Japanese Anti-Tank Guns

Discussions on the fortifications, artillery, & rockets used by the Axis forces.
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R-Bob The Great!
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Japanese Anti-Tank Guns

Post by R-Bob The Great! » 31 Oct 2004 08:51

I was wondering what anti tank guns were used by the Japanese Army and what were their effectiveness in comparison to western models.

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Peter H
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Post by Peter H » 01 Nov 2004 14:01

Type 97 37mm Anti-Tank Gun
Image
http://homepage.eircom.net/~steven/images/37.jpg

Known as the RA97,the RA standing for Rheinmettal,in fact the German PAK37 sold to Japan in 1937-39.


Type 1 47mm Anti-Tank Gun
Image
http://homepage.eircom.net/~steven/images/1-37.jpg

In 1941 the Type 1 47mm was introduced.Said to be based on the Soviet ZIK 45mm,examples captured in Soviet-Japanese border battles of 1938/39.The Soviet 45mm was itself an enlarged copy of the PAK37 as well.

One comment on why Japanese AT development didn't advance beyond this stage:

..it seems the Japanese fell into a common error in designing their AT guns;they took their own standard tanks as the norm to be beaten,built guns sufficiently good to do that,and then considered that good enough to beat anyone else's tanks

The Japanese War Machine,S.L.Mayer

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tom!
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Post by tom! » 01 Nov 2004 16:32

Hi.

Sorry, Peter H, but your second pic shows a type 1
37 mm at-gun.

japanese at-weapons:

type 94 37 mm rapid fire gun (infantry/AT-gun):

maximum penetration: theoretical 33 mm, in reality 20 mm due to poor ammo.
Image


type 97 20 mm AT-Rifle:

penetration: 30 mm /350 m, 20 mm /700 m
Image


type 97 Ra 37 mm at-gun:

copy of german 3,7 cm at-guns captured in China and at the soviet border
Image


type 1 37 mm at-gun:

improved type 94 gun, slightly better penetration abilities.
Image


type 1 47 mm at-gun:

new development after the Nomonhan-incident, also use in a modified version as type 1 tank gun for Shinhoto Chi-Ha.
penetration: 50 mm/500 m
Image


type 5 tank destroyer Na-To:

The 75 mm gun was able to penetrate the frontal armour of a standart M4 on 1000 m
Image


There were some experimental and prototype guns, too:

37 mm AT-Gun "Raku":
light at-gun for airborne use, canceled due to too low penetration abilities

57 mm AT-gun:
canceled due to too high weight in relation to it`s penetration abilities.

75 mm and 105 mm at-guns were developed for afv Na-To and for the super heavy tank destroyer Ho-Ri I and Ho-Ri II



other at-weapons:

"yardstick"-mine:

Image


type 93 mine:

multi purpose mine
Image


type 99 magnetic at-mine:

Image


type 2 40 mm at riflegrenade:
Image


type 3 wooden multi purpose mine:

Image


type 3 ceramic multi purpose mine:

Image


type 3 at handgrenade:

Image


type 4 70 mm at-rocketlauncher:

best range: 50 - 100 m, penetration: 80 mm
Image


suicide lunge mine:

Image


5 kg suicide at mine:

Image


improvised "panzerfaust":

A weapon for the "Homeland decessive war". It should have been made in local factories. The tube was made of bamboo, the warhead from coconuts and other natural ressources. A penetration minimum of 80 mm should have been reached by trials.
Image Image


Prototypes of a 90 mm at-rocketlauncher and 57 mm and 75 mm recoilless at-guns were tested


Further detail availiable on my (german) website.

Yours

tom! :wink:

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Petrus
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Post by Petrus » 08 Dec 2004 14:03

Image

http://www.ww2technik.de/Bilderchen/jappak/jap%20typ%205%2045%20mm%20ruecksto%dffreie%20panzerabwehrkanone.jpg

As I understand the photo shows a weapon that is supposed to be a 45-mm recoilless anti-tank gun.
Can you say more about this?

Best regards,
Petrus

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Petrus
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Post by Petrus » 10 May 2005 15:48

At http://www3.plala.or.jp/takihome/AT.htm you may find some data of the Japanese anti-tank weapons, e.g. Type 5 45-mm recoilless gun:

Caliber : 45 mm
Length : 1 m
Weight : 6.4 kg
Shell Weight : 2.3 kg
Muzzle Velocity : 40 m/sec
Penetration : 100mm
Range : 30 m

Regards,
Piotr

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