Termica (oz13478)


Termica (oz13478) by Shigemi Morimoto - plan thumbnail

About this Plan

Termica. Free flight glider model. Wingspan 1.4 m.

Direct submission to Outerzone.

Quote: "This is another design from Shigemi Morimoto when he was at Aerobras, it's a free flight glider, Cheers M Franco"

Update 15/11/2022: Added airfoil dat zipfile, thanks to Martin Huebner.

Quote: "Dear Steve and Mary, I appreciate our cooperation very much. Please find attached the airfoil coordinates for Termica (oz13478). I took the contours of the airfoils from the vector plan and saved the coordinates in standard Selig format.
For further calculations, e.g. with xfoil or xflr5, I smoothed the coordinates because the contours weren't exact enough. It would be very nice if you could add the file to plan page. Greetings from Germany,"

Supplementary file notes

Airfoil dat zipfile.


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Termica (oz13478) by Shigemi Morimoto - model pic

  • (oz13478)
    by Shigemi Morimoto
    from Casa Aerobras
    55in span
    Glider F/F Kit
    clean :)
    all formers complete :)
  • Submitted: 04/12/2021
    Filesize: 1799KB
    Format: • PDFvector
    Credit*: MFranco
    Downloads: 943

Termica (oz13478) by Shigemi Morimoto - pic 003.jpg
Termica (oz13478) by Shigemi Morimoto - pic 004.jpg
Termica (oz13478) by Shigemi Morimoto - pic 005.jpg
Termica (oz13478) by Shigemi Morimoto - pic 006.jpg

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User comments

What a superb, elegant shape! Another one to persuade you from trout angling to thermal hunting, or laying back on a gentle slope :-)
Fine, competent modern redraw work, I remember seeing Aerobrás ads in old Donald Duck mags, Brazillian edition. A Benção, mestre Franco :-)
Miguel - 06/12/2021
Hello all. Such a nice glider! Does anybody know, when it was designed?
By the way... Steve, thank you so much for your great work!
Cherry Jochen
Jochen, here Taborca - 06/12/2021
Hello - greetings from the frozen once more Yukon.
The Termica drawing shows a 6cm and 11cm height for the dihedral and polyhedral. Using the 11cm figure as correct the 6cm figure will generate an almost straight wing - basically the drawing and the dimensioning are not in agreement. By scaling the two dimensions you can generate a ratio that is determined by the drawing - this will give a 3.4332 plus cm to replace the 6cm figure given.
What the designer/drafter had in mind is unknown - I used 3.5 cm to generate a decided bend at the joint but 3cm is probably just as good or maybe better.
KW - 12/12/2021
I think that the likelihood is that the inner panel is lifted to 6cm at the dihedral break, laid down flat on the board and then an additional 11cm of dihedral added to the tip section with the inner panel flat on the board. 6cm is only 2 1/3”, 11cm is 4 1/3”. Combining those dimensions would put the wingtips 6 2/3” off the board, which would seem reasonable for a 55” span free flight glider. 4 1/3” seems a bit marginal and doesn’t reflect the proportions of the front elevation of the wing shown on the plan. I suspect that it’s an annotation issue as opposed to a drawing problem.
Pete Theobald - 12/12/2021
Curious. I agree with KW, the polyhedral drawing is unclear, and the 6 and 11 cannot both be true. So I tried taking that part of the drawing and scaling it up to full size. For me, that shows the wingtips at 10.67 cm height. The lower break seems to be 3.34 cm. I agree with Pete that that seems quite shallow in total.
SteveWMD - 12/12/2021
Dear sir, Here is the Termica under construction plan [pics 003, 004] increased to 145% for Radio Control. Cheers,
MFranco - 12/01/2022
Two pictures of the Termica finished [main pic, 005]. Cheers,
MFranco - 14/01/2022
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