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Several decades ago - 4 or 5 at least - I saw a plan in a model aircraft magazine for a very simple rubber-band driven plane that used a piece of a dry cleaner bag (thin plastic wrap style) as a Rogallo wing. Wingspan was maybe 2 feet. Wing spars were simple 3/16" (approx balsa sticks), the body was simple balsa too. Flew great - I built several back then!

Now, I'd like to experiment with that again and would really like to have some tips - the original plans would be great if someone has a stash or online scan of it in whichever model aircraft magazine it was ... but any information on model-scale Rogallo wings would be useful to get me started.

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I found this plan online, which might be similar to what you want. The wingspan is about right, it uses a Rogallo wing and the text in the bottom-right suggests it was in a magazine called the "American Aircraft Modeler", if that rings any bells? (Your profile indicates America, so it sounded promising.)

Rogallo wing rubber band aircraft from American Aircraft Modeler

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    $\begingroup$ This is it! i looked a couple of years ago and couldn't find it and thought I'd take a chance on this new stack. Now my plan is to start building these and varying the wing parameters, do some (limited) science (or at least, engineering ...) $\endgroup$
    – davidbak
    May 10, 2020 at 16:04

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