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Post by metalbeast on Aug 24, 2005 20:12:14 GMT -5
We've all heard the term "density altitude" at one time or another, but how many of us really know what it means? Density altitude is defined as the altitude in the International Standard Atmosphere that has the same air density as the air being evaluated. Why is this so important? Simply put, the lower the number, the more dense the air which, consequently means the more oxygen present in a given volume of air. The denser the air, the more power an internal combustion engine can produce and thus the faster it can propel a vehicle down the 1/4 mile ;D The following link allows you to determine the density altitude of a given track at a given day and time. All you need is : -Ambient Air Temperature -Dewpoint Temperature -The altitude above sea level of the track (altimeter setting) Enjoy wahiduddin.net/calc/calc_da.htm
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Post by jaberwaki on Aug 24, 2005 21:03:04 GMT -5
valuable link if you really want to know what you car is REALLY doing
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Post by Fire67 on Aug 25, 2005 8:21:47 GMT -5
Thats pretty cool, whish I could download it to my laptop for track use...
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Post by metalbeast on Aug 25, 2005 12:39:07 GMT -5
I've used it quite abit last racing season. My buddy lives litterally 5 minutes from Atlanta Dragway and I would just stop by there, check weather.com then plug in the numbers to see what the track conditions were right after I left the track. I would then compare the DA to how well I ran. Very useful info!
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