I haven't tried looking in an actual welding supply store, but I
have been looking in larger hardware stores. I'm curious about
the usefulness of various lower end welding torches. I've had about
six hours experience using an oxy-acetylene torch, but I've
never owned one. My usage would be occasional art projects, nothing
regular. I am hesitant about renting cylinders since if they sit
there for a month without being used, I'll feel like I'm wasting
money.

At the really low end, of course, are the propane ones. Even the
oxygen-propane models I suspect are fairly limited and not going
be able to do much. I've heard they are okay for cutting, and
cheaper than oxy-acetylene for that, though.

In the $250 to $300 range there are several small oxy-acetylene
setups, like this one:

http://store.weldingdepot.com/cgi/we...2GKA50-TC.html

The cylinders are small, but I expect sporatic use. It comes with
just one size each of brazing and cutting tip, but that site sells
a bunch of others with compatible connectors. Is this a good small
set up, or does it have drawbacks I'm not seeing?

The scale of the work I would be doing is probably bigger than a
mouse and smaller than a sheep dog. E.g tire iron candelabra.

Elijah
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needs better wiring before an arc welder is an option