CLASS RACER FORUM - View Single Post - Head wind vs tail wind-ET impact

Tony Curcio · 09-11-2012, 07:40 PM

The Jegs log book said that 8 mph wind = .05 ET, using a 9.90 car as an example.
It doesn't address differences in frontal area.

My experience with a Camaro running a little slower than yours matched the Jegs formula pretty well for a head wind, but is affected a bit less by a tail wind.

09-11-2012, 07:40 PM	#2
Tony Curcio Member Join Date: Mar 2002 Location: West Chester, PA Posts: 271 Likes: 1 Liked 4 Times in 1 Post	Re: Head wind vs tail wind-ET impact The Jegs log book said that 8 mph wind = .05 ET, using a 9.90 car as an example. It doesn't address differences in frontal area. My experience with a Camaro running a little slower than yours matched the Jegs formula pretty well for a head wind, but is affected a bit less by a tail wind. __________________ Tony Curcio 1860 STK