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References: <list-4983065@logan.com>
To: flyrotary@lancaironline.net
Subject: Re: [FlyRotary] Re: Engine Tuning
Date: Fri, 13 May 2011 20:34:04 -0400
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92 13BREW, normally alspirated, it has 28 lb primaries and 40 lb secondari=
es- That's what it came with.

Brian Trubee






-----Original Message-----
From: Tracy <rwstracy@gmail.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Fri, May 13, 2011 3:48 pm
Subject: [FlyRotary] Re: Engine Tuning


Brian,
   What engine are you using?  2nd gen, Renesis, etc.


Tracy

Sent from my iPad

On May 13, 2011, at 5:35 PM, bktrub@aol.com wrote:





Since the weather has been cooperating lately, I've had the opportunity to=
 put a few more hours on the airplane. On the ground, I can go from an idl=
e up to full throttle and the engine will be smooth. But when I take off,=
 it seems that as soon as I'm up a few hundred feet off the runway, I get=
 hellacious backfiring at full throttle. I can mitigate it a bit by thrott=
ling back to about 5100 rpm, and turning the mixture knob to near full ric=
h. It's getting to be a bit nerve wracking to take off thinking I've got=
 it smoothed out and then get a series of hand grenades going off under my=
 butt. I'm thinking that I'm still running too lean up at map address 106=
 or so. So, I go into the edit page and richen up the mixture around those=
 addresses. I think I'm creeping up on smooth full throttle running.
=20
The good news is that my coolant runs at 175 degrees and oil at less- so=
 the cooling is more than effective, I just need to close up my air inlet=
 a bit or restrict the outflow.
=20
Brian Trubee





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Content-Transfer-Encoding: quoted-printable
Content-Type: text/html; charset="us-ascii"

<font color=3D'black' size=3D'2' face=3D'arial'>
<div><FONT face=3D"Arial, Helvetica, sans-serif">92 13BREW, normally alspi=
rated, it has 28 lb primaries and 40 lb secondaries- That's what it came=
 with.</FONT></div>


<div>&nbsp;</div>


<div>Brian Trubee<br>
<br>
</div>


<div style=3D"CLEAR: both"></div>
<br>
<br>


<div style=3D"FONT-FAMILY: arial,helvetica; COLOR: black; FONT-SIZE: 10pt"=
>-----Original Message-----<br>
From: Tracy &lt;rwstracy@gmail.com&gt;<br>
To: Rotary motors in aircraft &lt;flyrotary@lancaironline.net&gt;<br>
Sent: Fri, May 13, 2011 3:48 pm<br>
Subject: [FlyRotary] Re: Engine Tuning<br>
<br>


<div id=3DAOLMsgPart_2_317bffc7-5502-4218-b3d3-16517e7ccf4a>

<div>Brian,</div>


<div>&nbsp;&nbsp; What engine are you using? &nbsp;2nd gen, Renesis, etc.<=
/div>


<div><br>
</div>


<div>Tracy<br>
<br>
Sent from my iPad</div>


<div><br>
On May 13, 2011, at 5:35 PM, <A href=3D"mailto:bktrub@aol.com">bktrub@aol.=
com</A> wrote:<br>
<br>
</div>


<div></div>

<BLOCKQUOTE type=3D"cite">

<div><FONT color=3Dblack size=3D2 face=3Darial>

<div><br>
Since the weather has been cooperating lately, I've had the opportunity to=
 put a few more hours on the airplane. On the ground, I can go from an idl=
e up to full throttle and the engine will be smooth. But when I take off,=
 it seems that as soon as I'm up a few hundred feet off the runway, I get=
 hellacious backfiring at full throttle. I can mitigate it a bit by thrott=
ling back to about 5100 rpm, and turning the mixture knob to near full ric=
h. It's getting to be a bit nerve wracking to take off thinking I've got=
 it smoothed out and then get a series of hand grenades going off under my=
 butt. I'm thinking that I'm still running too lean up at map address 106=
 or so. So, I go into the edit page and richen up the mixture around those=
 addresses. I think I'm creeping up on smooth full throttle running.</div>


<div>&nbsp;</div>


<div>The good news is that my coolant runs at 175 degrees and oil at less-=
 so the cooling is more than effective, I just need to close up my air inl=
et a bit or restrict the outflow.</div>


<div>&nbsp;</div>


<div>Brian Trubee<br>
</div>


<div style=3D"CLEAR: both"></div>
</FONT></div>
</BLOCKQUOTE></div>
<!-- end of AOLMsgPart_2_317bffc7-5502-4218-b3d3-16517e7ccf4a --></div>
</font>

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