On 3/13/2020 8:51 AM, Samuel Spanovich via KRnet wrote:
What issues might arise with this setup? Any insight is greatly appreciated; I
certainly am no expert on Aerodynamics.
Sam Spanovich,
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I don't have the answer but it seems to me to be dependent on the stall
characteristics of the two airfoils and which might stall first. Will
there be a significant difference? Several other things to consider also
like was the washout built in to the outer wing?
My wing is RAF48 entirely with a 3 degree washout. I tuffed (sp) the
wing and videoed a stall. It starts at the root and works outboard.
The ailerons remain effective through the stall so I can stall the
airplane with my feet flat on the floor and remain in control.
Whether that works the same with two different airfoils is unknown until
tested. My RAF48 is fast enough for me that I'm not going to rebuild
the wings for more speed. The choice is yours.
Larry Flesner
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