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Date: Wed, 06 Apr 2005 22:40:43 -0400
From: Ernest Christley <echristley@nc.rr.com>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: Heat Shielding Materials
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Ed Anderson wrote:

>Welcome, Bob.
>
>Dog food can will work just as well {:>)
>
>By the way, I happened to notice while drooling over a machine tool catalog
>that they make a stainless steel foil about the same thickness as common
>aluminum foil.  They apparently wrap metal in it when heat treating it to
>keep carbon scale from forming, so it must be pretty crunchable to be able
>to do that.  Trouble is its a bit expensive and they only sell it in 50 ft
>rolls.
>
>Anybody have any experience with this stuff in their lives as a machinist?
>
>Ed A
>
>  
>
Ed, McMasterCarr has this stuff and you can get it in smaller quantities.

Page 3450 of the online catalogue.  A 10ft roll, 12in wide is $20.56

You can also get SS bags and nickel foil in various thickness.

I think the bags would be neat.  Slide in a piece of fiberfrax, and glue 
it to the spot to be protected.  A 10in by 12in bag is $8.13

-- 
This is by far the hardest lesson about freedom. It goes against
instinct, and morality, to just sit back and watch people make
mistakes. We want to help them, which means control them and their
decisions, but in doing so we actually hurt them (and ourselves)."