21:
70:
522:
in 1934, the 10 old boilers being replaced by 8 new ones, giving a speed of 23.5 knots (43.5 km/h; 27.0 mph). A new fire control system was later fitted, and in 1936, two of the 14-pounder guns were replaced by
Japanese 76 mm anti-aircraft guns.
385:(10,000 kW) giving a contract speed of 24 knots (44 km/h; 28 mph). 500 t of coal were carried, sufficient to give a range of 3,276 nautical miles (6,067 km; 3,770 mi) at 10 knots (19 km/h; 12 mph).
935:
342:-like battleships, three armored cruisers, six destroyers, and numerous smaller warships, all acquired in a nine-year, $ 7 million outlay. None of these purchases came to fruition, and
538:
replaced the original foremast. Anti-aircraft armament was strengthened by the addition of seven .50 in (12.7 mm) Browning machine guns, while a
945:
421:
and 76 millimetres (3 in) thick gunshields on the six-inch guns. The ships had a complement of 320 officers and ratings, with one of the ships,
389:
216:
336:
to remain as the fleet's flagship only until more powerful warships were purchased. As of 1905, Peru's naval expansion plans included three
332:
The two scout cruisers were to be what one magazine called the "pioneers" of a growing and modernized
Peruvian Navy; the navy intended for
845:
826:
807:
880:
546:
in 1944, the two cruisers were used for coastal patrols. After the war, they were used as training ships, and then as stationary
627:
358:
299:
599:
531:
325:, the ships were far more powerful than any other ship in the Peruvian Navy, which had suffered severe damage in the
377:, each driving a single propeller shaft. The engines were fed with steam at 1,700 kilopascals (250 psi) by ten
337:
578:
940:
897:
Fisher, Edward C. Jr. (1975). "50 Years of
Service: The Story of Peru's Coronel Bolognesi and Almirante Grau".
20:
397:
230:
491:
In 1925, the two ships were refitted, with the boilers being re-tubed and converted to use oil. In 1932, a
855:
393:
307:
223:
511:
to support operations by
Peruvian warships on the Amazon. However, the war ended before they arrived, so
542:
thrower and rails was fitted to provide an anti-submarine capability. Following the entry of Peru into
519:
374:
370:
176:
914:
326:
906:
876:
841:
822:
803:
527:
496:
445:
57:
373:
was 3,100 long tons (3,150 t) Normal. They were powered by two coal-fired four-cylinder
492:
388:
The ships were armed with two 6-inch (152 mm) guns, one each fore and aft, with eight
477:
448:
shipyard in 1905 and launched in 1906. They both comfortably met the required speed of 24
362:
53:
417: in) armoured deck, with 76 millimetres (3 in) of armour protecting the ships'
354:
141:
929:
418:
378:
303:
287:
283:
122:
75:
543:
539:
508:
504:
400:
366:
233:
547:
535:
526:
From July 1941 to
January 1942, the two cruisers took part in a blockade of the
449:
472:
After completion, the two ships sailed together from
England to Peru, reaching
485:
453:
382:
314:
910:
434:
460:
reaching 24.64 knots (45.63 km/h; 28.36 mph) during trials and
430:
426:
194:
3,276 nmi (6,067 km; 3,770 mi) at 10 km (6.2 mi)
918:
480:, the two cruisers escorted merchant ships of the coast of Peru, with
473:
290:
between 1905 and 1907. Both ships remained in service until 1958.
329:
twenty years earlier and had not ordered any new warships since.
392:
guns on single mounts on the ships' waists, backed up by eight
350:
remained the most powerful
Peruvian warships for many years.
550:
before being stricken on 24 June 1958 and sold for scrap.
534:. During the 1940s, the ships' bridges were modified, and
495:
broke out between Peru and
Colombia over territory in the
464:
making 24.726 knots (45.793 km/h; 28.454 mph).
298:
In 1905, Peru placed orders with the
British shipbuilder
873:
628:
South American dreadnought race § Other navies
936:Almirante Grau-class cruisers of the Peruvian Navy
860:Journal of the American Society of Naval Engineers
747:Journal of the American Society of Naval Engineers
735:Journal of the American Society of Naval Engineers
688:Journal of the American Society of Naval Engineers
819:Conway's All The World's Fighting Ships 1906–1921
800:Conway's All The World's Fighting Ships 1922–1946
798:Gardiner, Robert; Chesneau, Roger, eds. (1980).
721:
719:
717:
715:
713:
711:
709:
515:and the two submarines returned to the Pacific.
503:, escorted by two submarines, was sent via the
429:, with additional accommodation provided in a
817:Gardiner, Robert; Gray, Randal, eds. (1985).
403:were fitted. The ships had a 38 millimetres (
365:of 12.34 metres (40 ft 6 in) and a
8:
664:
662:
660:
658:
656:
654:
652:
650:
648:
646:
644:
642:
353:The ships were 115.82 metres (380 ft)
557:
638:
186:24 kn (44 km/h; 28 mph)
15:
518:The two cruisers were re-boilered by
444:The ships were laid down at Vickers'
264:Conning tower: 76 mm (3 in)
132:3,100 long tons (3,150 t) Normal
7:
838:Jane's Fighting Ships of World War I
381:. The machinery was rated at 14,000
776:Gardiner and Chesneau 1980, p. 423.
677:Gardiner and Gray 1985, pp. 409–10.
452:(44 km/h; 28 mph) during
151:12.34 m (40 ft 6 in)
267:Gun shields:76 mm (3 in)
114:General characteristics (As built)
14:
821:. London: Conway Maritime Press.
802:. London: Conway Maritime Press.
946:Ships built in Barrow-in-Furness
357:and 112.78 metres (370 ft)
306:, similar in design to Vickers'
212:2 Ă— 6 in (152 mm) guns
167:14,000 ihp (10,000 kW)
68:
19:
758:Gardiner and Gray 1985, p. 409.
725:Gardiner and Gray 1985, p. 410.
476:on 10 August 1907. During the
375:triple-expansion steam engines
369:of 4.267 metres (14 ft).
177:triple-expansion steam engines
1:
875:. London: Brockhamton Press.
140:115.82 m (380 ft)
394:3 pounder (47 mm) Hotchkiss
962:
615:Stricken 24 December 1958
594:Stricken 24 December 1958
699:"Fleets in Preparation,"
686:"New Peruvian Warships,"
159:4.267 m (14 ft)
113:
33:
18:
871:Whitley, M. J. (1999).
866:(2): 581–583. May 1907.
856:"New Peruvian Warships"
532:Ecuadorian–Peruvian War
390:14-pounder (76 mm)
294:Construction and design
359:between perpendiculars
313:built for the British
899:Warship International
785:Whitley 1999, p. 199.
668:Whitley 1999, p. 198.
398:18-inch (450 mm)
836:Moore, John (1990).
507:to the mouth of the
396:guns. Two submerged
383:indicated horsepower
767:Moore 1990, p. 307.
437:was also fitted to
282:was a class of two
840:. London: Studio.
609:24 September 1906
484:also serving as a
327:War of the Pacific
247:Deck: 38 mm (
217:14-pounder (76 mm)
749:May 1907, p. 582.
737:May 1907, p. 583.
619:
618:
601:Coronel Bolognesi
528:Gulf of Guayaquil
497:Amazon rainforest
462:Coronel Bolognese
446:Barrow-in-Furness
348:Coronel Bolognesi
323:Coronel Bolognesi
273:
272:
224:3-pounder (47 mm)
953:
922:
886:
867:
851:
832:
813:
786:
783:
777:
774:
768:
765:
759:
756:
750:
744:
738:
732:
726:
723:
704:
697:
691:
684:
678:
675:
669:
666:
591:19 October 1906
558:
488:for submarines.
416:
415:
411:
408:
260:
259:
255:
252:
74:
72:
71:
23:
16:
961:
960:
956:
955:
954:
952:
951:
950:
941:Cruiser classes
926:
925:
896:
893:
891:Further reading
883:
870:
854:
848:
835:
829:
816:
810:
797:
794:
789:
784:
780:
775:
771:
766:
762:
757:
753:
745:
741:
733:
729:
724:
707:
698:
694:
685:
681:
676:
672:
667:
640:
636:
624:
556:
499:. In May 1933,
478:First World War
470:
413:
409:
406:
404:
296:
257:
253:
250:
248:
164:Installed power
69:
67:
54:Vickers Limited
29:
12:
11:
5:
959:
957:
949:
948:
943:
938:
928:
927:
924:
923:
905:(4): 319–330.
892:
889:
888:
887:
881:
868:
852:
846:
833:
827:
814:
808:
793:
790:
788:
787:
778:
769:
760:
751:
739:
727:
705:
692:
679:
670:
637:
635:
632:
631:
630:
623:
620:
617:
616:
613:
610:
607:
604:
596:
595:
592:
589:
588:27 March 1906
586:
583:
580:Almirante Grau
575:
574:
571:
568:
565:
562:
555:
552:
513:Almirante Grau
501:Almirante Grau
482:Almirante Grau
469:
466:
458:Almirante Grau
439:Almirante Grau
425:, fitted as a
423:Almirante Grau
379:Yarrow boilers
344:Almirante Grau
334:Almirante Grau
319:Almirante Grau
304:scout cruisers
295:
292:
286:built for the
284:scout cruisers
278:Almirante Grau
271:
270:
269:
268:
265:
262:
243:
239:
238:
237:
236:
231:18 in (450 mm)
227:
220:
213:
208:
204:
203:
200:
196:
195:
192:
188:
187:
184:
180:
179:
173:
169:
168:
165:
161:
160:
157:
153:
152:
149:
145:
144:
138:
134:
133:
130:
126:
125:
120:
116:
115:
111:
110:
107:
103:
102:
99:
95:
94:
91:
87:
86:
83:
79:
78:
65:
61:
60:
51:
47:
46:
43:Almirante Grau
40:
36:
35:
34:Class overview
31:
30:
26:Almirante Grau
24:
13:
10:
9:
6:
4:
3:
2:
958:
947:
944:
942:
939:
937:
934:
933:
931:
920:
916:
912:
908:
904:
900:
895:
894:
890:
884:
878:
874:
869:
865:
861:
857:
853:
849:
847:1-85170-378-0
843:
839:
834:
830:
828:0-85177-245-5
824:
820:
815:
811:
809:0-85177-146-7
805:
801:
796:
795:
791:
782:
779:
773:
770:
764:
761:
755:
752:
748:
743:
740:
736:
731:
728:
722:
720:
718:
716:
714:
712:
710:
706:
702:
696:
693:
689:
683:
680:
674:
671:
665:
663:
661:
659:
657:
655:
653:
651:
649:
647:
645:
643:
639:
633:
629:
626:
625:
621:
614:
612:1 March 1907
611:
608:
605:
603:
602:
598:
597:
593:
590:
587:
584:
582:
581:
577:
576:
572:
569:
566:
563:
560:
559:
553:
551:
549:
545:
541:
537:
533:
529:
524:
521:
516:
514:
510:
506:
502:
498:
494:
489:
487:
483:
479:
475:
467:
465:
463:
459:
455:
451:
447:
442:
440:
436:
432:
428:
424:
420:
419:conning tower
402:
401:torpedo tubes
399:
395:
391:
386:
384:
380:
376:
372:
368:
364:
360:
356:
351:
349:
345:
341:
340:
335:
330:
328:
324:
320:
316:
312:
310:
305:
301:
293:
291:
289:
288:Peruvian Navy
285:
281:
279:
266:
263:
246:
245:
244:
241:
240:
235:
234:torpedo tubes
232:
228:
225:
221:
218:
214:
211:
210:
209:
206:
205:
201:
198:
197:
193:
190:
189:
185:
182:
181:
178:
174:
171:
170:
166:
163:
162:
158:
155:
154:
150:
147:
146:
143:
139:
136:
135:
131:
128:
127:
124:
123:Scout cruiser
121:
118:
117:
112:
108:
105:
104:
100:
97:
96:
92:
90:In commission
89:
88:
84:
81:
80:
77:
76:Peruvian Navy
66:
63:
62:
59:
55:
52:
49:
48:
44:
41:
38:
37:
32:
27:
22:
17:
902:
898:
882:1-86019-8740
872:
863:
859:
837:
818:
799:
781:
772:
763:
754:
746:
742:
734:
730:
700:
695:
687:
682:
673:
600:
579:
544:World War II
540:depth charge
536:tripod masts
525:
517:
512:
509:Amazon River
505:Panama Canal
500:
490:
481:
471:
461:
457:
443:
438:
422:
387:
371:Displacement
355:long overall
352:
347:
343:
338:
333:
331:
322:
318:
308:
297:
277:
276:
274:
129:Displacement
42:
25:
701:Proceedings
530:during the
930:Categories
634:References
570:Completed
564:Laid Down
486:depot ship
454:sea trials
433:, while a
315:Royal Navy
199:Complement
175:2 shafts,
172:Propulsion
911:0043-0374
690:, 581–83.
567:Launched
435:sternwalk
361:, with a
339:Swiftsure
261: in)
98:Completed
93:1906–1958
85:1905–1907
64:Operators
919:44886619
622:See also
431:poopdeck
427:flagship
317:. Named
309:Sentinel
302:for two
207:Armament
106:Scrapped
50:Builders
792:Sources
468:Service
456:, with
412:⁄
367:draught
300:Vickers
256:⁄
156:Draught
28:in 1942
917:
909:
879:
844:
825:
806:
703:, 740.
520:Yarrow
474:Callao
242:Armour
137:Length
73:
58:Barrow
915:JSTOR
606:1905
585:1905
573:Fate
561:Ship
554:Ships
548:hulks
450:knots
311:class
280:class
191:Range
183:Speed
82:Built
45:class
907:ISSN
877:ISBN
842:ISBN
823:ISBN
804:ISBN
363:beam
346:and
321:and
275:The
229:2 Ă—
226:guns
222:8 Ă—
219:guns
215:8 Ă—
148:Beam
119:Type
39:Name
903:XII
864:XIX
493:war
202:320
932::
913:.
901:.
862:.
858:.
708:^
641:^
441:.
142:oa
56:,
921:.
885:.
850:.
831:.
812:.
414:2
410:1
407:+
405:1
258:2
254:1
251:+
249:1
109:2
101:2
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