| Gallery, Projects and General > How do I?? |
| Where abouts can you buy cheap thin aluminium sheet? |
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| awemawson:
Lithographic printers use thin etched sheet alloy nowadays wrapped round drums - when they've finished their run the 'plates' are scrapped. They will have negatives of the print on one side but that doesn't matter for your purposes. News paper printers do the same. Scan Yellow Pages, get on your bike (!), and chat up who ever you find in their loading bay, don't waste time at the front door! |
| Pete.:
--- Quote from: awemawson on August 13, 2014, 02:25:19 PM ---Yes but I deleted them unread ! --- End quote --- As did I. What's the significance PeteW? |
| S. Heslop:
Life would be easier if I had a car... I think I might go with plastic. I kinda like the idea of making the cyclone clear so I could see into it (until it gets scratched up by the dust!). Another advantage would be be in able to just flex it into a smooth curve and not worry about kinking it. There's a plastic supplier in the Team Valley that i've been wanting to take a look at for a while. I might even be able to get the bus there, for a small fortune. And then experience the joy of wrestling a meter square of plastic back home on crowded public transport. My only worry with plastic is that it might not hold it's shape too well, and crumple inwards from the low pressure. |
| awemawson:
The traffic cone chap on ebay is a different one to the one I found - it was far more crudely put together than the one you posted. However the point of this post is: he had to support the outside of the cone to prevent collapse with plywood. Traffic cones (or at least the few I have on the farm) are quite thick and heavy plastic |
| S. Heslop:
That sounds troublesome. I was hoping this'd be a quick project so I could move on to stuff I want to do, but I might be in it for the long haul. Nothing is ever simple! Thinking about it though, I could probably make a bunch of MDF rings all from one disc, and use them to support the cone. Not sure what plastic I should be asking for though. I know next to nothing about plastics. I suppose I could ask the people working at the plastic suppliers, even if i'd sound like an idiot saying 'hello, i'm looking for some stiff yet flexible clear plastic that isn't too expensive!'. |
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