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 4.3.5) with ESMTP id 1023015 for flyrotary@lancaironline.net; Mon, 27 Jun 2005 08:52:45 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.70; envelope-from=13brv3@bellsouth.net Received: from ibm67aec.bellsouth.net ([65.6.194.9]) by imf22aec.mail.bellsouth.net with ESMTP id <20050627125200.IEPI2463.imf22aec.mail.bellsouth.net@ibm67aec.bellsouth.net> for ; Mon, 27 Jun 2005 08:52:00 -0400 Received: from rd ([65.6.194.9]) by ibm67aec.bellsouth.net with ESMTP id <20050627125159.PJHZ11273.ibm67aec.bellsouth.net@rd> for ; Mon, 27 Jun 2005 08:51:59 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: 88 13b NA Date: Mon, 27 Jun 2005 07:51:59 -0500 Message-ID: <000001c57b17$0242e590$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C57AED.196F4E90" 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 V6.00.2900.2527 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C57AED.196F4E90 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable 180 - 200hp @ 6500, and 200 - 250hp @ 7700. I'd like to keep longevity = and reliability, I think a mild/street port will easily get you into those ranges. The = only way to make it into the upper part of your power range for 7700 rpm, = will be with a more radical port, such as a bridge port, or Peripheral port. = Both of those options will likely cost you some power in the mid to lower = rpms, and probably (just my guess) some fuel economy in cruise. =20 =20 A turbo would easily give you what you want too, but that's a whole new = can of worms, and almost wastes the capability of that nice MT prop. =20 =20 Cheers, Rusty (still turbo shopping) =20 ------=_NextPart_000_0001_01C57AED.196F4E90 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

180 - 200hp @ 6500,  and 200 - 250hp @ = 7700.  I'd like=20 to keep longevity and
reliability,

I think = a mild/street=20 port will easily get you into those ranges.  The only way to make = it into=20 the upper part of your power range for 7700 rpm, will be with a = more=20 radical port, such as a bridge port, or Peripheral port.  Both of = those=20 options will likely cost you some power in the mid to lower rpms, and = probably=20 (just my guess) some fuel economy in cruise. 
 
A turbo = would easily=20 give you what you want too, but that's a whole new can of worms, = and almost=20 wastes the capability of that nice MT = prop.  
 
Cheers,
Rusty = (still turbo=20 shopping)   




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