1/4 mile time

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02-24-2003, 11:42 AM

#31

CRXzc903

1.0 BAR

Join Date: Dec 2002

Posts: 219

Re:1/4 mile time

yea where i live...i go to the track in palmdale. there was a guy from i think idaho visiting his parents and ran his car....he did a 15.6 with his crx. but at home he does hi 14's. so you really cant compare times.

Dane

02-24-2003, 12:03 PM

#32

turboboy

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Re:1/4 mile time

why would he be faster in montana?...the colder air?, i always thought the air was less dense and thus worse for cars because of the altitude

02-24-2003, 12:16 PM

#33

TurboEF9

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Re:1/4 mile time

Montana is not all mountainous. :P But yes, the cooler more dense air, will contain more atoms of oxygen than expanded hot air of Arizona.. Here in Kansas City, a car running say a 15 flat, but could go a little futher south to Joplin, MO and run a 14.6 ot 14.7.. why? altitude.. Same car goes to Arizon, lower altitude, higher air temps.. probably owuld run a 15 again, or higher if it's hot.. You never know.

These inconsistant conditions throughout the country make it almost impossible to "compare" times between people. That's why I disregard people who boast "My car is faster, because I ran so an so.."

In the end it's all relative.

02-24-2003, 12:39 PM

#34

turboboy

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Re:1/4 mile time

i agree about the disparities of time with where a car was run, but i thought higher altitudes hurt times because the air is less dense

02-24-2003, 12:56 PM

#35

MR_DR_PEP

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Join Date: Dec 2002

Location: Nashville

Posts: 807

Re:1/4 mile time

For some reason or another, altitude never crossed my mind. Makes since (duh).

02-24-2003, 01:42 PM

#36

TurboEF9

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Re:1/4 mile time

Quote:

Originally Posted by turboboy

i agree about the disparities of time with where a car was run, but i thought higher altitudes hurt times because the air is less dense

Ya.. that would be correct.. but only after like a certain height. I remember seeing a "chart" of a mountin with the elevations scaled up it and colored coded air densities when I was in geography in 7th grade. I wish I had that chart, it was very useful. Oh well.. but yes..

02-24-2003, 05:21 PM

#37

Honda16hb

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Join Date: Jan 2003

Posts: 7,082

Re:1/4 mile time

PV=nRT
P=pressure
v=volume
n=moles
r=a constant
t=temperature

you want lots of n, that's o2 molecules in our case, the more of that you get the faster your car goes.

02-24-2003, 06:30 PM

#38

Turbo-Dan

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Join Date: Dec 2002

Posts: 494

Re:1/4 mile time

Quote:

Originally Posted by MR_DR_PEP

For some reason or another, altitude never crossed my mind. Makes since (duh).

did you do this more than once? what were some of your other times?
the reason i ask is because sometimes there is always that chance of the track timer error.
i know one time i went to the track with my dx turbo rex and the timer glitched and gave me a 1.6 60 foot. with no name street tires. and still a slow et.