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  1. JBreunig

    Engineering App Ideas

    Thanks for the ideas everyone! Jim Breunig, PE
  2. JBreunig

    Engineering App Ideas

    This seems to have gone off the rails. DSB123 "Who are going to use the apps" I don't have an intended target, other than engineers in general. Just soliciting people's thoughts. Judging by the slow response rate, it seems to be as I expected; there is not a strong need for engineering apps...
  3. JBreunig

    Tips for Becoming a Successful Engineer

    These are all great thoughts and comments. I think I may write an update with some of these. It's great having some other viewpoints in here. Monkeydog - I also think everyone has a desire at some level to be successful. Who wouldn't want that? I think it's the few that have something different...
  4. JBreunig

    Tips for Becoming a Successful Engineer

    TheTick - I like that, that's a very good point. I've seen, and participated in some pretty creative solutions to customer requirements. That's more what I was going for, but I think your point is a great one. You need to meet the need, which is not necessarily what they're explicitly asking...
  5. JBreunig

    Hoist for the job or maybe a Linear Actuator?

    We used Duff Norton for an articulating solar array we designed recently. https://www.xceed-eng.com/articulating-array/ https://www.duffnorton.com/ But 1 ft/s is really fast. Based on speed and load, have you considered Pneumatics? This cylinder almost meets everything you need except stroke...
  6. JBreunig

    Tips for Becoming a Successful Engineer

    I was thinking recently about the engineers that I know that have been pretty successful. I think they share some common traits, and there's a few things that separate them from the less successful engineers. I wrote this blog article about what I've noticed. I'm curious what you all think...
  7. JBreunig

    Engineering App Ideas

    "Not clear that there's a real path there" - I don't think I was designating a path. Just a casual thought. Moore's law was officially broken in/around 2016, so your point regarding processor speed/price is valid, though not the topic of discussion I was going for. Jim Breunig P.E. XCEED...
  8. JBreunig

    Engineering App Ideas

    dik, you may be right. I agree that running programs like FEA would be challenging on a cell phone now (just think what it'll be like in 20 years though!). In the nuclear world, engineers walk down equipment, record their observations on a clip board, enter it in a computer, plot/trend the...
  9. JBreunig

    Reverse engineer a scanned 3d guitar neck stl file

    I just saved it as an IGES and STEP. See attached. Might still have issues, but good luck! Jim Breunig P.E. XCEED Engineering Mechanical Engineering FEA Consultantshttp://files.engineering.com/getfile.aspx?folder=a3bf5a93-2d6d-4142-be4b-36f452536455&file=neck2.zip
  10. JBreunig

    Reverse engineer a scanned 3d guitar neck stl file

    Try this. Fixed manifold issues. No 3D printer here, but it looks like it would print. Jim Breunig P.E. XCEED Engineering Mechanical Engineering FEA Consultantshttp://files.engineering.com/getfile.aspx?folder=88ad27c7-dd32-4de7-8095-ab142d77d8c7&file=untitled-neck1.stl
  11. JBreunig

    Engineering App Ideas

    I'm considering writing an app for engineers, and I'm looking for ideas. I enjoy coding projects in my spare time, and I thought it would be fun to try making an app. Does anyone have anything that they wish they could do on their phone or tablet? There's a lot of calculators out there, and I...
  12. JBreunig

    Reverse engineer a scanned 3d guitar neck stl file

    That model does seem to have quite a few issues. Can you share a different filetype like IGES or STEP? I tried a repair, but it looks pretty bad, and still has non-manifold edges. Jim Breunig P.E. XCEED Engineering Mechanical Engineering FEA...
  13. JBreunig

    Estimating pressure downstream a needle valve

    The valve is likely where most of the pressure drop is. Simply get the model number from the valve, google "model+Cv" or similar to get the Cv curve. Different manufacturers show this differently, but it should be relatively easy to get the Cv at the flow you have. Once you have Cv, you can...
  14. JBreunig

    Best Software for Tracking Proposals

    I like Hubspot myself. You can make your sales funnel however you want, and assign a probability at each stage of the funnel. It also tracks contacts and emails to those contacts. There's a free version that actually gives a lot of functionality, including a tie to your website. Jim Breunig...
  15. JBreunig

    Industry Comparison

    Though it may not be exactly what you're looking for, I'd recommend checking out glassdoor.com. They have salary data and review data for various positions at various companies. I don't think they break it down by field, but you could do that yourself based on the companies with salary data...
  16. JBreunig

    Underwater Bearing Application

    Thanks for the information everyone! This has certainly been interesting. I actually found out that similar applications used bushings, so I'm going forward with that design. I'm keeping some of these other designs in mind for later! Jim Breunig P.E. XCEED Engineering Mechanical Engineering FEA...
  17. JBreunig

    Vent size calculation for closd tank.

    I agree with chicopee. Use the Mollier diagram. Ideal gas law is reasonable for superheated steam, but it looks like you don't have that. I would do the stepwise function in excel and use an if statement to open a vacuum breaker at a certain pressure (unless you're planning on an atmospheric...
  18. JBreunig

    Underwater Bearing Application

    Thanks for the feedback. The shaft size is about 1" diameter. I'm actually now considering a bushing for this application. To answer some of the questions, we can't use soft goods due to radiation, so sealing the bearing from the water environment is extremely difficult. We were hoping to find a...
  19. JBreunig

    Underwater Bearing Application

    We have a unique project coming up that will require the use of bearings underwater. The bearings will be supporting a shaft rotating at approximately 1800 rpm. I expect thrust load to be approximately 50-100 lbs, and I expect a radial load of no more than 500 lbs. The system is intended to...
  20. JBreunig

    Career path

    I like your goal of becoming a plant manager someday. I don't know you and your abilities, but it seems achievable. Personally, I wouldn't be too worried about stepping down or up. I would mostly be worried about stepping in the right direction. If you had an opportunity that would put you on...

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