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Contemporary Western Tank Rumble!


SH_MM
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9 hours ago, Beer said:

Sounds like an incredibly dumb idea. Solar panels aren't even reliable in a civilian environment mounted on stationary platforms let alone vibrating military vehicles out in the desert collecting sand, dust and small arms fire. War was never a clean activity, so I don't understand the attempts to make it such. Either this is cheap pandering to the green parties in NATO aligned nations or this NATO chief is actually this brain dead and believes that this is an effective idea let alone possible. NATO just keeps wanting to justify it's dissolution, larping as "environmentally friendly" with it's tanks that are getting btfo because it's cloudy and "for some reason China didn't comply with the solar power tank act". Meanwhile half of NATO's members have a sizeable nuclear warhead stock which are less than "environmentally friendly" when used.

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Hello, I was wondering what the "consensus" of this forum was as to the protection efficiency of fuel against long rod kinetic projectiles.

 

I've seen discussion in this thread about the efficiency of fuel against CE threats but the only conclusion of efficiency against KE I remember finding was in one of the tank design submissions where it had a thickness efficiency of 0.1.

Is this a reasonable estimate?

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"Allegedly" from the Japanese MOD some time ago:

 

FDhNuDcacAAefSE?format=jpg&name=medium

 

According to _David_Bowie_ in the WT forum, these images were also featured in the

 

"Fifty Year History, Technical Research and Development Institute, Defense Agency, Technical Research and Development 6. Research Institute 1" (of Japan):

 

image.png.94a5109a7393d5e32f83d6d0426e75

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18 hours ago, Laviduce said:

"Allegedly" from the Japanese MOD some time ago:

 

According to _David_Bowie_ in the WT forum, these images were also featured in the

 

"Fifty Year History, Technical Research and Development Institute, Defense Agency, Technical Research and Development 6. Research Institute 1" (of Japan):

https://dl.ndl.go.jp/view/download/digidepo_1283286_po_TRDI50_08.pdf?contentNo=8&alternativeNo=

 

Here is the PDF link of the original document

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@SH_MM

 

I have a question.

 

In 1984, Japan began preparing for the import of 120mm L/44 guns and ammunition from Rheinmetall for the second prototype of the Type 90 tank, and in 1985 it was decided to purchase the guns and ammunition. In this case, is it possible to import guns and ammunition separately?

 

According to the opinion that Japan used the DM33 for testing of the Type 90 tank,

 

Japan purchased the prototype DM33 (definitely nonsense)

At the time of the 1985 contract, Japan agreed to deliver the DM33 in 1987 through consultation with Rheinmetall.

Type 90 tank uses the DM33, DM33 would have been delivered and used in 1987 for FCS testing.

 

But is this possible?

 

here is the timeline.

Spoiler

Timeline

 

1984 

Preparation of imports of ammunition and guns from Rheinmetall for the second prototype of Type 90. DM33 development started.

 

1985

decision to purchase the 120mm cannon and ammunition of the second prototype of the Type 90 tank was decided at "昭和60年7月装備審査会議調整部会".

Imported ammunition (DM12, DM23) and 120mm cannons from Rheinmetall. 

Mitsubishi Heavy Industries, Japan Steel Works, Daikin Industries, and Komatsu Works began negotiations to sign an MOU with Rheinmetall in February 1985.

DM33 is still in development. 

 

1986

Production of the second prototype of Type 90. (prototype No. 3 and No. 4)

Mitsubishi Heavy Industries, Japan Steel Works, Daikin Industries, and Komatsu Works sign MOU with Rheinmetall.

prototype of the DM33 was first shown at AUSA 86. 

 

1987 

Production of the second prototype of Type 90. (prototype No. 5 and No. 6)

Testing of the second prototype of the Type 90 tank.

DM33 has delivered to the German Army.

 

1988

End of testing of the second prototype of the Type 90.

 

1989

Final test in JGDSF, February to September.

Japan Steel Works, Daikin Industries, and Komatsu Works begin negotiations for license production with Rheinmetall.

 

1990

On July 17, negotiations of licensel production has finished.

In August, officially named as Type 90 tank.

 

 

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