X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 50 [XX] Return-Path: Received: from ms-smtp-01.southeast.rr.com ([24.25.9.100] verified) by logan.com (CommuniGate Pro SMTP 5.1.3) with ESMTP id 1667138 for flyrotary@lancaironline.net; Tue, 12 Dec 2006 10:41:34 -0500 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.100; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-100-190.carolina.res.rr.com [24.74.100.190]) by ms-smtp-01.southeast.rr.com (8.13.6/8.13.6) with SMTP id kBCFeg7Z022130 for ; Tue, 12 Dec 2006 10:40:42 -0500 (EST) Message-ID: <001801c71e03$e8adade0$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] fuel injection Date: Tue, 12 Dec 2006 10:40:53 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0015_01C71DD9.FF5E0910" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2869 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2962 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_0015_01C71DD9.FF5E0910 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable John, as best I recall the diffusers configuration varied from year to = year. However, all the diffusers I have seen had at least one "O" ring = and in some cases two "O" rings. From memory (not the best), I believe = the primaries always? had two and the secondaries sometimes varied = between one and two "O" rings. =20 Go to his page at Mazdatrix, it has the best (only?) layout with photos = that may help. http://www.mazdatrix.com/c-6.htm I believe the diffusers do more than just give you a better spray = pattern/more atomization. I think they help (at least to a small = degree) insulate the fuel injectors from the heat of the block. With the = diffusers there is no metal-metal contact between injectors and block. = just another small thing that may help "diffuse" a potential vapor lock = condition. My personal opinion. Ed ----- Original Message -----=20 From: John Downing=20 To: Rotary motors in aircraft=20 Sent: Tuesday, December 12, 2006 10:27 AM Subject: [FlyRotary] fuel injection Does anyone have a diagram of the fuel injectors. The Haynes Manual = doesn't have a sequence of the fuel injector and the various o-rings and = the diffusers. Does the diffusers have o-rings on them, there appears = to be two o-ring groves on the diffusers. Any help would be greatly = appreciated. Thankyou in advance. JohnD ------=_NextPart_000_0015_01C71DD9.FF5E0910 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
John, as best I recall the diffusers = configuration varied=20 from year to year.  However, all the diffusers I have seen =  had at=20 least one "O" ring and in some cases two "O" rings.  From memory = (not the=20 best), I believe the primaries always? had two and the secondaries = sometimes=20 varied between one and two "O" rings. 
 
Go to his page at Mazdatrix, it has the best = (only?)=20 layout with photos that may help.
 
http://www.mazdatrix.com/c-6.ht= m
 
I believe the diffusers do more than just give = you a=20 better spray pattern/more atomization.  I think they help (at least = to a=20 small degree) insulate the fuel injectors from the heat of the block. = With the=20 diffusers there is no metal-metal contact between injectors and = block. =20 just another small thing that may help "diffuse" a potential vapor lock=20 condition.  My personal opinion.
 
Ed
----- Original Message -----
From:=20 John=20 Downing
Sent: Tuesday, December 12, = 2006 10:27=20 AM
Subject: [FlyRotary] fuel = injection

Does anyone have a diagram of the = fuel=20 injectors.  The Haynes Manual doesn't have a sequence of the fuel = injector and the various o-rings and the diffusers.  Does the = diffusers=20 have o-rings on them, there appears to be two o-ring groves on the=20 diffusers.  Any help would be greatly appreciated.  Thankyou = in=20 advance.  JohnD
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