Return-Path: Received: from fed1rmmtao07.cox.net ([68.230.241.32] verified) by logan.com (CommuniGate Pro SMTP 4.2.4) with ESMTP id 452972 for flyrotary@lancaironline.net; Tue, 05 Oct 2004 01:49:18 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.32; envelope-from=ALVentures@cox.net Received: from BigAl ([68.107.116.221]) by fed1rmmtao07.cox.net (InterMail vM.6.01.03.04 201-2131-111-106-20040729) with ESMTP id <20041005054845.GIVR1257.fed1rmmtao07.cox.net@BigAl> for ; Tue, 5 Oct 2004 01:48:45 -0400 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Street Porting question Date: Mon, 4 Oct 2004 22:49:03 -0700 Message-ID: <000501c4aa9f$0538b160$6400a8c0@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0006_01C4AA64.58D9D960" 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 V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0006_01C4AA64.58D9D960 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Subject: [FlyRotary] Street Porting question =20 Is there info in the archives, or another site that would provide diagrams or photos of what is done to the ports to improve breathing? I am rebuilding my 20B as a normally aspirated engine to install in = the RV-10 I am building, and the 240 HP from stock is a little less than I = would like. Any input would be greatly appreciated. =20 Phil in Willowbrook, RV-10 #40220 =20 I think 240 HP is a bit pessimistic. Check my dyno results on N.A. 20B = at http://members.cox.net/alg3/Dynamometer%20test%20report.htm =20 Stock porting, just some polishing. =20 =20 Al ------=_NextPart_000_0006_01C4AA64.58D9D960 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Subject: [FlyRotary] Street Porting question

Is there = info in the archives, or another site that would provide diagrams or photos of = what is done to the ports to improve breathing?

I am = rebuilding my 20B as a normally aspirated engine to install in the RV-10 I am = building, and the 240 HP from stock is a little less than I would like. Any = input would be greatly appreciated.

Phil in Willowbrook, RV-10 = #40220

I think 240 HP is a bit pessimistic. Check my dyno results on N.A. 20B at http= ://members.cox.net/alg3/Dynamometer%20test%20report.htm=

Stock porting, just some = polishing.

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