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  1. M

    Drywall Finish Costs - Mud and Tape

    If you committed 1 hr per day to it, you will a) get better at it, and b) be done before you really know it. I used to passionately hate that too, but got into a position where I had no other choice without a giant delay in my project. The worst thing that's really possible is a big mess (eg...
  2. M

    Wiring a 100amp outlet/connection- typical practice?

    Hardwired is cheapest but gives minimum flexibility in the layout as times change. 3 pole non-fused disconnects are still pretty cheap, in good-used condition, if you want to go that route. A screw compressor or machine tool (etc) may have its own 3 pole disconnect native to the machine...
  3. M

    Wiring question on Square D motor controller

    My opinion on wiring diagram is here: The reason the residential toggle switch is so successful is because of the milliamp steady state draw when the contractor is held in. There is some inrush because of the back-EMF of the inductive coil, but that lasts milliseconds. And then after that...
  4. M

    Air System Piping-- don't overthink it (lessons from my recent project)

    I chose copper because I'll never have rusty fines in the system, and it will not ever leak at a sweat-soldered joint. No beaten up drywall from horsing on pipe wrenches. I hoarded up the copper a really long time ago before the prices got wack.
  5. M

    What type of roof?

    It may already be decided but I would go architectural, easy 30 years. Depending on your age that might the last of your problems. One can ice + water the entire thing but that gets expensive, lower edges Yes (or IF you had valleys, yes). The woven underlayments (Grace TriFlex) were...
  6. M

    To block or not to block. That is my question

    On one hand it could help to exclude birds. But it might be blocking a pathway to help ventilate the upper part of the roof where the lower is attaching. Because the roof is already on, some of the nice sheet metal options are out. The 1x2s would be good but it's going to be tough to fasten...
  7. M

    New Pole shed with cement and good garage door, mouse proof?

    I put a green scotch brite pad trapped under the overhead door gasket on each side, to make them crawl across that abrasive each way. I think that's their most likely point of entry. But, it seems like it could be working as they don't seem to be hanging out inside.
  8. M

    Fastener size for steps to outdoor deck

    GRK-RSS in 5/16 x 3-1/8" would be my choice. Drill larger clearance holes in your angle.
  9. M

    Running 250psi- what piping system?

    JW Harris Sta-Brite #8 solder for the win. You will think you're using leaded solder but it's approved for potable water systems. Approx 10ksi in tight shear like in a typical copper joint. Use Sta Clean flux from same mfg. Hydraulic tubing with JIC flares would also be nice looking and...
  10. M

    A future project: a sleep deadman switch

    I read about this and it seems to help. Pick a word, let's just say S-A-L-E. Start with letter S and try to think of every word you can which also starts with S. Pause a moment to mentally visualize the object (etc) before continuing. Not a speed race, just slow pace. I haven't made it past...
  11. M

    Noted for future dream shop build: Makinex 32kW Generator

    A Miller Dynasty 400 (amp) is on my dream list. But only needs ~90A on 240vac single phase. Not trying to poke holes in your dreams but rather to find a way mortals could come close 👍. The key is to let the transistors do the talking 😆
  12. M

    Help me understand how electrician set this sub panel up

    GFCI breaker is attempting to measure current thru both hot and neutral to make sure they are milliamp equal. If not, the conclusion is current is going somewhere else like thru a person in a wet location with insufficient isolation and thus it's time to trip. AFCI breaker is looking at...
  13. M

    Noted for future dream shop build: Makinex 32kW Generator

    I'm still uncertain about 480vac being some kind of magic wand. I have probably 20 machines in my shop, almost all of which used to be hooked to 480vac before I got them which are now running extremely happily on 240vac. It's not that I did something special either. The OEMs recognize that...
  14. M

    GE Moter

    If it runs after the pictured disassembly you are probably good for a long time. 50+ years.
  15. M

    Noted for future dream shop build: Makinex 32kW Generator

    I don't think thats a prime viable alternative to dodge the utility cost to provide 3 phase AC power to a shop. Constantly fueling it and firing up an IC engine every time you want to run a machine (?) Sounds like a huge drain of time and fuel cost. Imo that is where a phase converter is a...
  16. M

    Truss repair

    Also, if you were interested in beefing up the building, The connection for "every other" truss to the top of the wall girt can be improved. There is probably a Simpson strong tie connector you can adapt for use. I would recommend (if you have the capability) welding up 1/4" x 2" steel flat...
  17. M

    Truss repair

    This is a "tin skin" which is pretty bare bones. If you wanted to fix what you have I can tell you how to do it. If you are considering upgrading this building to more serious uses, I would consider a ground-up look at whats happening. As far as how to fix the bottom chord separating, from an...
  18. M

    New fast EV chargers and three phase power

    Jmo, but I think 3 phase is not supplied in residential areas for simple cost reasons. At an oversimplified level, wire has to increase by 50% and transformers have to increase by 200%. The 3 phase circuit panels and breakers are more expensive. There are issues of balance. In a residence...
  19. M

    How to wire a Static VFD

    I would try bare bones operation. Single phase in, 3 phase out. Use start stop control on the vfd itself. Try to get the motor running with no belt in proper rotation. Assuming success to that level, you may be able to run the compressor with belts hooked up from zero back pressure (zero...
  20. M

    Designing a Car Guy Garage, Drawing Feedback Welcome!

    I would keep your hose inside and give yourself a mixing option to get warm water. But roll the hose outdoors to wash. Downsides of washing indoors....mega water splash, everything in the building will get humid, you'll have constant surface rust issues. Also have to deal with the floor drain...
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