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Recent content by JustaJeepr

  1. JustaJeepr

    Welding steel castings to A513 steel tubing

    Need some advice and references if available on the proper welding techniques for fabricating 1020 annealed castings to A513 1008/1010 steel tubing. Are there any reasons for not doing this? This is are first experience with steel castings. We have fabricated brackets and parts that are...
  2. JustaJeepr

    Two speed two commutator dc motor

    Thanks, jbartos. We were just wondering if this design made any sense. Gerald GEFought justajeepr@rockcrawler.zzn.com
  3. JustaJeepr

    Two speed two commutator dc motor

    Good Day! Does anyone have any information, knowledge, or application of a two speed, two commutator dc motor? This would make switching speeds easy, but the cost will be more. Basically there would be two motors wound on the same rotor. This is a 1/3 HP application with a requirement for...
  4. JustaJeepr

    Welding References

    Grant,<br> I could not agree more with TJW. I have used Blodgett's reference books since the early 70's. They are the best reference you could have on your desk for welding design, application and analysis. The &quot;Design of Weldments&quot; is a smaller verison of &quot;Design of Welded...
  5. JustaJeepr

    Design Examples, Shock/impact boot for Drop

    I am certain that in your engineering lab you have a Fluke digital handheld meter. That is a good design example. We have investigated using a low durometer urethane &quot;Drop Boot&quot;, similar to the Fluke version, on several of our handheld designs. Santoprene is also a good choice to...
  6. JustaJeepr

    Bending stiffness of Tube rod assembly

    Your on the right track. Let's keep in mind that the deflection under load is equal for both beams. If we set the applied load Ft = F1 + F2, and considering for example a simply supported beam where y = Pl^3/48EI, we can write<br> y = F1 * l^3 / 48*E1*I1 = F2 * l^3 / 48*E2*I2.<br> F1/F2 =...
  7. JustaJeepr

    Looking for fastener slide computer

    Thanks JEFF1. I have an old, worn out TAD Universal Reference Calculator. I have used this since 1970. The company does not exist anymore. <br> I just ordered the standard and metric from Holo-Krome.<br> Thanks, again.<br> <p>GEFought<br><a...
  8. JustaJeepr

    General Material Data Handbook

    Matweb is an excellent site.<br> Also, the &quot;ASM Metals Reference Book&quot; is a good source for the information you requested. <p>GEFought<br><a href=mailto:jfought@invacare.com>jfought@invacare.com</a><br><a href= > </a><br>
  9. JustaJeepr

    plastic snap fits

    GE web site has design data. You can get design book if desired. <p>GEFought<br><a href=mailto:jfought@invacare.com>jfought@invacare.com</a><br><a href= > </a><br>

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