Important here is the height and the length of the fin - a long and low fin is
reducing the effect to a small percentage - but is critical in the (straight)
moving direction.
In other words - a long and low fin needs to be in the perfect alignment to the
wheels (direction) of the car.
See ya
Pork Pie
"John Burk" <joyseydevil@comcast.net> schrieb:
> My copy of Theory Of Wing Sections says the cp of symetrical air foils is 23%
> to 25% from the nose - An aeronautical engineer I consult with who is race car
> savy says the cp of a streamliner without a tail fin is at 15% - With a tail
> fin it must be at 25% to 40% depending on the size of the fin - Makes you
> wonder if it's even possible to get the cg ahead of the cp on any lsr car -
> Seems like it breakes down to lateral traction vs aero forces - It shows why
> aero lift is so bad .
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