[modeleng] Re: Boilers
- From: "Terry Lane" <tel@xxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Sun, 8 Jan 2006 04:44:57 +1100
No Harry - the cutting tip is by far the best way to go - the trick is to
use the outer envelope of the flame rather than the inner cone - MUCH harder
to burn the copper that way
> At 11:04 PM 1/7/06 +0800, you wrote:
> >Use the oxy/acet cutting torch for your local heating for silver
braising,
> >rather than a welding tip. - Phill
>
> Phill,
> We all generally (or should) recognize that when using any oxy/acetyl
> torch device around copper boilers that careful handling is needed to
avoid
> localized overheating, or overheating in general. Does your suggestion
not
> jump from the frying pan into the fire? I am not an expert on the heating
> characteristics of oxy/acetyl equipment but does not a cutting head
> concentrate heat more so than any other tip? Except for small boilers,
Ga1
> and such, my preferred tip for oxy/acetyl use is a 1" diam "rosebud" which
> produces a relatively broad flame and lessens the possibilty of
overheating
> and (gasp, choke) a meltdown or burn-through.
>
> Regards,
> Harry
>
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