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About Gazz

  • Birthday 04/10/1952

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    The usual stuff - metalworking, gunsmithing, arts and crafts stuff, history and whatever curious thing that may come my way.

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  1. I have cut many propane bottles with a torch and I'm still here. The older style bottles I would open the valve and leave outside in the sun upside down. Propane is heavier then air and will escape especially when the bottles are warmed by the sun. At night the bottle will cool and suck cool air in and the process is repeated the next day. After a few weeks or a month of this passive aspiration, I warm the bottle with a rosebud torch and after a bit I play the flame at the open valve. If it doesn't light, there is no propane left and I cut into it safely with the torch (or a grinder if that is what you have). The newer bottles have a valve with a three lobed valve handle or knob that require a fitting to be screwed into the valve to let the gas out. I scavanged a fitting with just a stub of the hose remaining off a gas grill from the curb for that purpose. The same process applies but you have to leave the scavanged fitting in until you have cut into it. A grinder spark or flame from a torch will ignite propane so the bottle has to be empty of flammable gas before you cut.
  2. Gazz

    Old tech new tech.

  3. It is like a large single tooth file. I have seen similar tools used to create fullers but nothing like this before. Who needs a belt grinder? https://www.youtube.com/watch?v=zNPc6xBBiLk
  4. My mother gifted me a slaw cutter years ago. It works like a large upside down wood plane - https://www.google.com/search?q=slaw+cutter&sxsrf=ACYBGNSOleNr3jScO6opP_J8sts9XCQ9Mg:1572621788561&source=lnms&tbm=isch&sa=X&ved=0ahUKEwie2srYqMnlAhXiUt8KHS8SCM0Q_AUIEygC&biw=1920&bih=937#imgrc=oFBHrgdVbv2PVM: While not a hand held knife, it is an efficient way to cut the cabbage for either slaw or sauerkraut.
  5. Gazz

    Evil air pocket

    There are some youtube videos on how to convert your MIG welder to a TIG welder. Basically, you modify a MIG tip to accept a short tungsten electrode and do not use the wire feed function. I've never tried it but thought it an interesting hack.
  6. Years ago, I experimented with various non ferrous wires, bronze, copper, silver and brass by bundling them all together in a haphazard way, compressing them in a vise and then flooding with silver solder. I would then roll the lump out, saw cut and stack, solder again etc. but found that frequent annealing was required when I got near to the point of having a desired thickness sheet otherwise the silver solder would breakdown and crack. Made for some interesting looking bits that I used in jewelry. I never tried to forge it hot and tend to think it would not work so well.
  7. 1. Butcher shop - buy some soup bones, make some soup and then use a bandsaw to cut your slabs. There is a treatment procedure for animal bone that involves boiling in acid to remove soluble organics before bone is used for jewelry etc. Somebody lifted my book that described it though. 2. Pet store - You can buy bovine bones there that appear to have gone through the treatment. Again, a bandsaw is required. 3. Atlantic Coral Enterprise - giraffe, camel bone available. Wholesale operation with minimum purchase requirements. More bandsaw.
  8. It's free and you haven't taken it home yet? The motor may be able to be wired internally to 220VAC 3 phase then no problem running it with a VFD and your 220VAC shop voltage. It should be marked with required voltage(s) on the motor spec plate.
  9. Just a comment on old belts. I bought a big pile of the 1x42 belts years ago and put a new one on the grinder just the other day. The seam let go after about 1 minute of running leaving one end with what looked like a piece of tape. I scraped the mating surfaces with a 3 corner scraper and glued it back together with some superglue. It held up long enough for me to finish what I was doing and then some. So not a permanent fix but enabled me to get a little more use out of the belt.
  10. Forging wrought iron? Impressive the way the scale comes off ! I think it is sawdust they are throwing on it - I read that somewhere but forget why they did it. Those guys were all stone deaf by the time they reached 60, if they were lucky enough to get that far. And yes, the radiant heat from a bar that big must have intense.
  11. The second picture seems to show that the chain and the guard are two different metals. If that is the case, you could mill, saw or grind a groove (width the size of the wire of your chain) in the edges where you want the chain look and then source a chain with the style link you want (or make it) and carefully silver solder into place. It could also be done with similar metals if that is the look you want or maybe chain with twisted square wire. I do like the one piece look but lots of tedious carving and filing.
  12. Selling everything and maybe some here would be interested. https://www.bidspotter.com/en-us/auction-catalogues/hartland-auctioneers/catalogue-id-bschart10048
  13. I would be interested in the bronze. I am guessing 8"x8" but have no guess for thickness. I would pm you but haven't figured out how on this site.
  14. I think those "tongs" rather pliers were for gas pipe fitters back when houses were lit by gas lamps. They are quite handy in a hot shop.
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