h a l f b a k e r yMy hatstand runneth over
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Easy to make, an enclosed burner with a hole at the top into which you stick your lit cone incense. A flexible diaphragm on the underside has a motorized rotating cog that flexes and releases the diaphragm causing it to blow smoke rings.
You could make them out of ceramic and have them in the shape
of characters like the man in the moon blowing smoke rings for instance.
One idea for the shape
http://imgs.steps.d..._000000007021_3.jpg
Only blowing rings unlike the illustration [doctorremulac3, Sep 21 2014]
Here's the basic idea of what I'm thinking of.
http://cache4.asset...CDOR%7C00%7C128&s=1
With smoke rings of course [doctorremulac3, Sep 21 2014]
2 loop torus
http://thumb9.shutt...n-gold-69810808.jpg
Possibly stable? But probably impossible to generate... [neutrinos_shadow, Sep 21 2014]
Leapfrogging vortices
http://youtu.be/0LP-MgrXtIM
Theoretically stable [EnochLives, Sep 22 2014]
Chimney_20Smoke_20Art_20Work
same thing, but on a larger scale [xenzag, Sep 22 2014]
hooka
http://www.youtube....watch?v=8hEGBvkKPR8
how to blow smoke [popbottle, Sep 24 2014]
[link]
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Really? Cause I'll make one. I'm looking for a fun sideline product to sell on line made with my... |
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3d printer that I just bought! |
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I can make on with a 3d modeler, print the piece, pour a plaster mold around it and pour ceramic in, then attach the little mechanism. |
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I could see people buying these in little nick-nack shops. You'd leave one running to get attention. |
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If I really make one I'll post a picture. Looking for something, anything, to make with my 3d printer when it arrives. |
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+ Cool idea! Make it and they will buy it. |
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Why stop at circular smoke rings? Perhaps square
ones, or star shapes? |
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Is such wizardry possible? 'Cause if so done and done. |
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If you can't have flames, smoke is the next best thing. [+] |
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The easiest smoke-ring makers have large-diameter holes for the
smoke to come out (about the size of the ejected ring.) I dunno
anything about small-diameter smoke-ring generators, like that
puckered-lip moon. |
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I suspect you'll need a smoke-mixing fan in the body of the thing, or
maybe baffles to spread the smoke evenly. Or just a good inhale after
each ring. |
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No, no shapes but rings are stable. Unless you are Sir Ian McKellen
playing Gandalf. |
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I'd like a dolphin, please. [+] |
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Me too, but I couldn't eat a whole one. |
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Incidentally, I am pretty sure that a figure-8 smoke
ring ought to be stable. |
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Figure 8? Not so sure, [MaxwellBuchanan]. Self intersecting for a start, and the change of direction "along" the figure 8 would screw up the poloidal rotation. Ring vortices are very cool, but pretty much the only shape I can think of that will work.
(..more thinking...)
If your "figure 8" was twisted in on itself (linky) and "stretched" vertically somewhat to get rid of the proximity of the overlappy bits, it might work... |
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I love this. It would be a welcome addition to my incense line-
-up. |
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[MB], I don't think a figure-8 is stable in the way you
meant, but if the two vortices have the correct kinematic
properties, they can be _dynamically_ stable, at least in
theory [link]. |
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//_dynamically_ stable // |
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// I don't think a figure-8 is stable in the way you
meant// I was actually thinking of a twisty figure-8
(without an intersection), sort of like
[neutrinos_shadow] percepticatiously described. |
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Now there's an idea. Or at least a smoke helix. The
foremost end of the helix would be unstable, but the
remainder of it should be stable. You'd have a sort of
spring shape, moving forward but with the front end
buckling. |
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//percepticatiously//
I had to look that one up. |
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Which didn't help...
Have you been dipping your hand into the Scrabble bag again? |
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Make it a gun for elephants. |
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