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References: <list-4983048@logan.com>
To: flyrotary@lancaironline.net
Subject: Re: [FlyRotary] Re: Engine Tuning
Date: Fri, 13 May 2011 21:44:00 -0400
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Ed- I'm a little confused- the injector values go from -128 to +128. Do yo=
u mean +127? I'm going to jot down all the values I currently have in my=
 fuel map and post them here as soon as I get out to the airport again.

Brian Trubee






-----Original Message-----
From: Ed Anderson <eanderson@carolina.rr.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Fri, May 13, 2011 3:18 pm
Subject: [FlyRotary] Re: Engine Tuning


 Brian, what values do you have in your fuel map around 90-105?   I have=
 values of 172 for WOT and at times (cool OAT) I have to enrichen the mixt=
ure beyond that with the manual mixture control
=20
Ed




From: bktrub@aol.com=20
Sent: Friday, May 13, 2011 5:35 PM
To: Rotary motors in aircraft=20
Subject: [FlyRotary] Engine Tuning




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




----------MB_8CDDFEF8835CF91_1FA0_BD74F_webmail-m138.sysops.aol.com
Content-Transfer-Encoding: quoted-printable
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<font color=3D'black' size=3D'2' face=3D'arial'>
<div>Ed- I'm a little confused- the injector values go from -128 to +128.=
 Do you mean +127?&nbsp;I'm going to jot down all the values I currently=
 have in my fuel map and post them here as soon as I get out to the airpor=
t again.</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: Ed Anderson &lt;eanderson@carolina.rr.com&gt;<br>
To: Rotary motors in aircraft &lt;flyrotary@lancaironline.net&gt;<br>
Sent: Fri, May 13, 2011 3:18 pm<br>
Subject: [FlyRotary] Re: Engine Tuning<br>
<br>


<div id=3DAOLMsgPart_2_69204b25-4a5d-4e5e-b84f-874503a409df>

<div><FONT face=3DArial>&nbsp;Brian, what values do you have in your fuel=
 map around 90-105?&nbsp;&nbsp; I have values of 172 for WOT and at times=
 (cool OAT) I have to enrichen the mixture beyond that with the manual mix=
ture control</FONT></div>


<div><FONT face=3DArial></FONT>&nbsp;</div>


<div><FONT face=3DArial>Ed</FONT></div>


<div style=3D"FONT: 10pt Tahoma">

<div><br>
</div>


<div style=3D"BACKGROUND: #f5f5f5">

<div style=3D"font-color: black"><B>From:</B> <A title=3Dbktrub@aol.com hr=
ef=3D"mailto:bktrub@aol.com">bktrub@aol.com</A> </div>


<div><B>Sent:</B> Friday, May 13, 2011 5:35 PM</div>


<div><B>To:</B> <A title=3Dflyrotary@lancaironline.net href=3D"mailto:flyr=
otary@lancaironline.net">Rotary motors in aircraft</A> </div>


<div><B>Subject:</B> [FlyRotary] Engine Tuning</div>
</div>
</div>


<div><br>
</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>
<!-- end of AOLMsgPart_2_69204b25-4a5d-4e5e-b84f-874503a409df --></div>
</font>=3D

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