I need to check the wing profile on my T18 project and decided I would make a template so started drawing. I also thought it might be interesting to see the subtle differences between the various different profiles overlaid in one drawing.
The attached drawing has the Std T18, LDS-4-212 and the HB-J-2 wing profiles. It might come in handy for some one.
Note: The HB-J-2 profile has a problem around the leading edge but I only put it on the drawing for for interest. From my reading of the newsletters it isn't clear if it was ever used on more than one aircraft. Hopefully the LDS and Std T18 profiles are correct.
Stuart
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547 airfoil profile.pdf [225.82 KiB]
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