[modeleng] Re: Replacable Tips now silver solder
- From: "Dennis Jewitt" <dennis.jewitt@xxxxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Wed, 19 Oct 2005 08:57:00 +0100
Hello Ron,
Can you tell us who the supplier was ? I am not anxious to
be caught this way.
Best
Regards
Dennis
----- Original Message -----
From: "Ron Head" <ron.head@xxxxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Tuesday, October 18, 2005 11:50 PM
Subject: [modeleng] Re: Replacable Tips now silver solder
> Hi Clif
>
> I heard another horror story yesterday. If you follow Doug Hewson's
> articles in EIM, you will read that he has had to scrap a boiler due to
> cracking of the silver solder. I met Doug at the Midlands exhibition
> yesterday and he told me that the solder was sold to him as Easyflo, but
it
> was actually an equivalent supplied by a well known advertiser who also
> attends most of the shows. The suspicion is that the silver content is
> reclaimed and contains impurities that affect the properties, i.e. causing
> embrittlement. Doug says he knows several other people who have had
similar
> trouble.
>
> I asked Doug if he quenches his boilers and he says yes (gently with a
fine
> spray from a hose), but hasn't had this problem of cracking before. The
> solder takes on a distinct greyish colour when pickled, instead of the
> expected bright colour.
>
> There would seem to be two lessons here:
> 1) Don't quench boilers.
> 2) Only buy the best i.e. Johnson Matthey for use on boilers.
>
> The show, by the way, was brilliant - much better than Donington IMHO.
>
> Regards
> Ron
>
>
> ----- Original Message -----
> From: "Clif Walker" <clif.gwr@xxxxxxxxxxxxxx>
> To: <modeleng@xxxxxxxxxxxxx>
> Sent: Tuesday, October 18, 2005 9:41 AM
> Subject: [modeleng] Replacable Tips
>
>
> > ......Now the box of tips that I was using were purchased at the
Harrogate
> > show from a tool stand that were selling 12 tool tips in Sandvik boxes,
> > cheap.
> > After the second broken tip, I put onto the tool a tip that I know is a
> > real Sandvik and everything was perfect.
> >
> > So now the moral of this story is beware of Show Bargains as the actual
> > tips in the box judging from the first ones perfomance are definitely
not
> > Sandvik.
> >
> >
> > Regards
> >
> > Clif
>
>
>
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