Experimental 7-Shi Special Bomber pictures needed

Experimental 7-Shi Special Bomber

Sadly due to the rarity of the vehicle, no picture has been found.
Perhaps foto’s of the vehicle will pop up after the suggestion has passed.

Special Bomber variant
History:

Spoiler

Taking into consideration the fatal crash of the Experimental 6-Shi Special Bomber, the 7-Shi was a
cautious redesign of its staggerwing predecessor. Presumably, a more conventional biplane configuration was adopted in the new aircraft. Designers were again Navy engineer jun-ichiro Nagahata and Nakajima’s Ryozo Yamamoto.

One prototype was built in 1933 and delivered to the avy. Evaluation revealed that further improvements were necessary, causing the design to be deferred to the 8-Shi Special Bomber competition.

Statistics:

Single-engine carrier dive-bomber biplane.
Metal framework construction with fabric covering.
Rearward folding wings for stowage.
Crew of two in open cockpits.
460-580hp Nakajima Kotobuki 2-kai-J nine-cylinder air-cooled radial, driving a fixed-pitch two-bladed metal propeller.

One forward firing fixed 7.7mm machine-gun and one dorsal flexible 7. 7mm machine-gun.
Bomb load: 250kg (550Ib).
Span 11 m (36ft 1 in);
length 8.50m (27ft 10 1/2in);
height 3.50m (II ft 5%in);
wing area 30sq m (322.927sq ft).
Empty weight 1,500kg (3,307Ib);
loaded weight 2,300kg (5,070Ib);
wing loading 76.7kg/sq m (15.7Ib/ q ft);
power loading 5kg/hp (1IIb/hp).
Maximum speed 130kt (149.6mph) at 3,000m (9,843ft);
minimum speed 50kt (57.5mph);
climb to 3,000m (9,843ft) in 10min;
service ceiling 6,500m (21,325fr);
range 450nm (518sm).
One built in 1933

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Source:

I assume they scrubbed these planes from all records considering how bad they were lol.

It’s very likely the 6-Shi/7-Shi/8-Shi looked similar, the 7-Shi was basically a 6-Shi without staggered wings in terms of visual differences.

6-Shi for example:
Untitled

Yes, I know it’s wikipedia but the japanese wiki way more accurate and trustworthy.

(This one is about 6-Shi and 7-Shi)

(This one is about the 8-Shi)

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The second picture you showed is the: Experimental Kusho 6-Shi Special Bomber.

I’ve made a suggestion for that vehicle and its still on pending.

But the first one might be it! Just need some IRL pictures of the vehicle as well.

Also:

I’m aware that Kusho (Yokosuka) was was tasked with the basic design for the project but these are the only photos I could come up with and I’ll have to verify which is which.

There are still some books to check when I get home. I haven’t checked the NDL yet ( https://ndlsearch.ndl.go.jp/ ).

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I can’t read Japanese… 😂🥲
Do you?

Still learning but I make do with translation tools.

Quick search yielded 2 books that mention these aircraft.

世界航空機三面図集 第4集 (日本の海軍機篇)
and
日本軍用機三面図集 [第2] (海軍機篇)

both of which focus on planes in the Japanese Navy.

There are also these guys that found 3 documents related to both No.6 and No.7 experimental bombers but no photos.

https://www.aero.or.jp/isan/isan-katsudo/200505kikin-katsudo.htm

This is as far as I can get you right now.

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