X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: <13brv3@bellsouth.net> Received: from imf22aec.mail.bellsouth.net ([205.152.59.70] verified) by logan.com (CommuniGate Pro SMTP 4.3c5) with ESMTP id 939384 for flyrotary@lancaironline.net; Tue, 10 May 2005 21:47:29 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.70; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf22aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050511014644.BETI2059.imf22aec.mail.bellsouth.net@rd> for ; Tue, 10 May 2005 21:46:44 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Tracy's and Bruce's style intakes Date: Tue, 10 May 2005 20:46:58 -0500 Message-ID: <001501c555cb$51e2b060$04000100@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0016_01C555A1.690CA860" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0016_01C555A1.690CA860 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Rusty, Only the nozzles would be inside the box, I'm sure that is what = you are thinking. =20 =20 Don't be too sure :-) I was thinking of how nice it would be to have = all the fuel contained in the box, not just the end of the nozzles. I'm = pretty much given up on that idea already though. =20 =20 I would try to get the bell mouths as far from the port as possible as = very short intake lengths don't seem to work as well with bell mouth = injection. I had this conversation today with a drag/circle track engine builder. Of course he was not referring to rotary engines but he knows a lot about = very high performance intake design. Jerry =20 =20 I was also toying with the idea of making the intake box as wide as possible, so the internal air horn portions of the tubes could be varied = in length. I wonder if that's what Tracy was planning to do? =20 =20 I've also got to think about filters too, or risk being keyboard whipped = by Leon :-) =20 =20 I have to admit that I haven't quite ruled out keeping my current = intake, and feeding it with a small supercharger. I really like the ATI = procharger C-1. =20 =20 Cheers, Rusty (trying to resist)=20 =20 ------=_NextPart_000_0016_01C555A1.690CA860 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message
Rusty, Only the nozzles would be inside the box, I'm sure that is = what you=20 are thinking.  
 
Don't be too=20 sure :-)  I was thinking of how nice it would be to have all the = fuel=20 contained in the box, not just the end of the nozzles.  I'm pretty = much=20 given up on that idea already though. 
 
I would try to get the bell mouths as far from the port as possible = as very=20 short intake lengths don't seem to work as well with bell mouth = injection. I had=20 this conversation today with a drag/circle track engine builder. Of = course he=20 was not referring to rotary engines but he knows a lot about very high=20 performance intake design. Jerry  
 
I was also=20 toying with the idea of making the intake box as wide as possible, so = the=20 internal air horn portions of the tubes could be varied in=20 length.  I wonder if that's what Tracy was planning to=20 do?  
 
I've also got=20 to think about filters too, or risk being keyboard whipped by Leon=20 :-)  
 
I have=20 to admit that I haven't quite ruled out keeping my current intake, = and=20 feeding it with a small supercharger.  I really like the ATI = procharger=20 C-1.  
 
Cheers,
Rusty (trying=20 to resist) 

 
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