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Tips, Techniques, and Questions -- Technical questions or tips

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  #1  
Old 2014-05-04, 7:35pm
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Default Cold vs hot reduction flame

I just read that there is a cold reduction flame and a hot reduction flame...can someone please explain what each is?

Also, when someone says to work with less heat does that mean decrease the propane? Is it the same as a reduction flame?
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  #2  
Old 2014-05-04, 7:40pm
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To get less heat, I turn down propane and oxygen both, or move to the far reaches of the flame.
I don't know what cold reduction/hot reduction means other than turning the flame down.
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  #3  
Old 2014-05-04, 8:07pm
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So when someone says "you are working it too hot" there is too much propane and oxygen?
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  #4  
Old 2014-05-04, 8:18pm
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Not necessarily, you may just be working to close to the candles, usually if someone says "you are working to hot" you need to work out farther in the flame, not necessarily turn down the O2 and propane.
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  #5  
Old 2014-05-04, 8:28pm
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Thanks! That clears a lot for me
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Old 2014-05-04, 8:46pm
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What David said. If you're working too close, move out. If you are in the proper area of the flame & still too hot, turn down the flame a bit.
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Old 2014-05-05, 2:05am
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A cool reduction flame means turn down your oxygen. A hot reduction flame means turn up your propane. I find that some of the reducing glasses prefer a cool reduction flame to get the best oil slick colours - Psyche is one that I can think of. On the other hand if you want a lovely opaque pearly color reduction, you can use a hot reduction flame, Gail looks lovely like that.
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Old 2014-05-05, 2:10am
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A cool reduction flame means turn down your oxygen. A hot reduction flame means turn up your propane. I find that some of the reducing glasses prefer a cool reduction flame to get the best oil slick colours - Psyche is one that I can think of. On the other hand if you want a lovely opaque pearly color reduction, you can use a hot reduction flame, Gail looks lovely like that.
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Old 2014-05-05, 5:05am
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David always explains so well and I love the visual too
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Old 2014-05-05, 5:40am
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Mrs D, I'm guessing your auto correct made that Gail, and it might be Gaia looks lovely like that, but it sure gave me a chuckle!
I'm so impressed that you've tried it and REMEMBERED which to do with which glass! I'm horrible about liking something but not knowing what I did to get it that way.
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Old 2014-05-05, 6:16am
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Is there a list somewhere of which flame type each glass likes?
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Old 2014-05-05, 1:58pm
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Double Helix has them on their website for theirs, and some of the other silver glass places have theirs too. I don't know of any one site with them all listed, maybe someone else has one.

For instance, Sky blue does not like reducing flames if you want it to stay blue, it will get red in it with too much propane (but you might like that, so can use to your advantage).
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Old 2014-05-05, 3:10pm
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Quote:
Originally Posted by Eileen View Post
Mrs D, I'm guessing your auto correct made that Gail, and it might be Gaia looks lovely like that, but it sure gave me a chuckle!
I'm so impressed that you've tried it and REMEMBERED which to do with which glass! I'm horrible about liking something but not knowing what I did to get it that way.
yes Gaia, bloody auto correct .
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Old 2014-05-07, 9:04am
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Check this out. When are we getting together? I sent my cell #
http://www.lampworketc.com/forums/sh...23&postcount=4
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