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Re: [BRHSlist] Sheridan's 05- asbestos

To: <BRHSlist@yahoogroups.com>
Subject: Re: [BRHSlist] Sheridan's 05- asbestos
From: "Karl L Rethwisch" <karlre@r...>
Date: Thu, 29 Mar 2001 10:26:12 -0700
References: <20010329150918.32018.qmail@w...>
There is a wide selection of non-A fiber materials that work well at keeping 
the heat in the boiler. It's unfortunate, however, that none of these materials 
have as good an "R" rating as the original. Progress ??

Karl
-------------------------------------------------------------------------------------
----- Original Message ----- 
From: Steve Wintner 
To: BRHSlist@yahoogroups.com 
Sent: Thursday, March 29, 2001 8:09 AM
Subject: Re: [BRHSlist] Sheridan's 05- asbestos



--- Robert Yarger <ryarger1@n...> wrote:
> Asbestos lagging (it is actually only partly
> asbestos) should be removed
> from display locomotives because it absorbs and
SNIP
> time. Complete removal of the lagging material is a
> much better route to
> go, so long as the jacket sections are carefully
> numbered, removed, cleaned
> and reinstalled over wood or styrofoam replacement
> lagging (for
> non-operating engines). Before jacket removal the
> thickness of the old
> lagging must first be measured at numerous locations
> on the boiler and
> "mapped", so the replacement "lagging" (actually
> just a spacer between the
> boiler and jacket, which permits air to circulate)
> can be cut to the proper
> thickness. If the jacket is too badly rusted to
SNIP
> 
> Bob Yarger, Editor
> Railway Preservation News (website)
> www.rypn.org

Out of curiosity - what replacement lagging would you
use during a rebuild to working status ? Can you still
get asbestos, or is there something else that'll turn
the trick ?



=====
-Steve Wintner
"well alas we've seen it all before
knights in armour, days of yore
the same old fears and the same old crimes
we haven't changed since ancient times"
-Dire Straits

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