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  1. Replies
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    markzboyce, You're asking for specifics. What...

    markzboyce, You're asking for specifics. What you are missing is this: Calculations of the energy required to compress the air and to deliver it to the point below the surface of the water to...
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    It seems to me you are completely ignoring the...

    It seems to me you are completely ignoring the energy required to compress and deliver the air to the balloons in question. Have you done a thermodynamic analysis of your process? How is this any...
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    You're complaining about $90k at 30 years old? ...

    You're complaining about $90k at 30 years old? Give me a break! Wonder why millennials have a reputation for being whiners? Welcome to life. Whoever told you it was going to be fair was lying. ...
  4. Well I'll give you one data point. I think the...

    Well I'll give you one data point. I think the average spend in training of engineers of all the employers I've had in over 40 years of work would work out to about $25 per engineer per year. ...
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    You started an automobile company and you want to...

    You started an automobile company and you want to get your engineering knowledge from an online discussion forum? Words fail me.
  6. Mark's Handbook and Shigley's Mechanical...

    Mark's Handbook and Shigley's Mechanical Engineering Design.
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    1) Post a diagram for better understanding. For...

    1) Post a diagram for better understanding. For example, you did not say this, but I am assuming the two shafts are being joined end to end and are on the same axis. Not perpendicular to each...
  8. Excellent information there Jalberts! I find it...

    Excellent information there Jalberts! I find it very interesting that the three books you mentioned will always be at the top of any list from experienced mechanical engineers. (Along with a well...
  9. > What industry do you work in? Currently...

    > What industry do you work in?
    Currently specialty steels. Experience in many different manufacturing areas: automotive, machine tools, glass, tires, electronics, lighting, ...


    > What is...
  10. So, you're going to let your supplier determine...

    So, you're going to let your supplier determine how to dimension a part they are making for you? I thought the customer was always right. What about the user? Don't they have a say here? Your...
  11. You said the hole pattern is not centered...

    You said the hole pattern is not centered vertically. It sure appears to be, which tells me that whoever has to handle it and install it will be confused and frustrated. And they will blame you. ...
  12. I will leave it to Kelly to comment on the...

    I will leave it to Kelly to comment on the symbology, but as far as I'm concerned the hole dimensions are much better.
    Two comments: (1) check your vertical dimensions. The holes are not centered. ...
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    Steel will wear aluminum. Period. Are you...

    Steel will wear aluminum. Period. Are you talking about a coating on the steel fixture or on the aluminum? If it is truly a costly problem, there are some aluminum coatings that do a really good...
  14. Your example is a very poorly done drawing in my...

    Your example is a very poorly done drawing in my opinion. Unfortunately it exemplifies a very common mistake, especially for inexperienced designers. The designer wants the hole pattern centered on...
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    Actually I think filling with concrete might make...

    Actually I think filling with concrete might make things worse. The concrete will add a little stiffness (maybe) but will also add a lot of weight. The actual load on the legs is a bending load,...
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    The winch manufacturer probably offers a switch...

    The winch manufacturer probably offers a switch that can be fitted to your system. I recommend contacting them or your local winch distributor, such as Grainger or others.
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    First - is this homework? Sure looks like it to...

    First - is this homework? Sure looks like it to me. If that is the case, there are some forum rules to which Kelly can refer you.

    Second - if this is indeed homework, then my compliments go out...
  18. A gyroscope speaker? Huh? You'll have to...

    A gyroscope speaker? Huh? You'll have to explain what you're seeing in your mind a little better. A speaker: a device which emits sound based on electrical input. A gyroscope: a mechanical device...
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    Have you shown it to custom molding shops? Seems...

    Have you shown it to custom molding shops? Seems an ideal candidate for molding.
  20. If some of my fellow engineers will forgive a...

    If some of my fellow engineers will forgive a little hyperbole: Without electrical engineering, nothing moves. Without mechanical engineering, there's nothing to move. Without programming, none of...
  21. Thread: GD&T Examples?

    by jboggs
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    When I was in your position the greatest amount...

    When I was in your position the greatest amount of learning I got was from simply going through old drawings of mechanisms and systems that I already understood. That way I was able to understand...
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    That is an intriguing gearset... but I don't see...

    That is an intriguing gearset... but I don't see how it could work. When I mentally follow the motions at each interaction point it locks up. Won't move at all. Am I seeing it wrongly?

    It would...
  23. Thank you for that resource.

    Thank you for that resource.
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    For what its worth, I have seen the word "couple"...

    For what its worth, I have seen the word "couple" used as a synonym for "moment".
  25. Picture a roller chain (bicycle chain) wrapped...

    Picture a roller chain (bicycle chain) wrapped around two equal-size sprockets in a horizontal loop. The upper and lower strands travel in opposite directions. If you connect one door to the lower...
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