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From: "Ed Anderson" <eanderson@carolina.rr.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-930049@logan.com>
Subject: Re: [FlyRotary] Re: Hobbs (was: TCP Doesn't Work?)
Date: Tue, 17 Jan 2006 14:36:59 -0500
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Thanks, Dale

Thanks, Dale.

Removing copper would not be of much use in this case.  So I'll look into 
Hoppes - thanks for the correction - PLUS and see if that would help my lead 
problem.

Ed

----- Original Message ----- 
From: "Dale Rogers" <dale.r@cox.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Tuesday, January 17, 2006 1:16 PM
Subject: [FlyRotary] Re: Hobbs (was: TCP Doesn't Work?)


> Ed Anderson wrote:
>
>> Thanks for the feed back, Perry.  The  lead fouling is the cause of our 
>> SAG, but with the stock plugs I used, I generally get 20 hours before SAG 
>> starts. But, as in your case, it will continue to get worst until you 
>> change spark plugs - did I ever tell you how many used spark plugs I have 
>> waiting for a good lead cleaning solution? {:>).  I fly mostly with 100LL 
>> and found that so long as I change the plugs ever 20-25 hours no SAG, 
>> might get to 30 hours, but Tracy reported gets close to 200 hours on a 
>> set of plugs using Mogas.
>>
>> Going to try some of this Hobbs #9 gun cleaning solution that I have 
>> heard removes lead and see if I can just soak them in it and get at least 
>> 40 hours off of a set.
>>
>> Sounds like a neat way to control the mixture on the stock auto CPU. 
>> Just put a potentiometer in the circuit and  ala! a mixture control.  Let 
>> us know how it works out.
>>
>>
>> Ed A
>
>
> Ed,
>
>   You might be a rather  l o n g  time finding it.  I can't find any
> web reference to it.
>
>   Now if you walk into your friendly local gun shop (including
> Wal-mart and KMart) you'll find a shelf full of gun care products
> from the Brunswick Corp., under the "Hoppe's" brand label.  What
> you're looking for is "bore solvent".
>   I don't know if it's any advantage in our application, but there is
> a relatively new variant of the Hoppe's #9 Solvent appended "plus" for
> black powder shooters.  It's probably just to neutralize the
> hygroscopic qualities of black powder, but #9's primary advantage over
> other bore solvents was it's ability to remove copper deposited by
> copper-clad bullets during their trip down the rifle bore.  Black
> powder shooters use straight lead bullets.
>
> HTH,
> Dale R.                       |      (___       |
> COZY MkIV-R13B #1254          |----==(___)==----|    Mesa, AZ 
> o/ | \o
> Ch's 4, 5, 9, 16 & 23 in progress
> http://www.canardzone.com/forum/showthread.php?t=1388
> http://canardaviationforum.dmt.net/showthread.php?t=1588
>
>
>
> --
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