arftist

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About arftist

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    New England

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  1. Even I have posted pictures here and no one is more computer illiterate than I am.
  2. Forge steel bars to fit across the feet, then lag the bars into the endgrain. It is plenty strong that way.
  3. Pretty poor snagging for a Brooks no?
  4. Brazing is good for all but very high temp parts such as grates in a coal stove. In areas of high heat, nickel is better.
  5. Looks like a cast iron fake. Hope you didn't pay much.
  6. I have completely reverted to old fashioned helmets. All of the electric ones eventually break and if it breaks in the field you are in trouble.
  7. I too believe a BIG perimeter weld would be sufficient, however, I would buy 50# of 110-18 and try to size the vee to use most of the box.
  8. Sky, while there is lots of hot work done in twisters, the ideal is too twist cold, if possible. The reason for cold twisting aside from economy of fuel and time is the consistency of temperature across the bar. My old free from the dump Beaver pipe threader would twist 3/4" square steel bar cold. When I tried to twist s.s. 11/16" the torque was insufficient. In the end I incorporated the uneven twisting into design elements in the rail but there were a few anxious days while I developed even that process. The idea of addition torch heating and cooling while twisting didn't work well at the speed of pipe threading. It happened too fast. Hence my impetus to build a unit to twist 1 1/4" inch cold. (Which can twist much larger hot, my biggest twist so far is 1 3/4" cold finished square.
  9. Very ambitious. I built mine to twist 1 1/4" cold. I used an old pipe threader connected to a very large 10-1 gear reducer. As Thomas said, that kind of torque is dangerous. Thomas; I would posit that 36 K is a minimum.
  10. You might be looking at the seam where it was welded together. If it is cracking it is an easy fix. Grind out all the damage and weld it with an electric welder. No special rod needed, use whatever you are good at.
  11. 1070 is a pretty good steel for digging tools, hard enough to wear for a while, strong enough to handle some rocks. The idea that mild steel is sufficient is incorrect unless you just like making tools.