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  • Users: EngJW
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  1. EngJW

    Contract worker's lifestyle

    Hello, I need advice from people who do contract work. I'm approaching 64 and just lost my job (engineering). I am thinking about laying low for a few months to see if the economy starts to improve, and then finish my career by doing contract work. I see that Aerotek is encouraging older people...
  2. EngJW

    Calculation software (again)

    I have several equations and all I want to do is enter some data, run the calculations, increment the input, and list the result. Plotting the result would be nice but I suppose I could just copy it into excel. A previous thread mentioned Mathcad, which is priced out of my reach, and Python...
  3. EngJW

    Engine exhaust flow rate

    I've been looking for a method to get an approximate value for the exhaust flow rate of an automotive engine. We have an empirical equation, and I also looked at some muffler websites. All the methods found are basically this: Calculate the air flow into the engine based on displacement and...
  4. EngJW

    Straight pipe thread

    I found some old drawings that call out a straight pipe thread where a pipe plug goes into the end of an oil gallery. The pipe plug is a standard part. In 30 years of calling out NPT or NPTF threads, I have never seen this kind of thing. There is a brief mention of them in Machinery's Handbook...
  5. EngJW

    Puzzled about mirror in 2008

    I get two different results if I mirror a part when in part mode and when the part is mirrored in an assembly. The part is a shaft with several cam lobes in different angular positions and the rear half is supposed to be a mirror image of the front half. 1. When working as a part, the entire...
  6. EngJW

    Got SW2006 working in Vista

    In case anyone is interested, it looks like it can be done. As other posts have pointed out, it will install but you can't start it. However, you can check it as "run by administrator" and "XP compatible" mode. I can't tell you how I did this because it took a number of attempts to find the...
  7. EngJW

    SW2008 drawing problems

    Just got a new computer with SW2008 already installed on it. Most everything is working ok but there are two problems I can't figure out how to fix: 1. New drawings default to 1st angle projection and have to be changed manually to 3rd angle each time, even when adding a new sheet. I think some...
  8. EngJW

    Panning in 2008

    Have the sliders along the bottom and side of the view been removed for 2008? I am having to use the pan icon to move around now. Thanks
  9. EngJW

    sketch editing 2008

    When editing a sketch the feature continues to show. This can make it difficult to edit the sketch if you need to use the original geometry. Is there a way to turn this off/on? Thanks
  10. EngJW

    Confused about downloading upgrades

    We are owned by another company and they supply us with Solidworks, but they hold the service contract. We are still using SW2006 because we have Windows 2000 and there will not be any money for upgrading computers for as long as I can see. In the meantime they are letting me take SW2008 home...
  11. EngJW

    Using SW2006 to make electrical schematic

    Our electrical schematics are drawn on Autocad. I'm trying to use SW instead, but it doesn't seem like it is going to work out. The schematic is just a lot of lines and text. Since there is no part involved, I started a new drawing and loaded a sheet format. Then I used the regular drawing...
  12. EngJW

    Hose material

    SAE J30 for fuel hoses uses the terms "coupled" and "uncoupled." However, they are not defined and a search on the internet didn't turn up anything except quick-disconnect couplings. It must be obvious to everyone else, but could someone please explain?
  13. EngJW

    Questions about NACA ducts

    After reading several NACA papers on submerged ducts and ram entrances, I am finding that my understanding is still pretty shaky (my background is mechanical). What determines how much area is needed for the opening? I think that it would depend on the air flow requirement of the engine and an...
  14. EngJW

    Circular/Total Runout

    Well, I did search here and on the internet and I think I understand what these terms mean, but I wonder if anyone can give examples of where to use one or the other. If you have a diameter that is going to be used for something like a needle bearing race I can see using total runout. However...
  15. EngJW

    Interference studs

    I started to design a new stud and picked a thread out of our standards book that has an oversize pitch diameter. I don't know if it was designed to any kind of standard, although sometimes a Class 4 is mentioned. Then I looked at the Class 5 threads in Machinery's Handbook. The question I have...
  16. EngJW

    Sheet format in pdf

    If I send a drawing to our printer, all the lines come out black. However, if I convert the drawng to pdf and print it, the sheet format lines are very light and some text, like chamfers, is light. The object and dimensions appear correctly. I am using default templates with some small changes...
  17. EngJW

    NPSF thread

    Some of our old drawings of cast housing show npsf threads. I looked them up to see what they are, but what would lead one to use these threads instead of nptf? Thanks.
  18. EngJW

    Learning to add Rev table

    Is it correct that you have to use annotations/note to fill in the description? Can you change the rev letter and date? Say the old drawing was on paper at Rev C and you want to start the new SW drawing at Rev D. Or I want to change to tomorrows date instead of today. Thanks
  19. EngJW

    Part access denied

    We have just added a second user. If one of us has an assembly open and the other tries to open a part used in the assembly, there is an access denied warning. I might be missing a setting and I have to admit my understanding of SW files leaves something to be desired. I went to both computers...
  20. EngJW

    Strange cursor

    A couple of times I must have accidently clicked on something or hit a key, and the cursor changes to something that looks like an upside down chemical flask. It locks you out of any other command and ESC doesn't work. The only way to get rid of it is to save and quit, then restart. Does...

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