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.

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

Datafile:
  • (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

ScaleType:
  • Kyushu_K11W | help
    see Wikipedia | search Outerzone
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    ScaleType: This (oz10018) is a scale plan. Where possible we link scale plans to Wikipedia, using a text string called ScaleType.

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* Credit field

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Scaling

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