Mike's book (was Re: [TheForge] FW: Didymium? I say "no way.")

[Justin Fellenz]

Mike,

Thanks for all the great information about safety. Suonds like Kent
White's glasses and the Auralens units are pretty much the answer.
Expensive, yes, but a hundred bucks for long term vision is cheap. Did
I get that bottom line right?

The note below brings up another question worthy of your knowledge. I
have a cheap harbor freight auto darkening welding helmet. I wonder if
there is a difference in protection between that and the much more
expensive good-brand units. Mine has an adjustable response time and I
don't notice a lot of welder's flash after a day of welding (I just
became aware of the dangers of reflected light inside the helmet--that
I've gotten flash from). I accept that the cheap ones are nowhere near
as durable as the good ones, but I can buy and break 4 HF ones for the
cost of a good one. If the protection's no good, though, they're
worthless if they pay me to haul em away.

JRF

--- Gabriel Cain <gabriel at dreamingcrow.com> wrote:

> 
> Mike,
> 
> I for one found your designs very useful; I'm using your 1" 
> forge/furnace burner design in my forge, and it is quite effective.
> 
> My forge is a cast satanite in 11" of O2 cylinder.  The volume of it
> is 
> about 190 cubic inches.  It reaches a useable saturated heat in about
> 20 
> minutes at about 10 psi.   I peak out around a bright yellow.  No 
> welding heat, tho.
> 
> I use a auto-darkening hood for my mig welding; a lincoln SP-135T.
> 
> 
> -- 
> Gabriel Cain						       President
> Dreaming Crow Services				gabriel at dreamingcrow.com
> Mobile 	425-418-8166				           P.O.Box 15605
> Fax  	206-774-6416				       Seattle, WA 98115
> 
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