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Re: Speed Application



Not true.  I ran my car to 6100 rpm in fifth gear.  With the gearing that
the GTI and GLX have, 6100 rpm in fifth equates to 144mph, according to Todd
@ AWE.  BTW, the speedo was showing nearly 150 mph at that speed.

Later,
Greg
-----Original Message-----
From: Khan Klatt <kmk@pacificrim.net>
To: jettaglx@igtc.com <jettaglx@igtc.com>
Date: Thursday, October 15, 1998 6:38 PM
Subject: Re: Speed Application


>At 4:43 PM -0400 10/15/98, VWDrvrsWtd@aol.com wrote:
>>In a message dated 10/15/98 2:26:40 PM Central Daylight Time,
>>piecuch@hsd.utc.com writes:
>>
>>> So, let me get this straight....
>>>  Let's sample Top speed.
>>>  205/50 R15 at 6500RPM in 5th gear on a Jetta GLX
>>>
>>>  TD = 23.08"  (Stays the same)
>>>  MPH = (6500 * 23.08)/(0.84 * 1000)
>>>  MPH = 178.6   WOW!!!!
>>
>>What, yours doesn't go that fast?  :)
>
>I'm sure mine would go that fast, if it were on a dyno. Add the wind
>resistance (our cars are no formula-1 racers) and other factors (perhaps
>road friction, etc.) and your road efficiency will be reduced.
>
>You could add a "efficiency" factor to this calculation, on a sliding
scale.
>
>At first gear, multiply your speed ratings by 0.95, to get "real world"
>numbers.
>In second gear, multiply your speed calculation by 0.9 to get real world.
>In third gear, multiply by .85 to get real world speed.
>In fourth, multiply by .80,
>and in fifth, by .75 to get real world speed.
>
>That would produce roughly 135 mph, at 6500 rpm in fifth gear, adjusted for
>"real world efficiency" by my rough "adjustment" factor.
>
>-Khan
>---------------------------------------------------------------------------
-
>
>Khan Klatt <kklatt@nw.verio.net>
Verio
>Network Engineer                                    Bellingham Branch
Office
>Tel 800.591.2757 x 13                                    725 N. State
Street
>Fax 360.738.8315                                        Bellingham, WA
98225
>
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