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Drums vs. Disc: was Re: rear camber problems??
WOW!! Info overload!!!! error....error......hehe.....
OK,the reason why I asked is;I race my car at a speedway,where lighter
rotational masses are preferred.Any other ideas? Ken R.
----- Original Message -----
From: "Dan Bubb" <jdbubb@ix.netcom.com>
To: "Kenneth & Georgianna Robinson" <krobins2@twcny.rr.com>
Cc: "L F" <rocco16v@netzero.net>; <pbureau@attbi.com>; "Shawn c Meze"
<skerocdriver@juno.com>; <scirocco-l@scirocco.org>
Sent: Wednesday, October 09, 2002 10:21 AM
Subject: Drums vs. Disc: was Re: rear camber problems??
> Well, rear drums may be lighter than rear discs, but since a large
> amount of the drum's weight is on the outer perimeter it's rotational
> inertia may be larger. Rotational inertia is a function of weight X
> radius^2, so all the weight of the drum at the perimeter bumps up its
> rotational inertia despite a potentially lower overall weight.
> In any case, whether considering just weight or rotational inertia, the
> difference between drum or disc is probably less than .1% of the total
> car and probably insignificant.
> Dan
>
> Kenneth & Georgianna Robinson wrote:
> >
> > How MUCH less rotating weight is a drum vs. a disc??? This is importa=
nt
to
> > me.......somewhat.I may convert to drums if it's significant.Ken R.
> > ----- Original Message -----
> > From: "L F" <rocco16v@netzero.net>
> > To: <pbureau@attbi.com>; "Shawn c Meze" <skerocdriver@juno.com>
> > Cc: <scirocco-l@scirocco.org>
> > Sent: Tuesday, October 08, 2002 7:02 PM
> > Subject: Re: rear camber problems??
> >
> > > drums are lighter than discs and have more than enough power/endura=
nce
on
> > > our lighter vehicles.
> > > Drums are not as cool, however.
> > >
> > > Larry
> > >
> > >
> > > ----- Original Message -----
> > > From: <pbureau@attbi.com>
> > > To: "Shawn c Meze" <skerocdriver@juno.com>
> > > Cc: <scirocco-l@scirocco.org>
> > > Sent: Tuesday, October 08, 2002 1:10 AM
> > > Subject: Re: rear camber problems??
> > >
> > >
> > > > better yet, get a 16v conversion and change them drums
> > > > for disc brakes while you shimming it out :)
> > > > --
> > > > =3D=3D=3D=3D
> > > > ATS - Patrick Bureau
> > > > 1985 8v Euro GTX 3A/JH Project
> > > > (show car)
> > > > 1985 8v Euro GT Project (Daily Drive)
> > > > http://www.longcoeur.com/scirocco/
> > > > http://www.texassciroccoteam.org/
> > > > >
> > > > >
> > > > > On Fri, 4 Oct 2002 13:46:00 -0500 "ATS - Patrick Bureau"
> > > > > <pbureau@attbi.com> writes:
> > > > > > Yes you can buy shims to set the camber right, a real pain in
the
> > > arse,
> > > > > you
> > > > > > have to take the stub axle off, insert shim reasse,ble entire
brakes
> > > > > system
> > > > > > back on the axle, and re-align...alignment shop usually charg=
e
> > > anywhere
> > > > > from
> > > > > > 200-400$ because of the pita it is.
> > > > >
> > > > >
> > > > >
> > > > > no-no-no. Its actually fairly easy. remove the drum, remove 4
bolts
> > and
> > > > > you can pop the backing plate and spindle out enough to shim it.
The 4
> > > > > bolts arent exactly right there as you have to fight to get the=
m
out
> > but
> > > > > they do come out without total dissassembly. Assembly in revers=
e
of
> > > > > removal. Dont forget to brake clean everything before the drums=
go
> > back
> > > > > on.
> > > > >
> > > > >
> > > > > Shawn M=E9ze
> > > > > 86' Jetta GLi 8V 88' Corvette -SS- #30 2001 SDR Solo2 Champi=
on
> > > > > Scirocco" 84' Scirocco 8V 82' Scirocco RIP 80' Scirocco S 79'
"Project
> > > > > FSP
> > > > > The Fastest, Quickest, Cleanest and best looking Scirocco(s) in
all of
> > > > > San Diego!
> > > > > http://www.Geocities.com/MotorCity/Speedway/1308/index.htm
> > > > >
> > > > >
> > > > >
> > > > > _______________________________________________________________=
_
> > > > >
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