From: "David Leonard wdleonard@gmail.com" <flyrotary@lancaironline.net>
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Date: Mon, 16 Nov 2020 12:39:26 -0800
Message-ID: <CAOFHbnrMeAp5Uwk-hdT-bk+5oOAsFMyibJ3nxvsTkn4JuVUq5A@mail.gmail.com>
Subject: Need an EC2 control module for testing
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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Hi All,

I have just completed an engine rebuild.  This issue was caused by a crack
in the T2 exhaust manifold that melted a coolant line and a fuel line,
causing an engine fire.

I landed safely and had to rebuild the engine because the o-rings melted
from the coolant loss.

Im trying to get the new engine running again.  Compression is great, spark
is great and I have triple checked the timing.  I am getting some amount of
fuel but no combustion.  I have narrowed the problem down to a few possible
issues.

  During the rebuild I replaced the 5ohm potentiometer that controls the
mixture because the knob was broken off.  So I possibly mis-wired the
replacement potentiometer, it is not actually compatible, or I damaged the
board when I trimmed it to allow the new one to fit.  I wonder if anyone
has one lying around I could borrow to test this link in the chain.

Thanks
Dave Leonard
Turbo 13B RV-6
858-254-3357

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<div dir=3D"ltr">Hi All,<div><br><div>I have just completed an engine rebui=
ld.=C2=A0 This issue=C2=A0was caused by a crack in the T2 exhaust manifold =
that melted a coolant line and a fuel line, causing an engine fire.</div><d=
iv><br></div></div><div>I landed safely and had to rebuild the engine becau=
se the o-rings melted from the coolant loss.</div><div><br></div><div>Im tr=
ying to get the new engine running again.=C2=A0 Compression is great, spark=
 is great and I have triple=C2=A0checked the timing.=C2=A0 I am getting som=
e amount of fuel but no combustion.=C2=A0 I have narrowed the problem down =
to a few possible issues.</div><div><br></div><div>=C2=A0 During the rebuil=
d I replaced the 5ohm potentiometer that controls the mixture because the k=
nob was broken off.=C2=A0 So I possibly mis-wired the replacement potentiom=
eter, it is not actually compatible, or I damaged the board when I trimmed =
it to allow the new one to fit.=C2=A0 I wonder if anyone has one lying arou=
nd I could borrow to test this link in the chain.<br></div><div><br></div><=
div>Thanks</div><div>Dave Leonard</div><div>Turbo 13B RV-6</div><div>858-25=
4-3357</div></div>

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