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  1. Thanks, Doug - sorry, I lost track of who was up...

    Thanks, Doug - sorry, I lost track of who was up to date and who hadn't read the old thread, lol.

    When that Delong Truss doc was suggested, I went and searched for it on the eng-tips site but...
  2. Copying a taper - how close is close enough?

    Hey all, rookie question about copying a taper. I have this crankshaft from a small motor, and the owner has found an identical one except on the new part, instead of a taper, it's a straight shaft....
  3. Round would be simpler to fab, and there is a...

    Round would be simpler to fab, and there is a spec for this size joist using round, but it was waaay bigger than I can get here (may have been 7/8" or 15/16"), so angle is my only option for a joist...
  4. Yes, a flat "anvil" makes a lot more sense. Good...

    Yes, a flat "anvil" makes a lot more sense. Good thinking.
  5. OT: (WW) Simplest jig to flatten angle iron end for truss webbing

    The question may be more suited to Welding Web, but since it's still down, and this is actually a tool/jig making question, please forgive me.

    I'm getting ready to make a first sample K joist...
  6. I think a quick jig for the shop press should get...

    I think a quick jig for the shop press should get the bends repeatable and pretty quick. Even just flattening down around the same bolt would get you pretty close, I think.
  7. Yeah, bingo!

    Yeah, bingo!
  8. Thanks all, for the ideas. Rob, I didn't mean to...

    Thanks all, for the ideas. Rob, I didn't mean to insult your relationship with clay, haha... Only to say that most people think of clay as something you model into a sculpture - what I'm talking...
  9. Thanks - I did do a set of them (12" bar joists)...

    Thanks - I did do a set of them (12" bar joists) a few years ago that used bent (rebar, round rod isn't easy here). I have a bending jig, that's no problem. But, that table, if I'm reading it...
  10. Thank you all for your useful replies. Failing...

    Thank you all for your useful replies.

    Failing a real engineer offering to help, I think the plan is going to have to be the guestimate and check method.

    I need to sit down and calculate the...
  11. Could, but this clay is a really fine powder, and...

    Could, but this clay is a really fine powder, and any dumping will get it all over. (Ever try to dump a 5# thing of flour out?)

    What advantage do you see in doing it in 2 steps instead of my 1?
  12. I found "drum locking ring", but those don't seem...

    I found "drum locking ring", but those don't seem to have much or any diametrical adjustability.

    Maybe I just need to make a ring slightly smaller than my chute, make the locking ring to form...
  13. OTish: What kind of clamp to quickly seal the mouth of a sack vs a chute?

    Hey all, I'm having trouble figuring out the name of what I'm after. I need to make a clamp that will quickly seal a sack (like 50# feed sack) against a round chute, probably 8" dia or so. I'd like...
  14. Thanks for your thoughts. Yeah, my Wells saw...

    Thanks for your thoughts. Yeah, my Wells saw already includes bolt holes on the back that can be used to attach my infeed roller stand, so if the stop were attached to the roller stand, you'd have a...
  15. Curiosity - anyone seen a home brew solution for a CNC saw stop system?

    I don’t have time to do anything about this right now, but curiosity got to me as I was looking at my saw the other day. I’ve seen some really nice looking commercial setups (TigerStop, maybe) for...
  16. The clear span is 33'. The columns, which I...

    The clear span is 33'. The columns, which I unfortunately wasn't part of the project when they were being poured, are spaced every 11.5' (10m span, columns every 3.5m)

    The two ends of the building...
  17. OT: Anyone ever run across a simple table of steel roof truss loads?

    I have a question. It's probably better suited to WeldingWeb, but in general I think PM answers have more informed math, lol.

    About once a year, someone asks my fab students to do a roof....
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    Interesting. Tell me more, if you're willing....

    Interesting. Tell me more, if you're willing. Living in a culture that isn't my own has trained me not to make snap judgements about ways of doing things that are different than what I'm used to....
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    There were different outlets that had a connector...

    There were different outlets that had a connector like you're describing, that are meant to grab a cable directly. Like a cable gland. This, though, I think is made to accept conduit to make a liquid...
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    Something that looks similar to the pic I posted?...

    Something that looks similar to the pic I posted? The German version of Home Depot had nothing similar!
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    Something like this, but with a thread that mates...

    Something like this, but with a thread that mates to the one in the outlet, no?

    272480
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    EU members: electrical conduit question

    In prep for building a new shop in West Africa, I'm collecting the parts to do the electrical install (after the output of the off-grid solar). I'm looking for a part, which I thought I would find...
  23. The hole needs to end up pretty snug and in the...

    The hole needs to end up pretty snug and in the right spot, but like I said, I'll need to put the plates on the mill to drill other features anyway, so I don't mind putting the boring head on to...
  24. Laser tolerance - how much to undersize holes I'll need to bore?

    I'm ordering the first parts I've ever had lasered. (It's the plates for the body of the ring roller in my other thread.) I'm used to the angularity of a cnc plasma cut edge, which is a lot in 1"...
  25. Yes, and auto downfeed (but is a super slow one...

    Yes, and auto downfeed (but is a super slow one meant for steel). That amount of down pressure those saws use, on aluminum, won't leave a very clean edge, perhaps?
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