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Old 01-17-2004, 23:30   #1 (permalink)
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1/4 mile calculator.

Just an interesting site for all those who want to work out there theroretical 1/4 time.

http://www.web-cars.com/math/qtr_mile.html

Remember, add the weight of the car, driver and fuel in pounds and the engine hp (not Kw).

(weight calc is here: http://www.worldwidemetric.com/metcal.htm )

It seems relatively accruate however it has some errors as it says an AU XR6 VCT should be quicker than the HP, which of cours, it's not.

Mine came back with:

Car weight: 3681 lbs.
Horsepower: 230 hp
Configuration: Rear Wheel Drive

Results
Quarter Mile Acceleration: 15.917 seconds.
Terminal speed: 92.8658 mph.
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Old 01-17-2004, 23:44   #2 (permalink)
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Re: 1/4 mile calculator.

Well mines pretty close to what i had last week

Car weight: 3600 lbs.
Horsepower: 247 hp
Configuration: Rear Wheel Drive


--------------------------------------------------------------------------------

Results
Quarter Mile Acceleration: 15.429 seconds.
Terminal speed: 95.8157 mph.

Times are near identical, but Mph is quicker.
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Old 01-18-2004, 02:33   #3 (permalink)
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Re: 1/4 mile calculator.

Well I wonder?

Car weight: 3703 lbs.
Horsepower: 313.56 hp
Configuration: Rear Wheel Drive
Quarter Mile Acceleration: 14.384 seconds.
Terminal speed: 102.7692 mph.

This is what I got,EL XR8.
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Old 01-18-2004, 02:46   #4 (permalink)
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Re: 1/4 mile calculator.

O,K so how much does an AU II XR8 weigh in at,can anybody help?.
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Old 01-18-2004, 02:51   #5 (permalink)
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Re: 1/4 mile calculator.

TO work out the weight, (Go to the Cars Manual, and get it from there), then times the KG weight by 2.2, to give you the pounds weight.

For HP, divide your flywheel(kw) figure by 0.75, and this will give you your FWHP(aprox).
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Old 01-18-2004, 06:18   #6 (permalink)
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Re: 1/4 mile calculator.

here is a link for kilowatt conversion to horsepower..

http://www.smasa.com.au/documents/fa.../hp_to_kw.html

very close, friday nite i ran 14.87 @ 94mph i would love to get that 100 mph..
Results
Quarter Mile Acceleration: 14.725 seconds.
Terminal speed: 100.3811 mph.
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Old 01-18-2004, 06:52   #7 (permalink)
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Re: 1/4 mile calculator.

hmm i got

Car weight: 3595 lbs.
Horsepower: 210 hp
Configuration: Rear Wheel Drive


--------------------------------------------------------------------------------

Results
Quarter Mile Acceleration: 16.279 seconds.
Terminal speed: 90.8057 mph.

Didnt know how much power to add for the exhaust, so thts just standard power

But i hope it would be quiker than that. Thought mid-high 15's??
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Old 01-18-2004, 06:56   #8 (permalink)
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Re: 1/4 mile calculator.

If i add 15hp fo rthe exhaust it drops to 15.908.
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Old 01-18-2004, 13:39   #9 (permalink)
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Re: 1/4 mile calculator.

Just remember not to take it all to serious. Remember, it ignores things like transmission, gear ratios and final drive ratios so it's just a bit of fun and a very rough estimate.
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Old 01-18-2004, 13:55   #10 (permalink)
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Re: 1/4 mile calculator.

Here's mine. I have a 3inch cat-back exhaust but don't know what that gains.

Car weight: 4147 lbs.
Horsepower: 300 hp
Configuration: Rear Wheel Drive

Results
Quarter Mile Acceleration: 15.159 seconds.
Terminal speed: 97.5247 mph
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