Return-Path: Received: from [65.54.169.107] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.2b2) with ESMTP id 3209422 for flyrotary@lancaironline.net; Thu, 06 May 2004 17:06:39 -0400 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Thu, 6 May 2004 14:06:38 -0700 Received: from 4.171.150.215 by BAY3-DAV77.phx.gbl with DAV; Thu, 06 May 2004 21:06:38 +0000 X-Originating-IP: [4.171.150.215] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Re: surging Date: Thu, 6 May 2004 17:06:38 -0400 MIME-Version: 1.0 X-Mailer: MSN Explorer 7.02.0011.2700 Content-Type: multipart/alternative; boundary="----=_NextPart_001_0005_01C4338C.7E96B320" Message-ID: X-OriginalArrivalTime: 06 May 2004 21:06:38.0983 (UTC) FILETIME=[05EB0170:01C433AE] ------=_NextPart_001_0005_01C4338C.7E96B320 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable John, does Mode 3 make any difference? You are either all the way down a= t bottom of its range or it is not working. =20 If not for yourself, You MUST determine which in order for me to sleep a= t night. Personally, I would not fly the plane until I could get proper= mixture at nominal setting of mixture control (12:00). If mode 3 is working, it should make things worse when you go richer. = Note that Mode 3 is a fairly fine adjustment. It takes about 25 steps to= reach lean limit from nominal. Judging from the predominance of big injectors and high fuel pressure amo= ng this group, it sounds as if you guys have all been indoctrinated by Pa= ul Lamar (Bigger & More is Better!) It just ain't so! Remember, we are = not pushing the limits of what the engine is capable of, and that's just = the way it should be. Tracy ----- Original Message ----- From: Al Gietzen Sent: Thursday, May 06, 2004 4:32 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: surging I still have a rich mixture problem. Its starting much easier now, and running smooth, but still way too rich. Today I had the mixture knob agai= nst the stop (lean) for the entire flight. Once I tried richening it a touch, and the engine faultered immediately. The mode 3 (on the ground) adjustme= nts dont seem to make any difference. I wonder if I need smaller injectors or lower fuel pressure (currently running about 45psi). Thoughts anyone? John Slade I'd find it very hard to believe the need for lower flow injectors for an= ything except idle. Do the overall lean mode; and redo the MAP correctio= n table. Lot's of envy! Al =20 ------=_NextPart_001_0005_01C4338C.7E96B320 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

John, does Mod= e 3 make any difference? You are either all the way down at bottom = of its range or it is not working.

If = not for yourself, You MUST determine which in order for me to sleep= at night. Personally, I would not fly the plane until I coul= d get proper mixture at nominal setting of mixture control (12:00).=

If mode 3 is working, it sh= ould make things worse when you go richer. Note that Mode 3 i= s a fairly fine adjustment. It takes about 25 steps to reach lean l= imit from nominal.

Judging from the predomin= ance of big injectors and high fuel pressure among this group, it sounds = as if you guys have all been indoctrinated by Paul Lamar (Bigger &&nb= sp;More is Better!) It just ain't so! Remember, we are n= ot pushing the limits of what the engine is capable of, and that's just t= he way it should be.

Tracy

----- Original Message -----
From: A= l Gietzen

Sent: Thursday, Ma= y 06, 2004 4:32 PM

To: Rotar= y motors in aircraft

Subject: [FlyRotary] Re: surging

I = still have a rich mixture problem. Its starting much easier now, and

running smooth, but still way too rich. Today I= had the mixture knob against

<= FONT face=3DNimrod size=3D2>the stop (lea= n) for the entire flight. Once I tried richening it a touch,

and the engine faultered immediately. The mode 3 (on th= e ground) adjustments

dont seem to make any= difference. I wonder if I need smaller injectors or
lower fuel pressure (currently running about 45psi).

Thoughts anyone?

John Slade

I'd find it very hard to believe the need for lower flow injector= s for anything except idle. Do the overall lean mode; and redo the = MAP correction table.

Lot's o= f envy!

Al

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