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-   -   how to convert 1/8 time to 1/4 time (http://www.focusfanatics.com/forum/showthread.php?t=2298)

sasquatch 10-24-2003 11:13 PM

how to convert 1/8 time to 1/4 time
 
How do you convert your 1/8 mile time and speed to 1/4 mile time and speed?

hotfocus 10-24-2003 11:16 PM

Multiply 1/8 * 2

vanace 10-25-2003 12:02 AM

you can't acuratly. Your going to have to spring for a 1/4 mile run. There are to many variables. You might have a car that does 13 sec. at 100 mph and a car that does a 13.5 sec. at 110. It is very car dependent and driver dependent

Solaris 10-29-2003 09:49 PM

or u can do like a 15.8 at 90 and someone can do a 16 at 92

CowsGoMoo 10-29-2003 09:58 PM

multiplying your 1/8 by 2 would only work if you stayed at a constant speed, which is the total opposite of what you want to do, you want to accelerate =0.

DeltaT 11-01-2003 08:36 PM

There are 1/8mile to 1/4mile tables out there on the net, you just gotta search for them.

vanace 11-09-2003 12:04 AM

There are 1/8mile to 1/4mile tables out there on the net, you just gotta search for them.

and they aren't accruate.. read above statements

TORQUERULES 11-10-2003 11:32 AM

It is pretty darn accurate if you do this:

Multiply by 1.53 to go from 1/8 to 1/4, and divide by 1.53 to go from 1/4 to 1/8

[thumb]

Egz 11-10-2003 02:29 PM

Quote:

Originally posted by zx3matt
It is pretty darn accurate if you do this:

Multiply by 1.53 to go from 1/8 to 1/4, and divide by 1.53 to go from 1/4 to 1/8

[thumb]

For me, that usually gives a number .2-.3 quicker than what I ran. 1.55 fits my car better.

TORQUERULES 11-10-2003 03:26 PM

Quote:

Originally posted by Egz
For me, that usually gives a number .2-.3 quicker than what I ran. 1.55 fits my car better.
Yea, sometimes you can juggle that figure around a littl, but from my experience, 1.53 works in most cases. I guess ifyou can run your car at a 1/4 mile track a couple of times so you can record both 1/8 and 1/4 times you can see what variable works best for you.[thumb]


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