Those pressures should be fine but like was mentioned, there should be a chart on the Victor site or with the rosebud. Pressures aren't as critical with a rosebud using propane. Propane does have a max. withdraw rate but it is high enough that you won't have any problems like you would with acetylene. Acetylene also has a max. pressure of 15 PSI. One of the reasons for using higher pressures on a rosebud is the flow of the gasses helps to cool the tip preventing backfires which is why you don't throttle back the valves too much if you only need a little heat. Rosebuds should be at least 75% open.
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Today's Featured Article - What Oil Should I Use? - by Francis Robinson. I keep seein this question pop up over and over again in discussion groups all over the web. As with many things there are often several right answers and a few wrong ones. Some purist I'm sure will disagree to no end with what I will tell you but most of us out here in the real world don't really care do we ? Some of them only bring their noses down out of the air long enough to look down them anyway. If you are like me you are only doing this old tractor stuff because you enjoy it. You
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