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Type: Posts; User: Kelly Bramble

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  1. Replies
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    Here's associated formulas and calculator for...

    Here's associated formulas and calculator for flywheel design:

    Flywheel Mass Size Design Equation and Calculator
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    No.... energy cannot be created from nothing.

    No.... energy cannot be created from nothing.
  3. Your calculations are statically indeterminate...

    Your calculations are statically indeterminate and ignore real world deflections. Moreover, structures are never build in perfect orientation nor are structural members perfect. Thus, some...
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    That's probably a UV Spraying Coating.

    That's probably a UV Spraying Coating.
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    A image would be helpful..

    A image would be helpful..
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    Animation How A Gearbox Works

    This animation shows how an automotive manual gearbox works.

    2587
  7. Storage system for storing rainwater and using it when needed

    Tank configuration with overflow.

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  8. I would try an organization that specializes in...

    I would try an organization that specializes in engineering and design professionals for hire.

    Engineers Edge gets lots of internet traffic however I'm pretty sure you're not going to find much...
  9. All GD&T Tolerance boundaries are applied to the...

    All GD&T Tolerance boundaries are applied to the full depth, width and length of the feature.

    X and Y measurements you're referring to are simple 2-d measurements from a specified and established...
  10. No... I think this is the second question in a...

    No...

    I think this is the second question in a week regarding the interpretation and setup for measurement to datums. Position tolerance can be 2D in very thin cross sections like a .0005" shim...
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    If it's a surface - it can be a datum. This works...

    If it's a surface - it can be a datum. This works as defined. Datum C can be simulated with two collapsing surfaces that are parallel to the engineering drawing graphics as specified. A CMM would...
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    I doubt it's an off-the-shelf gear. Probably...

    I doubt it's an off-the-shelf gear.

    Probably need to find somebody that can reproduce it from what you have
  13. Parallelism is measured from the specified datum...

    Parallelism is measured from the specified datum which is simulated at the tangent plane of that datum feature. One might place that datum surface against a surface plate thus contacting the three...
  14. See: ...

    See:

    https://www.engineersedge.com/heat_transfer/conduction_multilayer_isothermal_wall.htm
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    Academic.... this is homework created by...

    Academic.... this is homework created by somebody that wanted to pose a math challenge to students.
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    Profile of surface tolerance by default is...

    Profile of surface tolerance by default is bi-lateral equal (half to the inside and half to the outside of the profile).

    Therefore, a perfect world go gage size is an oblong shape (15 - 0.1) x (8...
  17. You can't.. Stress and deflection is...

    You can't..

    Stress and deflection is typically not linear not is it simple and understood anecdotally.

    Without a free body diagram, materials and engineering detail calculations - you don't...
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    Right tool for the job

    Using the right appliance for the job:

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  19. Yes, but note that LMB is as related and assigned...

    Yes, but note that LMB is as related and assigned to a Datum Feature.




    No... too general except for selected cases.
  20. BS8888 does not provide specific guidance on...

    BS8888 does not provide specific guidance on concentricity tolerance however paragraph 9.1 - 9.3, general tolerances does suggest the usage of BS EN 22768-1 also known as ISO 2768-1 for general...
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    LMB y MMB son modificadores de datum y pueden...

    LMB y MMB son modificadores de datum y pueden estar relacionados con tolerancias de posición.
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    I have a boat - it gets launched in salt water....

    I have a boat - it gets launched in salt water. The calipers are aluminum and the bleeder valves are steel and coated. Brakes should only be bled once maybe twice in the useful life. I always water...
  23. I’m sure you’re aware that you can mix carbon and...

    I’m sure you’re aware that you can mix carbon and nickel steels for functional requirements. For example, more than thirty years ago I worked at Bell Helicopter Textron and designed fatigue testing...
  24. You seem to be changing the question to fit? ...

    You seem to be changing the question to fit? Your questions now appear to be more academic in nature with a need for sourcing. Depending on volume buy as local as you can and as common materials as...
  25. Nobody can tell you what end material you need to...

    Nobody can tell you what end material you need to satisfy stress requirements or some generic weight vs cost vs strength requirements you may need based on a forum post.

    You need a design layout...
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