Japanese Torpedo Boats

Discussions on all aspects of the Japanese Empire, from the capture of Taiwan until the end of the Second World War.
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leytekursk
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Japanese Torpedo Boats

#1

Post by leytekursk » 16 Jan 2005, 16:15

Hello, I am new kid in town....Congratulation ...big forum... the best.

I need some information about japanese torpedo boats in WW2

Can you helpme?

Thanks...
Last edited by leytekursk on 18 Jan 2005, 22:52, edited 1 time in total.

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oneshooter
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#2

Post by oneshooter » 17 Jan 2005, 02:29

Bottom of the page. All I could find.

http://www.combinedfleet.com/lancers.htm

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Takao
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#3

Post by Takao » 17 Jan 2005, 04:15

Sure, but first are you looking for something specific or just general information?

Just for my clarification are you looking for information about the torpedo boats mentioned in oneshooter's post or are you looking for information on Japanese PT boats?

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leytekursk
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#4

Post by leytekursk » 17 Jan 2005, 04:36

It's only curiosity Takao. I explain. I Think that americans operations of PT are really overrated. Really they never do something great. (kennedy effect?)

In Surigao was a mass attack against the Nishimura Force without success...

Then... I Ask me ...What about whit japanese PT operations in WW2?

I am a fan of IJN but I never hear about IJN torpedo boats...only the Anthony Tully's page.

Excuse my english.....I Hope you understand me....

Saluti amici...

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Takao
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#5

Post by Takao » 17 Jan 2005, 06:53

leytekursk,

your english is fine. I just wanted to make sure of what I was looking for. The Japanese had Torpedo boats(similar to a small destroyer or a destroyer escort) and motor torpedo boats(PT boats). I just wanted to know which of the two you were looking for.

I'll do some digging on Japanese PT boats and see what I can find.

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#6

Post by David Thompson » 17 Jan 2005, 07:44

Re the "torpedo boats," accurately described above by Takao as similar to a small destroyer or a destroyer escort, these shots are from Jane's Fighting Ships (1941), p. 312. There were no photos or details of Japanese PT boats, although a note in the text to photo 1 says that they were reportedly under construction. Janes Fighting Ships (1945) had no mention of Japanese PT boats:
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#7

Post by oneshooter » 17 Jan 2005, 15:31

The Japanese relied heavely on heavely armed and armoured barges for patrol of inshore waters. These were operated by the IJA.

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leytekursk
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#8

Post by leytekursk » 18 Jan 2005, 05:02

Thanks for your information...especially the pics..

Japanese PTs It´s really a unknown topic in WW2....

Thanks again....


Regards

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Takao
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#9

Post by Takao » 18 Jan 2005, 22:16

Japan did have PTs during World War II.

Here is a link to the PT classes the did use.
http://warships.web4u.cz/tridy.php?lang ... AP&typ=MxB

Unfortunately, little has been published about what actions the Japanes PT boats participated in.

I'll keep digging...

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#10

Post by Tiornu » 18 Jan 2005, 22:22

If you're talking about MTBs, the Japanese story is really sad. The type earned little attention initially, though there was some puttering with boats captured in China, the Philippines, and East Indies. Extensive use by the Americans prompted further development, but the Japanese found they lacked an adequate supply of engines. A 20-ton specification based on the 38.5-knot T1 class broke apart into sub-types carrying a miscellany of powerplants. The fastest of these managed 35 knots; others were as slow as 17 knots (no joke--charge!).
I don't recall any account of one of the Japanese boat making a torpedo attack, though that doesn't mean it didn't happen. The Japanese fooled themselves into thinking the type had potential for ASW. The total number of units produced is somewhere in the neighborhood of 600, including those completed as MGBs etc.

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#11

Post by varjag » 19 Jan 2005, 11:51

leytekursk wrote:Thanks for your information...especially the pics..

Japanese PTs It´s really a unknown topic in WW2....

Thanks again....


Regards
Jap MTB's - really unknown, to me too! I was quite impressed with the link Takao posted. I sensed that lack of suitable engines would have been an obstacle as Tiornu wrote....so Tiornu - any idea what engines they used...output, rpms etc.?

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#12

Post by Gwynn Compton » 19 Jan 2005, 12:19

Takao wrote:Unfortunately, little has been published about what actions the Japanes PT boats participated in.
There you go, another example of how much more work there is to be done on the history of the pacific war. Though Patrol Boats in general seem to have suffered given the interest in the more mainstream naval weapons, carriers, battleships and submarines.

Gwynn

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#13

Post by daveh » 19 Jan 2005, 23:18

At least 248 MTBs of various types were built as well as a minimum of 105 Motor Gunboats

Many of these suffered from poor reliability and low engine power with a number of vessels being used solely for harbour duties. Towards the end of the war many vessels were inoperative due to lack of fuel.

The use of these vessels is little studied. However the fact that only 49 MTBs and 17 Motor Gunboats were lost during the war is a strong indication that in general these vessles were relatively rarely used in attacks on Allied forces in a similar way to the american PT botas.

The Japanese built c 6000 Shinyo suicide craft which were os a similar size to te smaller MTBs. Despite these numbers and their deployment to Okinawa, these vessels also achieved virtually nothing.

Source: A J Watts; Japanese Warships of WW2

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#14

Post by Tiornu » 20 Jan 2005, 00:12

"any idea what engines they used...output, rpms etc.?"
The slowest class was the Type 23. Its single Type 91 engine generated 450HP, and there was an 80HP cruising engine. The fastest of the 20-ton sub-types was the Type 35 had two 920HP Type 71 engines. I believe this was the most powerful engine used in Japanese MTBs. The Type 51 boats were a knock-off of German design, 75 tons, and they featured four Type 71's. Like most knock-offs, they were distinctly inferior. Total failures, actually.
All the Japanese MTBs used petrol engines.

"Though Patrol Boats in general seem to have suffered given the interest in the more mainstream naval weapons, carriers, battleships and submarines."
Heck, when it comes to the IJN, we don't even have good BB and CV info. I understand the next L&W project covers the destroyers.

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#15

Post by varjag » 20 Jan 2005, 12:08

Thanks Tiornu for that snippet about Jap MTB-engines. U wouldn't have any details of the Type 71 and 91 petrol engines? The 75-ton Type 51 MTB with [/b]four 920 Hp mills - sounds like a very complex arrangement. Two shafts??

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