[CR]Re: retrofriction shifter installation

(Example: Framebuilders:Pino Morroni)

Date: Mon, 04 Feb 2002 09:27:42 -0800
From: "Lee Berg" <lberg@ventoux.com>
To: Tom Dalton <tom_s_dalton@yahoo.com>
Cc: classicrendezvous@bikelist.org
References: <20020204171406.48017.qmail@web10906.mail.yahoo.com>
Subject: [CR]Re: retrofriction shifter installation


What is your basis for stating that the concave sides of the washers should face each other? I have installed the washers ("spooned") according to this diagram and they work fine (as a stiff spring).

Lee Berg Palo Alto

Tom Dalton wrote:
> This is the illustration I referred to as erroneous.
> Seeing it again, after all these years, I now remember
> now that it is more vague than incorrect. Looking at
> it you would think the cupped washers nest together
> like spoons in a drawer. They really should be
> arranged so that the concave faces of are facing
> each other. What you end up with is something that is
> linticular in profile, that is, it looks like a lens
> from the side. This squishy little package ends up
> working as a spring to keep tension along the
> shifter's axis.
> Tom Dalton
> --- Lee Berg <lberg@ventoux.com> wrote:
> > Hi, Tom,
> >
> > Which direction do the concave sides of the cup
> > washers face (away or
> > toward the frame)? Is this illustration correct?:
> >
> > http://www.ventoux.com/retrofric.jpg
> >
> > Lee Berg
> > Palo Alto