I've sure got to agree with Glennster. I have used propane/oxygen for 40+ years and have cut a lot of steel. A 20 lb barbeque grill bottle will be adequate for a big size Oxygen bottle (about 4 ft tall). The normal acetylene regulator will fit the LP tank (even the new style valve), no change of hardware necessary. The cutting tip of your torch head needs to be changed to an LP tip (about $15). For truck and heavy farm equipment steel, I set the LP pressure regulator at 8 to 10 psi, and the oxygen regulator to about 25 psi. It takes just a little more time to preheat the start of the cut, but once you begin the cut, it goes just as fast as using acetylene. The LP gas is far cheaper to use, no expensive tank purchase, and easy to find refills at many gas stations or RV places.
When you first light the torch, do not use too much oxygen in the preheat flame. You do not want a roaring sound, but just a bit more O2 than having any yellow color to the flame.
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Today's Featured Article - Old Time Threshing - by Anthony West. A lovely harvest evening late September 1947, I was a school boy, like all school boys I loved harvest time. The golden corn ripens well and early, the stoking, stacking,.... the drawing in with the tractors and trailers and a few buck rakes thrown in, and possibly a heavy horse. It would be a great day for the collies and the terrier dogs, rats and mice would be at the bottom of the stacks so the dogs, would have a busy time hunting and killing, all the corn was gathered and ricked in what we c
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