[modeleng] Re: Work in progress
- From: "Dave Beaman" <davebeaman@xxxxxxxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Thu, 18 Oct 2007 23:17:54 +0100
Be careful Harry, the heat from welding can change the characteristics of a
silver soldered joint, remember, you are using a higher instant heat. I
remember from somewhere in the dim and distant past that you should not
expose silver solder to over heating, especially if it has already been
soldered... Does that make sense? I will delve through my bits and pieces to
see if I can find the info, might take a while, got to move the Santa trains
operation on the SVR to Bewdley from Arley starting this weekend.
Dave.
----- Original Message -----
From: "Harry W. Wade" <hww@xxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Thursday, October 18, 2007 4:53 PM
Subject: [modeleng] Work in progress
It's been kind of quiet here lately and I've not done much of anything worth
breaking the silence over, but some time ago I began the fabrication of the
smokebox saddle for my 2X TICH which I am building up with cut and milled
pieces of 1/4" steel plate. I initially envisioned welding this assembly
together but I am an aBYSmal welder so I caved in and decided to silver
solder. This went well enough but I have a final piece of plate to add
which could not be added until some machine work and hand shaping was done
on the basic assembly, after which more machining and hand shaping would be
done. This has raised a question. If I want to add the final piece by
welding (and I'm not certain I will weld it), will the weld "take" as it
passes through the soldered areas or will it not adhere? My guess is it
will probably burn through as if it was a patch of oxide.
Cheers,
Harry wade
Nashville USA
Regards,
Harry Wade
Nashville Tennessee
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