Gtc-200 wing
#2
When I used to run the 1st gen GTC-200 with the OEM hardtop I would put a straightline across the centre part of the wing and start about level to the ground.
From there I would go up or down maybe 3-5 degrees - a lot of the time I would run the wing with the the leading edge of the centre section slightly higher than the rear, so the wing was "tipped back".
I believe flat across the centre translates to about 10degrees AOA on the outside sections (the part that would supposedly be in freestream / not affected by roof).
So flat on the centre section you might be around 7-10AOA out of the (0-15AOA on the CFD data). I think when you start to raise the leading edge higher you are getting into the 0-7AOA range.
This was with the V1 wing so the profile has changed some and I am not sure if it has a gurney now on the trailing edge that might affect this.
I was running without front aero and I would set the wing so I had a good balance thru the fastest turns - T12 Road Atlanta or T9 Roebling where I want to be flat with stable rear but not too much understeer.
From there I would go up or down maybe 3-5 degrees - a lot of the time I would run the wing with the the leading edge of the centre section slightly higher than the rear, so the wing was "tipped back".
I believe flat across the centre translates to about 10degrees AOA on the outside sections (the part that would supposedly be in freestream / not affected by roof).
So flat on the centre section you might be around 7-10AOA out of the (0-15AOA on the CFD data). I think when you start to raise the leading edge higher you are getting into the 0-7AOA range.
This was with the V1 wing so the profile has changed some and I am not sure if it has a gurney now on the trailing edge that might affect this.
I was running without front aero and I would set the wing so I had a good balance thru the fastest turns - T12 Road Atlanta or T9 Roebling where I want to be flat with stable rear but not too much understeer.
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