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Sounds like it could work as long as it doesn't collapse on itself. The only traffic cones I have seen are fairly "floppy" i.e. soft when you run over them with a car they bounce back into shape. The blue barrel I have my dust deputy installed on collapsed on me this morning. Turns out I had a clogged vacuum hose. I emptied it reversed the hoses and Blew it back into shape. Made a mess but was able to keep on working in no time.
 

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Suggest you reinforce it with chicken wire or wirescreen. We have done this onboard ship long time ago in installing blower filters to trap soots and carbon. The screen wires may not be available or expensive from your end but it can be replaced by plastic containers that are drilled with holes.
 

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The key to using a soft cone like that would be in thiniking inside the can rather than out. Putting the cone outside the can like a "dust deputy" means that the cone has to support the fittings and stand up to low pressure inside the cone with high pressure (normal air pressure) outside the cone. It is a recipe for collapse.

However, if the cone is actually inside the vaccum chamber, then the pressures are more or less the same … well except for a bit of bernoulli effect from the moving air in the cone. Consider putting the cone inside the can and using a taller can … so instead of putting it on top of a 5 gal bucket… consider a tall metal garbage can like are usually used in public bathrooms. Then the can supports all the weight of the hoses in and out, while the cone just does its job of funneling and spinning the air.
 

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Discussion Starter · #8 ·
Thanks Everybody, I think what I'm going to try, is to use a traffic cone as a mold and rap it in aluminum foil then fiberglass it really heavily, I think a 1/4 inch of fiberglass should be plenty strong enough and i should be able to do it for about 20.00 I think. Of course like alot of the things I've experimented with the only real advantage is to serve as a warning to others????!?
 

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Not to be a downer, but isn't this an awful lot of work to avoid buying a Dust Deputy? It's only $60.

Getting good separation is more than just hanging any-shaped cone out there. The geometry is important, as well as the inflow point/angle. You're likely to invest a lot of time and more money than you expect into something that doesn't work all that well.
 

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I think it might be too flimsy. i used a tea pitcher for mine! haha if you look at my workshop pics you can see a photo of my seperator i built under my tablesaw. So yes, it can work but i think a road cone would be difficult to use
 

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Discussion Starter · #12 ·
WoodNerd, I and alot of my friends are DIYers and sometimes we succeed and sometimes we don't, but we always learn something and sometimes what we learn is that we would be better off buying a product and sometimes we learn that capitolism is just out to bilk us out of money!
 

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"Not to be a downer, but isn't this an awful lot of work to avoid buying a Dust Deputy? It's only $60."

Sometimes the point of a journey is not to arrive. Looks like he's got a couple of kids that will learn far more from seeing the invention take shape than they will from seeing him open his wallet.
 
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