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Type: Posts; User: jastewart

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    I am neither a design engineer nor a...

    I am neither a design engineer nor a manufacturing engineer, but if communication between the groups is as bad as you depict, this is a very dysfunctional organization, doomed to failure, or at least...
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    Why not make some of both, but based on preferred...

    Why not make some of both, but based on preferred selection thus far (my preference is also silver), you may want to make 3 times as many silver as blue, so that only "special" people get the blue...
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    You are describing a perpetual motion machine of...

    You are describing a perpetual motion machine of the second kind, forbidden by the rules of entropy.
    You will have to put in more energy than you can generate.

    Perhaps you might be better served...
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    Kelly has you a starting point, but you will need...

    Kelly has you a starting point, but you will need to plug-in the Modulus of the steel being stressed. Also, perhaps I am wrong, dead wrong, but it would appear to me the cross-section of the steel...
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    I must agree with Kelly on this one. A VFD...

    I must agree with Kelly on this one. A VFD (variable frequency drive) is there essentially for speed control. Some VFD's can take in 3PH (three phase) power, produce DC from that, then convert the...
  6. Since pressure is force per area, then to know...

    Since pressure is force per area, then to know the total force contained (not the impulse to be delivered by failure), you have to multiply by the inside area of the tire, not the outside area. Get...
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    You are seriously planning on occupying this...

    You are seriously planning on occupying this vessel during submersion?
    I know that in the boiler industry the pressure is on the inside, and vacuum is not permissible, so boilers always are vented...
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