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The Hiperbipe, a side by side biplane from the ‘70s used such a linkage. If you track down an owner they will probably
share the drawings with you.

Ron,
unfortunately, if they have knocked my Aeronca out of the sky, I'll (my estate) will get blamed for crashing in the schoolyard.
250 grams will not even be slowed down by my windshield.

I'll check the box in my hangar and let you know. I'm sure I have some

[QUOTE=Byron J. Covey;52427]Just an FYI. There are other definitions within the FARs for "aerobatics." I think that the may be three, but it has been a long time since I looked. One such example...

That's what happens when Marketing guys who are not pilots design stuff. Remember the "Aerobatics USA" fiasco?
I have a wind shirt with a Pitts on the back with several defects such as only one...