Return-Path: <13brv3@bellsouth.net> Received: from imf23aec.mail.bellsouth.net ([205.152.59.71] verified) by logan.com (CommuniGate Pro SMTP 4.2) with ESMTP id 356114 for flyrotary@lancaironline.net; Sat, 07 Aug 2004 12:00:20 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.71; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf23aec.mail.bellsouth.net (InterMail vM.5.01.06.08 201-253-122-130-108-20031117) with ESMTP id <20040807155950.ZQFO1787.imf23aec.mail.bellsouth.net@rd> for ; Sat, 7 Aug 2004 11:59:50 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] plenum chamber Date: Sat, 7 Aug 2004 11:00:10 -0500 Message-ID: <000f01c47c97$9e473830$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0010_01C47C6D.B5713030" 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 V6.00.2800.1409 This is a multi-part message in MIME format. ------=_NextPart_000_0010_01C47C6D.B5713030 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable The size and shape of the plenum chamber. After looking at the Mistral = site (VERY NICE) I now have reservations about the size and shape of plenum I = was going to use. Originally I was going to manufacture one, box shape and = only 2 1/2" wide 3 1/2" high 8" long. Really didn't think it would be big = enough but made for a neat installation. =20 =20 Hi Mick, =20 I'm not sure anyone here has experimented with different plenum sizes = and shapes, though I'm convinced they can be an important part of the = system. I got quite an increase from just adding the little one that I have. Eventually, I'll play with it some more, and see if I can improve things further. Pity Ed's too busy to do some math for us :-) =20 =20 Being turbocharged, you actually have the luxury of being somewhat inefficient with the intake design, since you'll be feeding by brute = force. If I were you, I'd probably just try it with the small plenum that you originally planned, and change it later if you feel the need. =20 =20 Rusty (watching XM weather updating on the pda) ------=_NextPart_000_0010_01C47C6D.B5713030 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
The size and shape of the plenum=20 chamber. After looking at the Mistral site (VERY NICE) I now = have=20 reservations about the size and shape of plenum I was going to use. = Originally I=20 was going to manufacture one, box shape and only 2 1/2" wide 3 1/2" high = 8"=20 long. Really didn't think it would be big enough but made for a neat=20 installation.  
 
Hi Mick,
 
I'm not sure anyone here has experimented with = different=20 plenum sizes and shapes, though I'm convinced they can be an = important part=20 of the system.  I got quite an increase from just adding the little = one=20 that I have.  Eventually, I'll play with it some more, and see if I = can=20 improve things further.  Pity Ed's too busy to do some math for us=20 :-)   
 
Being turbocharged, you actually have the = luxury of being=20 somewhat inefficient with the intake design, since you'll be feeding by = brute=20 force.  If I were you, I'd probably just try it with the small = plenum that=20 you originally planned, and change it later if you feel the need. =20
 
Rusty (watching XM weather updating on the=20 pda)
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