Return-Path: <13brv3@bellsouth.net> Received: from imf21aec.mail.bellsouth.net ([205.152.59.69] verified) by logan.com (CommuniGate Pro SMTP 4.2) with ESMTP id 395900 for flyrotary@lancaironline.net; Mon, 06 Sep 2004 22:36:38 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.69; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf21aec.mail.bellsouth.net (InterMail vM.5.01.06.08 201-253-122-130-108-20031117) with ESMTP id <20040907023600.NSKH1791.imf21aec.mail.bellsouth.net@rd> for ; Mon, 6 Sep 2004 22:36:00 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Manifold Pressure Date: Mon, 6 Sep 2004 21:36:03 -0500 Message-ID: <000401c49483$6b924070$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0005_01C49459.82BC3870" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0005_01C49459.82BC3870 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit What size did you make the runners again? They're 1.75 OD tubing, which means about 1.625" ID. That happens to match my TB bores perfectly, so it seems like a good idea. I think Ed used the same size on one of his many intakes, though it wasn't being asked to generate as much power in those B drive days. BTW, these split just before the engine to the primary and secondary ports. Cheers, Rusty (machine shop dunce) ------=_NextPart_000_0005_01C49459.82BC3870 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

What size did you make the runners again?

They're = 1.75 OD tubing,=20 which means about 1.625" ID.  That happens to match my TB bores = perfectly,=20 so it seems like a good idea.  I think Ed used the same size on one = of his=20 many intakes, though it wasn't being asked to generate as much power in = those B=20 drive days.  BTW, these split just before the engine to the primary = and=20 secondary ports. 
 
Cheers,
Rusty = (machine shop=20 dunce)



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