Maybe what is happening is that the back of your car is a lot more aero (less drag at the back) and you are losing the parachute effect of the original kamm tail. Perhaps a vertical tail fin is needed to give the back of your car some sail area to help keep the nose going straight in a side wind.
You may also have improved the lift of your vehicle in that the weight is being removed from the road decreasing your traction and control.
It is interesting to read your comments.
Quote:
Originally Posted by 3-Wheeler
Anyone who is watching the weather over the last day or so, knows that we are having extraordinarily high winds in the midwest.
This morning on the way the work, the car was blasted with 40 to 50 mph side winds along with blinding rain.
It was incredibly difficult to see to keep from driving off the road. I could hear debris picked up by the wind, bouncing of the side of the car, including stuff being deflected by the fiberglass at the rear.
As for the extension, I did notice that the center-of-pressure still seems to be toward the front wheels, as each time a burst of wind came, the nose of the car would point away from the direction of wind.
On the way home tonight, it was not raining, but still blowing very hard with quite a bit of debris to avoid on the road. Again the nose of the car seemed to be the most affected by the high side-winds.
Jim.
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