Kyushu Shiragiku (oz10018)


Kyushu Shiragiku (oz10018) by Mike Hawkins 1963 - plan thumbnail

About this Plan

Kyushu Shiragiku. Free flight scale model Japanese WWII transport aircraft. For .75 to 1.0 cc engines. Scale is 1/16.

Quote: "Mike Hawkins' Kyushu Shiragiku. An unusual choice of prototype. Ideally suited for modelling - proved by its winning the Nationals in appalling weather conditions.

THIS year, for the Super Scale Trophy at the Nationals, I decided to build something unusual. The plane I selected was so little known that it was not even given an Allied code name, although it was flown for the last three years of the war. The Shiragiku (White Chrysanthemum) was built for the Imperial Naval Air Force by Kyushu (ex Watanabe), as a five seat general purpose and training aircraft. It was used as a transport and even, at the end of the war, as a suicide 'Special Attack' aircraft, although to approach the Allied Fleet at 139 mph must have proved suicidal even before reaching the attack stage! The motor was a Tempu 25 9-cylinder radial of 515 hp, the span 49 ft 2 in and the length 33 ft 7 in.

The model is of 3/4 in to 1 ft scale and is all sheet covered. While the construction is straightforward, care must be taken to avoid warps as these cannot be corrected during doping and I would not recommend this model as a project for a beginner.

Wings. Start by cementing sheets of soft 1/16 in balsa together, edge to edge and cutting out the upper and lower wing surfaces. Use balsa cement for this and not PVA glue as this leaves hard ridges after sanding. Leave 1/8 in oversize for the undersurface and 3/16 in for the upper surface to allow for curvature, place on a flat surface and sand smooth.

Assemble spars and ribs and attach undersurface of wing. PVA is better here, as it gives time to get all the pins in. The tongues can now be added and the undercarriage bent to shape, remembering to slide the brass tube for the torsion bar on to the 14 SWG wire before completing the bending. Solder this tube to a small piece of tinplate and bolt and Araldite this to a piece of ply, which can be glued to the leading edge. Now pass the u/c leg through the wing from above, sew to R1 and Araldite the inner end of the torsion bar under the plywood tongue. Araldite in place the 22 SWG wire hook for the wing retaining bands.

Now pin the wing on to the building board with the u/c leg hanging over the edge (or drill a hole in your work bench!) and place 1/8 in packing under the rear spar at the tip for washout, then add the upper surface with plenty of glue and pins and leave overnight to set firm. From here on the wing is practically warp proof, so it must be accurate at this stage..."

Kyushu Shiragiku, Model Aircraft, October 1963.

Direct submission to Outerzone.

Supplementary file notes

Article pages, thanks to RFJ.


Did we get something wrong with these details about this plan (especially the datafile)? That happens sometimes. You can help us fix it.
Add a correction

Kyushu Shiragiku (oz10018) by Mike Hawkins 1963 - model pic

  • (oz10018)
    Kyushu Shiragiku
    by Mike Hawkins
    from Model Aircraft (ref:383)
    October 1963 
    37in span
    Scale IC F/F Military
    clean :)
    all formers complete :)
    got article :)
  • Submitted: 21/04/2018
    Filesize: 979KB
    Format: • PDFbitmap
    Credit*: Circlip, RFJ
    Downloads: 882

  • Kyushu_K11W | help
    see Wikipedia | search Outerzone
    Test link:
    search RCLibrary 3views (opens in new window)

    ScaleType: This (oz10018) is a scale plan. Where possible we link scale plans to Wikipedia, using a text string called ScaleType.

    If we got this right, you now have a couple of direct links (above) to 1. see the Wikipedia page, and 2. search Oz for more plans of this type. If we didn't, then see below.

    ScaleType is formed from the last part of the Wikipedia page address, which here is
    Wikipedia page addresses may well change over time.
    For more obscure types, there currently will be no Wiki page found. We tag these cases as ScaleType = NotFound. These will change over time.
    Corrections? Use the correction form to tell us the new/better ScaleType link we should be using. Thanks.

Kyushu Shiragiku (oz10018) by Mike Hawkins 1963 - pic 003.jpg
Kyushu Shiragiku (oz10018) by Mike Hawkins 1963 - pic 004.jpg
Kyushu Shiragiku (oz10018) by Mike Hawkins 1963 - pic 005.jpg

Do you have a photo you'd like to submit for this page? Then email

User comments

No comments yet for this plan. Got something to say about this one?
Add a comment



Download File(s):


* Credit field

The Credit field in the Outerzone database is designed to recognise and credit the hard work done in scanning and digitally cleaning these vintage and old timer model aircraft plans to get them into a usable format. Currently, it is also used to credit people simply for uploading the plan to a forum on the internet. Which is not quite the same thing. This will change soon. Probably.


This model plan (like all plans on Outerzone) is supposedly scaled correctly and supposedly will print out nicely at the right size. But that doesn't always happen. If you are about to start building a model plane using this free plan, you are strongly advised to check the scaling very, very carefully before cutting any balsa wood.


Terms of Use

© Outerzone, 2011-2024.

All content is free to download for personal use.

For non-personal use and/or publication: plans, photos, excerpts, links etc may be used, provided that full and clear credit is given to Outerzone with appropriate and specific direction to the original content i.e. a direct hyperlink back to the Outerzone source page.

Unauthorized use and/or duplication of this material without express and written permission from this site's owner is strictly prohibited. If we discover that content is being stolen, we will consider filing a formal DMCA notice.