[Phys-L] Re: Make and Take Ideas

[Bill Reitz <wreitz@NEO.RR.COM>]

After demonstrating a flame tube at a teacher workshop, one of the
teachers returned after a weekend to show off his copy of my tube. His
worked well except for one thing - he forgot to put a dam between the
end of the tube and the speaker. Of course, gas permeated the paper
cone. All that happened was the cone caught fire & burned through. We
shut off the gas as soon as the fire at the cone was seen.   So, yes,
there could be consequences to your showing/ helping teachers make such
a device. Luckily that time they were minimal.


Stuart Leinoff wrote:

> Last year we conducted a "Make and Take" workshop for area high school physics
> teachers to build a flame tube from an aluminum down spout.
>
> I would be happy to share the design plans, but I am a little concerned about
> the liability issues.
>
> I have used my flame tube successfully for over twenty years, both with LP and
> natural gas.  Still, I don't know what might go wrong if someone else builds a
> leaky one, and I certainly do not want to be held accountable.
>
> They do make a great demonstration, though.
> --
> Stuart Leinoff
> Professor of Physics
> Adirondack Community College
> (518) 743-2256
>
>
>
>
>
>
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