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Fugaku : Z-plane, G10 or G12

T-50

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blackkite said:
T-50 said:
wow this topic is become better and better! awesome pics again you have posted Blackkite san!
T-50 san, we are waiting for your new work. ;)
I going make some art work of G10N and Kawasaki 200 in the new year you will see it soon Blackkite san
 

blackkite

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That's wonderful news T-50 san! I'll have the hunch which seems to be surprise and the joyful year for me next year. :D
 

athpilot

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T-50 said:
blackkite said:
T-50 said:
wow this topic is become better and better! awesome pics again you have posted Blackkite san!
T-50 san, we are waiting for your new work. ;)
I going make some art work of G10N and Kawasaki 200 in the new year you will see it soon Blackkite san
...great news for the new year!! :D Best wishes, Athpilot
 

blackkite

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Hi! Clear image of Z-OHTA bomber. I believe this drawing is a trace or direct copy of Nakajima's original drawing. Very reliable one.
Engine ; Nakajima HA-54 take off power 5,000hp/each, Span ; 63m, Length ; 46m, Wing area ; 330 square meter, Gross weight ; 122ton, Maximum speed ; 780km/h, Ceiling ; 15000m, Range ; 19400km(with 5ton bomb), 16500km(with 10ton bomb), Armament : 20mm cannon×4 , Bomb ; max 20ton.
(I think these data are not reliable.)
Source : IMPERIAL JAPANESE NAVY AIRCRAFT, KOKU-FAN Illustrated, 98-4 N0.99, 1998.

We need Z-KOIZUMI clear drawing which survive still now. ;)

There is contradiction about store method of main gear for the last 2 drawings.
Cutaway drawing had main landing gear housing in middle engine nacelle same as Z-OHTA..
But I can't find any main landing gear housing in middle engine nacelle in the bottom official drawing. :-[
 

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foiling

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Terrific find. Thank you Blackkite. What is the difference in meaning (or function) between OHTA & Koizumi?
 

blackkite

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foiling said:
Terrific find. Thank you Blackkite. What is the difference in meaning (or function) between OHTA & Koizumi?
Hi!
http://www.secretprojects.co.uk/forum/index.php/topic,14582.210.html

And Fugaku chief designer Yasushi Koyama.
 

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blackkite

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HA54 with manifold design.
 

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foiling

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Thank you so much, Blackkite. I often have to rush through articles and missed the very answer i wanted. Appreciate your tolerance with the less thorough fans of this site. :)
 

T-50

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these engines are real power beast that's for sure! and imagine six of them to power a huge plane like the Fugaku awesome!
 

blackkite

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Recently I get this HA54 engine plan point book.
Accoring to this book, engine drawing in this book is not including first stage turbo charger or mechanical supercharger.
So HA54 engine had two stage supercharger.
 

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blackkite

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Hi!
Japanese TV drama "さらば 空中戦艦 富嶽 (Good-bye Air battle warship Fugaku)" which described Fugaku project from the beginning untill the end.
https://www.youtube.com/watch?v=TPKswuHhq_Y
https://www.youtube.com/watch?v=PudibVPkzNY
https://www.youtube.com/watch?v=tgO-kv_Gwdk
https://www.youtube.com/watch?v=_nBi31Myu-k
https://www.youtube.com/watch?v=5PCOPaH2UYs
 

blackkite

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THis drawing is from Fuji Heavy Industries calender in 1980.
Obviously this is the Z-plane, not Fugaku.
Recognition to Fugaku of Fuji Heavy Industries is this degree. I want Fuji Heavy Industries to think about Fugaku more seriously. :(

http://www.ne.jp/asahi/airplane/museum/nakajima/FUGAKU.html
 

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blackkite

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Hi!
Fugaku flying club 2016 calender. Enjoy.
Top : Z-bomber
Middle : Z-passenger transport model
Bottom : Z-oil transport model(RC flying model is under construction now.)
 

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blackkite

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Chikuhei Nakajima's all-electric housing.
http://shimousasougou.sakura.ne.jp/blog/2015/04/12/%E6%98%A5%E4%BC%91%E3%81%BF%E4%BC%81%E7%94%BB-%E4%B8%AD%E5%B3%B6%E7%9F%A5%E4%B9%85%E5%B9%B3%E9%82%B8%E3%81%A8%E5%85%AD%E7%99%BA%E6%97%85%E5%AE%A2%E6%A9%9F%E3%80%8C%E5%AF%8C%E5%B6%BD%E3%80%8D/
 

hesham

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blackkite said:
Hi!
Fugaku flying club 2016 calender. Enjoy.
Top : Z-bomber
Middle : Z-passenger transport model
Bottom : Z-oil transport model(RC flying model is under construction now.)
Amazing find my dear Blackkite.
 

T-50

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blackkite said:
Hi!
Fugaku flying club 2016 calender. Enjoy.
Top : Z-bomber
Middle : Z-passenger transport model
Bottom : Z-oil transport model(RC flying model is under construction now.)
Awesome calender Blackkite San!
 

blackkite

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Thanks dear my friends. I'm verry happy to know that you enjoy this calender.
Please take note that these were all Chikuhei Nakajima's real private projects.
The original drawings for these aircraft by Nakajima Aircraft are still survived as you already know.
I got this calender from Fugaku Flying Club.

http://gritz.web.fc2.com/fugaku/index.html

Mail address of Fugaku Flying Club :
jkuki@albsasa.com
 

blackkite

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Hi! Clean drawing of Z-Koizumi.
I believe this drawing was a trace of Nakajima's factory drawing.
You can see single turbocharger, drop tire, Ha-54 engine, etc.
This design did not have pressurized cabin. The crew use Oxgen mask when high altitude flight.


Source : https://forum.warthunder.com/index.php?/topic/206828-nakajima-g10n1-fugaku-%E5%AF%8C%E5%B2%B3-or-%E5%AF%8C%E5%B6%BD-34mount-fuji34/&page=5
 

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Tonton-42

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blackkite said:
Hi! Clean drawing of Z-Koizumi.
I believe this drawing was a trace of Nakajima's factory drawing.
You can see single turbocharger, drop tire, Ha-54 engine, etc.
This design did not have pressurized cabin. The crew use Oxgen mask when high altitude flight.


Source : https://forum.warthunder.com/index.php?/topic/206828-nakajima-g10n1-fugaku-%E5%AF%8C%E5%B2%B3-or-%E5%AF%8C%E5%B6%BD-34mount-fuji34/&page=5
I love that drawing. Unfortunately that speculative plane is more a What-if subjet than a Secret project ... :'(

Tonton
 

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I would call it a "proposal" since that is what Nakajima called it. I guess all the "combat ready" images could be characterized as "what if?". Correct me if I am wrong but "Project Z" was Nakajima's name for it rather than a an official government label.
 

Tonton-42

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windswords said:
I would call it a "proposal" since that is what Nakajima called it. I guess all the "combat ready" images could be characterized as "what if?". Correct me if I am wrong but "Project Z" was Nakajima's name for it rather than a an official government label.
I think it is very difficult to put things in perspective between the speculative technical reality of the period 40-45 and the construction of the technological myths later than the war ... We should not make uchronie ( What-if) instead of bringing back authentic dreams (Secret Projects) of that period ... The reality is already so extraordinary sometimes ! I think that in the case of Fugaku the project was so ambitious and so little moved forward technically as all the sorts of proposals are doubtless valid. But it is only the opinion of a (very !) small amateur in the very limited aeronautical culture !

That does not prevent me from finding the subject approached hyper fascinating :)

Very friendly
 

blackkite

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Hi! I believe this is a Nakajima's factory drawing of Z-Koizumi.
You can see turret located cockpit under side of the fuselage and turret located behind cockpit top of the fuselage.(And nose?)
Also you can see non step wind shield. ;)
But I can't find main undercarriage housing at the engine nacelle. And propellers seems to be single, engine size seems to be small compared with HA-54 engine.Ummmm......??? What is this aircraft!!? ;D
 

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blackkite

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Hi! Z-military transport flying model. She has four contra rotating propelllers!! Inboard two propellers are single? ;)
Perfect crosswind landing!! :eek:

Official drawing of this aircraft.
http://www.secretprojects.co.uk/forum/index.php?action=dlattach;topic=14582.0;attach=514492;image

https://www.youtube.com/watch?v=5ca0GY232aE

https://www.youtube.com/watch?v=jxGlvVx909o
Some pictures.
http://blogs.yahoo.co.jp/pasyatom26ebf2b/33743688.html
 

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blackkite

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Z-Ohta bomber 1/48 scale model.
超重爆撃機 : Super heavy bomber, 富嶽 : Fugaku, 初期構想型 : Initial plan version, 48分の1ソリッドモデル : 1/48 scale solid model

Also you can see Shinzan, Ki-64 and Ki-93??

https://www.youtube.com/watch?v=emIPM_SU-VM
 

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blackkite

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More images for Fugaku military transport flying model.
http://linkis.com/www.sankei.com/photo/gD9nt
http://ameblo.jp/minilite/image-12212823036-13780915401.html
http://blogs.yahoo.co.jp/pasyatom26ebf2b/33743688.html
 

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blackkite

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This picture shows 6 contra rotating propellers. ???
 

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snark

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WOW!

Some pretty skillful R/C modellers/fliers in Japan...

Thanks so much for posting this terrific recreation of a gorgeous airframe.


Harry
 

blackkite

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I'm very happy to know that you enjoyed this flying model. :D
http://ameblo.jp/minilite/entry-12212823036.html
The engine of this model are electric motors. Span is 4.5m.
You can see more pictures here.
http://ameblo.jp/minilite/entry-12212823036.html

http://www.secretprojects.co.uk/forum/index.php/topic,14582.300.html
 

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blackkite

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Honestly speaking, original planned propeller of this aircraft is single. But Fugaku flying club wanted to try contra rotating propeller. ;D
http://www.secretprojects.co.uk/forum/index.php?action=dlattach;topic=14582.0;attach=514492;image
 

snark

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A very brave experiment!

You also posted a version with six contra-props. I assume there was a reason just the inboards reverted to single propellers...

This is an aesthetically appealing airframe. So glad the design survived to be reborn and to fly (in miniature). My other favorite is the Lockheed 1049G.

Always learn something new from your posts. Thanks again. Harry
 

blackkite

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Hi! New dicovery.

Sweeping airplane for Fugaku formation escort.
This aircraft was designed by Nakajima aircraft Ohta factory in 1943.
One more same aircraft design is exist designed by Nakajima aircraft Koizumi factory.

http://www.sankei.com/premium/photos/170609/prm1706090009-p7.html

http://www.sankei.com/premium/news/170609/prm1706090009-n1.html
"There are two kinds of design drawings of the found sweeping aircraft, which was made in 1943. Both were equipped with 400 machine guns in tandem on the abdomen of the fuselage. The two types had different sizes. Two types were designed by the Nakajima Aircraft Ota factory which had been building army airplanes and by the Nakajima aircraft Koizumi factory which had been building Navy aircraft.
Ohta factory design was made in January 1943. The equipped weapon and the total weight including 13 passengers are 57.5 tons, the speed is 543 km / h. Some officials consider it to have been expected as a transport aircraft utilizing huge aircraft other than escort aircraft. For Japan, transport aircraft were indispensable for sending new troops etc. instead of ships to the United States.

On the other hand, Koizumi's sweeping aircraft designed three months later than the Ota factory in April 1943. Overall weight 90 tons, occupant 10 people. The speed at altitude 13,000 meters could be up to 800 km/h, 400× 7.7mm guns or 150×20 cannon could be installed. For escort specialization, it was supposed to sharpen the power of enemy ship and enemy aircraft by gun sweep during battle."

Bottom drawing shows Koizumi design?
 

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