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Author Topic: Grigorovich I-9 & I-10 fighters  (Read 2913 times)

Offline hesham

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Grigorovich I-9 & I-10 fighters
« on: January 28, 2010, 10:06:59 am »
Hi,

the Grigorovich I-9 was a heavy fighter design of 1932,it was
powered by two M-30,M-31,M-32,M-37 or M-38 engines,and
the I-10 was a high speed fighter of Elektron (magnesium alloy)
and powered by M-41 engine.

Offline Boogey

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Re: Grigorovich I-9 & I-10 fighters
« Reply #1 on: January 30, 2010, 04:58:44 am »
The only informations I have about these two projects come from Polish fighter ace of WWII book :
Bohdan Arct " Samoloty Świata " of 1959, page 185.
- I-9 of 1932 ; the first two-engined, one-seat Soviet fighter with two M-22 * 600 HP,
fixed undercarriage, open cockpit, two machine guns ( no details ), mixed construction,
max. speed 375 km/h, ceiling 9000 m, climbing up to 4000 m = 5,5 min.
- I-10 of 1933 ; one-seat high wing monoplane fighter, engine 600 HP ( no details ),
fixed undercarriage, open cockpit, four machine guns ( no details ), mixed construction,
max. speed 360 km/h.
I liked Mr. Arct, but his informations not always were exact and his book contains many errors,
so I need now more informations and, if possible, drafts or photos :)
* @ hesham one more possibility of the aircraft engine types.
« Last Edit: January 30, 2010, 02:39:02 pm by Boogey »
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Offline hesham

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Re: Grigorovich I-9 & I-10 fighters
« Reply #2 on: February 26, 2019, 05:41:00 am »
From Ali Nuove 4/1953,

here is a first time to see a profile to I-10 Project.

Online igor-mich

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Re: Grigorovich I-9 & I-10 fighters
« Reply #3 on: February 26, 2019, 06:47:19 am »
Why do you mislead readers with this nonsense? These are children's drawings and fantasies. These aircraft were in the plans for the design and all, there is no fact that the design work was carried out on them.

Offline hesham

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Re: Grigorovich I-9 & I-10 fighters
« Reply #4 on: February 26, 2019, 07:26:32 am »
Why do you mislead readers with this nonsense? These are children's drawings and fantasies. These aircraft were in the plans for the design and all, there is no fact that the design work was carried out on them.

You are wrong of course,

the drawings were very closed to the reliable,no children or fantasy here,and the profiles from
the same magazine (Ali Nuove) is exactly the same in Aero Journal No.69 for Polikarpov I-11
and I-13,and that's clue from modern magazine,generally I wish from everyone no rush for
judging on anything before check.

https://www.secretprojects.co.uk/forum/index.php/topic,10072.0.html

Offline dabbler

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Re: Grigorovich I-9 & I-10 fighters
« Reply #5 on: March 13, 2019, 09:12:52 am »
Hi,

the Grigorovich I-9 was a heavy fighter design of 1932,it was
powered by two M-30,M-31,M-32,M-37 or M-38 engines,and
the I-10 was a high speed fighter of Elektron (magnesium alloy)
and powered by M-41 engine.

It's fake. I-9 and I-10 were projects Polikarpov 1929. In 1930, under the leadership Kochergina/Zonshayn was developed a conceptual design and built layout, I-9. In the summer of 1930, the project was closed. The I-10 is left in the jar of ink.

Offline hesham

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Re: Grigorovich I-9 & I-10 fighters
« Reply #6 on: March 14, 2019, 05:17:56 am »
It's fake. I-9 and I-10 were projects Polikarpov 1929. In 1930, under the leadership Kochergina/Zonshayn was developed a conceptual design and built layout, I-9. In the summer of 1930, the project was closed. The I-10 is left in the jar of ink.

That's not a proof,

of course they were a real Projects,and at least they left a drawings or a sketches for them.

Offline dabbler

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Re: Grigorovich I-9 & I-10 fighters
« Reply #7 on: March 15, 2019, 11:33:15 am »
Yes! I think, you can find find this staff in exKGB archive, but in open archive sources I
saw just Protocol layout Commission and reports of military representatives in the factories
25 and 39, which indicate who led the projects I-9 and I-10.

Offline hesham

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Re: Grigorovich I-9 & I-10 fighters
« Reply #8 on: March 15, 2019, 04:30:51 pm »
Yes! I think, you can find find this staff in exKGB archive, but in open archive sources I
saw just Protocol layout Commission and reports of military representatives in the factories
25 and 39, which indicate who led the projects I-9 and I-10.

If we can get those drawings,we will judge well about this.