Return-Path: Received: from ms-smtp-03.southeast.rr.com ([24.93.67.84] verified) by logan.com (CommuniGate Pro SMTP 4.1.4) with ESMTP id 2600375 for flyrotary@lancaironline.net; Tue, 23 Sep 2003 13:31:42 -0400 Received: from o7y6b5 (clt78-020.carolina.rr.com [24.93.78.20]) by ms-smtp-03.southeast.rr.com (8.12.5/8.12.2) with SMTP id h8NHTR4S000562 for ; Tue, 23 Sep 2003 13:29:27 -0400 (EDT) Message-ID: <003501c381f8$3a43cbe0$1702a8c0@WorkGroup> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Tuning the EC2 Date: Tue, 23 Sep 2003 13:29:22 -0400 MIME-Version: 1.0 Content-Type: multipart/related; boundary="----=_NextPart_000_0031_01C381D6.B2FFD140"; type="multipart/alternative" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. ------=_NextPart_000_0031_01C381D6.B2FFD140 Content-Type: multipart/alternative; boundary="----=_NextPart_001_0032_01C381D6.B2FFD140" ------=_NextPart_001_0032_01C381D6.B2FFD140 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable That is very interesting, Bill. I have never tried in the air so can't compare. I have done my = timing messing around on the ground and my impression was just the = opposite. I had a hard time telling any change even shifting from least = retarded to most retared position. I finally convinced myself that = three clicks forward from the center (default) postion or 8 clicks up = from the greatest retard postion gave me a bit more rpm. I don't = recall looking but I don't have any impression that it changed EGT at = all. Now, I am trying to recall if I tried that before Tracy informed me of = an error in the wiring diagram that in effect shorted out all modes = above mode 3 or not or after I fixed the wiring (It would make a wee bit = of difference). Now when I was doing it - my MAP was closer to 29" = sitting on the ground with WOT at 5300 rpm. At altitude or less than = WOT perhaps I would have noticed similar things that you did. Sure sounds like something is not quite right. I wouldn't expect that = much change with just one click. But, clearly that is something I think = you should ask Tracy about. If that is normal, then people need to be = aware so heart attacks may be avoided {:>). Sorry, I couldn't be of more help. Best Regards Ed ----- Original Message -----=20 From: Bill Eslick=20 To: Rotary motors in aircraft=20 Sent: Tuesday, September 23, 2003 12:07 PM Subject: [FlyRotary] Tuning the EC2 I need a little help here with this Mode 8 stuff. Ed, I did = some tweeking at cruise today to check the timing, and then I remembered = why I quit trying last time! Testing was done at 4000 MSL, 80F, 4800 RPM, about 23 inches = MAP. I get absolutely no change of anything in the "increase" = direction. In the "decrease" direction, just one click gives me a = drastic 2 GPH drop in fuel flow, and the EGT shoots up with a noticeable = loss of power. More clicks in that direction change nothing. No matter = how many clicks I go toward the "decrease", it only takes one click back = to the right to restore the original condition and more clicks to the = right change nothing. Am I going nuts here, or what???? I did it several times at = different RPMs, etc, and always got the same sort of results. It is = like a two-position toggle marked "good/bad"! I have checked the static = timing previously, and it is right where the instructions say to put it. Ideas???? Bill Eslick=20 =20 =20 ____________________________________________________ IncrediMail - Email has finally evolved - Click Here ------=_NextPart_001_0032_01C381D6.B2FFD140 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
That is very interesting, Bill.
 
    I have never tried in the air so = can't=20 compare.  I have done my timing messing around on the ground = and my=20 impression was just the opposite.  I had a hard time telling any = change=20 even shifting from least retarded to most retared position.  I = finally=20 convinced myself that three clicks forward from the center (default) = postion or=20 8 clicks up from the greatest retard postion gave me  a bit more = rpm. =20 I don't recall looking but I don't have any impression that it changed = EGT at=20 all.
 
Now, I am trying to recall if I tried that before = Tracy=20 informed me of an error in the wiring diagram that in effect shorted out = all=20 modes above mode 3 or not or after I fixed the wiring (It would make a = wee bit=20 of difference).  Now when I was doing it - my MAP was closer = to 29"=20 sitting on the ground with WOT at 5300 rpm.  At altitude or less = than WOT=20 perhaps I would have noticed similar things that you did.
 
Sure sounds like something is not quite right.  = I=20 wouldn't expect that much change with just one click.  But, clearly = that is=20 something I think you should ask Tracy about.  If that is normal, = then=20 people need to be aware so heart attacks may be avoided = {:>).
 
Sorry, I couldn't be of more help.
 
Best Regards
 
Ed
----- Original Message -----
From:=20 Bill = Eslick=20
Sent: Tuesday, September 23, = 2003 12:07=20 PM
Subject: [FlyRotary] Tuning the = EC2

I need a little help here with this Mode 8 stuff.  = Ed, I did=20 some tweeking at cruise today to check the timing, and then I=20 remembered why I quit trying last time!
 
Testing was done at 4000 MSL, 80F, 4800 RPM, about 23 = inches=20 MAP.
 
I get absolutely no change of anything in the "increase"=20 direction.  In the "decrease" direction, just one click = gives me=20 a drastic 2 GPH drop in fuel flow, and the EGT shoots up with = a=20 noticeable loss of power.  More clicks in that direction = change=20 nothing.  No matter how many clicks I go toward the = "decrease",=20 it only takes one click back to the right to restore the = original=20 condition and more clicks to the right change nothing.
 
Am I going nuts here, or what????  I did it several = times at=20 different RPMs, etc, and always got the same sort of = results.  It=20 is like a two-position toggle marked "good/bad"!  I have = checked=20 the static timing previously, and it is right where the = instructions=20 say to put it.
 
Ideas????
 
Bill Eslick
____________________________________________________
  IncrediMail - Email has finally = evolved -=20 Click=20 = Here ------=_NextPart_001_0032_01C381D6.B2FFD140-- ------=_NextPart_000_0031_01C381D6.B2FFD140 Content-Type: image/gif; name="IMSTP.gif" Content-Transfer-Encoding: base64 Content-ID: <003001c381f8$3a09d020$1702a8c0@WorkGroup> R0lGODlhFAAPALMIAP9gAM9gAM8vAM9gL/+QL5AvAGAvAP9gL////wAAAAAAAAAAAAAAAAAAAAAA AAAAACH/C05FVFNDQVBFMi4wAwEAAAAh+QQJFAAIACwAAAAAFAAPAAAEVRDJSaudJuudrxlEKI6B URlCUYyjKpgYAKSgOBSCDEuGDKgrAtC3Q/R+hkPJEDgYCjpKr5A8WK9OaPFZwHoPqm3366VKyeRt E30tVVRscMHDqV/u+AgAIfkEBWQACAAsAAAAABQADwAABBIQyUmrvTjrzbv/YCiOZGmeaAQAIfkE CRQACAAsAgABABAADQAABEoQIUOrpXIOwrsPxiQUheeRAgUA49YNhbCqK1kS9grQhXGAhsDBUJgZ AL2Dcqkk7ogFpvRAokSn0p4PO6UIuUsQggSmFjKXdAgRAQAh+QQFCgAIACwAAAAAFAAPAAAEEhDJ Sau9OOvNu/9gKI5kaZ5oBAAh+QQJFAAIACwCAAEAEAANAAAEShAhQ6ulcg7Cuw/GJBSF55ECBQDj 1g2FsKorWRL2CtCFcYCGwMFQmBkAvYNyqSTuiAWm9ECiRKfSng87pQi5SxCCBKYWMpd0CBEBACH5 BAVkAAgALAAAAAAUAA8AAAQSEMlJq7046827/2AojmRpnmgEADs= ------=_NextPart_000_0031_01C381D6.B2FFD140--