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Date: Thu, 14 Jul 2011 06:20:07 -0500
Message-ID: <CAHh3jbOUaNPgYq1JFDbm_=dviWDUmORm3HJyekUx2nikig_VmA@mail.gmail.com>
Subject: Re: [FlyRotary] High speed stumble continues
From: Mark Steitle <msteitle@gmail.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Content-Type: multipart/alternative; boundary=0015174c406619789804a805b7b8

--0015174c406619789804a805b7b8
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Brian,

Do you know anyone that would let you borrow their EC-2 to try?  You want
one configured for the old style CAS.  This is what I did and it confirmed
that the CAS was causing my problems (same as yours).  I finally gave up on
the crank-mounted CAS and went back to the original style CAS.  No more high
rpm mis-fires.

Mark S.

On Wed, Jul 13, 2011 at 9:20 PM, <bktrub@aol.com> wrote:

> I just installed the Magnecor wires, put on a smaller prop, re-routed the
> CAS sensor wires to a location further away from the secondary igntion
> leads, and ran up the engine. No joy- I still get lots of misfiring above
> 5200 RPM. Wondering if the issue might be with my EC2.
> I still have questions about how my CAS is wired, on the 13BREW the CAS is
> next to the trigger wheel, it consists of two hall effect sensors, one to
> count every 30 degress,and one that counts every 360 degrees. The EC2 has
> three wires going out to the CAS- one to provide voltage to both sensors,
> and one wire each (#22  &  #23 ) to read each sensor. My question is- is
> polarity a possible issue with hall effect sensors?
>
> Also, does the EC@ fire both leading and trailing plugs simultaneously?
>
> Brian Trubee
> Grounded until further notice
>
>
>

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Brian,=A0<div><br></div><div>Do you know anyone that would let you borrow t=
heir EC-2 to try? =A0You want one configured for the old style CAS. =A0This=
 is what I did and it confirmed that the CAS was causing my problems (same =
as yours). =A0I finally gave up on the crank-mounted CAS and went back to t=
he original style CAS. =A0No more high rpm mis-fires. =A0</div>
<div><br></div><div>Mark S.<br><br><div class=3D"gmail_quote">On Wed, Jul 1=
3, 2011 at 9:20 PM,  <span dir=3D"ltr">&lt;<a href=3D"mailto:bktrub@aol.com=
">bktrub@aol.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote"=
 style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<font color=3D"black" size=3D"2" face=3D"arial">
<div>I just installed the Magnecor wires, put on a smaller prop, re-routed =
the CAS sensor wires to a location further away from the secondary igntion =
leads, and ran up the engine. No joy- I still get lots of misfiring above 5=
200 RPM. Wondering if the issue might be with my EC2.<br>

I still have questions about how my CAS is wired, on the 13BREW the CAS is =
next to the trigger wheel, it consists of two hall effect sensors, one to c=
ount every 30 degress,and one that counts every 360 degrees. The EC2 has th=
ree wires going out to the CAS- one to provide voltage to both sensors, and=
 one wire each (#22=A0 &amp;=A0 #23 ) to read each sensor. My question is- =
is polarity a possible issue with hall effect sensors? </div>



<div>=A0</div>


<div>Also, does the EC@ fire both leading and trailing plugs simultaneously=
?</div>


<div>=A0</div>


<div>Brian Trubee</div>


<div>Grounded until further notice<br>
<br>
<br>
</div>


<div style=3D"clear:both"></div>
</font>
</blockquote></div><br></div>

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