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-   -   Highest LD ratio designs (http://www.cfd-online.com/Forums/main/83983-highest-ld-ratio-designs.html)

dijinj January 17, 2011 10:43

Highest LD ratio designs
 
can someone give the technical name or coordinate files of airfoils having highest LD ratio; above 50

also tell me how to generate a sears hack body's coordinate file

abdul099 January 19, 2011 18:03

There are a lot of airfoils with a L/D ratio over 50 - as long as you are just looking on the airfoil itself. Even an old one like the E603 will reach a L/D of more than 100, and to be honest, that's an out-of-date airfoil and can't compete with a modern one.
On a real plain, it depends on the aspect ratio of the wing, the shape of the fusselage, the wing tip...

dijinj January 19, 2011 22:23

I am looking for wing profile only not complete aircraft. I only need 2d cross section of airfoils

sail January 19, 2011 22:29

http://www.worldofkrauss.com/

click on "Search" and look for high L/D airfoils.

dijinj January 19, 2011 23:23

Thanks

Thank you very much


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