54:
33:
614:
during the day by German aircraft with little effect and several coast defense batteries attempted to engage them through the smokescreen put up by the motor launches supporting the operation. She fired thirteen shells the next day in another attempt to destroy the bridge and claimed one hit although this was not confirmed by subsequent observations.
632:
was forced to turn away at maximum speed (14 knots (26 km/h; 16 mph)), which was faster than she'd made on trials, when they straddled her and hit her with splinters from the near-misses. The following day she returned to her original target and fired 30 rounds in 20 minutes. These were the
470:
of 1871. Her completion was greatly delayed by the modifications made by the
British, which included modifying the boilers to use both oil and coal and conversion of 12 double-bottom tanks to carry oil. This work began on 9 January 1915, but was suspended the following May, when it was estimated that
501:
displaced 5,700 long tons (5,800 t) at deep load as built, with a length of 310 feet (94.5 m), a beam of 73 feet 7 inches (22.4 m) at maximum, although her main hull only had a beam of 55 feet (16.8 m) and a draught of 16 feet 4 inches (5.0 m). She was
490:
along about 75% of the hull's length, suppression of the torpedo tubes and the 100-millimetre (3.9 in) guns planned by the
Norwegians, and a large tripod mast was fitted behind the single funnel to carry the directors for both the 6-inch (152 mm) and 9.2-inch (230 mm) guns. Both of
613:
s stern anchor cable parted and she swung around on her bow anchor so that only her rear turret could bear on the target. No aircraft were made available to spot for her so there was little chance of a hit and she only fired eleven rounds. She, and the other monitors, were attacked several times
659:. Several attempts were made to sell her, but she was disarmed in 1922 and used as a target ship to evaluate the effects of bombs bursting underwater near a ship and the effects of six-inch gunfire. She was finally sold for scrap on 26 August 1928 and broken up at the former naval dockyard at
491:
these guns had to be relined to use standard
British ammunition and the mount for the 9.2-inch gun was modified to give a maximum elevation of 40° which gave the gun a maximum range of 39,000 yards (36,000 m). Addition of the bulges cost 2
654:
in April 1919. She was paid off on 31 August and joined the
Reserve Fleet in September. She was offered back to the Norwegians, but they rejected her as unsuitable to their requirements, especially since she was now too broad for their dock at
386:
for the last several months of the war and fired the last shots of the war against such targets on 15 October 1918. She was used as a target ship after several attempts to sell her had fallen through before being sold for scrap in 1928.
573:"Tirpitz". She spent the next month and a half either out on patrol in the English Channel or preparing for the bombardment scheduled for the end of September in support of a major offensive along the coast.
617:
On 14 October, she repeated the experience, except that her target was now the
Middelkerke batteries. She fired 41 rounds during the morning at a range of 26,000 yards (24,000 m), but she accompanied
520:
She was armed with two 9.2-inch guns arranged in two single-gun turrets, one turret each fore and aft. Her secondary armament consisted of four six-inch guns, also in single gun turrets, two of which
628:
in a reconnaissance mission to see if the
Germans were still holding the coast in strength. The fire of the Tirpitz and Raversyde Batteries soon disabused them of any notions to the contrary and
551:
on 6 June 1918 where she spent the next five weeks working up. Her first engagement was on 26 July when she fired eight rounds at a range of 33,000 yards (30,000 m) at a German
495:(3.7 km/h; 2.3 mph) in speed, but prevented the extra weight resulting from all of these changes from deepening her draft. She was finally completed on 4 June 1918.
606:
and opened fire about 7:15 on a bridge at
Snaeskerke, Belgium at a range of 36,000 yd (33,000 m). Conditions were not good as both wind and tide were against her.
267:
623:
1032:
1012:
912:
1037:
555:
battery to calibrate her guns and fire control system, which provoked a response from the German 380-millimetre (15 in) gun of
821:
405:
1022:
486:
that were building in
Armstrong's Naval Yard downriver. In September 1917, work was resumed on a new design that added a large
881:
753:
636:
She was sent to
Portsmouth after the end of the war where she was made available to investigate the cause of her sister ship
382:, but was not completed until 1918 although she had been launched over three years earlier. She engaged targets in Occupied
651:
851:
399:
524:
over the 9.2-inch turrets and the others were positioned on each side of the superstructure. One 3 in (76 mm)
989:
772:
434:
requisitioned most warships under construction in
Britain for foreign powers and refunded the two-thirds of the
1017:
529:
280:
619:
789:
556:
964:
503:
204:
803:
581:
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only another 10–12 months of work remained, to allow for faster progress to be made on the large
839:
533:
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287:
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361:
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8:
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511:
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79:
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973:
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216:
140:
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748:(2nd, revised and expanded ed.). Annapolis, Maryland: Naval Institute Press.
862:
644:
1006:
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648:
591:
472:
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classes of coastal defense ships. She would have been known in Norway as P/S
320:
242:
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last shots of the war fired against German batteries on the Belgian coast.
207:
869:
492:
379:
344:
326:
230:
921:
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respectively, by Armstrong Whitworth at Elswick. She was purchased from
528:
was mounted on each center-line six-inch turret. She also carried four
431:
314:
302:
20:
245:(5,000 km; 3,100 mi) at 11 knots (20 km/h; 13 mph)
808:
595:
521:
427:
599:
552:
383:
517:
and gave a maximum speed of 12 knots (22 km/h; 14 mph).
603:
422:
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on 11 June 1913 and launched on 9 June 1914. She was renamed as
746:
Big Gun Monitors: Design, Construction and Operations 1914–1945
656:
560:
375:
548:
32:
587:
441:
s £370,000 purchase price already paid by the Norwegians.
398:
was ordered by Norway in 1913 to supplement the older
430:. However, when the First World War broke out, the
913:Coastal defence ships of the Royal Norwegian Navy
765:Conway's All the World's Fighting Ships 1906–1921
1004:
506:steam engines, which developed a total of 4,000
444:
763:Gardiner, Robert; Gray, Randal, eds. (1985).
150:5,746 long tons (5,838.2 t) at deep load
762:
426:was the old name for the Norwegian city of
168:73 ft 7 in (22.4 m) at bulge
1033:World War I monitors of the United Kingdom
926:
263:2 × 9.2 in (234 mm) Mk XII guns
19:For other ships with the same name, see
643:s magazine explosion. She was moved to
1005:
743:
925:
807:
171:55 ft (16.8 m) at main hull
50:
1013:Bjørgvin-class coastal defence ships
767:. Annapolis: Naval Institute Press.
709:
707:
697:
695:
693:
563:. Three days later, she accompanied
13:
1038:Ships built by Armstrong Whitworth
990:List of monitors of the Royal Navy
576:At daybreak on 28 September 1918,
14:
1049:
782:
704:
690:
672:
329:: 1–2.5 in (2.5–6.4 cm)
181:16 ft 4 in (5.0 m)
311:: 3–4 in (7.6–10.2 cm)
305:: 3–7 in (7.6–17.8 cm)
52:
31:
725:
716:
681:
121:Sold for scrap, 26 August 1928
1:
1023:Ships built on the River Tyne
737:
647:as a temporary tender to the
390:
16:Gorgon-class British monitors
445:Construction and description
7:
536:guns on high-angle mounts.
233:(22 km/h; 14 mph)
10:
1054:
539:
510:(3,000 kW) from four
18:
985:
959:
937:
910:
880:
850:
820:
504:vertical triple expansion
420:("armoured ship"), while
205:Vertical triple expansion
158:310 ft (94.5 m)
125:
45:
30:
666:
586:, anchored about 7
378:at the beginning of the
323:: 8 in (20 cm)
317:: 8 in (20 cm)
790:"Gorgon class monitors"
268:BL 6 inch Mk XVIII guns
126:General characteristics
1018:Gorgon-class monitors
810:Coastal defence ships
358:coastal defence ships
814:Royal Norwegian Navy
744:Buxton, Ian (2008).
687:Buxton, pp. 107, 113
569:on a bombardment of
508:indicated horsepower
362:Royal Norwegian Navy
356:originally built as
274:QF 3 inch 20 cwt gun
466:, after an earlier
454:Armstrong Whitworth
80:Armstrong Whitworth
722:Buxton, pp. 109–10
620:Vice-Admiral Keyes
580:, in company with
488:anti-torpedo bulge
468:breastwork monitor
290:anti-aircraft guns
283:anti-aircraft guns
276:anti-aircraft guns
217:water-tube boilers
998:
997:
919:
918:
755:978-1-59114-045-0
622:in the destroyer
526:anti-aircraft gun
515:watertube boilers
452:was laid down by
414:; P/S stands for
335:
334:
219:with oil sprayers
193:(2,982.8 kW)
1045:
923:
922:
841:Harald Haarfagre
805:
804:
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732:
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557:Batterie Pommern
440:
203:2 × shafts, 2 ×
60:
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35:
28:
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931:-class monitors
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731:Conway's, p. 47
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640:
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542:
502:powered by two
447:
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393:
380:First World War
212:4 × dual-fired
186:Installed power
58:
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41:
24:
17:
12:
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5:
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783:External links
781:
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739:
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734:
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715:
713:Buxton, p. 109
703:
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689:
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678:Buxton, p. 107
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473:light cruisers
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649:stone frigate
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583:General Wolfe
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566:Marshal Soult
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321:Conning Tower
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208:steam engines
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893:
882:
870:
863:
852:
840:
834:Tordenskjold
833:
823:Tordenskjold
822:
793:. Retrieved
764:
745:
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683:
674:
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519:
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411:
407:Tordenskjold
406:
400:
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370:
365:
348:
339:
337:
336:
147:Displacement
135:
102:Commissioned
89:11 June 1913
69:
38:
25:
966:Marshal Ney
795:30 December
547:arrived at
364:, as HNoMS
345:sister ship
241:2,700
189:4,000
97:9 June 1914
1028:1914 ships
1007:Categories
738:References
594:; 11
590:(6.1
522:superfired
483:Courageous
432:Royal Navy
417:Panserskip
391:Background
315:Gun turret
250:Complement
198:Propulsion
105:1 May 1918
21:HMS Gorgon
645:Devonport
625:Termagant
559:south of
534:2-pounder
532:and four
530:3-pounder
428:Trondheim
352:were two
309:Bulkheads
288:2-pounder
281:3-pounder
86:Laid down
894:Bjørgvin
883:Bjørgvin
864:Eidsvold
853:Eidsvold
661:Pembroke
600:De Panne
571:Batterie
553:howitzer
436:Bjørgvin
401:Eidsvold
384:Flanders
371:Bjørgvin
360:for the
354:monitors
343:and her
272:2 × 1 -
266:4 × 1 -
258:Armament
94:Launched
943:Glatton
901:Nidaros
812:of the
638:Glatton
604:Belgium
540:Service
477:Furious
458:Elswick
450:Nidaros
423:Nidaros
412:Nidaros
396:Nidaros
366:Nidaros
349:Glatton
178:Draught
141:monitor
76:Builder
46:History
950:Gorgon
929:Gorgon
771:
752:
657:Horten
630:Gorgon
608:Gorgon
598:) off
578:Gorgon
561:Ostend
545:Gorgon
512:Yarrow
499:Gorgon
463:Gorgon
376:Norway
340:Gorgon
297:Armour
214:Yarrow
155:Length
138:-class
136:Gorgon
70:Gorgon
39:Gorgon
977:class
968:class
885:class
871:Norge
855:class
825:class
667:Notes
652:Vivid
641:'
611:'
549:Dover
493:knots
439:'
238:Range
231:knots
226:Speed
797:2007
769:ISBN
750:ISBN
480:and
404:and
368:and
338:HMS
327:Deck
303:Belt
286:4 ×
279:4 ×
163:Beam
118:Fate
68:HMS
65:Name
37:HMS
975:M15
592:nmi
456:at
253:305
243:nmi
229:12
191:ihp
1009::
706:^
692:^
663:.
602:,
596:km
588:mi
799:.
777:.
758:.
23:.
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