Mitsubishi J8M1 (Army Ki-200) CGI Project

• Dec 10, 2019

• #21

vikingBerserker

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Awesome!!

 

• Dec 14, 2019

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• #22

Shinpachi

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Tokuro-2 (KR-10) Rocket Motor.
During the wartime, Japanese navy seems to have brought back perfect German technical data on this motor although the submarine I-29 which carried actual sample had been sunk on the way back home. The piping is exactly same as Walter 109 509A and I have been much impressed.
Thanks.

 

• Dec 14, 2019

• #23

Wurger

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• Dec 14, 2019

• #24

fubar57

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• Dec 14, 2019

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Lovely work so far shinpachi!

 

• Dec 16, 2019

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• #26

Shinpachi

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Beginning to make the fuselage structure from the 10th former.
Thanks.

 

• Dec 17, 2019

• #27

Gnomey

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Good work so far shinpachi!

 

• Dec 19, 2019

• #28

Wayne Little

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Awesome!

 

• Dec 19, 2019

• #29

vikingBerserker

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I love these threads, amazing work so far!

 

• Dec 19, 2019

• #30

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Beautiful my friend. You have some skills brother.

 

• Dec 19, 2019

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Shinpachi

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Roughly building up frames to check arrangements.
Thanks.

 

• Dec 19, 2019

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fubar57

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Beautiful work

 

• Dec 19, 2019

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• Dec 20, 2019

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• #34

Shinpachi

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Adjusting stringers. Seems spot welding to fix.
Thanks.

 

• Dec 20, 2019

• #35

GrauGeist

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Shinpachi said:

Tokuro-2 (KR-10) Rocket Motor.
During the wartime, Japanese navy seems to have brought back perfect German technical data on this motor although the submarine I-29 which carried actual sample had been sunk on the way back home. The piping is exactly same as Walter 109 509A and I have been much impressed.
Thanks.

View attachment 563910View attachment 563911View attachment 563912View attachment 563913View attachment 563914View attachment 563915View attachment 563916

Click to expand...

Shinpachi, it is my understanding that Navy Commander Iwaya had the Me163 instruction manual with him that was used to reverse engineer the aircraft and engine - this was because he flew home from Singapore when I-29 docked there to resupply.

 

• Dec 20, 2019

• #36

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• Dec 20, 2019

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Shinpachi

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GrauGeist said:

Shinpachi, it is my understanding that Navy Commander Iwaya had the Me163 instruction manual with him that was used to reverse engineer the aircraft and engine - this was because he flew home from Singapore when I-29 docked there to resupply.

Click to expand...

Mitsubishi announced in the postwar that they developed the J8M based on the Me-163 manual with hardships because no sample was given but I begin to wonder if it was a little bit exaggeration. As a common sense, a maker can build a product without sample if the specification and drawings are given. No sample but Iwaya could answer engineers' question as he witnessed actual product in Germany. This picture, for example, introduces the 10th former of the J8M1 Shusui. Structure is almost same as the Me-163 and no one can draw this in imagination or oral advice only. I think that the reverse engineering could be a myth.


Source: "Shusui" and Japanese Jet, Rocket Planes by Model Art in Nov. 1998

 

• Dec 20, 2019

• #38

Wurger

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• Dec 20, 2019

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Shinpachi

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Good to compare with the Me-163.
Mitsubishi only had to build according to the drawings adding modification for their conveniences.
This is my temporary conclusion


Source: Imperial War Museum, Duxford

 

Last edited: Dec 20, 2019

• Dec 20, 2019

• #40

vikingBerserker

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Man, I learn so much on these threads.