Mailing List flyrotary@lancaironline.net Message #23755
From: George Lendich <lendich@optusnet.com.au>
Subject: Re: [FlyRotary] Re: Engine Not Starting
Date: Tue, 14 Jun 2005 08:58:14 +1000
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Kelly,
I'm guessing that once the engine has started it can be stopped and the old
plugs reused - or are they stuffed!
George ( down under)

> Bob,
>    You have just experienced one of the strange quirks of the 13B rotary
> engine........After flooding it most often will not start without new
> plugs
> even if the original plugs are very new and have been cleaned and dried
> and the engine cranked to purge excess fuel !!
> --
> Kelly Troyer
> Dyke Delta/13B/RD1C/EC2
>

The only mechanism I can see for this is that a film of carbon bearing
'stuff' is left on the ceramic part of the plug.  I know an old guy that
has always baked bad plugs to get more life out of them.  I mean that
literally.  He would bake them at 350 for about an hour in his kitchen
oven.  No, I would never eat at his house (this being only one of many
reasons).  Has anyone tried baking the plugs do possibly drive off any
possibility of a film?

--
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