Return-Path: <13brv3@bellsouth.net> Received: from imf22aec.mail.bellsouth.net ([205.152.59.70] verified) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 2891484 for flyrotary@lancaironline.net; Mon, 15 Dec 2003 08:11:04 -0500 Received: from rad ([68.212.7.74]) by imf22aec.mail.bellsouth.net (InterMail vM.5.01.06.05 201-253-122-130-105-20030824) with ESMTP id <20031215131100.MRSB4878.imf22aec.mail.bellsouth.net@rad> for ; Mon, 15 Dec 2003 08:11:00 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Fuel System Date: Mon, 15 Dec 2003 07:11:01 -0600 Message-ID: <009b01c3c30c$e394ceb0$6001a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_009C_01C3C2DA.98FA5EB0" 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_009C_01C3C2DA.98FA5EB0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable I am still looking at different designs for a fuel system. AC has two separate tanks. Since we are using two rotors is it possible to split = the fuel rail into two rails and have one of the returns plumbed to the port tank and the other plumbed to the starboard tank? Any problems = splitting the fuel rail? Just a crazy idea. Joe Berki =20 You could certainly have two separate fuel rails, split either primary/secondary, or rotor-1/rotor-2. You would need a second = regulator, and would have to run two pumps all the time. =20 =20 Were you thinking about feeding one rotor from each tank, to keep from having to ever switch tanks in flight? That is an interesting thought, though it would probably be safer to split the fuel primary/secondary. = I actually thought about doing that back when I was having so much trouble with my mismatched primary and secondary injectors. I figured I could modify the pressure to the rails, to balance them out. Never tried it though, and the rev-2 FWF arrangement will have matching injectors = finally.=20 =20 Cheers, Rusty (the one who usually has the crazy ideas )=20 ------=_NextPart_000_009C_01C3C2DA.98FA5EB0 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message

I am still looking at different designs for a fuel = system. =20 AC has two
separate tanks.  Since we are using two rotors is it = possible=20 to split the
fuel rail into two rails and have one of the returns = plumbed to=20 the port
tank and the other plumbed to the starboard tank?  Any = problems=20 splitting
the fuel rail?  Just a crazy idea.

Joe = Berki

 
You = could certainly have=20 two separate fuel rails, split either primary/secondary, or=20 rotor-1/rotor-2.  You would need a second regulator, and would have = to run=20 two pumps all the time. 
 
Were you = thinking about=20 feeding one rotor from each tank, to keep from having to ever = switch=20 tanks in flight?  That is an interesting thought, though it = would=20 probably be safer to split the fuel primary/secondary.  I = actually=20 thought about doing that back when I was having so much trouble = with my=20 mismatched primary and secondary injectors.  I figured I could = modify=20 the pressure to the rails, to balance them out.  Never tried it = though, and=20 the rev-2 FWF arrangement will have matching injectors=20 finally. 
 
Cheers,
Rusty = (the one who=20 usually has the crazy ideas <g>) 



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