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  1. fun tricks with rare earth magnets - Magnetic engineering

    May 4, 2001 · I bought a set of 10 rare earth magnets from ebay. Each 1/2" x 1" x 1" As others suggested, I was very careful. Based on what someone suggested on one of the old threads, I …

  2. Convert AC motor to AC alternator | Eng-Tips

    Oct 10, 2011 · There are tricks to making that work more reliably, but it takes some effort, talent and a little bit of luck in finding a motor that used iron in it's construction with the right amount …

  3. SS304 / SS316 - how to check on them ? | Eng-Tips

    Nov 8, 2003 · Dear collegues , I want to check if the contractor is supplying my company an installation with the much more expensive SS316 materials that was demanded , and make …

  4. Brushless Excitation Field Flash | Eng-Tips

    Mar 7, 2010 · Normally in a Brushless excitation system we have a PMG (Permanent Magnet Generator). Because it is a independent source of power it will provide the Voltage Regulator …

  5. Shop Drawing Review | Eng-Tips

    Aug 15, 2006 · Recently I was drilled by an architect because our firm's shop drawing stamp did not have an option for "Approved". Our options are: "Reviewed - Exceptions Noted" and …

  6. Paper Space/Model Space help | Eng-Tips

    Aug 26, 2005 · After all these years....you can teach an old dog new tricks. Oh, one responder mentioned that they couldn't believe that there's people not using paper space in today's cad …

  7. Blocking Magnet purpose in HV SF6 circuit breaker | Eng-Tips

    Jan 2, 2012 · Can anyone explain the purpose of a blocking magnet within a 11kV ABB SF6 circuit breaker, what is it's function. Circuit breaker is motor charged with 1x shunt trip, 1x …

  8. Hollo-Bolt Experiences/HSS Splice | Eng-Tips

    Mar 13, 2023 · Anyone out there using the Hollo Bolt from Lindapter or the shirkun concealed nut system for splicing HSS and have any + or - experience to share? I've got a very long and …

  9. Output shaft on DC motor difficult to turn by hand vs free spinning

    May 19, 2018 · Hi all I have limited experience with DC motors, but from what little experience I have some have been nearly impossible to turn the output shaft by hand, while some turned …

  10. Concrete Mix design review | Eng-Tips

    Dec 11, 2007 · I have been asked to do a concrete mix design review. I have received subimittals from the manufacturer and admixture data sheets. As a minimum, what should be specified in …