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For a short period between 1941 and somewhere in 1942 (I believe) Kitakami and Oi were fitted with 40 torpedo tubes to serve as "torpedo cruisers". Knowing how devastating the Long Lance torpedo was in night battles around the Solomons, etc. I wonder how effectvie Kitakami and Oi would have been had they participated with their 40 torpedo tubes in similar naval surface battles. As far as I know Kitakami and Oi never got a chance to utilize their massive torpedo broadsides before they were again transformed into fast transports.

Anyone care to speculate on how they would have fared in some of the night battles for Guadalcanal?

No one can know for sure..., but apparently the Japanese were having second thoughts about the whole concept as they never sent them to the area and were soon to start converting them again for other roles. Always fun to speculate.

If NavyField is anything to go by, they would have been absolutely devastating.

And yes, I'm well aware that it's not exactly the most realistic game in the world

One problem with design was that they were incredibly vulnerable to any kind of hit in area where torpedoes were.

ORIGINAL: Sardaukar

One problem with design was that they were incredibly vulnerable to any kind of hit in area where torpedoes were.

Which was EVERYWHERE. The Jap admirals who were supposed to take them into battle didn't want them, presumably for that reason.

One of the less-mentioned downsides of IJN Long Lance torpedoes.

That, and the fact that the torpedo doctrine that led to them was fundamentally flawed.

ORIGINAL: Terminus

That, and the fact that the torpedo doctrine that led to them was fundamentally flawed.

You seem to mix up "Fundamentally flawed" and "Not as efficient as advertised"

Question is: how effective are they in game. Haven't seen any " 3 enemy CA's sunk by one broadside!!111!!!!!1" type of posts, so I guess their in game usefulness is limited as well. Luckely all Japanese light cruisers make fine fast transports.

I think each of the 20-torp weapons can only have 1 target. I've had Oi sink the CL Marblehead(the other half of torps shot, 1 hit).

ORIGINAL: String

ORIGINAL: Terminus

That, and the fact that the torpedo doctrine that led to them was fundamentally flawed.

You seem to mix up "Fundamentally flawed" and "Not as efficient as advertised"

No.

I seem to recall reading somewhere once that the long lances in the war ended up sinking more japanese ships then allied (through deck explosions).

I never checked the destroyers (since pretty much all DDs carried torpedoes) but IIRC 8 Japanese cruisers suffered catastrophic detonations of their torpedo armament which directly led to the loss of the ship. The Mogami and Mikuma at Midway provide an interesting contrast: both hit amidships by bombs that start fires, the Damage Control Officer on Mogami jettisons his torps, the damage is contained and the ship saved for another day, the DCO on Mikuma does not, the Mikuma's torpedoes "cook off" starting uncontrollable flooding and disabling the ship's engines leading to the loss of the ship. I believe that Suzuya's torpedoes also "cooked off" after a hit from a 5" shell started a fire near the mounts during the Battle Off Samar in 1944.

By that count (8) the Long Lance contributed to pretty near the same number of IJN cruisers sunk as Allied ones.

Fairly useless considering how the AI handles the TTs.

ORIGINAL: gradenko_2000

If NavyField is anything to go by, they would have been absolutely devastating.

And yes, I'm well aware that it's not exactly the most realistic game in the world

Aw yes.. the torp whores...

I might need to re install that game.. not bad to waste an hour or two in the evening while waiting on a turn..

An interesting 'what if'.

Suppose instead of a torpedo cruiser, they'd gone in the direction of other navies and converted Kitikami and Oi into CLAAs?

I just but both in shipyard for 120 days in early '43 to start the conversion process to CLAAs with Scenario 2. They still have some TTs, but not as many.

If you're in a generous mood, you can interpret the gelding of Oi and Kitakami as a step in the right direction. They were given all those torpedoes to maximize their contribution to the night torpedo attack that was scheduled to precede the Decisive Battle gun duel. The removal of the torpedoes means someone realized the DB concept was kaput. Of course, no one had a viable alternative to the DB concept, which itself was not viable. It's unwise to go into a war you cannot win, even if you're the Duchy of Grand Fenwick.

In the absence of airpower, the Type 93 Long Lance would have been a war-winner

If AC were useless against battleships, as some believed

Type 93 24" torpedo:

historical hit rate was about 1%

total number of torpedoes aboard light IJN warships at Dec 1941:
about 1500

that means in the event of a fleet battle, approximately 10 hits
would be scored against the enemy battleline (assuming 1/3 of the light ships are sunk before they can launch)

basically the USN battleline would have been crippled and finished off by Yamato + the old BBs

Also, the LL was not correctly used
the ships were poorly deployed

however when the long-lance was given the chance to fire,
the results were devastating (see battles around Guadalcanal)

the difficulty was bringing the surface ships into firing position
(practically impossible in daylight)

At midway, not a single long lance was fired
By Santa Cruz, the entire doctrine of naval deployment was revised

The Surface Ships were sent aggressively to the front,
in fact the USN realized they were out of range to strike the IJN carriers so the first wave was ordered to "strike any IJN ships you can find" since they were aware of the Kongos+cruisers coming at them

Hornet was sunk, Enterprise running away pursued by destroyers and cruisers

If this was done at midway, the cruisers and destroyers forming a screen some 100 miles in front of the carriers, the USN may have had to fight a surface action at midway (or at least be spotted by floatplane recon much sooner)

There were 12 other ships capable of being upgraded to the Kitikami/Oi standard (Kiso, Tama, Kuma, Nagara, etc.)

14 torpedo cruisers with destroyers forming a screen in front of the carriers would have been smart

USN would be forced to either fight a surface battle (good for IJN) or maintain a long stand off range preventing them from effective carrier operations (good for IJN)

trading CL for CV ships was the only way for japan to win carrier battles (needed more Coral Sea and Santa Cruz battles and fewer midways)