Return-Path: <13brv3@bellsouth.net> Received: from imf24aec.mail.bellsouth.net ([205.152.59.72] verified) by logan.com (CommuniGate Pro SMTP 4.1.1) with ESMTP id 2532292 for flyrotary@lancaironline.net; Mon, 18 Aug 2003 15:01:54 -0400 Received: from rad ([68.212.14.21]) by imf24aec.mail.bellsouth.net (InterMail vM.5.01.05.27 201-253-122-126-127-20021220) with ESMTP id <20030818190153.WFQN19510.imf24aec.mail.bellsouth.net@rad> for ; Mon, 18 Aug 2003 15:01:53 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: today's engine results- still no joy Date: Mon, 18 Aug 2003 14:01:55 -0500 Message-ID: <00bb01c365bb$3149b670$0201a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00BC_01C36591.4873AE70" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 This is a multi-part message in MIME format. ------=_NextPart_000_00BC_01C36591.4873AE70 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Not wiring "errors", but possible impedance problems. Ohm out the injector wiring from the EC2 connector all the way to the injector plug (also the return path). A high-resistance connection along the path or = a burn mark on a switch contact could dramatically change the performance = of the circuit. Dale =20 Nice Try :-) Actually, I did all that weeks ago. =20 =20 In talking to Tracy, it sounds like the injector mismatch that I have is substantial. The mixture knob provides a 100% change in mixture from = one extreme to the other, and I'm having to turn it 180 degrees to change = from primaries to secondaries. If that's 75%, or even 50% change in mixture, = my MSD injectors can't be anywhere close to the 50 lb/hr they claim to be. = I'm going to try to get out this afternoon, and swap the primary and = secondary wiring again, and verify the huge mixture change required to go from = primary to secondary. If this is now opposite of what it was yesterday, I'm = going to have to get these MSD injectors tested, and see what they really are. = =20 Cheers, Rusty =20 ------=_NextPart_000_00BC_01C36591.4873AE70 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

   Not wiring "errors", but possible = impedance=20 problems. Ohm out the injector wiring from the EC2 connector all the way = to the=20 injector plug (also the return path).  A high-resistance connection = along=20 the path or a burn mark on a switch contact could dramatically change = the=20 performance of the circuit.

Dale

 
Nice Try = :-)  =20 Actually, I did all that weeks ago. 
 
In = talking to Tracy, it=20 sounds like the injector mismatch that I have is substantial.  The = mixture=20 knob provides a 100% change in mixture from one extreme to the other, = and I'm=20 having to turn it 180 degrees to change from primaries to = secondaries.  If=20 that's 75%, or even 50% change in mixture, my MSD injectors can't be = anywhere=20 close to the 50 lb/hr they claim to be.  I'm going to try to get = out this=20 afternoon, and swap the primary and secondary wiring again, and verify = the huge=20 mixture change required to go from primary to secondary.  If this = is now=20 opposite of what it was yesterday, I'm going to have to get these MSD = injectors=20 tested, and see what they really are. 
 
Cheers,
Rusty
 




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