X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from qmta12.emeryville.ca.mail.comcast.net ([76.96.27.227] verified) by logan.com (CommuniGate Pro SMTP 5.3.7) with ESMTP id 4321551 for flyrotary@lancaironline.net; Fri, 21 May 2010 07:30:51 -0400 Received-SPF: pass receiver=logan.com; client-ip=76.96.27.227; envelope-from=wschertz@comcast.net Received: from omta16.emeryville.ca.mail.comcast.net ([76.96.30.72]) by qmta12.emeryville.ca.mail.comcast.net with comcast id LBQK1e0051ZMdJ4ACBWGmx; Fri, 21 May 2010 11:30:16 +0000 Received: from WschertzPC ([71.57.77.95]) by omta16.emeryville.ca.mail.comcast.net with comcast id LBWC1e00923NHuF8cBWFbC; Fri, 21 May 2010 11:30:16 +0000 Message-ID: <5A6EA68BD7894E468F9419830B5FFCB0@WschertzPC> From: "Bill Schertz" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Tach & injectors Date: Fri, 21 May 2010 06:30:13 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_01EA_01CAF8AF.118CB600" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8089.726 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8089.726 This is a multi-part message in MIME format. ------=_NextPart_000_01EA_01CAF8AF.118CB600 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable John, One thing to check, with the fuel pump OFF, 1. Cold, but with power on as if you were going to run, plug and unplug = each injector to see if you hear a click, it might be just one injector = stuck open (grounded) 2. Repeat with engine hot, make sure no fuel pressure=20 Bill Schertz KIS Cruiser #4045 N343BS Phase I testing From: John=20 Sent: Thursday, May 20, 2010 9:20 PM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Tach & injectors Bill, Bob W conferred with Tracy and they decided to use the secondary = coil wire and the tack goes to 0 when I do the coil check. I didn't get = much time to test today, I'm starting on the + side, as it will run = warmed up with the fuse pulled and the injector switches off, if it is = restarted, the fuse is in the wire to the primary and secondary injector = switches, wired to Bob W's wiring diagram. It runs normal when it is = started initially (cold) with the fuse connected and the primary and = secondary switches on and will stop by shutting off the primary and = secondary switches. Tomorrow I'll check to see if the wire is powered = while cold with the fuse out then warm the engine and see if I can = determine where the power is coming from, there needs to be a source for = the current at normal operating temperature with the fuse out which is = 185 water, 167 oil. It is on warm restart when ever thing changes and = the injectors are getting the + from some place other than the fuse. Maybe I can test the injectors in the test mode and see if they click = off and on, or just click once and are staying on from a continuous = ground condition coming from the computer. This will need to done at a = fuel pressure of less than the 33 # fuel pressure indicated when the = engine quits with the fuel pump off and the injectors on or the engine = will be flooded. JohnD ------=_NextPart_000_01EA_01CAF8AF.118CB600 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
John,
One thing to check, with the fuel pump=20 OFF,
 
1. Cold, but with power on as if you = were going to=20 run, plug and unplug each injector to see if you hear a click, it might = be just=20 one injector stuck open (grounded)
2. Repeat with engine hot, make sure no = fuel=20 pressure
Bill Schertz
KIS Cruiser=20 #4045
N343BS
Phase I testing

From: John
Sent: Thursday, May 20, 2010 9:20 PM
Subject: [FlyRotary] Tach & injectors

Bill, Bob W conferred with Tracy and = they decided=20 to use the secondary coil wire and the tack goes to 0 when I do the coil = check.  I didn't get much time to test today, I'm starting on the + = side,=20 as it will run warmed up with the fuse pulled and the injector switches = off, if=20 it is restarted, the fuse is in the wire to the primary and secondary = injector=20 switches, wired to Bob W's wiring diagram.  It runs normal when it = is=20 started initially (cold) with the fuse connected and the primary and = secondary=20 switches on and will stop by shutting off the primary and secondary=20 switches.  Tomorrow I'll check to see if the wire is powered while = cold=20 with the fuse out then warm the engine and see if I can determine = where the=20 power is coming from, there needs to be a source for the current at = normal=20 operating temperature with the fuse out which is 185 water, 167 = oil. =20 It is on warm restart when ever thing changes and the injectors = are=20 getting the + from some place other than the fuse.
 
Maybe I can test the injectors in the = test mode and=20 see if they click off and on, or just click once and are staying on from = a=20 continuous ground condition coming from the computer.  This will = need to=20 done at a fuel pressure of less than the 33 # fuel pressure indicated = when the=20 engine quits with the fuel pump off and the injectors on or the engine = will be=20 flooded.  JohnD
------=_NextPart_000_01EA_01CAF8AF.118CB600--