X-Virus-Scanned: clean according to Sophos on Logan.com From: "Bobby J. Hughes" Received: from [207.91.159.28] (HELO barracuda.qnsi.net) by logan.com (CommuniGate Pro SMTP 6.1.13) with ESMTP id 9245427 for flyrotary@lancaironline.net; Wed, 07 Dec 2016 15:14:04 -0500 Received-SPF: pass receiver=logan.com; client-ip=207.91.159.28; envelope-from=btv1==149c3ac7613==bhughes@qnsi.net X-ASG-Debug-ID: 1481141621-0276453b526a180001-fw4j19 Received: from mail.qnsi.net ([10.0.0.5]) by barracuda.qnsi.net with ESMTP id ncXRX8zZddOZwDgS for ; Wed, 07 Dec 2016 14:13:41 -0600 (CST) X-Barracuda-Envelope-From: bhughes@qnsi.net X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message Return-Receipt-To: "Bobby J. Hughes" MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01D250C6.6721BD5F" Disposition-Notification-To: "Bobby J. Hughes" Subject: [FlyRotary] Gonna be a lean year or which way do I lean Date: Wed, 7 Dec 2016 14:13:40 -0600 X-ASG-Orig-Subj: [FlyRotary] Gonna be a lean year or which way do I lean Message-ID: <74120FDE88CAFE4DBDA8814BCE20A3F3BF20F4@qnsi-mail.qnsi.net> X-MS-Has-Attach: X-MS-TNEF-Correlator: thread-topic: [FlyRotary] Gonna be a lean year or which way do I lean thread-index: AdJQxGlo0NI+ISHiRTSORwWmyfO6jgAAU2xg To: "Rotary motors in aircraft" X-Barracuda-Connect: UNKNOWN[10.0.0.5] X-Barracuda-Start-Time: 1481141621 X-Barracuda-URL: http://10.0.0.4:8000/cgi-mod/mark.cgi X-Barracuda-BRTS-Status: 1 X-Virus-Scanned: by bsmtpd at qnsi.net X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using global scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=1000.0 tests=HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.35005 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 HTML_MESSAGE BODY: HTML included in message This is a multi-part message in MIME format. ------_=_NextPart_001_01D250C6.6721BD5F Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable =20 Rich, =20 A wideband O2 meter is your best friend. Get a PLX device O2 if you don't have one. It will support Wideband or Narrow Band outputs to your EC3.It will shorten you tuning time and give you a hard number to look at during tuning and flight operations. =20 These are my power settings and EGT's. EGT location makes a big difference. EGT numbers are ball park with probes located 2.5" -3" from header. =20 =20 Take off Power - Target 12:7:1 F/A - EGT typically under 1675F at 38"MP / 7000 rpm. Best Power - target 13.5:1 F/A -EGT's typically under 1600F below 30" MP Complete fuel burn- target 14:7:1 - Produces hottest EGT's . I have seen up to 1700 F+ at high power settings at less than 30" MP so be careful. Lean operation with power loss - Target 15.8:1 or lower. Power drops dramatically. I see EGT's between 1475F and 1525 F depending on engine rpm. =20 Stay away from 14:7:1 F/A except for ground and low power flight.=20 =20 Bobby Hughes =20 =20 =20 From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]=20 Sent: Wednesday, December 07, 2016 1:59 PM To: Rotary motors in aircraft Subject: [FlyRotary] Gonna be a lean year or which way do I lean =20 =20 =20 Greetings fellow roteryophiles. =20 I am about to overhaul my renesis and in an effort not to destroy the thing, as I use it, I have a leaning question. =20 It is normally aspirated with an RD1-C box =20 Using Tracy's EC-3 (or is it the em or rc-- whatever) what is a safe leaning procedure.=20 =20 Is it suggested to run these things LOP, ROP O(n)P or just go for smoothness at any fuel burn? =20 My understanding is to run the beast full throttle and control the power output by the RPM (IVO prop--ughish) =20 =20 Of course my concern is with detonation and destruction of the apex seals since they, at certain parts of the rotation, from my reading, show a longer face to the chambers. =20 Someone, please help me so I don't have to restrict my carnivorous activities to "lean" meat. =20 Thanks =20 Rich=20 ------_=_NextPart_001_01D250C6.6721BD5F Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

 

Rich,

 

A wideband O2 meter is your best friend. Get a PLX device O2 if you don’t have one. = It will support Wideband or Narrow Band outputs to your = EC3.It will shorten you tuning time and give you a hard number to look at = during tuning and flight operations.

 

These are my power settings and EGT’s. EGT location = makes a big difference.  EGT numbers are ball park with probes = located 2.5”  -3” from header.

 

 

Take off Power – Target 12:7:1 F/A – EGT  typically under 1675F at 38”MP / 7000 rpm.

Best Power – target 13.5:1  F/A –EGT’s typically under 1600F  below 30” MP

Complete fuel burn– target 14:7:1  - Produces hottest = EGT’s . I have seen up to 1700 F+ at high power settings =  at less than 30” MP so be careful.

Lean operation with power loss – Target 15.8:1 or lower. Power = drops dramatically. I see EGT’s between 1475F and 1525 F depending = on engine rpm.

 

Stay away from 14:7:1 F/A except for ground and low power flight. =

 

Bobby Hughes

 

 

 

From:= = Rotary motors in aircraft [mailto:flyrotary@lancaironlin= e.net]
Sent: Wednesday, December 07, 2016 1:59 = PM
To: Rotary motors in aircraft
Subject: = [FlyRotary] Gonna be a lean year or which way do I = lean

 

&= nbsp;

&= nbsp;

G= reetings fellow roteryophiles.

&= nbsp;

I= am about to overhaul my renesis and in an effort not to destroy the = thing, as I use it, I have a leaning = question.

&= nbsp;

I= t is normally aspirated with an RD1-C = box

&= nbsp;

U= sing Tracy's EC-3 (or is it the em or rc-- whatever) what is a safe = leaning procedure.

&= nbsp;

I= s it suggested to run these things LOP, ROP O(n)P or just go for = smoothness at any  fuel = burn?

&= nbsp;

M= y understanding is to run the beast full throttle and control the power = output by the RPM (IVO prop--ughish)

&= nbsp;

&= nbsp;

O= f course my concern is with detonation and destruction of the apex seals = since they, at certain parts of the rotation, from my reading, show a = longer face to the chambers.

&= nbsp;

S= omeone, please help me so I don't have to restrict my carnivorous = activities to "lean" meat.

&= nbsp;

T= hanks

&= nbsp;

R= ich 

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