Car Forums formula for how fast a car can go?
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 04-12-2005, 12:12 AM #1 c90acm CF Newbie     Join Date: Mar 2005 Posts: 61 formula for how fast a car can go? is there a certin formula to figure out how fast a car can go, like to compare two cars, where you could plug in specs of a car?
04-12-2005, 12:46 AM   #2
windsonian
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Quote:
 Originally Posted by c90acm is there a certin formula to figure out how fast a car can go, like to compare two cars, where you could plug in specs of a car?
No, it depends on many variables, such as:
engine power / torque specs
gearbox and other transmission ratios
car mass
wheel diameter
tyres
aerodynamics
efficiency of transmission
etc etc etc ....

04-12-2005, 12:50 AM   #3
vwhobo
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Quote:
 Originally Posted by windsonian No, it depends on many variables, such as: engine power / torque specs gearbox and other transmission ratios car mass wheel diameter tyres aerodynamics efficiency of transmission etc etc etc ....
You mean not all cars are the same? WTF was I thinking.
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 04-12-2005, 12:53 AM #4 carls47807 CF Freak   Join Date: Mar 2005 Location: new york Posts: 582 to calculate horsepower most of the people i hear from take the actual horsepower of their car (as listed on a manufacturers website) multiply it by 2, then add about 20 horse power for whatever mod they put on (whether it be an air cleaner, spoiler, or k and n oil filter). so my ford escort would be (105 * 2 + nothing) = 210 horsepower.
04-12-2005, 04:55 AM   #5
Mathew
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Quote:
 Originally Posted by carls47807 most of the people i hear from take the actual horsepower of their car (as listed on a manufacturers website) multiply it by 2, then add about 20 horse power for whatever mod they put on (whether it be an air cleaner, spoiler, or k and n oil filter). so my ford escort would be (105 * 2 + nothing) = 210 horsepower.

Sweet, my mazda 323:

82 HP * 2 + tinted windows + skull shifter + cd player = 224 HP

 04-13-2005, 03:25 AM #6 Inygknok El del Supra     Join Date: May 2004 Location: Puerto Rico Posts: 1,863 oh my god...... no wonder those Hondas down at the pizza parlor go so damn fast. lets see.... the type-r sticker.... nos sticker.... sir sticker..... typeABCDEFGHIJKLMNOPQRSTUVWXYZ sticker..... plus the 10 cans used to paint for the stocker rims...... holy krap, thats a lof extra horsepower!!! so if i cut out a pepsi can and add it to my twin exhaust muffler..... i get 40hp?!?!?!!? we could build our very own 1000hp civic in our backyards by just drinking pepsi cans and buying everything we see at pep boys!!! PS: i had a bad day..... i just had to do it with the one-liners..... __________________ Supra: To surpass or go beyond.
05-03-2005, 11:45 PM   #7
moostang104314
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Quote:
 Originally Posted by carls47807 most of the people i hear from take the actual horsepower of their car (as listed on a manufacturers website) multiply it by 2, then add about 20 horse power for whatever mod they put on (whether it be an air cleaner, spoiler, or k and n oil filter). so my ford escort would be (105 * 2 + nothing) = 210 horsepower.
Does that mean my dad's cadillac has: 300hp * 2 + nothing = 600 horsepower!!! SWEET! hehehe
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05-06-2005, 08:38 AM   #8
SubaruCorsi
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Quote:
 Originally Posted by carls47807 most of the people i hear from take the actual horsepower of their car (as listed on a manufacturers website) multiply it by 2, then add about 20 horse power for whatever mod they put on (whether it be an air cleaner, spoiler, or k and n oil filter). so my ford escort would be (105 * 2 + nothing) = 210 horsepower.

So then my Impreza has 280 hp??
:

05-09-2005, 05:39 AM   #9
windsonian
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Quote:
 Originally Posted by SubaruCorsi So then my Impreza has 280 hp?? :
at least.... did you count the fluffy dice?
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04-12-2005, 01:42 AM   #10
windsonian
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Join Date: Jan 2005
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Quote:
 Originally Posted by vwhobo You mean not all cars are the same? WTF was I thinking.
Ssssh!!! Don't tell him that all cars are the same or the secret will be out