Annular wing

I read about annular wings today, and on a whim, decided to just make one from the leftover from from the previous build. Apart from plain old curiosity, I'm using this to test some 30 minute gorilla glue.

Interestingly, when I tossed this into the air, it goes forward for a few feet, before tumbling into a spin along its longer axis (wanted to make a circle, but didn't realize how much strength the packing tape would make the joint flat.).

I'll probably get around to building a rudder of sorts and a "fuselage" that leads the wing. See if I can make it glide. Should be fun :)