David Knights' Weblog

March 9, 2020

MXY-7 info

Filed under: Modeling — dknights @ 5:19 pm
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My last model completion was the Brengun kit of the MXY-7 OhkaHere is a blog post by someone who assisted in the restoration of the one at the IWM. (h/t Jeff “Inch High” Groves)

January 7, 2020

MXY-7 Model 11 Ohka

Filed under: Modeling — dknights @ 11:58 am
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I’ve been building the Brengun kit of the MXY-7 Model 11 Ohka.  It is finally finished and I got a few rushed cell phone shots of it last night.  The Ohka was one of Japan’s late war attempts to stem the inevitable tide of the US Pacific fleet.  The Ohka (cherry blossom) went from conception to production to deployment in less than a year.  we know that about 755 Model 11s were made.  It is unclear how many were actually used, though some number went down with the carriers Shinano and Unryu and a number were captured intact on Okinawa.  The Ohkas are known to have sunk 3 ships and severely damaged 3 more.  However, none were carriers or battleships and on the whole the effort and cost expended on these manned rocket powered bombs seems to have been a waste of resources as well as their pilot’s lives.

The Brengun kit is relatively new, having been issued in 2018.  In addition to the basic kit, Brengun makes, a separately sold vac canopy, a photo etch set and canopy masks.  I recommend getting the photo etch (though not all of it is usable) and the canopy masks. (always get the canopy masks)  While not perfect, it was a fun build and I like the way it came out.

February 7, 2019

MXY-7 Ohka update

Filed under: Modeling — dknights @ 5:15 pm
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Sand and fill. Sand and fill.  Having gotten past the stage in the build where I just wanted to chuck it, I continue working on the Ohka.  I managed to get in about 45 minutes of modeling the other night.  I should be ready to attached the canopy and begin painting soon.  More photos as soon as I have something new to show.

February 3, 2019

MXY-7 Update

Filed under: Modeling — dknights @ 6:10 am
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Sorry, no pictures.  I hit this point in almost every build.  That point where I am ready to give up on the build.  This usually happens after priming.  I think the model looks good and I hit it with primer, and then, nothing but disappointment.  Well, that is what happened here.  However, I haven’t given up.  I haven’t quit.  I am pushing thru it and I hope to post some nice update photos soon.

January 22, 2019

Brengun MXY-7 Ohka update

Filed under: Modeling — dknights @ 3:23 pm
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Y’all may not remember, but I do actually model from time to time.  I’ve been working on the Brengun MXY-7 Ohka.  Given how small it is, you would think it would take a lot less time than a larger kit.  This isn’t the case.  In any event, it is together and due to the shorter run nature of the kit, I’m having to put a little extra time in on the seams.






















Yes, the seat seems to have a slight tilt to it.  No, I am not going to fix it.

January 20, 2019

MXY-7 Model 22

Filed under: Modeling — dknights @ 12:39 am
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Brengun is going to release a Model 22.  I am currently building their Model 11.  The 22 was produced, but never used operationally.

December 10, 2018

Ohka update

Filed under: Modeling — dknights @ 10:31 pm
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Got a little bit of modeling in over the weekend.  Not much, but enough to finally get the Ohka fuselage together.  I apologize for the crappy photos.  While the kit is fairly new, it definitely has a limited run feel to it.  The fit isn’t exactly Tamiya level.

November 26, 2018

More MXY-7 info

Filed under: Modeling — dknights @ 12:04 am
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While my posts still don’t hold a candle to the work Jeff Groves is doing (see here ) I am continuing to try and post more detailed modeling related info.  My work on the Brengun MXY-7 Ohka continues.

Here is the cockpit ready to be installed.  I hate photo-etch seat belts.  This kit was no exception.
























Here are the kit sidewalls.  I painted them aluminum with Alclad II and then glossed them with Future and ran some Tamiya panel line color into some of the panels.  Given the size of the Ohka, none of this will ever been seen, but I am using this kit to experiment.

Cockpit sidewalls
























Here is a photo of the cockpit panel.  The photo-etch set from Brengun does a nice job of reproducing this.  (Note the missing instrument.  I wonder what it was.)

Cockpit panel














Here is a shot of the tail.  Note the reinforcing patches around the hinges on the tail.  Note the slightly different color.  I will try to reproduce this on the model.

MXY-7 tail

November 19, 2018

Notes on the MXY-7

Filed under: Modeling — dknights @ 2:41 am
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Having been shamed by Jeff “Inch High” Groves and Jim “Crazy Canuck” Bates, both of whom have great blogs with actual content, and not just link farming, below is some research related to the Brengun MXY-7 Ohka I’ve been building.

I was surprised at how little period material is available on the MXY-7.  There are lots of shots of dubiously restored aircraft, (according to wikipedia there are at least 14 survivors) but very little in the way of contemporaneous photos. There are some famous films of Ohkas discovered on Okinawa and a few after the war still shots in Japan.  Below is a selection of shots from the internet with some notes.


This is a still from a color film on Youtube of the Ohkas on Okinawa.  What is interesting in this shot is the very light gray at the wing root.  The Okinawa Ohks are usually depicted as being overall light gray, but in this shot it appears that they are more of the RLM 02 type color usually seen on early Zeros.  Jim Lansdale has illustrated the Ohka as having the brown-gray body and light gray wings.

There are two retractable tube one on either side of the Ohka windscreen.  This photo, from the same film, shows one pulled out in the extended position.  I suspect these were used for something when attached to the mothership. (If anyone knows for sure, let me know)  The circular panel around the tube appears to be painted a different color.  I thought it might be red, but I am not sure.  You don’t see these tubes on all Ohkas.

Here is a screen capture from a grainy black and white allied intelligence film of the same aircraft. Note the tube in the retracted position and the darker circular panel surrounding the tube.

Here is a shot from a color film of a display of captured German and Japanese aircraft after the war.  Note the color of the fuselage and wings.  This supports Mr. Lansdale’s interpretation of the Ohka color scheme.

I’ll have a follow on post with more photos soon.




November 15, 2018


Filed under: Modeling — dknights @ 5:14 pm
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Jeff “Inch High” Groves and Jim “Cranky Canuck” Bates have shamed me with their qualitatively superior posts that aren’t just interesting links, but are actual research and model related information, with photos to boot.  I am going to try and change that.

Thanks to Scott “Skippy” King, I’ve been working on the Brengun MXY-7 Ohka.  Now that the great migration has finished and I’ve once again put down modeling roots, I’ve finally been able to model a bit.  Last night I broke out the airbrush and painted the interior of the Ohka.  Since sources are kind of sketchy, I decided to paint the interior floor and seat and instrument panel WEM Nakajima Interior Gray Green. I like the color.

Ohka cockpit

More to follow.

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