[TheForge] Re: Copper bowls

[Jim Pigott]

I have the weed burner but I am unfamiliar with Dutch raising process.
Google was unproductive but humorous.
Thanks for your assistance
Jim

-----Original Message-----
From: theforge-bounces at mailman.qth.net
[mailto:theforge-bounces at mailman.qth.net] On Behalf Of Grant Marcoux
Sent: Sunday, February 12, 2006 2:27 PM
To: mspencer at tallships.ca; Sponsored by ABANA
Subject: RE: [TheForge] Re: Copper bowls

You can anneal with a propane weed burner.  Instead of angle raising on a
stake, why not try dutch raising, using a flat surface like the face of the
anvil. I do much more Dutch raising than angle raising, typically.  Grant

-----Original Message-----
From: theforge-bounces at mailman.qth.net
[mailto:theforge-bounces at mailman.qth.net]On Behalf Of Mike Spencer
Sent: Saturday, February 11, 2006 9:04 PM
To: theforge at mailman.qth.net
Subject: [TheForge] Re: Copper bowls



> I have been asked to make 2 copper bowls, half bowls actually, for a
> wall mounted fountain. One bowl has a 36 inch diameter with an 18
> inch center depth; the other is 24 inch diameter with a 10 inch
> center depth.

You could raise them over stakes.  I say this glibly when the largest
one I've done is ca. 9" dia. and 5" deep in ca. 16  ga. but I can
imagine doing larger.  I think the traditional French chaudronnier made
kettles that were about 36" by raising.

For me, that greatest nuisance was the repetitive annealing.  If you
have a good gas burner and cobble up a temporary furnace from
refractory brick big enough for the workpiece, it would be easier.

- Mike

--
Michael Spencer                  Nova Scotia, Canada       .~.
                                                           /V\
mspencer at tallships.ca                                     /( )\
http://home.tallships.ca/mspencer/                        ^^-^^
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