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Orca/EZ torch with atmospheric oxygen

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Author Topic: Orca/EZ torch with atmospheric oxygen  (Read 3274 times)
« Reply #15 on: September 13, 2013, 12:27:19 pm »

I'm still a bit of a newb and have only worked with copper (but yes, I'm making the jump to silver soon!), but I'm an Orca user and I've found it a bit difficult to get a nice gentle, purring reducing flame with the torch. The air intake adjuster is WAY too touchy; it always seems like the air is either full-blast or nothing. I've used both boric acid + alcohol and a more standard fluoride-containing flux called "Wolverine Joining Tech" that Gerard (Teton Art Gallery) was kind enough to send me. I don't think the boric+alcohol flux is really meant for solder flow, but I've found it to work best between the two at stopping scale. I'm a bit surprised it didn't work for you.

I'd also recommend trying the next tip size up, since it should be easier to get a reducing flame whilst keeping your heat up. I recall reading in the specs that the smallest tip that comes with the Orca has a max temp lower than that of the other two (which makes sense). Not sure if there's anything in there you didn't already know, but there it is!
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