52:
506:. Due to demands by the Hungarian government, subcontracts for the class were divided between Hungarian and Austrian firms, and this politically expedient solution worsened technical problems with the design, resulting in numerous modifications and delays for the class in general.
488:. Although the Austro-Hungarian Navy was not happy with the design, which was largely obsolete, it was the only design for which plans were available and which could be begun immediately in domestic shipyards. The Austro-Hungarian Navy unenthusiastically placed orders for
525:
for surface running, and a single 160 shp (120 kW) electric motor for submerged travel. She was capable of 12 knots (22 km/h) while surfaced and 9 knots (17 km/h) while submerged. Although there is no specific notation of a range for
607:
safely submerged to a depth of 42 metres (138 ft). However, her nose was dented when she hit bottom on another test dive in
September, necessitating more repairs. On 29 September, von Seyffertitz steered the boat from the submarine base at
512:
was an ocean-going submarine that displaced 173 metric tons (170 long tons) surfaced and 210 metric tons (207 long tons) submerged and was designed for a complement of 18. She was 127 feet 2 inches (38.76 m) long with a
26:
651:
leaked and could not be repaired. After her 18 October return to
Cattaro, she sailed for Pola, arriving on 24 October. There, she would undergo another lengthy stay in port for repairs. While
445:. The repairs kept the boat out of action until June 1918. But in July a piston in her diesel engine broke, knocking the submarine out of the rest of the war. At the end of World War I,
538:
class was based, had a range of 1,400 nautical miles (2,600 km) at 10 knots (19 km/h), surfaced, and 23 nautical miles (43 km) at 8 knots (15 km/h) submerged.
1236:
1113:
582:-class boats. During a diving trial in January 1917, the submarine was damaged when it sank too deep, requiring repairs that took place over the next seven months.
1182:
25:
1226:
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1019:
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1241:
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1157:
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1136:
676:
672:
690:
521:
of 9 feet (2.7 m). For propulsion, she featured a single shaft, a single 450 bhp (340 kW)
1011:
592:
466:
360:
473:
would not be a short one, they moved to bolster their U-boat fleet by seizing the plans for the Danish
1122:
346:
182:
1231:
1007:
553:
481:
314:
1079:
1069:
1052:
1042:
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716:
587:
431:
386:
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was towed to Pola, where she remained until the end of the war. She was ceded to Italy as a
514:
470:
397:
378:
364:
855:
724:
609:
503:
450:
247:
85:
1215:
822:
648:
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240:
545:
518:
407:
301:
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in
September 1916. After suffering damage during a diving trial in January 1917,
694:
560:
493:
415:
323:
35:
963:
937:
821:(in Hungarian). Imperial and Royal Navy Association. p. 20. Archived from
636:
1083:
1056:
1029:
352:
968:
German and
Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net
942:
German and
Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net
860:
German and
Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net
441:
coast in
October 1917, but experienced the failure of the seal on her main
656:
644:
556:
442:
411:
317:
1091:
277:
1,400 nautical miles (2,600 km) at 10 knots (19 km/h) surfaced
701:
621:
613:
549:
438:
308:
705:
597:
356:
406:
was just over 127 feet (39 m) long and was armed with two bow
485:
280:
23 nautical miles (43 km) at 8 knots (15 km/h) submerged
686:
89:
1095:
938:"WWI U-boat commanders: Reichsfreiherr Hugo von Seyffertitz"
685:
out of Pola on 1 June for
Cattaro, making stops en route at
643:
instead had to turn back the following day when the main
400:), and was largely obsolete by the beginning of the war.
655:
600:, von Seyffertitz was a first-time U-boat commander.
548:
located in the front and carried a complement of two
502:
was one of two boats of the class to be built at the
727:
and scrapped in 1920. Like all of her sister boats,
1004:Conway's All the World's Fighting Ships 1906–1921
667:Robert DĂĽrrigl was assigned the new commander of
616:, where she arrived on 1 October. On 4 October,
1068:. Annapolis, Maryland: Naval Institute Press.
1041:. Annapolis, Maryland: Naval Institute Press.
624:, but had returned to Cattaro by mid October.
596:Hugo von Seyffertitz. A 31-year-old native of
1107:
1037:Gibson, R. H.; Prendergast, Maurice (2003) .
1002:Gardiner, Robert; Gray, Randal, eds. (1985).
931:
929:
700:On 16 July, while conducting patrols off the
544:was armed with two 45 cm (17.7 in)
430:underwent seven months of repairs before her
8:
715:s diesel engine broke and DĂĽrrial put in at
372:
16:Austro-Hungarian Navy's U-20-class submarine
631:departed from Cattaro to begin their first
1114:
1100:
1092:
849:
847:
845:
843:
810:
808:
806:
804:
802:
800:
798:
772:
770:
768:
766:
764:
1237:World War I submarines of Austria-Hungary
919:
917:
898:
896:
894:
892:
890:
880:
878:
876:
788:
786:
784:
782:
762:
760:
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756:
754:
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750:
748:
746:
744:
578:on 15 August 1916, the first of the four
964:"WWI U-boat commanders: Robert DĂĽrrigl"
740:
369:Kaiserliche und Königliche Kriegsmarine
620:set out for a patrol off the coast of
20:
681:for four months in 1917. DĂĽrrial led
437:The U-boat conducted patrols off the
200:210 t (210 long tons), submerged
48:
7:
635:deployment. Slated to sail into the
210:127 ft 2 in (38.76 m)
197:173 t (170 long tons), surfaced
1039:The German Submarine War, 1914–1918
627:On 15 October, von Seyffertitz and
480:, three of which had been built at
422:began in mid 1915 and the boat was
144:Reichsfreiherr Hugo von Seyffertitz
671:on 24 March 1918. The 26-year-old
590:on 15 August under the command of
396:(three of which had been built in
14:
1199:List of Austro-Hungarian U-boats
559:and an 8 mm (0.31 in)
265:9 knots (17 km/h) submerged
262:12 knots (22 km/h) surfaced
50:
24:
987:Gibson and Prendergast, p. 279.
552:. She was also equipped with a
465:When it became apparent to the
385:was based on submarines of the
141:29 June 1916 – 24 February 1917
1066:A Naval History of World War I
603:Ten days after commissioning,
517:of 13 feet (4.0 m) and a
359:built for and operated by the
300:2 Ă— 45 cm (17.7 in)
156:Ladislaus Csicsery von Csicser
147:15 August 1917 – 24 March 1918
1:
322:1 Ă— 8 mm (0.31 in)
123:Ceded to Italy, scrapped 1920
1227:U-boats commissioned in 1917
250:, 160 shp (120 kW)
243:, 450 bhp (340 kW)
675:had served as commander of
159:28 August – 31 October 1918
1258:
731:had no wartime successes.
457:had no wartime successes.
1194:
1168:
1132:
1064:Halpern, Paul G. (1994).
173:
153:24 March – 28 August 1918
127:
43:
23:
554:66 mm (2.6 in)
449:was ceded to Italy as a
315:66 mm (2.6 in)
461:Design and construction
218:13 ft (4.0 m)
174:General characteristics
34:loads a torpedo during
856:"WWI U-boats: KUK U21"
534:class, upon which the
453:and scrapped in 1920.
373:
368:
226:9 ft (2.7 m)
1222:U-20-class submarines
1012:Naval Institute Press
962:Helgason, GuĂ°mundur.
936:Helgason, GuĂ°mundur.
854:Helgason, GuĂ°mundur.
593:Linienschiffsleutnant
467:Austro-Hungarian Navy
361:Austro-Hungarian Navy
665:Linienschiffleutnant
1242:Ships built in Pola
1008:Annapolis, Maryland
693:for repairs to the
482:Whitehead & Co.
374:K.u.K. Kriegsmarine
828:on 11 October 2021
816:"Tengeralattjárók"
496:on 27 March 1915.
418:. Construction on
1207:
1206:
1126:-class submarines
1075:978-0-87021-266-6
1048:978-1-59114-314-7
1021:978-0-87021-907-8
923:Gardiner, p. 341.
902:Gardiner, p. 344.
884:Gardiner, p. 354.
776:Gardiner, p. 343.
387:Royal Danish Navy
381:. The design for
331:
330:
1249:
1116:
1109:
1102:
1093:
1087:
1060:
1033:
988:
985:
979:
978:
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959:
953:
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950:
948:
933:
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921:
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911:Halpern, p. 383.
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871:
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866:
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837:
835:
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827:
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793:
792:Halpern, p. 382.
790:
777:
774:
714:
478:class submarines
434:in August 1917.
376:
186:-class submarine
58:
55:
54:
53:
28:
21:
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569:
471:First World War
463:
398:Austria-Hungary
379:First World War
304:(both in front)
57:Austria-Hungary
56:
51:
49:
39:
17:
12:
11:
5:
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778:
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725:war reparation
719:. On 25 July,
568:
567:Service career
565:
504:Pola Navy Yard
492:and her three
462:
459:
451:war reparation
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128:Service record
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115:15 August 1917
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107:15 August 1916
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1181:Followed by:
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1172:Preceded by:
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649:conning tower
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633:Mediterranean
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546:torpedo tubes
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523:diesel engine
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432:commissioning
429:
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421:
417:
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409:
408:torpedo tubes
405:
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388:
384:
380:
377:) during the
375:
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302:torpedo tubes
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241:diesel engine
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77:27 March 1915
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22:
19:
1209:
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1175:
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1144:
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1137:
1123:
1065:
1038:
1003:
995:Bibliography
983:
971:. Retrieved
967:
957:
945:. Retrieved
941:
907:
863:. Retrieved
859:
830:. Retrieved
823:the original
728:
720:
709:
699:
682:
677:
668:
664:
663:
657:
652:
647:seal on the
640:
628:
626:
617:
604:
602:
591:
588:commissioned
583:
579:
571:
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541:
540:
535:
531:
527:
509:
508:
499:
498:
494:sister boats
489:
475:
464:
454:
446:
436:
427:
419:
403:
402:
391:
382:
347:
341:
340:
335:
333:
332:
192:Displacement
183:
112:Commissioned
67:
31:
18:
865:29 November
695:gyrocompass
561:machine gun
416:machine gun
324:machine gun
138:Josef Holub
133:Commanders:
36:World War I
1232:1916 ships
1216:Categories
973:22 January
947:22 January
832:2 February
735:References
637:Ionian Sea
287:Complement
231:Propulsion
166:Victories:
704:coast, a
550:torpedoes
532:Havmanden
476:Havmanden
469:that the
392:Havmanden
353:submarine
309:torpedoes
236:1 Ă— shaft
96:Laid down
1174:SM
1084:28411665
1057:52924732
1030:12119866
717:Djenovic
702:Albanian
691:Novigrad
673:Galician
576:launched
557:deck gun
439:Albanian
424:launched
414:, and a
412:deck gun
318:deck gun
295:Armament
104:Launched
99:Mid 1915
622:Albania
614:Cattaro
82:Builder
74:Ordered
44:History
1082:
1072:
1055:
1045:
1028:
1018:
706:piston
610:Brioni
598:Brixen
530:, the
365:German
357:U-boat
350:-class
345:was a
207:Length
1186:class
826:(PDF)
819:(PDF)
713:'
645:hatch
519:draft
486:Fiume
443:hatch
394:class
342:U-XXI
272:Range
257:Speed
223:Draft
1184:U-27
1176:U-14
1159:U-23
1152:U-22
1145:U-21
1138:U-20
1124:U-20
1080:OCLC
1070:ISBN
1053:OCLC
1043:ISBN
1026:OCLC
1016:ISBN
975:2009
949:2009
867:2008
834:2009
729:U-21
721:U-21
710:U-21
689:and
687:Arbe
683:U-21
678:U-10
669:U-21
658:U-47
653:U-21
641:U-21
629:U-21
618:U-21
605:U-21
586:was
584:U-21
580:U-20
574:was
572:U-21
542:U-21
536:U-20
528:U-21
515:beam
510:U-21
500:U-21
490:U-21
455:U-21
447:U-21
428:U-21
420:U-21
410:, a
404:U-21
383:U-21
348:U-20
336:U-21
313:1 Ă—
246:1 Ă—
239:1 Ă—
215:Beam
184:U-20
179:Type
169:None
120:Fate
90:Pola
68:U-21
63:Name
32:U-21
708:in
612:to
484:in
389:'s
371:or
355:or
339:or
334:SM
66:SM
30:SM
1218::
1078:.
1051:.
1024:.
1014:.
1010::
1006:.
966:.
940:.
928:^
916:^
889:^
875:^
858:.
842:^
797:^
781:^
743:^
697:.
661:.
639:,
563:.
367::
307:2
290:18
88:,
1115:e
1108:t
1101:v
1086:.
1059:.
1032:.
977:.
951:.
869:.
836:.
363:(
38:.
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