Mailing List flyrotary@lancaironline.net Message #65265
From: Matt Boiteau mattboiteau@gmail.com <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: Rebuilt and stuck apex seal
Date: Tue, 01 Oct 2019 18:43:52 -0400
To: Neil Unger 12348ung@gmail.com <flyrotary@lancaironline.net>
It was just rebuilt and cleaned, only fired it up a few times to clean out all the building lubricants. But could tell right away just turning the prop by hand, that I had a stuck seal. Its not on the tip end, but rather more the solid piece of apex seal. I have been spraying it all day, it's nice to be P-ported to actually be able to touch and move them. I must of screwed up somehow this time around.

When I first built the engine, I went with the RX8 master rebuild kit from Rotary Aviation that includes their RA super seals, and cut to length side seals. I think I'll go back to stock OEM apex seals, and side seals using the OEM lettering. I'll see tonight after tearing it apart again.



- Matt Boiteau

On 2019-10-01 5:45:41 PM, Neil Unger 12348ung@gmail.com <flyrotary@lancaironline.net> wrote:

Mat,

                  Really out of my territory, but I have heard that a
spray and soak with  "carby cleaner" and left overnight may loosen the
stuck seal.  JUst passing on the gossip!  Neil.

On 10/2/2019 2:44 AM, Matt Boiteau mattboiteau@gmail.com wrote:
> I've rebuild the RX8 after it overheated on the ground. One apex seal
> is not springy anymore after i fired it up. They were all springy
> after rebuild. I can physically touch the seal since I'm p-ported.
>
> Any hints before I tear it apart again? I warmed up the engine a few
> times, so any superglue should of been burned off.
>
> - Matt Boiteau

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