Mailing List flyrotary@lancaironline.net Message #29760
From: Bob White <rlwhite@comcast.net>
Subject: Re: [FlyRotary] Re: Copper seal recovery
Date: Thu, 26 Jan 2006 09:08:03 -0700
To: Rotary motors in aircraft <flyrotary@lancaironline.net>

On Thu, 26 Jan 2006 00:31:28 EST
WRJJRS@aol.com wrote:

>  
> In a message dated 1/25/2006 8:22:11 PM Pacific Standard Time,  
> rlwhite@comcast.net writes:
>
> He told  me I could rejuvenate the old one by heating it red
> hot with a torch, then  quenching it in water.  He said he hadn't bought
> a new one in  years.
>
>
>
> Bob,
>  The technique described is ok, but you will have better luck simply  
> allowing the copper to cool in air rather than quenching it. That gives a better  
> annealing and does work fine. I remove the scale created with a Scotchbrite  pad.
> Bill Jepson
>
Hi Bill,

Tht makes sense now that I think about it.  Quenching is used to harden
a material in general.  If it still leaks, I'll air cool it.

Bob W.

--
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N93BD - Rotary Powered BD-4 (first engine start 1/7/06)
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