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Author Topic: Need some J2M experts here  (Read 5074 times)

Offline -aper-

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Re: Need some J2M experts here
« Reply #30 on: February 12, 2011, 05:53:22 AM »
Another good book regarding J2M .
http://www.wuala.com/-aper-/AH/Mitsubishi_J2M%20Fighter.pdf

Might help HTC to model this plane ;)
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Offline Karnak

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Re: Need some J2M experts here
« Reply #31 on: February 12, 2011, 07:11:12 AM »
It is bigger than I thought it was.  Until I'd looked through those two PDFs I'd never seen it with people standing next to it or on it.
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Offline Wmaker

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Re: Need some J2M experts here
« Reply #32 on: February 12, 2011, 10:46:00 AM »
Quote from: Charge on February 08, 2011, 03:42:39 AM
Indeed, looks almost like something snatched from a P47 or P38.  ;)

Maybe it is a copy of an American design? Anybody know?

There were two different turbos tested in the J2M4 prototypes. The first prototype had Mitsubishi's own turbo and the second had a turbo made by the 21st Aircraft Arsenal of the Navy. So I'm quite sure they were in house designs. I think that, because of the quite straight forward working principle of a turbo, all aircraft turbos of the era tend to look very similar.

Interestingly enough, the same source states that J2M5 had a three-stage supercharger. Surely they meant to say three-speed supercharger? :headscratch:

(source: Mushroom publication's Raiden-book)
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Offline Mirage

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Re: Need some J2M experts here
« Reply #33 on: February 12, 2011, 01:33:24 PM »
No stage would be correct, I will explaine later as I just woke up and dont have the brain power to talk complex right now haha, and thats for the File!
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Kommando Nowotny

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Offline Mirage

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Re: Need some J2M experts here
« Reply #34 on: February 14, 2011, 03:05:10 AM »
Thanks for this Aper, I doubt many western people have ever seen a cutaway of a J2M before (if you cant read the labels in this SS, DL the PDF aper posted, it has GREAT technical drawings)

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Offline Charge

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Re: Need some J2M experts here
« Reply #35 on: February 14, 2011, 03:56:47 AM »
"Interestingly enough, the same source states that J2M5 had a three-stage supercharger. Surely they meant to say three-speed supercharger?"

I'd say so since it is addition of stages that grows weight, more speed settings are easier to make, although the optimal speed of the impeller is so restricted that two speed setting pretty much covers what a single stage is capable of. A little more optimization is possible by using a variable speed unit as in 109 (or Szylowsky/Planiol etc.). IIRC Ta152s have two stage/three speed units and they were quite heavy.

-C+
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Offline Karnak

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Re: Need some J2M experts here
« Reply #36 on: February 15, 2011, 05:41:25 PM »
Need the J2M5 very much now.
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Offline Mirage

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Re: Need some J2M experts here
« Reply #37 on: February 15, 2011, 05:42:09 PM »
Lol indeed, this is its time to shine
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Kommando Nowotny

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Offline perdue3

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Re: Need some J2M experts here
« Reply #38 on: February 16, 2011, 03:41:11 PM »
Jack would pwn
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