🚀 go-pugleaf

On Fri, 10 Jul 1998 11:11:31 -0400, Mike Sweeney <msweeney@nospam.lr.net> wrote:
>
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>Marc wrote:
>
>> joelga@pebble.org (Joel Garry) wrote:
>> >On Mon, 06 Jul 1998 00:12:25 GMT, E. Faubion <in@the.sig> wrote:
>> >>"Mark B." <spam_*this*_@see.my.sig> wrote:
>>
>> >>>Earl, face the facts -- your one-size-fits-all c.o.f. model is
>> >>>*PURE BULLSHIT*.
>>
>> >>You really don't understand the problem do you?  The c.o.f. is a
>> >>variable determined from testing based on the vehicle and surface in
>>
>> >You don't really know what variables and coefficients are, do you?
>>
>> I think that he may actually know what he is doing, but that he isn't
>> able to convey the ideas in his head.
>>
>> The simple fact of the matter is that a coefficient is a constant in
>> an equation (not a variable), but that it can change (it is variable).
>>
>> His statement is incorrect, since CoF is most definately *not* a
>> variable in any equation he uses.
>>
>> He's afraid to start speaking with the correct terminology because,
>> like most crusty old people, he doesn't know the proper way to say
>> what he is thinking, even if he actually did know.
>>
>> He's too much of a coward to somply state what he believes, and likes
>> to condescend to others, even if that makes his statements incorrect.
>>
>> Marc
>> For email, remove second "y" from Gumbyy@ticnet.com
>
>At least he isn't so immature that he addresses whining comments about
>specific people to other people.

Except about me to Scott.

>
>Coefficient of friction is the ratio of the force necessary to slide an
>object at uniform speed on a particular surface to the pressure of the
>object against that surface.  --Traffic Accident Investigators Manual for
>Police, Northwestern University Traffic Institute.
>
>Drag Factor -- the amount of drag that a surface puts on a tire(tires) on
>a wheel compared to the weight on that wheel.
>
>The drag factor with sliding wheels is the average CoF during the slide,
>because (definition:above.)
>
>Drag factor may also be used to represent the drag on the road by wheels
>which are rotating but with the brakes applied to little to lock them.
>
>ABS lets the brakes lock, then immediately releases them for a fraction of
>a second, then begins to lock them again.  For this reason, most ABS
>vehicles, under pedal-to-the-floor braking can be heard to squeal almost
>as loud as regular vehicles, and will often leave light skidmarks.  Since
>this is possible, the difference between that and a vehicle without ABS is
>less than you might think.

I've had 4 vehicles with ABS, and the variance between systems is ENORMOUS.
(Including total ABS failure which DID affect standard brake operation in the
Lincoln - fortunately I was being extra careful on the way to the dealer
to have it checked out, and managed to avoid the accident it almost caused.)

>
>Also you would have to understand that large variances in skid resistance
>(drag factor) are equal to much smaller variances in speed.
>
>Beginning to understand why this is usually doled out in a series of
>classes?  (all of which EF has probably taken)
>
>I am.  All the information above is in all the books I could locate on the
>subject with minor wording differences.
>
>M
>
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>Marc wrote:
><BLOCKQUOTE TYPE=CITE>joelga@pebble.org (Joel Garry) wrote:
><BR>>On Mon, 06 Jul 1998 00:12:25 GMT, E. Faubion &lt;in@the.sig> wrote:
><BR>>>"Mark B." &lt;spam_*this*_@see.my.sig> wrote:
>
><P>>>>Earl, face the facts -- your one-size-fits-all c.o.f. model is
><BR>>>>*PURE BULLSHIT*.
>
><P>>>You really don't understand the problem do you?&nbsp; The c.o.f. is
>a
><BR>>>variable determined from testing based on the vehicle and surface
>in
>
><P>>You don't really know what variables and coefficients are, do you?
>
><P>I think that he may actually know what he is doing, but that he isn't
><BR>able to convey the ideas in his head.
>
><P>The simple fact of the matter is that a coefficient is a constant in
><BR>an equation (not a variable), but that it can change (it is variable).
>
><P>His statement is incorrect, since CoF is most definately *not* a
><BR>variable in any equation he uses.
>
><P>He's afraid to start speaking with the correct terminology because,
><BR>like most crusty old people, he doesn't know the proper way to say
><BR>what he is thinking, even if he actually did know.
>
><P>He's too much of a coward to somply state what he believes, and likes
><BR>to condescend to others, even if that makes his statements incorrect.
>
><P>Marc
><BR>For email, remove second "y" from Gumbyy@ticnet.com</BLOCKQUOTE>
>At least he isn't so immature that he addresses whining comments about
>specific people to <I>other people.</I><I></I>
>
><P><I>Coefficient of friction is the ratio of the force necessary to slide
>an object at uniform speed on a particular surface to the pressure of the
>object against that surface.&nbsp; --Traffic Accident Investigators Manual
>for Police, Northwestern University Traffic Institute.</I><I></I>
>
><P><I>Drag Factor -- the amount of drag that a surface puts on a tire(tires)
>on a wheel compared to the weight on that wheel.</I><I></I>
>
><P><I>The drag factor with sliding wheels is the average CoF during the
>slide, because (definition:above.)</I><I></I>
>
><P><I>Drag factor may also be used to represent the drag on the road by
>wheels which are rotating but with the brakes applied to little to lock
>them.</I><I></I>
>
><P>ABS lets the brakes lock, then immediately releases them for a fraction
>of a second, then begins to lock them again.&nbsp; For this reason, most
>ABS vehicles, under pedal-to-the-floor braking can be heard to squeal almost
>as loud as regular vehicles, and will often leave light skidmarks.&nbsp;
>Since this is possible, the difference between that and a vehicle without
>ABS is less than you might think.
>
><P>Also you would have to understand that large variances in skid resistance
>(drag factor) are equal to much smaller variances in speed.
>
><P>Beginning to understand why this is usually doled out in a series of
>classes?&nbsp; (all of which EF has probably taken)
>
><P>I am.&nbsp; All the information above is in all the books I could locate
>on the subject with minor wording differences.
>
><P>M
><BR>&nbsp;</HTML>
>
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-- 
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