High Altitude?

[Nixon]

I sort of have a dumb question, I live in Colorado and i was wondering my much high altitude will affect my car on the strip. Do cars run slower in colorado?

[slow6]

Re: High Altitude?

It depends on the density altitude more than the altitude.
But yes, this is an advanced topic that needs to be discussed/researched more!!

http://en.wikipedia.org/wiki/Density_altitude
The formula for figuring out DA is easy

[UDLOSE98]

Re: High Altitude?

short answer, yes

[slow6]

Re: High Altitude?

higher density means more oxygen molecules and more power... lower density means less oxygen and less power.

at least this is true for airplanes and thier CRs

If you take your car to the dyno on a cold day at low altitude, it will make a lot of power. if you take exactly the same car back to the same dyno on a hot day, it will make less power. If temperature, humidity and pressure are carefully controlled then you will always make the same power

[slow6]

Re: High Altitude?

Density altitude is a concept based solely on air density, and is neither "pressure altitude" nor "mean sea-level altitude", but is strictly "density altitude".


Although the concept of density altitude is commonly used to help express the effects of aircraft performance, the really underlying property of interest is actually the air density.

For example, the lift of an aircraft wing, the aerodynamic drag and the thrust of a propeller blade are all directly proportional to the air density. The downforce of a racecar spoiler is also directly proportional to the air density. Similarly, the horsepower output of an internal combustion engine is related to the air density. The correct size of a carburetor jet is related to the air density, and the pulse width command to an electronic fuel injection nozzle is also related to the air density.

Density altitude has been a convenient yardstick for pilots to compare the performance of aircraft at various altitudes, but it is in fact the air density that is the fundamentally important quantity, and density altitude is simply one way to express the air density.

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[slow6]

Re: High Altitude?

As you may have noticed, moist air is less dense than dry air. It may seem reasonable to try to argue against that simple fact based on the observation that water is denser than dry air... which is certainly true, but irrelevant.

Everything makes sense

[slow6]

Re: High Altitude?

It keeps going on and on and on..... Soo much info

Even rocket scientists would seem as merely idiots if they didnt use tools (like a search function). Tools were developed (as a new technology) to give our lives convenience / luxury / and all around easy living.

[calvo]

Re: High Altitude?

up here our cars run about a second slower give or take depending on weatere and mods so on and so forth. . .