I want to build a hydrofoil like this picture: enter image description here

I discovered that you can pump it with a leg motion and moving the center of mass. Like this:

I discovered xflr5 and did some of my own simulation. I am in aww of the complexity of aeronautic engineering. I learned so much in such a small time.

As you can see in the video, pumping is very hard and you can only do it for short amount of times. so that i had the idea to optimize the wing configuration for this type of drive. I am not quite sure if the rear wing produces lift or is actually pushing down like in a commercial aircraft. My design in xflr5 has a very high aspect ration and a very high wingspan and i am searching for designs with higher aerodynamic efficiency.

I found a few ideas:

  1. Flying wings i guess it would be hard to get longitudinal stability if the center of mass is so high.
  2. A canard wing configuration.
  3. Flying wing with bell shaped lift distribution
  4. Boxwing configuration
  5. Tandem configuration.

But i dont understand how tailless boxwing configuration produce longitudinal stability same for tandem configuration.


Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Browse other questions tagged or ask your own question.