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hanging solar panel on a wall - what rails?

Discussion in 'Electrics UK' started by mrmisior, 25 Oct 2020.

  1. mrmisior

    mrmisior

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    Want to hang a 2x1m 20kg solar panel on a brick wall at an angle.
    There are kits available but they are designed for flat roofs. May not be strong enough for wall mounting (example photo below).

    Would like to know in an aluminium angle rail (photo below) be strong enough? What thickness should it be?
    Otherwise, would go for 1mm steel if that is sensible.
     
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  3. mrmisior

    mrmisior

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  4. mrmisior

    mrmisior

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  5. JohnD

    JohnD

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    Are these second-hand panels, where the manufacturer is no longer in existence so the fitting kit is unobtainable, and no documentation can be found?
     
  6. mrmisior

    mrmisior

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    The manufacturer q-cells, describes 6 variants of possible mounting of the Q.PEAK DUO BLK-G5.X 315W and clearly states that vertical installation is permitted. They don't offer any bracket system for vertical installation.
     
  7. JohnD

    JohnD

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    If you use the flat-roof design or similar, alter the triangulation so that the upright projects as high as possible above the panel, because it will resist the leverage of weight and wind better.
     
  8. mrmisior

    mrmisior

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    is that what you mean?
    blue is the bracket, black the panel.

    upload_2020-10-25_19-20-13.png
     
  9. JohnD

    JohnD

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    Yes
     
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  11. mrmisior

    mrmisior

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    Thanks. Could you look into another technical problem, I have.
    Building a home gym cable machine.
    Below is the side throw.
    Can the blue frame be free standing?
    Does it have to be attached to a wall?
    If it has to be attached, what force will be transferred into the wall assuming the black weight is 50kg.
    What is the direction of force?
    upload_2020-10-25_22-43-14.png
     
  12. RF Lighting

    RF Lighting

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    Is it an electrical gym machine?
     
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  13. mrmisior

    mrmisior

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    One can attach a dynamo to it to make it so ;)
     
  14. mrmisior

    mrmisior

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    ah! I see now... the thread was moved into Electrics from General DIY. This was not intended - mechanical question.
     
  15. DetlefSchmitz

    DetlefSchmitz

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    I should go back to the teacher and say there is not sufficient information to answer the question.
     
  16. mrmisior

    mrmisior

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  17. mrmisior

    mrmisior

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    Panel weight 20kg
    Size 1.6m x 1.0m
    Desired installation angle 45 degrees but can settle for 30 degrees (closer to the wall)
    To be installed sideways
    Expected winds 30mph, gusts 70mph
    Brick wall
    Desired height of installation 5m from ground (top of the panel)

    Looking for a minimum size aluminium rail.
    If 2.5mm rail will do, then I can just buy of the shelf - as above picture.
    Not sure if it will do.
     
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