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Message-ID: <5cf132c0812200244o596872qbe54cb2e5f854f39@mail.gmail.com>
Date: Sat, 20 Dec 2008 04:44:47 -0600
From: "Mark Steitle" <msteitle@gmail.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: engine preservation
In-Reply-To: <list-3374437@logan.com>
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References: <list-3374437@logan.com>

Greg,
A while back I bought a 20B, for a spare.  I was warned ahead of time
that it didn't have any compression and needed rebuilding.  I squirted
liberal amounts of ATF into each of the intakes, making sure I got it
to all 3 chambers.  I figured that the ATF would help soften the
carbon deposits on the rotors, making them easier to clean during
rebuild.  In the interim, I will crank it through a few times about
once a month and add some more ATF.  It now "puffs" like it should,
but maybe not as strong as a new engine, but it sounds healthy enough
to run.  I just assumed it was due to the fact that it had the help of
the ATF to get the apex seals to seal a little better.  Im still
planning on going through this engine some day, but I'm tempted to
hook it up on a test stand to see how it runs before tearing it down.

Mark

On 12/20/08, George Lendich <lendich@optusnet.com.au> wrote:
> Ed,
> Did you know about this before?
> George (down under)
>   ----- Original Message -----
>   From: Greg Ward
>   To: Rotary motors in aircraft
>   Sent: Saturday, December 20, 2008 11:54 AM
>   Subject: [FlyRotary] Re: engine preservation
>
>
>   I just read a great article on running ATF through the Rotary, supposedly
> to loosen up the apex seals, etc. (high detergent level).  Raves on about
> having done this multiple times in many engines, and supposedly power
> increases of up to 20% +.  Anybody done this?  Results?
>   Thanks;
>   Greg Ward
>   Lancair 20B N178RG in Progress
>     ----- Original Message -----
>     From: John Downing
>     To: Rotary motors in aircraft
>     Sent: Friday, December 19, 2008 5:35 PM
>     Subject: [FlyRotary] engine preservation
>
>
>     Lynn, thanks for the heads up on the engine.  Even though it is in a
> heated garage with hot water heat in the floor, I pulled the plugs and put
> oil in each rotor cavity and rolled it over 8 revolutions and duct taped the
> exhaust.  That should even oil the muffler bearings when I start it again.
> JohnD