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Type: Posts; User: PinkertonD

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  1. Happy to help, just giving back ot an industry...

    Happy to help, just giving back ot an industry that has been very good to me. :)

    I probably will not take you up on your kind offer.

    Many years back I spent several years working in the UK. I...
  2. Glad to hear it. Now you see why I say I will...

    Glad to hear it. Now you see why I say I will guide you rather than do it for you. :)

    Too lazy, again, to check the differences in those figures, but if that's the figure you got then it is...
  3. I meant you to use the Tensile area Calculators...

    I meant you to use the Tensile area Calculators and from there use the Tensile Strength for the steel the threaded rod is made of.

    Material Tensile Strength x Tensile Area = ...
  4. Yup, look up the tension and shear strength...

    Yup, look up the tension and shear strength calculator for threads. Your threaded rod is all in tension so tensile failure is the thing to work on.

    The distance between nuts and beams is of no...
  5. All in a worthy pursuit. :) The other option,...

    All in a worthy pursuit. :) The other option, opening up large holes with a conventional two-flute drill is a recipe for lost digits and maybe even limbs unless you can have them done in a machine...
  6. Can't help with prices in UK but metal suppliers...

    Can't help with prices in UK but metal suppliers here generally have off-cut bins where steel is usually around $0.40/lb.

    I would seriously consider going to 25mm threaded rod straight off. But...
  7. You (we) always design for the maximum pressure...

    You (we) always design for the maximum pressure that can be applied rather than what it takes to squish the apples. So, 20-tons is the figure you need for the load. The apple load can vary...
  8. Wow, nice job so far. The press looks good and...

    Wow, nice job so far. The press looks good and the attention to detail on the woodwork looks first class. I wish all first time posters provided as much detail at the get go.

    Doubling the jack...
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