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Date: Sun, 19 Sep 2004 07:49:14 -0500
From: msteitle@mail.utexas.edu
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: Engine start
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Quoting John Slade <sladerj@bellsouth.net>:

> It IS running rich, so I tried changing the overall range with mode 3. As I
> lowered the mixture with 7 or 8 pushes the rpm came up a bit, then started
> to slow down again. At the best rpm the EC2 is showing slightly higher than
> center on the mixture. I tried switching off either set of coils and felt a
> degradation with either off. Disabling secondary injectors killed the
> engine. Primaries didn't make much difference. I checked compression. 105#
> on each rotor.
> 
> My next thought is to check that cold start is operating properly, but I'm
> pretty sure it is because the engine slowed down when I tried switching it
> on.
> 
> I spoke with Tracy and he suspects fuel, possibly a bad connection in the
> injector wiring, so tomorrow I'll rewire the entire injector circuit if
> necessary.
> 
> Thoughts anyone???
> 
> Frustrated in West Palm
> 

John,
Have you verified that your injectors are operating properly.  After sitting for
a long time they sometimes freeze up.  You can put some fuel pressure to them
and activate the solenoids with 12V and observe the spray pattern.  Be careful
with sparks.  Suggest you perform this test outside. 

Mark S.