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  1. Some analysis' software screenshots (OpenFOAM)....

    Some analysis' software screenshots (OpenFOAM). You can see the boundary layer benefits.
    Also, i calculated the cost for a complete aircraft and i believe that it is affordable enough.

    Best...
  2. It's a long time since my last post. The month...

    It's a long time since my last post.
    The month was too busy. I had a lot of technicals problem with the dam's rebuild. Finally, I solve all of them but it wasn't easy. Now its' vertical slide gate...
  3. Dear Mr Matt, Very good question. I ran a lot of...

    Dear Mr Matt,
    Very good question. I ran a lot of real-world models in my PC and results was getting close to experimental.
  4. Hello, as i promised i make some screenshots of...

    Hello, as i promised i make some screenshots of Lisa software. It will make more clear how i make finite element analysis.
    If you go with Lisa, you can choose laminate material from the library....
  5. Yes my friend. I make a mistake, I am sorry about...

    Yes my friend. I make a mistake, I am sorry about it.
    Thank you very much for the comment and for your interest! :-)
  6. Good evening my friends! The second part of the...

    Good evening my friends!
    The second part of the design:
    Now you know what do you want and you are ready to start the computational part of the design.
    1) Select a good airfoil for your...
  7. interesting

    interesting
  8. Replies
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    Dear friend, Hello from Greece! I had spent a...

    Dear friend,
    Hello from Greece! I had spent a lot of time on research previous years. I design an all composite 2 seat airplane.
    I am a civil engineer and i will be glad to help you if you need a...
  9. I would like to make clear that when I tell...

    I would like to make clear that when I tell "ultralight" I refer to European ultralight. I told that "fly an ultralight in Europe".
    About everything else, I am an engineer. I design it and I will...
  10. Happy new year! Best wishes for 2019! I start a...

    Happy new year! Best wishes for 2019!
    I start a more detailed technical report. Not only because I want to advertise my design but additionally because (I think) some people want to design and built...
  11. Stress forces resulting from a dynamic...

    Stress forces resulting from a dynamic responseanalysis (for loads in flutter condition) in the LISA finite element program.

    https://www.youtube.com/watch?v=BNAomwHgPbI
  12. I used naca 66-009 only for vertical and...

    I used naca 66-009 only for vertical and horizontial stabilizer. I didn't publish main's wing airfoil. I don't answer in other question because i think it is on naca 66-009
  13. Dear Bob, It is a technical report of...

    Dear Bob,


    It is a technical report of aircraft's analysis and i didn't include structural details.
    I am proud and lucky to discus with you because you have a lot of experiense. This aircraft...
  14. Dear mr Bob, I choose it because of better...

    Dear mr Bob,


    I choose it because of better behavior and comfort on rough concrete surface. In near future i will change. But for the test flight i believe that it is safer a bigger tyre. I will...
  15. I also made some animations 1)Pressures around...

    I also made some animations
    1)Pressures around the aircraft at speeds just before stall with fully extended flaps


    https://www.youtube.com/watch?v=GBNkibjqPhs

    2)Airplane hard landing...
  16. A complete report on the aerodynamic and strength design of an ul aircraft

    My name is Christos and i am a civil engineer and aviation enthusiast from greece. First of all i would like to thank you all for your interesting and useful threads. It helped me throughtout the...
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