Re: [CR]Junk inside top tube..Was: Shavings, etc.

(Example: Framebuilders:Rene Herse)

From: "Aldo Ross" <swampmtn@siscom.net>
To: <classicrendezvous@bikelist.org>
References: <001001c07a64$29b01de0$454da83f@oemcomputer>
Subject: Re: [CR]Junk inside top tube..Was: Shavings, etc.
Date: Tue, 9 Jan 2001 14:07:20 -0500


The people at Sterling-Clark-Lurton (Malden, MA) may be able to help you find a seller of raw linseed oil. See:

http://www.sclsterling.com/marketing_set.htm

and

http://www.sclsterling.com/content/cn_productline_linoil.htm

Aldo Ross


----- Original Message -----
From: Stephen Sitz
To: OROBOYZ@aol.com
Sent: Tuesday, January 09, 2001 12:46 PM
Subject: Re: [CR]Junk inside top tube..Was: Shavings, etc.



> "pour inside the top tube maybe 10 table spoons of Linseed oil "
>
> Dale et al,
>
> Does it matter whether you use raw or boiled linseed oil? I have two
> wood/brass levels that I protect with linseed oil but I have yet to find the
> raw stuff that was recommended.
>
> -----Original Message-----
> From: OROBOYZ@aol.com <OROBOYZ@aol.com>
> To: peterg@ixpres.com <peterg@ixpres.com>; classicrendezvous@bikelist.org
> <classicrendezvous@bikelist.org>
> Date: Tuesday, January 09, 2001 12:31 PM
> Subject: [CR]Junk inside top tube..Was: Shavings, etc.
>
>
> >This happens a lot Peter!
> >
> >It is most often bits of brazing material that end up marooned in there
> after
> >brazing up...
> >
> >It IS surprising that there is not a vent hole anywhere.. not inside head
> >tube? Have you removed the headset to check there?
> >
> >When brazing, most especially with brass, the heat inside builds up so much
> >that a vent hole allows steam/gas to escape there at the vent rather than
> in
> >the joint you are brazing ("pin hole.")
> >
> >Anyway, if there is absolutely no access to the interior of the top tube, I
> >think the head tube is the best place for hole placement.. That is because
> it
> >is a thick tube relatively speaking and can suffer more abuse (!)
> >
> >If you can use a long sharp center punch, you may be able to drill a small
> >hole at the angle required. You may need a bit extender...
> >
> >Then, if and when you get penetration (no guffaws from the peanut gallery,
> >please) pour inside the top tube maybe 10 table spoons of Linseed oil from
> >your friendly local art supply shop. (LASS) Then turn and twist the frame
> >around to distribute the oil uniformly around inside the tube, drain it out
> >again and let it sit for a week or two undisturbed.
> >
> >What will happen is that the Linseed oil will "set up" trapping the
> particles
> >and coating the inside of the tube against future rust and corrosion.
> >
> >Dale Brown