Fugaku : Z-plane, G10 or G12

Winston said:
Blackkite how did you get the blueprint? ;D
Hi Winston-san. I got this calender from one member of Fugaku Flying club. And scanned, then posted.
The size of this calender is about 50 cm × 80cm. Blue print size is same as the original one. ;)
Date of this drawing was 5/March/1943.
Base of this design was Z-bomer designed by Nakajima aircraft Ohta factory. Engine power was half compared with Z-bomber

Many thanks Motocar-san. Excellent drawings!!
The first drawing which you posted is Fugaku final design artistic impression.(With pressurized cabin)
I believe that Fugaku final design did not have turbocharged engine. Fugaku final design had the engine with single stage 3 speed mechanical super charger. Number of propeller blade is eight.(Single propeller)
The second one is Z-bomber designed by Nakajima aircraft Koizumi factory. I believe this drawing is the trace of original drawing, reliable one. This design did not have pressurized cabin. This design was a one of the base of Fugaku final design. This design had turbocharged engine.
Perhaps Nakajima aircraft did not succeed to devolop tuebocharged HA-54 engine for Fugaku final design.
 

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Hi! After war work by Mamoru Sakamoto using Illustrator.
He's very famous Mr. Minoru Matsuba's beloved pupil.
 

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Thank you Blackkite. :)


I tried combining the images but Photoshop requires the scans of the nose and middle overlap before it will work!
 
Good idea ! Corel doesn't have this limit, but I couldn't compensate the slightly
different colors from the separate scans.
 

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Winston said:
Thank you Blackkite. :)


I tried combining the images but Photoshop requires the scans of the nose and middle overlap before it will work!
Do you need these images?
 

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Jemiba said:
Good idea ! Corel doesn't have this limit, but I couldn't compensate the slightly
different colors from the separate scans.
Good without tail, dark man. ;D
 
Yes Blackkite that is exactly what I need.
Jemiba said:
Good idea ! Corel doesn't have this limit, but I couldn't compensate the slightly
different colors from the separate scans.
I can add them together normally or use Photomerge to account for changes in perspective.
 
You did it!! Thanks a lot. B)
We will see RC model flight of this transport next year. ;)
 
blackkite said:
You did it!! Thanks a lot. B)
We will see RC model flight of this transport next year. ;)
No problem! I am excited to see it take flight. :)


I saved this image a while ago but I cannot read the caption. Is it related to the Z-Plane? Can you read it? :D
 

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Wow amazing drawing! Thanks for sharing us.
Of course I can read it. Yes I believe this design related to Z-plane. One of the Chikuhei Nakajima's private venture.
The engine is HA-54 same as Z-plane.(5000hp 36 cylinders aircooling radial)
caption says that
This is a conceptional drawing of an airplane which possesses four engines planned simultaneously with an airplane which possesses six engines.

This one? I really want to know your source. ;) 
http://www.secretprojects.co.uk/forum/index.php/topic,9451.0/all.html
 

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I think this bomber was almost same design compared with 6 engine transport.
This design was called temporaly 6 engine bomber with HA-44 enigne.(Half power compared with Z-plane.)
This was a backup of radical Z-bomber. You can see turrets which transport did not have.
 

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I think my image came from secret projects, but I cannot find it now.
blackkite said:
Wow amazing drawing! Thanks for sharing us.
Of course I can read it. Yes I believe this design related to Z-plane. One of the Chikuhei Nakajima's private venture.
The engine is HA-54 same as Z-plane.(5000hp 36 cylinders aircooling radial)
caption says that
This is a conceptional drawing of an airplane which possesses four engines planned simultaneously with an airplane which possesses six engines.

This one? I really want to know your source. ;)  
http://www.secretprojects.co.uk/forum/index.php/topic,9451.0/all.html
Interesting! So this was the original drawing from 1/28/1943 by the Nakajima club. When were the plans from Ohta and Koizumi proposed?
 
wow this topic is become better and better! awesome pics again you have posted Blackkite san!
 
Winston said:
I think my image came from secret projects, but I cannot find it now.
blackkite said:
Wow amazing drawing! Thanks for sharing us.
Of course I can read it. Yes I believe this design related to Z-plane. One of the Chikuhei Nakajima's private venture.
The engine is HA-54 same as Z-plane.(5000hp 36 cylinders aircooling radial)
caption says that
This is a conceptional drawing of an airplane which possesses four engines planned simultaneously with an airplane which possesses six engines.

This one? I really want to know your source. ;)  
http://www.secretprojects.co.uk/forum/index.php/topic,9451.0/all.html
Interesting! So this was the original drawing from 1/28/1943 by the Nakajima club. When were the plans from Ohta and Koizumi proposed?
Hmmm.....This image is a really surprising one. Anyone knows about this?
 
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. ;)
 
Kevin Renner said:
I have wonder. Just where did the IJA/N ever think they would get the fuel for such a beast
blackkite said:
I believe this transport was a Chikuhei Nakajima's private venture which transport oil and industrial materials from Southern area to Japan instead of surface transport.
blackkite said:
I think this bomber was almost same design compared with 6 engine transport.
This design was called temporaly 6 engine bomber with HA-44 enigne.(Half power compared with Z-plane.)
This was a backup of radical Z-bomber. You can see turrets which transport did not have.

Was the HA-44 a, or developed as, an alternative fuel engine, by any chance?
 
A wood turpentine oil is the liquid like oil the thing to which batsune of a pine (stump) is dried distill gives. It's called Matsune turpentine. Use as a raw material of aerial gas was tried in Japan during the Pacific War, but didn't come to practical use because effort spanned and the yield was also very bad.
 
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
 
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
 
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
 
Hi,


here is the initial drawing to G10N.


FR 3/1964
 

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Not realy Hesham.

It's more a postwar variation on the Fugaku theme...
 
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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Terrific find. Thank you Blackkite. What is the difference in meaning (or function) between OHTA & Koizumi?
 
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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Hi! HA54 engine. (No manifold initial design?)
 

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HA54 with manifold design.
 

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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. :)
 
There were some differences between these engines, especially mechanical supercharger design.
(Single inpeller and double inpeller.)
 

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Hi! Next images. Enjoy.
 

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HA54 engine model.
 

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Mitsubishi HA50 engine.
 

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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!
 
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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