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Playing with fire
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<blockquote data-quote="mattb1" data-source="post: 766276" data-attributes="member: 16025"><p>when i learned gas welding i was taught to crank the actyl till the soot was almost gone, than crank up the oxy till the little yellow flame in the kernel is sitting just on top of the little blue flame in the kernel. thats neutral flame...</p><p></p><p>carburizing flames (yellow kernel above the blue one) add carbon to your metal. this can be good or bad...</p><p></p><p>oxydizing flames (no yellow kernel at all, sharp blue point at the kernel) are what your looking for when you want to cut. </p><p></p><p>gas welding is fun, it's just alot of prep. learn to do it without a rod first to get puddle control down (circles work better for gas than horse-shoes.) then buy some brasing rod and learn the brasing technique (think TIG)</p></blockquote><p></p>
[QUOTE="mattb1, post: 766276, member: 16025"] when i learned gas welding i was taught to crank the actyl till the soot was almost gone, than crank up the oxy till the little yellow flame in the kernel is sitting just on top of the little blue flame in the kernel. thats neutral flame... carburizing flames (yellow kernel above the blue one) add carbon to your metal. this can be good or bad... oxydizing flames (no yellow kernel at all, sharp blue point at the kernel) are what your looking for when you want to cut. gas welding is fun, it's just alot of prep. learn to do it without a rod first to get puddle control down (circles work better for gas than horse-shoes.) then buy some brasing rod and learn the brasing technique (think TIG) [/QUOTE]
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