X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: <13brv3@bellsouth.net> Received: from imf23aec.mail.bellsouth.net ([205.152.59.71] verified) by logan.com (CommuniGate Pro SMTP 4.3.4) with ESMTP id 1008232 for flyrotary@lancaironline.net; Mon, 20 Jun 2005 19:42:26 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.71; envelope-from=13brv3@bellsouth.net Received: from ibm66aec.bellsouth.net ([65.6.194.9]) by imf23aec.mail.bellsouth.net with ESMTP id <20050620234134.EMJG8541.imf23aec.mail.bellsouth.net@ibm66aec.bellsouth.net> for ; Mon, 20 Jun 2005 19:41:34 -0400 Received: from rd ([65.6.194.9]) by ibm66aec.bellsouth.net with ESMTP id <20050620234134.JWO5308.ibm66aec.bellsouth.net@rd> for ; Mon, 20 Jun 2005 19:41:34 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Fuel Injector Position Date: Mon, 20 Jun 2005 18:41:35 -0500 Message-ID: <000001c575f1$985877f0$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C575C7.AF826FF0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C575C7.AF826FF0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Rusty, I think that part of the problem is that you did not have an enrichment circuit that briefly increased injector open time as a = function of butterfly opening speed; same idea as an accel pump on a carburetor. = If you look at TBI injection systems in automobiles ( or a v8 with a 4 bbl = on a tunnel ram for that matter) they have longish runs and no hesitation problems.=20 =20 Hi Ian, =20 Well, the EC-2 does have a virtual accelerator pump function, though it isn't adjustable by the user. Being able to increase that function = would certainly have helped, but it wouldn't help the throttle closing = problems. Even with a fully adjustable enrichment feature, aren't you just using = it to cover up a bad design? =20 =20 Cheers, Rusty (Kolb turbo?) =20 ------=_NextPart_000_0001_01C575C7.AF826FF0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
Hi Rusty, I think that part of the problem is that you did = not have=20 an enrichment circuit that briefly increased injector open time as = a=20 function of butterfly opening speed; same idea as an accel pump on a=20 carburetor.  If you look at TBI injection systems in automobiles ( = or=20 a v8 with a 4 bbl on a tunnel ram for that matter) they = have=20 longish runs and no hesitation problems. 
 
Hi=20 Ian,
 
Well, the=20 EC-2 does have a virtual accelerator pump function, though it isn't = adjustable=20 by the user.  Being able to increase that function would certainly = have=20 helped, but it wouldn't help the throttle closing problems.  Even=20 with a fully adjustable enrichment feature, aren't you = just using it=20 to cover up a bad = design?  
 
Cheers,
Rusty (Kolb=20 turbo?)  
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