Charles ,
I guess that you have very limited experience on high performance ridgid
mounted caliper brake systems. The calipers are almost always shimed for
center on the rotor .
It is like anything else . Sometimes we truly learn how to get the most
from the systems . Most go through life ignorant of the possibilities .
On some of the exotic cars you better not mix up the calipers because
they are machined for each spindle assy. for center on the rotor .
A off center caliper will not effect braking from a standpoint of
friction but will effect the travel of the master cyl. in regards to pad
engagment . It just makes a nicer system to opperate & instills
confidence when the brakes are right there . Some people may not want
this type of controll because they are use to slop in their brakes .
With the Vmax I've seen a lot of differences in manufacturing
tolerences . Look at the comments on the Superbrace . Some drop on &
others have to grind to fit . The braces are the same . I've measured a
few here locally . Mario & Thomas both changed their calipers
& lines at the same time . Assuming that the systems are air free & good
masters then the only thing left is that the calipers are off set
causing a long lever pull . Now Sam only changed his lines so he is just
having trouble with some air or a bad master has showed up .
With Thomas I know that he is asking for everything his Max can give
him . The guy is pushing 190+ hp on the juice . Most people only ride
with in 75% of this bikes potential & that is ok. I was just sharing
with him & Mario where a problem could be or a way to fine tune their
brakes .
On a final note I rode a max with the R1 calipers & found no
difference in braking compared to my late model fine tuned brakes :) .
Your Friend
Eric H.
.
----- Original Message -----
From: "wforest@arrakis" <[EMAIL PROTECTED]>
To: "V-MAX TECH LIST" <[EMAIL PROTECTED]>
Sent: Tuesday, October 24, 2000 4:03 PM
Subject: Re: Brakes
> I'm with TC on this one.
> There are four pistons (two sets of opossed pistons) on our original
> calipers,
> just the same as the R 1 ones and are
> working on a fixed housing. The rotor or disc is also fixed. As you
pump
> fluid into the four pistons, the first one to move will be the one
with the
> least
> resistance then one after the other they will search for the rotor
surface
> and
> then the braking will take place ( that is only during the first
pumping
> while
> you are bleeding the circuit). This means that the pistons as long as
the
> rotor
> is not totally out of center, which is not the case for the standard
or the
> R1
> calipers on our Max, the pistons will center themselfs out against the
rotor
> (self centering device). If the disc or rotor is slightly off centered
the
> pistons
> will make up for that and even if the left set of pistons are out more
than
> the
> right, this makes no difference on the braking performance.
> A different thing would be if for some reason the alignment between
the
> piston
> travel and the discs were not at 90� or square. Once the are in
contact with
> the disc they will stay there, but exerting no force whatsoever till
you use
> the
> brake.
> When you don't have equal oposing pistons then you need the housing
> (caliper) to float and find its proper position related to the disc or
> rotor.
>
> Regards,
> Charles ( [EMAIL PROTECTED] )
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