Automatic ventilation in my greenhouse. Made a small improvement with 2 bottles of beer. Works great

Discussion in 'Greenhouse Growing' started by BarS, Feb 7, 2021.

  1. BarS

    BarS Apprentice Gardener

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    When it gets hot the device opens the window the bottles go up. Bottles are used to close the window, as the window opens from the top and one spring is not enough to close it. The device can lift up to 7 kilograms, which is enough to lift bottles.

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    • noisette47

      noisette47 Total Gardener

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      Ingenious! I find that one bottle of dry white wine solves most problems :biggrin:
       
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      • Upsydaisy

        Upsydaisy Total Gardener

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      • DianneW

        DianneW Head Gardener

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        only I..haha
         
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        • DianneW

          DianneW Head Gardener

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          nice set of mugs Upsydaisy...:love30:designer ones by the look of them...:heehee:
           
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          • Logan

            Logan Total Gardener

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            Hello @BarS and welcome to GC forums
            :sign0016:
             
          • flounder

            flounder Super Gardener

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            Seems a waste of beer when you could have used empty plastic milk bottles filled with water:whistle:
             
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            • Black Dog

              Black Dog Gardener of useful things

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              So let's see if I get this right:

              When it is cold, you hang a few beer bottles that work against a spring.
              When it gets too hot, someone comes strolling along feeling quit uncomfortable, sees two bottles of cool beer hanging out in the open, drinks them, and the reduced weight opens up the window?

              Genius!!!

              But how many bottles of beer do you normally go through in a normal summer?

              Does I work in a gradient? So let's say Budweiser opens up at 38 degrees Celsius (because who wants to drink that?), Heineken opens at 32 degrees Celsius and a pint of Guinness goes at 27?

              Would this work in Scotland as well or do I have to remove 2 degrees from standard British opening Temperature to convert to Scottish temperature.

              So many questions
               
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              • BarS

                BarS Apprentice Gardener

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                Of course, I filled the bottles with water)
                 
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