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  1. Lloyd-ss

    Compression ignition

    Yes, with a roots blower like Greyhound buses, diesel trucks, lots of marine and stationary engines, and of course trains with the always disastrous run-away blown diesels. Here is the build thread for the project. I have been stalled on it for a while, but now that I have the blower, head...
  2. Lloyd-ss

    Compression ignition

    A few people on the forum (MT) have successfully built true diesels, but it ain't easy. Regarding fuel atomization, it can be done. I am working on a 2 stroke diesel patterned loosely after the Detroit Diesel series of engines. I finally got the unit injector (HP pump and injector combined into...
  3. Lloyd-ss

    Welder

    I think that sentence says a lot. You are not expecting anything good, and that's probably what will happen. Welding is an art that takes a lot of time to learn to do just an "acceptable" job. There are no short cuts "as seen on TV." First suggestions (and I do not shy away from learning very...
  4. Lloyd-ss

    What have you been doing today?

    Wow, it must be so nice to have an active club with real activities, including testing and certification. No "test till failure", I hope, where the only witness is a video camera?
  5. Lloyd-ss

    What have you been doing today?

    Probably spiders, too.
  6. Lloyd-ss

    How big is first order part of reaction torque?

    The crankshaft counterweights can balance much of the first order vertical (up and down) imbalance, but not the first order side to side created by the counterweights and conn rod. A single balance shaft rotating at the same speed as the crank can eliminate much of first order side to side...
  7. Lloyd-ss

    What have you been doing today?

    Joe, yes, I realize how incredibly lucky I am. But I also know that being a dad and grandpa is a job where I need to muster up all the patience I can, LOL. And that CAN be a job. (and safety is always number 1.) Here is grand daughter at the drill press, and the other pic is of her mom (the...
  8. Lloyd-ss

    What have you been doing today?

    Grand daughter (a young 11) was visiting yesterday. She loves being in my shop and making things and helping. She has her own cabinet and drawer for her projects and is learning safe use of tools, although she can be a bit overconfident. After she reorganized my plier drawer ;) , I had...
  9. Lloyd-ss

    Stuart S50 - Replacing mild steel shafts with stainless steel shafts.

    If I may suggest a slightly different approach to your material selection conundrum, I will give it a try. Because most of us are working on models and only need tiny amounts of specialty materials, we are often left with: 1. What can I find? 2. What can I buy? 3. What can I afford? And...
  10. Lloyd-ss

    PISTON AND CYLINDER SIZE. (O-Rings)

    The surface finish (cylinder bore) should have a very smooth finish, almost polished if possible. Have you looked at the failed o-rings under magnification to see if the outer surface is worn or damaged? Given your stated actual dimensions of your engine, the groove depth including the piston...
  11. Lloyd-ss

    What have you been doing today?

    It's still a bit too risky to put the pepper plants out yet with a few chilly nights still possible, but the asparagus has really started to come in. Wish I liked it, LOL.
  12. Lloyd-ss

    What have you been doing today?

    Ouch, I didn't even see that one coming! I will have to share that one with my 10 YO grand daughter. We were actually along that creek yesterday afternoon, near the well, and she found a bunch of dried up, past their prime Daffodils. She handed them to me saying, "Here are some Dead-fo-dils for...
  13. Lloyd-ss

    Online Metals Flat Rate Shipping

    Darn!! Living the good life!
  14. Lloyd-ss

    Hello, from the Pacific Northwest !

    Welcome to the forum! Not very connected to your peers? Don't worry, there are plenty of nerds and geeks here. We understand each other. You'll get plenty of project suggestions, but it would be good to know your skill level, if you have any tools and equipment, whether you want to spend a...
  15. Lloyd-ss

    What have you been doing today?

    A few nights ago our water quit. We are on a private well and I knew the pump was over 12 years old. I went down to the well in the dark and verified that the 230volts was getting to the well, but the pump was not pumping. A quick check with an ohm meter showed that the windings were not reading...
  16. Lloyd-ss

    What have you been doing today?

    I had heard some anecdotal "scare" reports about Teflon, but had attributed to "partially informed," folks and didn't give it much thought. After all, almost all of the wire insulation used in the equipment we built for the USN was a hi-temp Teflon insulated. But I did hear one story from Ball...
  17. Lloyd-ss

    Online Metals Flat Rate Shipping

    That's a pretty good deal. I like their broad selection of materials and sizes, particularly in the 2024T3 aircraft aluminum tubing sizes, and the 4130 chrome moly and the A513 DOM steel tube. I've tried a few other places, but Online Metals always seems to be running some sort of deal to keep...
  18. Lloyd-ss

    Protection to Micro lathe power supply?

    I still think the re-setable breaker presented in post #12 is an effective and inexpensive solution to the OP's question. However I agree with Minh That that avoiding stalling the motor is the best solution.
  19. Lloyd-ss

    Protection to Micro lathe power supply?

    Igor, the 20A-30A Ali express one will work if you can put it between the power supply in the lathe and the fwd/rev and speed control in the lathe. The reason is that the input to that board has a specific + and -. Your controller in the lathe will reverse the polarity to the motor, so the Ali...
  20. Lloyd-ss

    What have you been doing today?

    Very nice. Beautiful sunrise. I understand the need to capture the moment. Looks a lot like where I live, but that is my sunset view. Do you have the firey sunsets to match? Lloyd
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