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Recent content by TCrush

  1. TCrush

    Geezer engineer

    Try getting involved with ASME, or other professional organizations, there are a lot of new engineers out there who could gain from your experience. Teaching classes and speaking at meetings is a great way to keep yourself busy and inspire young minds, and some not so young minds as well.
  2. TCrush

    Casting Repair

    The biggest problem we have is lots of retirements and closures forcing us to loose a lot talent. I actually work at a depot as a engineering rep for the Navy's In-Service Engineering for Aviation Support equipment, and I’m the one stuck with writing these things, so that our on site contractor...
  3. TCrush

    Casting Repair

    "As cast" is what’s on the original drawing. My gut told me that did not sound right, which is why I'm trying to educate myself in this area. From what I have been reading it should have been normalized, and I really do not have much faith in the OEM that it was. The operating temps are what...
  4. TCrush

    Casting Repair

    Thanks for the feedback I have pretty much decided to let the ‘experts’ deal with it, but knowing what needs to be done and how goes a long way in making sure we get a reliable repair. And since the equipment will be handling bombs I do not want a failure. Thanks again....
  5. TCrush

    Casting Repair

    I have a boom (about 6 foot long) that is made IAW ASTM-A27,A148 Class 150-125 chemical composition is equivalent to 4130 Except Si is .64%, and is furnish in an “as cast” condition. Due to misuse the lower part of the boom is wearing to a point that there is some concern it will not carry the...
  6. TCrush

    Spring constant determination in Mechanical Shock

    If your dealing with and underwater explosion on a suface ship then the only concern you should have would be shock in the verticle direction. High verticle acceleration and shock induced motion of the hull plating is trasmitted upward through the ships frames, bulheads etc...with the highest...
  7. TCrush

    Set a point load on the surface of a curve

    I'm trying to set a point load on the surface of a curve. is this possible or am I have some sort of operator malfuntion. Any help would be greatly appreciated
  8. TCrush

    Modeling aqueous corrosion

    this might be of some help http://www.corrosionsource.com/software/predict.htm
  9. TCrush

    Torque Values for Mil Spec lugs

    Try www.usainfo.com they have pretty good search engine...
  10. TCrush

    PIA specs

    Trying to locate PIA-H-7195...from a sorce other than PIA...any suggestions?
  11. TCrush

    Thermal Properties of H20-LiBr

    I am in need of properties values for Water-Lithium Bromide solution. I have one referance (McNeely 1979) but have not had any luck in locating it or any other source. Are there any online sources or book sources available, any help is appreciated. Thanks in advance
  12. TCrush

    Mapping

    OK here is the next challange: We wanna put a wire follow aroung the parimeter of the operational area...simular to the electric dog fences I assume...any thoughts on this? can I use the dog collar? if so how does it work? thanks
  13. TCrush

    Mapping

    I think the corner sensors may work is there any way to set up a way to know what corner it's at, if I ounced an IR beam off of some sort of reflector?
  14. TCrush

    Mapping

    The robot will have to cover about an acre with an avg speed no more than 1.5 m/s. T he accuracy needs to be with in about 1/2 meter over the 1 acre area. The area will be the same each time....but the flexablilty to change may need to be put in at some point in the future.
  15. TCrush

    Mapping

    We are looking for methods of determining location, other than odometry. Our Budget is very limited....And the enviromental conditions may interfear with IR for use as sensors...
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