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NguyenArchitakuVN

Chidori/Ōtori class torpedo boat

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Beta Tester
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hod4hta.jpgIn 1930, the London Naval Treaty was concluded in which the IJN received a heavy limit on the destroyers. The IJN planned to build the under 600 tons class destroyer which were not limited by the treaty, and the category Torpedo boat was revived for them. The aim for these ships was to have half the armament of the Fubuki-class destroyer. Initially, four boats were constructed for evaluation, out of a planned twenty, in the Circle 1 Program. After Chidori was completed, the IJN discovered on her trials that her center of gravity was too high and that she was 92 tonnes (91 long tons; 101 short tons) overweight. The IJN ordered 250 millimetres (9.8 in) bulges fitted to the rest of the class. However, this proved to be insufficient.
They were exceedingly heavily armed for their size with three 127 mm (5.0 in) Type 3 gun mounted in a single power-driven gun turret placed on the forecastle, ahead of the bridge, and a power-driven twin-gun turret aft. Sources are contradictory on her anti-aircraft armament, Whitley says that they had a single license-built Vickers 40 mm (2 pounder pom pom) and others credit them with a single 12.7 mm (0.50 in) machine gun. Two sets of twin 533 mm (21.0 in) torpedo tubes were mounted abaft the single funnel. In total these weapons represented 22.7% of the displacement. 
During the war the rear gun was removed and replaced with Type 96 25mm AA guns. A total of ten of these were carried by the end of the war. The number of depth charges carried was also increased over the course of the war to 48.
About the propulsion system, 2 Kampon geared turbines drove two shafts. They were powered by 2 Kampon water-tube boilers and produced a total of 11,000 shaft horsepower (8,200 kW). They were rated at 30.0 knots (34.5 mph; 55.6 km/h) and had a range of 3,000 nmi (5,600 km) at 14 kn (16 mph; 26 km/h) or 9,000 nmi (17,000 km) at 10 kn (12 mph; 19 km/h) using the 152 tonnes (150 long tons; 168 short tons) of fuel carried.
EPBEKBO.jpg

Initial look of Chidori:

mgH2wlO.jpg

Chidori-class after refit:
EA8aley.jpg
Reason the Chidori-class has to be refitted:

On 12 March 1934, shortly after completion, Tomozuru sailed in company with her sister Chidori and the light cruiser Tatsuta for night torpedo training. The weather worsened during the exercise and it was called off at 0325; the ships returning to port. Tomozuru never arrived and a search was launched. She was spotted at 1405 that same day, capsized, but still afloat. Thirteen of her 113 man crew were rescued. She was towed to Sasebo and docked where she was rebuilt and returned to service.
This disaster forced the IJN to review the stability of every ship recently completed, under construction or still being designed. The Chidori's themselves exchanged their 127 mm (5.0 in) Type 3 guns for hand-worked 12 cm 11th Year Type M guns, landed the rear twin torpedo tube mount and the bridge structure was cut down by one level. The bulges were removed, but displacement increased to 815 long tons (828 t) with the addition of 60–90 tonnes (59–89 long tons; 66–99 short tons) ballast. Their speed dropped to 28 knots (32 mph; 52 km/h) and range decreased to 1,600 nmi (3,000 km) at 14 kn (16 mph; 26 km/h). Their successors, the Ōtori-class torpedo boats were redesigned to reduce the top-heaviness that caused Tomozuru to capsize.

So, let's discuss about what tier this ship would likely to be and how is she gonna perform.

Edited by NguyenArchitakuVN

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Beta Tester
1,825 posts
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3 guns 127mm , 1x3 torpedo tube...she might at tier 3~5 :unsure:

 

Let's not forget the fact that after refitted, she has her 127 mm guns removed and 120 mm guns take their place.

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Super Tester
334 posts
5,375 battles

with only 3 torpedoes ready to launch, I think tier 3 is quite a challenge for her; tier 4, nope, unless her torp reload speed is high enough, like 2 or 3 rounds/min :trollface:.

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Beta Tester
760 posts
6,921 battles

If these ships do make it into game, they could possibly be tier 4 premiums, if given a short reload time for their torps and the 3xDP 120mm guns that Mutsuki has at tier 6

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