Recent content by Quivil

  1. Q

    How Can You Accurately Bend Aluminum Tubing for an Elliptical Airfoil Shape?

    I managed to code this in Maya in a sort of iterative fashion. Depending upon the value of bounceback used, it will curve more or less, even into a spiral, and the length of the curve stays constant. Thanks for your help on this, Jackmell, very kind of you.
  2. Q

    How Can You Accurately Bend Aluminum Tubing for an Elliptical Airfoil Shape?

    That's interesting, that a smaller ellipse would be the solution as far as curvature goes, but it misses an important constraint--the curve length needs to be the same--I have an airfoil of a certain length, and can't change that. Any easy solution to that? It may turn out that it's not even a...
  3. Q

    How Can You Accurately Bend Aluminum Tubing for an Elliptical Airfoil Shape?

    Thanks Jackmell...trying to digest this. I need something I can plot on a piece of plywood and then cut out! If I understand your last equation correctly, you've given the magnitude of the curvature at any point "t". (then added my additional 5 degrees) It seems to me that I could plot 0 to...
  4. Q

    How Can You Accurately Bend Aluminum Tubing for an Elliptical Airfoil Shape?

    Hello all, I'm in the process of building an ultralight glider. (to be piloted by me) As part of the construction process, I need to bend some aluminum tubing into an airfoil shape. This tubing will form the top of the wing. The bottom of the wing is flat. The shape of this particular...
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