Thursday 5 April 2018

Polycrub part5 : Gable ends ( part1 )

So the polycrub is no longer needed as the 'temporary'  hay store.  Stuff got moved out


 and i could start to think about the ends.
The whole thing is on a slope, and there wasnt the suggested 600mm depth for the posts , so some concreting came into  supporting the posts. . And the fall in the slope, and the need to add back some topsoil, and having some breezeblocks lying around  led to a small retaining wall.



And then the timber framing went on top of the retaining wall.




And the panels were fixed to the timber.



The other end needs doing , in a similar fashion.

I've left the door off at the moment. I dont want to close off one end, and then have a  strong wind entering from the other,  and the wind has nowhere to go .
So the current plan is that the other end will get done , and I'll open up a gap for a window that can be opened up to aid ventilation in the summer.

And add the door and window at the same, not too windy, sitting,

Some questions .

Does the shape of the polycrub mean a wind across it is a lifting force (like an aircraft wing) . Or does the force of the wind keep it down ?

whilst you dont open a window in a hurricane , is there any advantage to hving an opening at each end, in very strong winds, to let the wind through adn minimise any lift ?

Just like you can get thermostatically controlled greenhouse vents , that open as the temperature rises ( there is a bimetallic strip in them ) , can you  have something that will open as the wind pressure rises ?  But there would need to be an in-out opening at both ends. So can you get  'swinging' window ?
















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