[BProckets] Should I Sell Ceramic Milling Media on Ebay?

[DougK]

Dan,
I'm in Eastern PA...too close   8^)
Just kidding!
Doug

----- Original Message -----
From: "Dan Durachko" <DanDurachko at psu.edu>
To: "'Black Powder rockets discussion list'" <bprockets at amateurrocketry.com>
Sent: Friday, September 24, 2004 1:39 PM
Subject: RE: [BProckets] Should I Sell Ceramic Milling Media on Ebay?


> Thanks for the warning.  And I should mention I am relatively new to
> this hobby.  Still, it seems so unlikely that ceramic media would cause
> a spark that would ignite BP.  I ALWAYS use a blast enclosure and mill
> only small quantities.  Plus, who's to say some contaminant didn't sneak
> into the mix you mention?  I imagine there's not much evidence after
> such an incident to help determine the actual cause.
>
> Here's a question:  Are there *NOT* any documented incidents of mill
> explosions where brass, lead, or perhaps other media was being used?
>
> In closing, there are plenty of other activities I'd rather see banned
> in MY state other than a dedicated, safety-minded hobbyist milling some
> BP w/ceramic media.  :^)
>
> (Doug - if you're anywhere near central PA and hear a big bang please
> stop by and help me rebuild my blast enclosure.)
>
> Again, thanks for the heads-up.  It's much appreciated.
>
> Dan
>
> <SNIP>
>
> There is at least one documented incident where ceramic media was used
> in a ball mill (milling BP), that ball mill exploded.  It has been
> reported on both the PML and the r-BP lists.  It happened to a a very
> experienced Pyrotechnician, who adheres at all safely precautions.  If
> you intend to purchase and use ceramic media to mill BP, then make sure
> that it is done remotely, and not in my State!
> DougK
>
> <SNIP>
>
> > I would be interested in some and am very happy to hear what I'll now
> > consider the final debunking of the ceramic media sparking myth.  (I
> > read several seemingly valid online posts regarding the potential
> > hazards of ceramic media and felt safest making the assumption that
> > there was a possible problem.)
> >
> > My needs would be an amount appropriate for a Lortone 12 pound tumbler
> > or up to around twice that amount but I am in no great hurry to make
> the
> > purchase.
>
> _______________________________________________
> BProckets mailing list
> BProckets at amateurrocketry.com
> http://exrocketry.net/mailman/listinfo/bprockets