109:
31:
1108:
941:
Built during a time in which USN submarine strategy and tactics were rapidly changing, the N-class coastal patrol submarines proved to be too small to be really useful to a Navy that was finding itself on the world stage. The Lake boats in particular were disliked for poor habitability and
676:
shields. These had been omitted from previous classes to increase underwater speed. The previous classes used piping-and-canvas temporary bridges for extended surface runs; these were found to be inadequate on
521:), the Navy reduced the amount of money allocated to coastal submarines significantly. This forced them to order a more austere and smaller design. The N-class would be over 100 tons smaller than the preceding
623:
331 long tons (336 t) on the surface and 385 long tons (391 t) submerged. The N-class submarines had a crew of 3 officers and 26 enlisted men. They also had a diving depth of 200 feet (61.0 m).
603:
347 long tons (353 t) on the surface and 414 long tons (421 t) submerged. The N-class submarines had a crew of 2 officers and 23 enlisted men. They had a diving depth of 200 feet (61.0 m).
685:. All forward-deployed submarines were back-fitted with metal "chariot" bridge shields during the war. The coastal patrol nature of the small N-class submarines was emphasized by their lack of a
584:. The N-boats built by Lake differ considerably from their EB brethren, but are of a similar size and have the same military characteristics and therefore are considered the same class.
517:
The N-class boats were authorized under naval appropriations for Fiscal Year 1915. In order to be able to afford a fleet submarine in the same appropriations (eventually to become the
643:. The Lake boats had 300-brake-horsepower (224 kW) diesels and 150-horsepower (112 kW) motors. Regardless of designer, the N-class submarines could reach 13
1148:
651:(6,500 km; 4,000 mi) at 11 knots (20 km/h; 13 mph) and 30 nmi (56 km; 35 mi) at 5 knots (9.3 km/h; 5.8 mph) submerged.
1921:
1273:
647:(24 km/h; 15 mph) on the surface and 11 knots (20 km/h; 13 mph) underwater. On the surface, the boats had a range of 3,500
1141:
1268:
1118:
1916:
1166:
1134:
734:
549:
63:
1306:
1402:
949:, while the Lake boats were all scrapped in that year, their engines having been removed in 1921 to re-equip some of the
340:
1090:
1072:
1053:
665:. They carried four reloads, for a total of eight torpedoes. They were the last submarines to be designed without a
1590:
1837:
1832:
1808:
1803:
1798:
1793:
1788:
1783:
1778:
1773:
1768:
1332:
1255:
950:
946:
927:
919:
522:
137:
942:
reliability. They served only an average of 3.5 years while the EB design boats averaged 8.5 years of service.
1487:
1374:
678:
1467:
1381:
1911:
1706:
1664:
1521:
1439:
1414:
1388:
1299:
953:. The Seattle boats were decommissioned in 1926 and scrapped in 1931 to comply with the limits of the
1460:
1446:
1395:
1360:
1339:
1727:
1685:
1644:
1576:
1425:
1353:
1346:
655:
474:
20:
1284:
1761:
1741:
1720:
1671:
1604:
1562:
1528:
1367:
581:
391:
351:
85:
972:
1734:
1713:
1699:
1692:
1583:
1453:
1678:
1624:
1292:
541:
1820:
1597:
1514:
1507:
1246:
518:
401:
398:
364:
361:
124:
8:
1636:
1555:
954:
620:
600:
545:
628:
1862:
1548:
923:
587:
The
Electric Boat submarines had a length of 147 feet 3 inches (44.9 m)
557:
502:
114:
1855:
1569:
1540:
1201:
1086:
1068:
1049:
814:
673:
577:
498:
81:
1499:
1432:
1096:
636:
612:
592:
324:
1847:
1101:
1029:
983:
640:
608:
588:
354:
1905:
1616:
1479:
1114:
931:
648:
639:. When submerged each propeller was driven by a 280-horsepower (209 kW)
632:
344:
658:
616:
596:
477:
384:
627:
For surface running, the
Electric Boat submarines were powered by two 240-
1321:
935:
682:
644:
528:
The boats were constructed by two companies to different specifications;
506:
420:
1417:
1324:
662:
494:
672:
This class was the first US Navy submarine class completed with metal
1753:
1656:
1126:
184:
1314:
686:
666:
30:
1813:
1230:
1223:
1216:
1209:
1188:
1181:
1174:
887:
862:
837:
806:
781:
756:
726:
553:
481:
67:
525:, and would be the smallest boats built for the USN until 1952.
1046:
U.S. Submarines
Through 1945: An Illustrated Design History
607:
The Lake submarines had a length of 155 feet (47.2 m)
615:
of 14 feet 6 inches (4.4 m) and a mean
595:
of 15 feet 9 inches (4.8 m) and a mean
1274:
List of submarine classes of the United States Navy
1063:Gardiner, Robert & Gray, Randal, eds. (1985).
1030:Pigboats.COM N-class Design and Construction Notes
984:Pigboats.COM N-class Design and Construction Notes
1065:Conway's All the World's Fighting Ships 1906–1921
619:of 12 feet 4 inches (3.8 m). They
599:of 12 feet 6 inches (3.8 m). They
1903:
394:electric motors,300 hp (220 kW) total,
387:Diesel engines, 600 hp (450 kW) total,
1315:United States naval ship classes of World War I
945:By 1922 the Seattle boats were assigned to the
1067:. Annapolis, Maryland: Naval Institute Press.
1048:. Annapolis, Maryland: Naval Institute Press.
426:11 knots (20 km/h; 13 mph) submerged
1300:
1142:
1269:List of submarines of the United States Navy
1062:
1922:World War I submarines of the United States
1119:Dictionary of American Naval Fighting Ships
548:and sub-contracted for construction to the
1307:
1293:
1149:
1135:
1097:Navsource.org early diesel submarines page
973:Pigboats.COM Submarine Specifications page
697:The seven submarines of the N-class were:
735:Seattle Construction and Drydock Company
1113:This article incorporates text from the
1043:
550:Todd Dry Dock & Construction Company
1904:
1156:
244:: 147 ft 3 in (44.88 m)
1288:
1130:
1016:
1014:
1004:
1002:
1000:
423:(24 km/h; 15 mph) surfaced
312:: 12 ft 4 in (3.76 m)
302:: 12 ft 6 in (3.81 m)
283:: 14 ft 6 in (4.42 m)
273:: 15 ft 9 in (4.80 m)
225:385 long tons (391 t) submerged
209:414 long tons (421 t) submerged
64:Seattle Construction and Drydock Co.
222:331 long tons (336 t) surfaced
206:347 long tons (353 t) surfaced
13:
1011:
357:, 300 hp (220 kW) total,
347:, 600 hp (450 kW) total,
16:United States Navy submarine class
14:
1933:
997:
930:with some boats operating out of
692:
1917:United States N-class submarines
1167:Seattle Construction and Drydock
1106:
491:United States N-class submarines
107:
29:
928:Naval Submarine Base New London
920:American entry into World War I
654:The boats were armed with four
576:were designed and built by the
1023:
988:
977:
966:
512:
1:
1037:
934:at times, all patrolling the
1083:U.S. Warships of World War I
947:Submarine School, New London
922:, they were assigned to the
7:
1020:Gardiner & Gray, p. 129
926:, primarily operating from
10:
1938:
913:
519:AA-1 or T-class submarines
499:coastal defense submarines
18:
1873:
1846:
1752:
1655:
1635:
1615:
1539:
1498:
1478:
1413:
1320:
1264:
1241:
1202:Lake Torpedo Boat Company
1199:
1164:
1102:Pigboats.COM N-class page
1044:Friedman, Norman (1995).
813:
733:
254:: 155 ft (47 m)
175:
44:
28:
960:
1886:Completed after the war
918:Commissioned after the
703:Ship name and Hull no.
582:Bridgeport, Connecticut
436:200 ft (61 m)
176:General characteristics
86:Bridgeport, Connecticut
1081:Silverstone, Paul H.,
679:North Atlantic patrols
542:Electric Boat Company
540:were designed by the
463:: 29 officers and men
453:: 25 officers and men
1880:Single ship of class
1637:Unprotected cruisers
19:For other uses, see
1085:(Ian Allan, 1970),
955:London Naval Treaty
635:, each driving one
546:Groton, Connecticut
1541:Protected cruisers
1158:N-class submarines
924:1st Naval District
795:26 September 1917
770:26 September 1917
745:26 September 1917
503:United States Navy
115:United States Navy
1912:Submarine classes
1899:
1898:
1282:
1281:
911:
910:
879:16 February 1922
823:27 November 1916
815:Lake Torpedo Boat
792:21 February 1917
742:30 December 1916
578:Lake Torpedo Boat
487:
486:
134:Succeeded by
82:Lake Torpedo Boat
1929:
1500:Armored cruisers
1309:
1302:
1295:
1286:
1285:
1151:
1144:
1137:
1128:
1127:
1110:
1109:
1078:
1059:
1032:
1027:
1021:
1018:
1009:
1008:Friedman, p. 307
1006:
995:
992:
986:
981:
975:
970:
904:7 February 1922
767:16 January 1917
700:
699:
656:18-inch (450 mm)
629:brake-horsepower
475:18-inch (450 mm)
113:
111:
110:
33:
26:
25:
1937:
1936:
1932:
1931:
1930:
1928:
1927:
1926:
1902:
1901:
1900:
1895:
1869:
1842:
1748:
1651:
1631:
1611:
1535:
1494:
1474:
1415:Pre-dreadnought
1409:
1316:
1313:
1283:
1278:
1260:
1237:
1195:
1160:
1155:
1107:
1075:
1056:
1040:
1035:
1028:
1024:
1019:
1012:
1007:
998:
993:
989:
982:
978:
971:
967:
963:
916:
718:Decommissioned
695:
637:propeller shaft
515:
355:electric motors
352:Electro Dynamic
325:Diesel-electric
108:
106:
40:
24:
17:
12:
11:
5:
1935:
1925:
1924:
1919:
1914:
1897:
1896:
1894:
1893:
1890:
1887:
1884:
1881:
1878:
1874:
1871:
1870:
1868:
1867:
1860:
1852:
1850:
1844:
1843:
1841:
1840:
1835:
1830:
1825:
1818:
1811:
1806:
1801:
1796:
1791:
1786:
1781:
1776:
1771:
1766:
1758:
1756:
1750:
1749:
1747:
1746:
1739:
1732:
1725:
1718:
1711:
1704:
1697:
1690:
1683:
1676:
1669:
1661:
1659:
1653:
1652:
1650:
1649:
1641:
1639:
1633:
1632:
1630:
1629:
1621:
1619:
1617:Scout cruisers
1613:
1612:
1610:
1609:
1602:
1595:
1588:
1581:
1574:
1567:
1560:
1553:
1545:
1543:
1537:
1536:
1534:
1533:
1526:
1519:
1512:
1504:
1502:
1496:
1495:
1493:
1492:
1484:
1482:
1480:Battlecruisers
1476:
1475:
1473:
1472:
1465:
1458:
1451:
1444:
1437:
1430:
1422:
1420:
1411:
1410:
1408:
1407:
1400:
1393:
1386:
1379:
1372:
1365:
1358:
1351:
1344:
1337:
1334:South Carolina
1329:
1327:
1318:
1317:
1312:
1311:
1304:
1297:
1289:
1280:
1279:
1277:
1276:
1271:
1265:
1262:
1261:
1259:
1258:
1252:
1242:
1239:
1238:
1236:
1235:
1228:
1221:
1214:
1206:
1204:
1197:
1196:
1194:
1193:
1186:
1179:
1171:
1169:
1162:
1161:
1154:
1153:
1146:
1139:
1131:
1125:
1124:
1104:
1099:
1094:
1079:
1073:
1060:
1054:
1039:
1036:
1034:
1033:
1022:
1010:
996:
987:
976:
964:
962:
959:
915:
912:
909:
908:
907:Scrapped 1922
905:
902:
899:
896:
895:20 April 1915
893:
884:
883:
882:Scrapped 1922
880:
877:
874:
873:21 April 1917
871:
870:15 April 1915
868:
859:
858:
857:Scrapped 1922
855:
854:19 April 1922
852:
849:
848:22 March 1917
846:
845:10 April 1915
843:
834:
833:
832:Scrapped 1922
830:
829:22 April 1922
827:
824:
821:
820:24 March 1915
818:
812:
803:
802:
801:Scrapped 1931
799:
798:30 April 1926
796:
793:
790:
787:
778:
777:
776:Scrapped 1931
774:
773:30 April 1926
771:
768:
765:
762:
753:
752:
751:Scrapped 1931
749:
748:30 April 1926
746:
743:
740:
737:
732:
723:
722:
719:
716:
713:
710:
707:
704:
694:
693:Boats in class
691:
649:nautical miles
641:electric motor
633:diesel engines
631:(179 kW)
514:
511:
501:built for the
485:
484:
471:
467:
466:
465:
464:
454:
442:
438:
437:
434:
430:
429:
428:
427:
424:
415:
411:
410:
409:
408:
405:
395:
388:
381:
371:
368:
358:
348:
345:Diesel engines
337:
327:
320:
316:
315:
314:
313:
303:
291:
287:
286:
285:
284:
274:
262:
258:
257:
256:
255:
245:
233:
229:
228:
227:
226:
223:
220:
210:
207:
204:
192:
188:
187:
182:
178:
177:
173:
172:
169:
165:
164:
161:
157:
156:
153:
149:
148:
145:
141:
140:
135:
131:
130:
122:
118:
117:
104:
100:
99:
98:
97:
79:
70:, Washington (
59:
55:
54:
51:
47:
46:
45:Class overview
42:
41:
34:
15:
9:
6:
4:
3:
2:
1934:
1923:
1920:
1918:
1915:
1913:
1910:
1909:
1907:
1891:
1888:
1885:
1882:
1879:
1876:
1875:
1872:
1866:
1865:
1861:
1859:
1858:
1854:
1853:
1851:
1849:
1845:
1839:
1836:
1834:
1831:
1829:
1826:
1824:
1823:
1819:
1817:
1816:
1812:
1810:
1807:
1805:
1802:
1800:
1797:
1795:
1792:
1790:
1787:
1785:
1782:
1780:
1777:
1775:
1772:
1770:
1767:
1765:
1764:
1760:
1759:
1757:
1755:
1751:
1745:
1744:
1740:
1738:
1737:
1733:
1731:
1730:
1726:
1724:
1723:
1719:
1717:
1716:
1712:
1710:
1709:
1705:
1703:
1702:
1698:
1696:
1695:
1691:
1689:
1688:
1684:
1682:
1681:
1677:
1675:
1674:
1670:
1668:
1667:
1663:
1662:
1660:
1658:
1654:
1648:
1647:
1643:
1642:
1640:
1638:
1634:
1628:
1627:
1623:
1622:
1620:
1618:
1614:
1608:
1607:
1603:
1601:
1600:
1596:
1594:
1593:
1589:
1587:
1586:
1582:
1580:
1579:
1575:
1573:
1572:
1568:
1566:
1565:
1564:San Francisco
1561:
1559:
1558:
1554:
1552:
1551:
1547:
1546:
1544:
1542:
1538:
1532:
1531:
1527:
1525:
1524:
1520:
1518:
1517:
1513:
1511:
1510:
1506:
1505:
1503:
1501:
1497:
1491:
1490:
1486:
1485:
1483:
1481:
1477:
1471:
1470:
1466:
1464:
1463:
1459:
1457:
1456:
1452:
1450:
1449:
1445:
1443:
1442:
1438:
1436:
1435:
1431:
1429:
1428:
1424:
1423:
1421:
1419:
1416:
1412:
1406:
1405:
1401:
1399:
1398:
1394:
1392:
1391:
1387:
1385:
1384:
1380:
1378:
1377:
1373:
1371:
1370:
1366:
1364:
1363:
1359:
1357:
1356:
1352:
1350:
1349:
1345:
1343:
1342:
1338:
1336:
1335:
1331:
1330:
1328:
1326:
1323:
1319:
1310:
1305:
1303:
1298:
1296:
1291:
1290:
1287:
1275:
1272:
1270:
1267:
1266:
1263:
1257:
1254:Followed by:
1253:
1251:
1249:
1245:Preceded by:
1244:
1243:
1240:
1234:
1233:
1229:
1227:
1226:
1222:
1220:
1219:
1215:
1213:
1212:
1208:
1207:
1205:
1203:
1198:
1192:
1191:
1187:
1185:
1184:
1180:
1178:
1177:
1173:
1172:
1170:
1168:
1163:
1159:
1152:
1147:
1145:
1140:
1138:
1133:
1132:
1129:
1123:
1120:
1117:
1116:
1115:public domain
1105:
1103:
1100:
1098:
1095:
1092:
1091:0-71100-095-6
1088:
1084:
1080:
1076:
1074:0-85177-245-5
1070:
1066:
1061:
1057:
1055:1-55750-263-3
1051:
1047:
1042:
1041:
1031:
1026:
1017:
1015:
1005:
1003:
1001:
991:
985:
980:
974:
969:
965:
958:
956:
952:
948:
943:
939:
937:
933:
932:New York City
929:
925:
921:
906:
903:
901:15 June 1918
900:
897:
894:
891:
890:
886:
885:
881:
878:
875:
872:
869:
866:
865:
861:
860:
856:
853:
851:13 June 1918
850:
847:
844:
841:
840:
836:
835:
831:
828:
826:15 June 1918
825:
822:
819:
816:
810:
809:
805:
804:
800:
797:
794:
791:
789:31 July 1915
788:
785:
784:
780:
779:
775:
772:
769:
766:
764:29 July 1915
763:
760:
759:
755:
754:
750:
747:
744:
741:
739:26 July 1915
738:
736:
730:
729:
725:
724:
720:
717:
715:Commissioned
714:
711:
708:
705:
702:
701:
698:
690:
688:
684:
680:
675:
670:
668:
664:
660:
659:torpedo tubes
657:
652:
650:
646:
642:
638:
634:
630:
625:
622:
618:
614:
610:
605:
602:
598:
594:
590:
585:
583:
579:
575:
571:
567:
563:
559:
555:
551:
547:
543:
539:
535:
531:
526:
524:
523:L-class boats
520:
510:
508:
504:
500:
496:
492:
483:
479:
478:torpedo tubes
476:
472:
469:
468:
462:
458:
455:
452:
448:
445:
444:
443:
440:
439:
435:
432:
431:
425:
422:
418:
417:
416:
413:
412:
406:
403:
400:
396:
393:
389:
386:
382:
379:
375:
372:
369:
366:
363:
359:
356:
353:
349:
346:
342:
338:
335:
331:
328:
326:
323:
322:
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152:In commission
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105:
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1863:
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1693:
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1598:
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1584:
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1570:
1563:
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1523:Pennsylvania
1522:
1515:
1508:
1488:
1468:
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1454:
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1426:
1404:South Dakota
1403:
1396:
1389:
1382:
1376:Pennsylvania
1375:
1368:
1361:
1354:
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1340:
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1224:
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1210:
1189:
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1112:
1082:
1064:
1045:
1025:
990:
979:
968:
944:
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917:
898:19 May 1917
888:
876:9 July 1918
863:
838:
807:
782:
757:
727:
696:
671:
669:until 1946.
653:
626:
606:
586:
573:
569:
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561:
537:
533:
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490:
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385:Busch-Sulzer
377:
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333:
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280:
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251:
247:
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216:
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200:
196:
191:Displacement
125:
93:
89:
75:
71:
36:
1848:Auxiliaries
1592:New Orleans
1469:Connecticut
1418:battleships
1325:battleships
1322:Dreadnought
936:New England
683:World War I
580:Company of
513:Description
507:World War I
121:Preceded by
1906:Categories
1754:Submarines
1666:Bainbridge
1657:Destroyers
1646:Montgomery
1578:Cincinnati
1383:New Mexico
1038:References
709:Laid Down
558:Washington
441:Complement
433:Test depth
407:2 × shafts
370:2 × shafts
319:Propulsion
1892:Cancelled
1606:St. Louis
1557:Baltimore
1530:Tennessee
1489:Lexington
1441:Kearsarge
1390:Tennessee
1200:Built by
1165:Built by
712:Launched
621:displaced
601:displaced
497:of seven
482:torpedoes
402:batteries
365:batteries
185:Submarine
160:Completed
155:1917–1926
147:1915–1917
103:Operators
1729:Caldwell
1687:Paulding
1585:Columbia
1516:Brooklyn
1509:New York
1462:Virginia
1448:Illinois
1397:Colorado
1362:New York
1341:Delaware
892:(SS-59)
867:(SS-58)
842:(SS-57)
817:Company
811:(SS-56)
786:(SS-55)
761:(SS-54)
731:(SS-53)
706:Builder
687:deck gun
667:deck gun
470:Armament
343:240V8FS
168:Scrapped
58:Builders
1864:Recruit
1763:Plunger
1743:Clemson
1722:Sampson
1708:O'Brien
1673:Truxtun
1626:Chester
1571:Olympia
1550:Chicago
1427:Indiana
1355:Wyoming
1348:Florida
1256:O class
951:L class
938:coast.
914:Service
661:in the
609:overall
589:overall
554:Seattle
505:during
493:were a
397:2 × 60-
360:2 × 60-
341:NELSECO
138:O class
68:Seattle
53:N class
39:(SS-59)
21:N class
1857:Boston
1736:Wickes
1715:Tucker
1701:Aylwin
1694:Cassin
1599:Denver
1369:Nevada
1111:
1089:
1071:
1052:
674:bridge
572:, and
560:, and
536:, and
232:Length
112:
1680:Smith
1455:Maine
1250:class
961:Notes
721:Fate
645:knots
617:draft
597:draft
495:class
421:knots
414:Speed
392:Diehl
290:Draft
144:Built
128:class
84:Co.,
1822:AA-1
1434:Iowa
1248:AA-1
1087:ISBN
1069:ISBN
1050:ISBN
994:Ibid
613:beam
611:, a
593:beam
591:, a
489:The
480:, 8
473:4 ×
399:cell
390:2 ×
383:2 ×
362:cell
350:2 ×
339:2 ×
261:Beam
181:Type
126:AA-1
50:Name
35:USS
1815:M-1
1232:N-7
1225:N-6
1218:N-5
1211:N-4
1190:N-3
1183:N-2
1176:N-1
889:N-7
864:N-6
839:N-5
808:N-4
783:N-3
758:N-2
728:N-1
681:in
663:bow
574:N-7
570:N-6
566:N-5
562:N-4
552:of
544:of
538:N-3
534:N-2
530:N-1
461:N-7
459:to
457:N-4
451:N-3
449:to
447:N-1
419:13
378:N-7
376:to
374:N-4
334:N-3
332:to
330:N-1
310:N-7
308:to
306:N-4
300:N-3
298:to
296:N-1
281:N-7
279:to
277:N-4
271:N-3
269:to
267:N-1
252:N-7
250:to
248:N-4
242:N-3
240:to
238:N-1
217:N-7
215:to
213:N-4
201:N-3
199:to
197:N-1
94:N-7
92:to
90:N-4
76:N-3
74:to
72:N-1
37:N-7
1908::
1013:^
999:^
957:.
689:.
568:,
564:,
556:,
532:,
509:.
66:,
1889:X
1883:C
1877:S
1838:R
1833:O
1828:N
1809:L
1804:K
1799:H
1794:G
1789:F
1784:E
1779:D
1774:C
1769:B
1308:e
1301:t
1294:v
1150:e
1143:t
1136:v
1122:.
1093:.
1077:.
1058:.
404:,
380::
367:,
336::
219::
203::
171:7
163:7
96:)
88:(
78:)
23:.
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