Return-Path: <13brv3@bellsouth.net> Received: from imf23aec.mail.bellsouth.net ([205.152.59.71] verified) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 3081210 for flyrotary@lancaironline.net; Tue, 16 Mar 2004 10:50:45 -0500 Received: from rad ([68.221.170.60]) by imf23aec.mail.bellsouth.net (InterMail vM.5.01.06.08 201-253-122-130-108-20031117) with ESMTP id <20040316155044.QZDV4640.imf23aec.mail.bellsouth.net@rad> for ; Tue, 16 Mar 2004 10:50:44 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: More run time, fewer issues Date: Tue, 16 Mar 2004 09:48:38 -0600 Message-ID: <003601c40b6e$2a35bf10$6001a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0037_01C40B3B.DF9B4F10" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Importance: Normal This is a multi-part message in MIME format. ------=_NextPart_000_0037_01C40B3B.DF9B4F10 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Does the engine have to be running to set the transition point or can I = just pull some vacuum with the engine off but the EC2 turned on. =20 =20 The engine has to be running. =20 I don't have an injector switch, but it is easy enough to pull the fuse = to either set and turn on the cold start switch. I should have tried that already, will do so in the am. I would try disabling the primary injectors, to see if you can run on = the secondaries only. If you had a bad primary injector, the secondaries = would cover for it above the transition, but you'd be running on one rotor = below. Also, don't be afraid to jack the mixture knob around as needed. The = other likely problem you have is just a very rich mixture. This will be = tolerated at higher power settings, but not down low. Do you have an O2 sensor. = For all practical purposes, it's a necessity. Good luck, Rusty (rev-2 first start today) ------=_NextPart_000_0037_01C40B3B.DF9B4F10 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message

Does the engine have to be running to set the = transition point=20 or can I just pull some vacuum with the engine off but the EC2 turned = on. =20

 
The = engine has to be=20 running. 


I don't have an injector switch, but it is easy enough to pull = the fuse=20 to either set and turn on the cold start switch.  I should have = tried that=20 already, will do so in the am.

I would try disabling the = primary=20 injectors, to see if you can run on the secondaries only.  If you = had a bad=20 primary injector, the secondaries would cover for it above the = transition, but=20 you'd be running on one rotor below. 

Also, don't be afraid to = jack the=20 mixture knob around as needed.  The other likely problem you have = is just a=20 very rich mixture.  This will be tolerated at higher power = settings, but=20 not down low.  Do you have an O2 sensor.  For all practical = purposes,=20 it's a necessity.

Good luck,

Rusty (rev-2 first start=20 today)

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