RE: ABS -- Re: [ST] The Smiley Bag incident

["David W. Funk" <dwf@xxxxxxxxx>]

Brad is right, I had forgotten about the wheel speed sensor, opps.
So ABS does add a sensor ring and detector. But that is only several 
ounces. The vast majority of ABS weight is mounted on the bike.
I think if ABS were more common some company would combine the wheel 
speed sensor with the speedometer sensor.

David W. Funk
'94 BMW K75S/ABS + '00 Triumph Sprint ST
Pleasanton, CA

On Fri, 8 Nov 2002 16:54:59 -0800, Brad Turner wrote:

>Hmmm if the front end is "...just standard parts." How does the front wheel
>sensor work? Perhaps I'm misinformed but I was under the impression 
that a
>sensor mechanism of some sort is required to detect the motion of the 
front
>wheel. Furthermore I think the sensor has to be located on the unsprung
>portion of the front end. Am I missing something? Why do ABS equipped
>beemers have that funky looking toothed ring on the rotor assembly. Surely
>it is not a zero mass part.
>
>-brad-
>
>-----Original Message-----
>From: David W. Funk [mailto:dwf@xxxxxxxxx]
>Sent: Friday, November 08, 2002 4:04 PM
>To: ST@xxxxxxxxxxxxxx
>Subject: Re: ABS -- Re: [ST] The Smiley Bag incident
>
>
>ABS does not added unsprung weight. On all the ABS systems I have 
seen, 
>the actual brakes are standard. There is a control box connected in line
>with 
>the brake lines that modulates the pressure. But the caliper & rotors are
>just 
>standard parts.
>




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