X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imf22aec.mail.bellsouth.net ([205.152.59.70] verified) by logan.com (CommuniGate Pro SMTP 5.0c4) with ESMTP id 764982 for flyrotary@lancaironline.net; Fri, 14 Oct 2005 15:09:26 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.70; envelope-from=atlasyts@bellsouth.net Received: from ibm67aec.bellsouth.net ([68.213.226.209]) by imf22aec.mail.bellsouth.net with ESMTP id <20051014190841.BQCW28829.imf22aec.mail.bellsouth.net@ibm67aec.bellsouth.net> for ; Fri, 14 Oct 2005 15:08:41 -0400 Received: from [192.168.0.103] (really [68.213.226.209]) by ibm67aec.bellsouth.net with ESMTP id <20051014190840.INRF1915.ibm67aec.bellsouth.net@[192.168.0.103]> for ; Fri, 14 Oct 2005 15:08:40 -0400 Mime-Version: 1.0 (Apple Message framework v734) In-Reply-To: References: Content-Type: multipart/alternative; boundary=Apple-Mail-11-685865929 Message-Id: From: Bulent Aliev Subject: Re: [FlyRotary] Re: injector size stop. I had both injectors wired (as per schematic) to =20 Date: Fri, 14 Oct 2005 15:08:41 -0400 To: "Rotary motors in aircraft" X-Mailer: Apple Mail (2.734) --Apple-Mail-11-685865929 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed On Oct 14, 2005, at 2:58 PM, Ed Anderson wrote: > > ----- Original Message ----- > From: Bulent Aliev > To: Rotary motors in aircraft > Sent: Friday, October 14, 2005 2:45 PM > Subject: [FlyRotary] Re: injector size stop. I had both injectors > wired (as per schematic) to =20 > > > On Oct 14, 2005, at 2:41 PM, Ed Anderson wrote: > >> >> ----- Original Message ----- >> From: Bulent Aliev >> To: Rotary motors in aircraft >> Sent: Friday, October 14, 2005 2:32 PM >> Subject: [FlyRotary] Re: injector size stop. I had both injectors >> wired (as per schematic) to =20 >> >>> >>> I think you were wise to split your injectors power like that, I >>> did not do that and in hind sight wish I had for the reason you >>> cited. >>> However, I don't see how adding a circuit breaker would do that. >>> Now, if you are leaving even 1 of the CB ON then the EC2 is >>> receiving power even if the EC2 CB is pulled. As long as either >>> the primary or secondary injector has power on the line (either >>> of your injector CB is pushed in) then the EC2 will get this >>> voltage. Tracy used to have an LED on the program button of the >>> EC2 and it would light up when the EC2 controller had power - >>> that is another way I found out about the sneak circuit. If I >>> turned on an injector toggle the EC2 program button LED would >>> come on even though its power switch/CB was off. >>> >>> So do you get the 6.5volts when both injector CB are pulled? >>> >>> Ed >>> >> >> When I turn on the P.injector switch ON, the EM lights up and I >> get 6.5V Voltage reading and "Low Voltage" warning on the EM2 >> display. >> Buly >> >> This happens even when the injector power CB is pulled on the >> primary injectors?? >> >> Ed >> > > I can not disable my CB. But I can pull the connector off? > Buly > > Ok, so there is power to your primary injector switch since the CB > is not pulled. In that case, I suspect that your EM2 is sensing > the "sneakcircuit" voltage from your EC2. I can think of two > things to try depending on how much trouble each is to do > > 1. Disconnect the primary CB from power > 2. Disconnect the Ec2 from the EM2. > > If easy to undo, I would disconnect the EM2 from the EC2 - that way > it either shows that the source is or is not the EC2. > > If the problem goes away when the two are disconnected then I am > convinced its the sneak circuit of the Ec2 feeding the EM2. > If the problem does not go away then the only thing I can think of > is a ground loop of some type - a bitch to try and deal with. > > > > and see the results of each on the problem. > > Ed > Ed, most likely it is a ground loop. Sneak voltage could not be 6.5V. It can not drive anything? Buly > --Apple-Mail-11-685865929 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=ISO-8859-1
On Oct 14, 2005, = at 2:58 PM, Ed Anderson wrote:

=A0
----- Original = Message -----
Sent: Friday, October 14, 2005 2:45 PM
Subject: [FlyRotary] Re: injector size stop. I had both injectors = wired (as per schematic) to = =3D20


On Oct 14, 2005, at 2:41 = PM, Ed Anderson wrote:

=A0
----- Original Message -----
To:

I think you were wise to split your injectors power like that, = I did not do that and in hind sight wish I had for the reason you = cited.
However, I don't see how adding a circuit breaker = would do that.=A0 Now, if you are leaving even 1 of the CB ON then the = EC2 is receiving power even if=A0the EC2=A0CB is pulled.=A0 As long as = either the primary or secondary injector has power on the line (either = of your injector CB is pushed in) then the EC2 will get this voltage.=A0=A0= Tracy used to have an LED on the program button of the EC2 and it would = light up when the EC2 controller had power - that is another way I found = out about the sneak circuit.=A0 If I turned on an injector toggle the = EC2 program button LED would come on even though its power switch/CB was = off.
=A0
So do you get the 6.5volts when both injector CB = are pulled?
=A0
Ed
When I turn on the = P.injector switch ON, the EM lights up and I get 6.5V Voltage reading = and "Low Voltage" warning on the EM2 = display.
Buly
=A0
=A0 This = happens even when the injector power =A0CB is pulled on the primary = injectors??
=A0
<= DIV>Ed, most likely it is a ground loop. Sneak voltage could not be = 6.5V. It can not drive anything?


= --Apple-Mail-11-685865929--