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Date: Sat, 20 Dec 2008 19:22:35 -0600
From: Charlie England <ceengland@bellsouth.net>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: engine preservation
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I drove one for a couple of years that had sticking seals. ATF was 
effective in getting it cranked (got pretty good at doing it fairly 
quickly) & don't remember waiting overnight. I always assumed that it 
just supplied enough extra oil to get the compression up enough to crank 
& run, after which the seal(s) would loosen up enough for the engine to 
start & run normally for a few months/weeks/days.

Charlie

Ed Anderson wrote:
>
> Greg, using ATF is a “common” method of freeing up stuck Apex seals. 
> When left sitting for long periods, people who owned older RX-7s would 
> go out one morning and attempt to start their autos. They would hit 
> the ignition and the engine would wiz over with no compression. A 
> number decided that the *&@) engine was shot and practically give a 
> way the auto and engine.
>
> Pull a spark plug from each chamber, pour in some ATF, Marvel Mystery 
> oil, WD-40 or your favorite light weight oil , let it sit a while 
> (over night seemed to be the most common waiting period) and the next 
> morning – Zooooommmmmmm!! Compression and a running engine.
>
> So for old engine or engines with worn or stuck seals, a fluid like 
> ATF may help compression at lower rpm and assist in starting, I doubt 
> very seriously they would do anything for you at higher rpm. But, 
> someone like Lynn could enlighten us all about this “urban myth”.
>
> Ed
>
> Ed Anderson
>
> Rv-6A N494BW Rotary Powered
>
> Matthews, NC
>
> eanderson@carolina.rr.com
>
> http://www.andersonee.com <http://www.andersonee.com/>
>
> http://members.cox.net/rogersda/rotary/configs.htm#N494BW 
> <http://members.cox.net/rogersda/rotary/configs.htm>
>
> http://www.dmack.net/mazda/index.html
>
> ------------------------------------------------------------------------
>
> *From:* Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] 
> *On Behalf Of *Greg Ward
> *Sent:* Friday, December 19, 2008 8:54 PM
> *To:* Rotary motors in aircraft
> *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 <mailto:downing.j@sbcglobal.net>
>
>     *To:* Rotary motors in aircraft <mailto:flyrotary@lancaironline.net>
>
>     *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
>
>
>
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