[TheForge] Gun Burners (AKA fan blown)

[robert hensarling]

Thanks Chuck, learned a few things there.  BTW the guy that carries the 
"Bubble Alumina" is Darren Ellis
www.elliscustomknifeworks  He sure has good prices on Kaowool and other 
forge type stuff, including he builds several models of forges.  I'm in no 
way part of his business (well, maybe I am, I've spent enough there :o), but 
he has lots of accessories for building forges and the like.  May be worth 
looking at.
The one thing I didn't understand in your post was the term "S shell"??
Robert

----- Original Message ----- 
From: "Chuck Robinson" <robi5515 at bellsouth.net>
To: "Sponsored by ABANA" <theforge at mailman.qth.net>
Sent: Sunday, April 29, 2007 7:36 PM
Subject: Re: [TheForge] Gun Burners (AKA fan blown)


> Hey Robert,
> The Fogg style bird cage is the most efficient forge I have used.
> I helped build about 30 of them and they are easy to fabricate.
> You will easily make welding heat. Just make sure when you build it that 
> the billet opening is at least 10-12" above the burner opening. This gives 
> the gas air mixture time to completely burn. It also cuts down on scale.
> I  toss in a few chunks of metrological grade coke every 20 minutes or so, 
> to scavenge any extra oxygen.
> When you put the forge top cap on. drill several holes just slightly 
> larger than the diameter of a 1" dry wall screw in the cap, spaced evenly 
> .
> Then dip the screws in a wet satenite slurry and screw them thru the top 
> in to the top piece of inswool.
> The satenite will set up with the first heat and lock the wool to the 
> metal top.
> Also cut the wall insulation oversize to insure no hot spots when you fire 
> up.
> One of the things I like about a S shell is that you can easily see any 
> areas that need additional insulation.
> I like to cast a 2" floor in the forge with Castolite or Mizou, makes it 
> much more flux resistant
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