Yokosuka (Kugisho) high-speed long-range carrier-based dive bomber

blackkite

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Hi! Kugisho's plan for high speed long range carrier base dive bomber after the loss of the Midway sea battle.

Wing Span : 12.5m, Over all length : 10.5m, Height : 3.8m, Wing Area : 26.5 square meter, Gross Weight : 4,700kg, Maximum Speed : 340knot(630km/h),/Altitude 6,000m, Range : 2,200n.m.(4,074km) with No25 bomb, 200knot(370km)cruise, 2,100n.m(3,889km) with No50 bomb, Armament : 13mm gun one. Engine : Mitsubishi MK9(A20)

And bird's eye view of Kugisho. Oppama air port(追浜飛行場) run way length were 1,200m and 800m.
Source:Gakken's "Yokosuka Naval air technical Arsenal(海軍航空技術廠)", ISBN978-4-05-605289-3 in 2008.
 

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Antonio

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Kugisho's plan for high speed long range carrier base dive bomber after the loss of the Midway sea battle
Blackkite,

many thanks for that. I see that also Japan went towards longer range attack aircraft designs. The idea was to beat enemy fleet from unexpected directions.
 

Nick Sumner

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Wow! Kugisho were an independent manufacturer or subsidiary of Yokosuka?
 

Stargazer2006

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Nick Sumner said:
Wow! Kugisho were an independent manufacturer or subsidiary of Yokosuka?
I think blackkite will confirm this, but the company variously refered to as Yokosuka, Yokosho, Kugisho or even Kusho was one and the same entity, the Imperial Japanese Navy's naval aviation works.
 

Arjen

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Nick Sumner said:
Wow! Kugisho were an independent manufacturer or subsidiary of Yokosuka?
I did some digging into Yokosho/Kusho/Kugisho designations when the MXY1 test aircraft was discussed here, because that was confusing me at that time too.

This is from 'Japanese Aircraft 1910-1941' by Robert Mikesh & Shorzoe Abe, Putnam:
The aircraft construction facility at Yokosuka has a very complicated background that goes back to the establishment of a Naval arsenal for the Imperial Japanese Navy in late 1869.This arsenal at Yokosuka, 13 miles south of Yokohama on Tokyo Bay, was established as the focal point for Naval shipbuilding, ship repairs, storage of munitions and the procurement of assorted naval supplies. When the first aeroplanes such as the Maurice Farmans and Curtiss types were imported by the Navy they were processed through this facility. They had to be assembled and periodically repaired, which logically led to modifications of existing designs, the building of new aeroplanes patterned on the old, and eventually creating and building new designs. To facilitate this work, the Aeroplane Factory, Ordnance Department, was formed at the torpedo plant of the Yokosuka Naval Arsenal in May 1913. There were no civil aircraft firms in Japan at that time to call upon for this type of work. It was during the following year, 1914, that the first acronym used in conjunction with Navy-built aircraft was formed, Yokosho, meaning Yokosuka Kaigun Ko-sho (Yokosuka Naval Arsenal).
Mikesh & Abe mention:
- the establishment of other research facilities between 1908 and 1923
- a September 1, 1923 earthquake which destroyed the various Navy research facilities at Tsukiji
- the establishment of Naval Air Headquarters on April 1, 1927
- the establishment of Kaigun Kokusho (Naval Air Arsenal) on April 1, 1932

From the same book:
Starting date Name Acronym
1 April, 1932 Kaigun Koku-sho (Naval Air Arsenal) Kusho
1 April, 1939 Kaigun Koku-Gijutsu-sho (Naval Technical Air Arsenal) Kugisho
15 February, 1945 Dai-Ichi Kaigun Gijutsu-sho (1st Naval Technical Arsenal) Ichi-Gisho
 

blackkite

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Stargazer2006 said:
Nick Sumner said:
Wow! Kugisho were an independent manufacturer or subsidiary of Yokosuka?
I think blackkite will confirm this, but the company variously refered to as Yokosuka, Yokosho, Kugisho or even Kusho was one and the same entity, the Imperial Japanese Navy's naval aviation works.
Yes it is. Kugisho was located in Yokosuka city(横須賀市)near Tokyo.
http://en.wikipedia.org/wiki/Yokosuka,_Kanagawa#Geography

http://en.wikipedia.org/wiki/United_States_Fleet_Activities_Yokosuka

http://www.dailymotion.com/video/xcvw41_yokosuka-us-navy-base_news

Battle ship Mikasa park in Yokosuka city. You can see real battle ship Mikasa here!!!

http://en.wikipedia.org/wiki/Mikasa_Park

http://en.wikipedia.org/wiki/Japanese_battleship_Mikasa
 

blackkite

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Hi! Kugisho's plan for high speed long range carrier base dive bomber after the loss of the Midway sea battle.

Wing Span : 12.5m, Over all length : 10.5m, Height : 3.8m, Wing Area : 26.5 square meter, Gross Weight : 4,700kg, Maximum Speed : 340knot(630km/h),/Altitude 6,000m, Range : 2,200n.m.(4,074km) with No25 bomb, 200knot(370km)cruise, 2,100n.m(3,889km) with No50 bomb, Armament : 13mm gun one. Engine : Mitsubishi MK9(A20)

Perhaps this aircraft was called as "Wakusei (惑星, the planet)". (This information is Baed on recent Maru magazine.)
It was an airplane of the interim existence of Suisui(彗星) and Ryusei(流星), and was the last dive bomber which the IJN planned.
 

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hesham

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Great find my dear Blackkite.
 
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