Return-Path: <13brv3@bellsouth.net> Received: from imf23aec.mail.bellsouth.net ([205.152.59.71] verified) by logan.com (CommuniGate Pro SMTP 4.2b2) with ESMTP id 3209004 for flyrotary@lancaironline.net; Thu, 06 May 2004 12:10:19 -0400 Received: from rad ([65.6.194.9]) by imf23aec.mail.bellsouth.net (InterMail vM.5.01.06.08 201-253-122-130-108-20031117) with ESMTP id <20040506161015.KQOA11640.imf23aec.mail.bellsouth.net@rad> for ; Thu, 6 May 2004 12:10:15 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: surging / rough idle Date: Thu, 6 May 2004 11:08:16 -0500 Message-ID: <023b01c43384$577c4c80$6001a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_023C_01C4335A.6EA64480" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_023C_01C4335A.6EA64480 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Rusty, were'd you come up with this theory? True, It takes the same amount of fuel to make X horsepower regardless of rpm. The injector doesn't fire as often at low rpm BUT, it stays open for a longer time (assuming the engine is making the same power). It all comes out the = same in terms of flow rate requirement of the injector. =20 =20 Tracy=20 =20 =20 Apparently, I drank away some important brain cells in my youth, and the ones that survived don't seem to retain information very long :-) =20 =20 Seriously, I just focused on each intake cycle, and neglected to realize that there are more of these cycles at higher rpm. Duh! For the = record, I now believe that I don't need these 50 lb/hr injectors, and I'm actually planning to replace them with 38 lb injectors as soon as Summit gets = them in stock. =20 =20 Cheers, Rusty (prop is "out for delivery") ------=_NextPart_000_023C_01C4335A.6EA64480 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
Rusty, = were'd you come up=20 with this theory?   True,  It takes the same amount = of fuel=20  to make X horsepower regardless of rpm.   The injector = doesn't=20 fire as often at low rpm BUT, it stays open for a longer time (assuming = the=20 engine is making the same power).  It all comes out the same in = terms of=20 flow rate requirement of the injector. 
 
 Tracy 
 
 
Apparently, I drank away some = important=20 brain cells in my youth, and the ones that survived don't seem to = retain=20 information very long=20  :-)   
 
Seriously, I just focused on each = intake cycle,=20 and neglected to realize that there are more of these cycles at higher=20 rpm.  Duh!  For the record, I now believe that I don't need = these 50=20 lb/hr injectors, and I'm actually planning to replace them with 38 lb = injectors=20 as soon as Summit gets them in stock.  =
 
Cheers,
Rusty (prop is "out for=20 delivery")



------=_NextPart_000_023C_01C4335A.6EA64480--