Ken,
The reason that a direct flame causes concrete to "explode" is not the water
that it contains. It's the expansion of the concrete that has no place to
go but up.
Arthur
Mexico City
5, 2003 8:10 AM
> To: Multiple recipients of sslivesteam
> Subject: Re: 4-4-0 American "project"
>
> Ken Keith and all,
> I went the way Ken has planned but with a couple extras;
> The first is a sand bed, to hold odd shaped pieces (and not catch fire!).
>
Ken Keith and all,
I went the way Ken has planned but with a couple extras;
The first is a sand bed, to hold odd shaped pieces (and not catch fire!).
The second is two plastic tubs, one with Pickle solution and one with Baking soda and
water for cleanning and neutralizing.
All under the third, a
> The surface of the table is going to be made of fire bricks. Any
attempt to
> save $ would result in a potentially unsafe situation. Heating a
surface
> that contains moisture WILL result in an explosion. Concrete is in
this
> category and red-brick is too.
Hi Ken,
Glad to see this posting! I w
Cohen
Sent: Tuesday, November 04, 2003 11:11 PM
To: Multiple recipients of sslivesteam
Subject: Re: 4-4-0 American "project"
Ken,
Don't waste your time building a special table on which you can weld/braze.
An ordinary common red brick on top of anything will do and probably be
bet
Ken,
Don't waste your time building a special table on which you can weld/braze.
An ordinary common red brick on top of anything will do and probably be
better than anything you can dream up. What you have to be careful about is
that the pieces being brazed, silver soldered, together are clean, t
