Re: [ATM] glass blank

[DHA352@aol.com]

Jerry,
    You are not alone I plan the same thing but with a  kiln.  Why not look 
for firebricks and kiln "furniture."  Your  energy and material would be 
"free."  One question, how do you plan to  anneal the glass?  I like the idea, but 
annealing would be a problem.
 
Don
 
 
In a message dated 11/24/2004 10:54:46 PM Eastern Standard Time,  
JBHillman@ev1.net writes:

Hi  Everyone,
I have been scoffed at each time I bring this up, but after  reading some
posts from 1995 in the archives about melting glass to cast  blanks I have to
bring it up again.
What can I use to put glass in to  melt it?  I thought about a steel
container but doesn't steel melt  sooner than glass?
Here is my project.
I have a wood pile that I am  going to burn.  I have determined that I can
build a small fire that  will melt a beer bottle.  This woodpile has about 40
tons of wood in  it.  It is as half as large as my three bedroom house.
I throw away a  dozen beer bottles a week.  Given enough time, I could
collect enough  beer bottles to make a good sized blank. (24" x  4" thick.
No more  thin mirrors for me.)
I could bury the mold full of glass inside this  immense pile of wood and
burn the wood.
>From previous burned wood  piles, I know the temperature will get high enough
to melt glass. I also  know it will take about two or three weeks to
completely cool  off.

The only thing that has kept me from trying this is I don't have a  mold for
the blank.  The only cost to this project is the mold.   I buy the beer
anyway, and I already have the wood.  Labor is free  considering it is my own
time I would be investing.  Of course, if I  succeed, then I'll have to build
a mirror grinding machine to actually make  the mirror.

Anyone have any suggestions for a mold that will stand up  to this?

Clear  skies,
Jerry

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