LINK: How to design blended wing body RC airplane

The mentioned AVL can be found from the following address:

    • Thad Beier
    • June 9th, 2009


    I can't wait to see your BWB design ideas…even napkin sketches would be great!

    And if you want spectacular CG renders, let me know, I can do that.

    • Exo Cruiser
    • June 9th, 2009

    About BWB:

    > This is a very iterative
    > process, but if done correctly
    > you will get higher CLmax and L/D
    > that a tube and wing design.

    Hmmm.. but the point is that you only need CLmax and L at landing or take off. When flying at cruise speed there will be too much L with that wing and it adds structure weight and handling at turbulence is horrible. I don't like BWB… also birds do not have it. "Best wing – least wing".

    • Exo Cruiser
    • June 23rd, 2009

    I have to addmit that if you need a plane that can fly very high you do really need all the lift you get so that the case is a bit diferent. But excess wing for a normal cruising plane is still just a nuisance.


    • Karoliina Salminen
    • June 29th, 2009

    exocruiser: you have misunderstood the thing. Planes are not designed like that!

    High clmax is the way to have small wing. You are going into woods now backwards with your reasoning, because there never is excess wing in airplane, the wing loading is chosen by designer and how low or high it is depends on the concept and the compromise made.

    Center section is of course included in the wing area in design and optimzation phase. Wing area is S by the way. I do not know what is L you are referring to.

    Blended config will have smaller wings than tube+wing and weight significantly less than tube +wing.

    • NcPlane
    • July 25th, 2009

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    Please visit here

  1. Hello, I am playing with XFLR5 and BWB design. I have make a comparison to a convencional medium performance RC glider (ION) and BWB seems to offer bad results, i really don’t understand this diferences.

    I have published experiment here

    any suggestion are welcomed

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