in a one-knot speed increase over the prototype monitor, despite the
412:
946:
977:
816:
797:
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759:
740:
68:
46:
39:
1374:
518:
970:
235:
1246:
1028:
130:
122:
85:
1369:
963:
390:
33:
1118:
1069:
1020:
161:
1077:
444:
111:
50:
645:
492:
275:
1292:
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1172:
1061:
933:
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174:
115:
8:
1239:
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926:
919:
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626:
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596:
589:
575:
1346:
1225:
1165:
1111:
1054:
912:
891:
561:
554:
510:
in fortifications and disappointed with the performance of the 11-inch
Dahlgren versus
1339:
1332:
1325:
898:
884:
839:
812:
793:
774:
755:
736:
610:
568:
377:
216:
1299:
1151:
1047:
1202:
1158:
955:
1317:
1207:
386:
503:
being almost 400 tons heavier and yet with the same 320ihp-rated machinery).
1363:
1271:
1137:
843:
530:
507:
452:
329:
271:
1285:
1232:
1104:
521:
511:
401:
312:
998:
850:
460:
394:
287:
148:
1278:
1144:
309:
538:
houses to prevent their pivoting machinery from being jammed by shot.
382:
431:
374:
809:
Arming the Fleet: U.S. Naval
Ordnance in the Muzzle-Loading Era
769:
Olmstead, Edwin; Stark, Wayne E.; Tucker, Spencer C. (1997).
459:-class warships, drawing upon lessons learned from the first
416:
Picture by Taylor and
Huntington as being the turret of USS
735:. Vol. 2. Annapolis, Maryland: Naval Institute Press.
771:
The Big Guns: Civil War Siege, Seacoast, and Naval Cannon
773:. Alexandria Bay, New York: Museum Restoration Service.
625:
The first ship of the class was named for the city of
792:. The U.S. Navy Warship Series. New York: Routledge.
274:, 1-shaft Ericsson vibrating lever engine, 320
768:
529:had her 11-inch smoothbore replaced with an 8-inch
985:
339:2 Ă— 15-inch (380 mm) smoothbore Dahlgren guns
325:1 Ă— 15-inch (380 mm) smoothbore Dahlgren gun
317:1 Ă— 11-inch (280 mm) smoothbore Dahlgren gun
1361:
648:monitor type built to the plans of the American
811:. Annapolis, Maryland: Naval Institute Press.
971:
733:The Old Steam Navy: The Ironclads, 1842–1885
787:
752:Warships and Naval Battles of the Civil War
479:, and with a less pronounced overhang. The
978:
964:
947:List of monitors of the United States Navy
855:
69:Learn how and when to remove this message
430:
411:
32:This article includes a list of general
749:
470:monitors were larger than the original
393:. The class was an improved version of
1362:
825:
806:
730:
959:
854:
826:Wright, Christopher C. (June 2021). "
404:in place of one of the 11-inch guns.
424:-class monitor-possibly that of USS
18:
13:
354:Side: 3–5 in (76–127 mm)
262:10 ft 6 in (3.20 m)
38:it lacks sufficient corresponding
14:
1386:
541:
506:Having observed the new 15-inch
357:Turret: 11 in (280 mm)
84:
23:
519:Assistant Secretary of the Navy
246:200 ft (61 m) overall
1196:Ocean-going casemate ironclads
986:Ironclads of the United States
707:
694:
681:
672:
663:
466:, which he also designed. The
16:Early US ironclad warship type
1:
788:Silverstone, Paul H. (2006).
724:
451:Naval architect and engineer
420:; in fact the turret is of a
1265:Never-commissioned ironclads
360:Deck: 1 in (25 mm)
290:(13 km/h; 8.1 mph)
7:
1131:Riverine casemate ironclads
807:Tucker, Spencer C. (1989).
754:. New York: Gallery Books.
632:
10:
1391:
790:Civil War Navies 1855–1883
731:Canney, Donald L. (1993).
308:1 Ă— 15-inch (380 mm)
131:Reaney, Son & Archbold
123:Harlan & Hollingsworth
1310:
1264:
1218:
1195:
1130:
1097:
1041:River and harbor monitors
1040:
991:
944:
866:
407:
328:1 Ă— 8-inch (200 mm)
207:
135:Donohue, Ryan & Secor
99:
83:
656:
400:equipped with a 15-inch
1311:Miscellaneous ironclads
208:General characteristics
187:25 November 1862 – 1899
53:more precise citations.
1375:Passaic-class monitors
1219:Commissioned ironclads
750:Gibbons, Tony (1989).
448:
445:Philadelphia Navy Yard
428:
254:46 ft (14 m)
112:Continental Iron Works
832:Warship International
830:at Jamestown, 1907".
646:Imperial Russian Navy
434:
415:
1098:Ocean-going monitors
391:Spanish–American War
627:Passaic, New Jersey
385:saw service in the
138:Atlantic Iron Works
449:
429:
94:on the James River
1357:
1356:
953:
952:
678:Silverstone, p. 5
669:Silverstone, p. 5
366:
365:
321:Lehigh, Patapsco:
158:Succeeded by
79:
78:
71:
1382:
992:Coastal monitors
980:
973:
966:
957:
956:
852:
851:
847:
822:
803:
784:
765:
746:
718:
711:
705:
698:
692:
689:Arming the Fleet
685:
679:
676:
670:
667:
550:class included:
119:
88:
81:
80:
74:
67:
63:
60:
54:
49:this article by
40:inline citations
27:
26:
19:
1390:
1389:
1385:
1384:
1383:
1381:
1380:
1379:
1370:Monitor classes
1360:
1359:
1358:
1353:
1306:
1260:
1214:
1203:Stevens Battery
1191:
1126:
1093:
1036:
987:
984:
954:
949:
940:
862:
860:-class monitors
819:
800:
781:
762:
743:
727:
722:
721:
712:
708:
699:
695:
686:
682:
677:
673:
668:
664:
659:
635:
544:
410:
226:1,335 tons
127:Harrison Loring
110:
95:
75:
64:
58:
55:
45:Please help to
44:
28:
24:
17:
12:
11:
5:
1388:
1378:
1377:
1372:
1355:
1354:
1352:
1351:
1348:Spuyten Duyvil
1344:
1337:
1330:
1323:
1314:
1312:
1308:
1307:
1305:
1304:
1297:
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1205:
1199:
1197:
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1192:
1190:
1189:
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1177:
1170:
1163:
1156:
1149:
1142:
1134:
1132:
1128:
1127:
1125:
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1083:
1075:
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1038:
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983:
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975:
968:
960:
951:
950:
945:
942:
941:
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938:
931:
924:
917:
910:
903:
896:
889:
882:
875:
867:
864:
863:
849:
848:
838:(2): 126–162.
823:
817:
804:
798:
785:
779:
766:
760:
747:
741:
726:
723:
720:
719:
706:
693:
680:
671:
661:
660:
658:
655:
654:
653:
642:-class monitor
634:
631:
623:
622:
615:
608:
601:
594:
587:
580:
573:
566:
559:
543:
542:Ships in class
540:
493:specific power
409:
406:
387:U.S. Civil War
364:
363:
362:
361:
358:
355:
352:
347:
343:
342:
341:
340:
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332:
326:
323:
318:
315:
304:
300:
299:
296:
292:
291:
284:
280:
279:
272:Martin boilers
268:
264:
263:
260:
256:
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252:
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228:
227:
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155:
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128:
125:
120:
106:
102:
101:
100:Class overview
97:
96:
89:
77:
76:
31:
29:
22:
15:
9:
6:
4:
3:
2:
1387:
1376:
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1371:
1368:
1367:
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1350:
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1345:
1343:
1342:
1338:
1336:
1335:
1334:New Ironsides
1331:
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1143:
1141:
1140:
1136:
1135:
1133:
1129:
1123:
1121:
1117:
1115:
1114:
1110:
1108:
1107:
1103:
1102:
1100:
1096:
1090:
1088:
1084:
1082:
1080:
1076:
1074:
1072:
1068:
1066:
1064:
1060:
1058:
1057:
1053:
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1050:
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1045:
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1023:
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990:
981:
976:
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967:
962:
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948:
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932:
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923:
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911:
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841:
837:
833:
829:
824:
820:
818:0-87021-007-6
814:
810:
805:
801:
799:0-415-97870-X
795:
791:
786:
782:
780:0-88855-012-X
776:
772:
767:
763:
761:0-8317-9301-5
757:
753:
748:
744:
742:0-87021-586-8
738:
734:
729:
728:
716:
710:
703:
697:
690:
684:
675:
666:
662:
651:
647:
643:
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621:
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571:
567:
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564:
560:
558:
557:
553:
552:
551:
549:
539:
536:
532:
531:Parrott rifle
528:
523:
520:
516:
515:
509:
508:Rodman cannon
504:
502:
498:
494:
491:
487:
482:
478:
473:
469:
465:
464:
458:
455:designed the
454:
453:John Ericsson
446:
442:
438:
433:
427:
423:
419:
414:
405:
403:
399:
398:
392:
388:
384:
380:
379:
376:
372:
359:
356:
353:
350:
349:
348:
345:
344:
338:
336:
333:
331:
330:Parrott rifle
327:
324:
322:
319:
316:
314:
311:
307:
306:
305:
302:
301:
297:
294:
293:
289:
285:
282:
281:
278:(240 kW)
277:
273:
269:
266:
265:
261:
258:
257:
253:
250:
249:
245:
242:
241:
237:
233:
230:
229:
225:
222:
221:
218:
215:
212:
211:
206:
202:
199:
198:
194:
191:
190:
186:
184:In commission
183:
182:
179:
177:
173:
170:
169:
166:
164:
160:
157:
156:
153:
152:
147:
144:
143:
137:
134:
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126:
124:
121:
117:
113:
109:
108:
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103:
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93:
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82:
73:
70:
62:
59:February 2013
52:
48:
42:
41:
35:
30:
21:
20:
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1300:
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1272:
1254:
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1240:
1233:
1226:
1208:
1180:
1173:
1166:
1159:
1152:
1145:
1138:
1119:
1112:
1105:
1086:
1078:
1070:
1062:
1055:
1048:
1029:
1021:
1013:
1012:
1006:
999:
934:
927:
920:
913:
906:
899:
892:
885:
878:
871:
857:
856:
835:
831:
827:
808:
789:
770:
751:
732:
715:The Big Guns
714:
709:
702:The Big Guns
701:
696:
688:
683:
674:
665:
649:
639:
624:
618:
611:
604:
597:
590:
583:
576:
569:
562:
555:
547:
546:Warships of
545:
534:
526:
522:Gustavus Fox
513:
505:
500:
496:
489:
485:
480:
476:
471:
467:
462:
456:
450:
447:, circa 1902
440:
436:
425:
421:
417:
402:Dahlgren gun
396:
370:
369:
367:
334:
320:
313:Dahlgren gun
231:Tons burthen
223:Displacement
175:
162:
150:
91:
65:
56:
37:
1160:Chillicothe
1030:Miantonomoh
691:pp. 218–220
145:Preceded by
51:introducing
1364:Categories
1318:USRC
1209:Dunderberg
1187:City class
725:References
713:Olmstead,
700:Olmstead,
310:smoothbore
295:Complement
267:Propulsion
171:Subclasses
116:Greenpoint
34:references
1320:Naugatuck
1294:Nashville
1273:Albemarle
1255:Tennessee
1248:Stonewall
1181:Tuscumbia
1174:Lafayette
1139:Indianola
1120:Kalamazoo
1071:Milwaukee
1022:Canonicus
935:Weehawken
907:Nantucket
844:0043-0374
828:Canonicus
605:Nantucket
584:Weehawken
512:CSS
488:having a
461:USS
395:USS
383:U.S. Navy
335:Camanche:
192:Completed
163:Canonicus
149:USS
1287:Missouri
1241:Eastport
1234:Columbia
1106:Dictator
1079:Marietta
1007:Onondaga
928:Sangamon
921:Patapsco
879:Catskill
872:Camanche
687:Tucker,
633:See also
619:Camanche
598:Catskill
591:Sangamon
577:Patapsco
514:Virginia
439:and USS
389:and the
378:monitors
375:ironclad
303:Armament
105:Builders
1227:Atlanta
1167:Choctaw
1113:Puritan
1056:Roanoke
1014:Passaic
1000:Monitor
914:Passaic
893:Montauk
858:Passaic
717:, p. 94
704:, p. 91
650:Passaic
563:Montauk
556:Passaic
548:Passaic
535:Passaic
501:Passaic
497:Monitor
486:Passaic
481:Passaic
477:Monitor
472:Monitor
468:Passaic
463:Monitor
457:Passaic
443:in the
441:Montauk
422:Passiac
418:Monitor
397:Monitor
381:of the
373:-class
371:Passaic
259:Draught
217:Monitor
151:Monitor
47:improve
1341:Keokuk
1327:Galena
1280:Baltic
1146:Benton
1063:Neosho
900:Nahant
886:Lehigh
842:
815:
796:
777:
758:
739:
652:class.
640:Uragan
612:Lehigh
570:Nahant
527:Lehigh
437:Lehigh
426:Lehigh
408:Design
243:Length
176:Uragan
92:Lehigh
36:, but
1301:Texas
1153:Essex
1122:class
1089:class
1087:Casco
1081:class
1073:class
1065:class
1049:Ozark
1032:class
1024:class
1016:class
836:LVIII
657:Notes
644:, an
495:than
490:lower
346:Armor
288:knots
283:Speed
234:844 (
178:class
165:class
118:, NY)
840:ISSN
813:ISBN
794:ISBN
775:ISBN
756:ISBN
737:ISBN
435:USS
368:The
351:Iron
251:Beam
213:Type
200:Lost
90:USS
276:ihp
1366::
834:.
629:.
533:.
517:,
298:75
286:7
270:2
236:bm
195:10
979:e
972:t
965:v
846:.
821:.
802:.
783:.
764:.
745:.
499:(
238:)
203:2
114:(
72:)
66:(
61:)
57:(
43:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
