[200q20v] Re: [V8] just out of curiosity (UFO question)...

Brett Dikeman brett at pdikeman.ne.mediaone.net
Fri Feb 2 09:17:39 EST 2001

At 10:19 AM -0500 2/1/01, Phil Rose wrote:

>So--the conclusion is that this "thing"** is a "vibration damper", 
>i.e., a counterweight used/needed to alter the resonant frequency of 
>the caliper. Well, then that seems to tell us that Audi knew there 
>was a special "problem" with the UFO design pretty much right out of 
>the box, so-to-speak.

Uh...this little widget thing accompanies many calipers I've seen, 
Audi and otherwise.

Also, it wouldn't compensate for pedal pulsing.  Pedal pulsing is a 
"big" thing; look at the size of that little widget and tell me 
that's supposed to counteract that.  Nope.  It's also way too low a 
frequency; the length of the shaft is short, stiffness of the rod is 
quite high, and the mass at the end is very small. Ding the widget 
with a hammer some time.  I guarantee you'll get a "boing", and not a 
wooob....wooob....wooob noise akin to pedal pulsation.  It probably 
counteracts the high frequency ring/squeal you sometimes get when 
coming to a stop(very soft, because maybe the widget is doing its 

Take it off some time and find out, who knows.  I didn't see any 
warnings in the Bently about "do not remove wenig widgetsache* 
sticking out of caliper!"(of course, you run the risk of disabling 
your left brake light and your glovebox while it's off.)

Wow, this is amazing.  I can actually post to the v8q list 
withou....oh wait, it's not the v8q list...

*"little widget thing", translated to german, according to babelfish
Brett Dikeman				Systems Engineer
ProAct Technologies Corporation		914-872-8043
(formerly CFN[formerly iClick, Inc])		914-872-8100(fax)
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