X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: <13brv3@bellsouth.net> Received: from imf20aec.mail.bellsouth.net ([205.152.59.68] verified) by logan.com (CommuniGate Pro SMTP 4.3.4) with ESMTP id 1008518 for flyrotary@lancaironline.net; Tue, 21 Jun 2005 00:31:01 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.68; envelope-from=13brv3@bellsouth.net Received: from ibm62aec.bellsouth.net ([65.6.194.9]) by imf20aec.mail.bellsouth.net with ESMTP id <20050621043016.XTT2220.imf20aec.mail.bellsouth.net@ibm62aec.bellsouth.net> for ; Tue, 21 Jun 2005 00:30:16 -0400 Received: from rd ([65.6.194.9]) by ibm62aec.bellsouth.net with ESMTP id <20050621043016.UNVR8050.ibm62aec.bellsouth.net@rd> for ; Tue, 21 Jun 2005 00:30:16 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: Single PP HP? Date: Mon, 20 Jun 2005 23:30:17 -0500 Message-ID: <000001c57619$ed4e0360$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C575F0.0477FB60" 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_01C575F0.0477FB60 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I just had a meeting with a chap in the racing game who specialises in P-port - do you know what size he recommends for all round performance, = you guessed it 38mm ( 1.5"). Now Jerry will be glad to hear this! =20 Hi George, =20 Is this guy limited to 38mm for some racing rules, or does he just think that's best? Since he's building race engines, with the size ports that = are being theorized as optimum, can you post some dyno runs of one of his engines? I still think it would be interesting to see how the PP = compares to a conventional street port REW in the 7000-7500 range that we're interested in. I'm sure we could get dyno reports from Lynn or Leon = from various bridge ports, and street ports for comparison. =20 =20 How much HP do you expect to get from your PP Renesis, and at what RPM? Since you're making your own gear drive, are you planning to try to get = a higher ratio, to take advantage of the PP? =20 =20 Cheers, Rusty (got several housings, but not convinced I should punch extra = holes in them) ------=_NextPart_000_0001_01C575F0.0477FB60 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
I just had a meeting with a chap in the = racing game=20 who specialises in P-port - do you know what size he recommends for all = round=20 performance, you guessed it 38mm ( 1.5"). Now Jerry will be glad to hear = this!
 
Hi=20 George,
 
Is this guy=20 limited to 38mm for some racing rules, or does he just think = that's=20 best?  Since he's building race engines, with the size ports that = are being=20 theorized as optimum, can you post some dyno runs of one of his = engines?  I=20 still think it would be interesting to see how the PP compares to a = conventional=20 street port REW in the 7000-7500 range that we're interested in.  = I'm sure=20 we could get dyno reports from Lynn or Leon from various bridge ports, = and=20 street ports for comparison.  
 
How=20 much HP do you expect to get from your PP Renesis, and at what = RPM? =20 Since you're making your own gear drive, are you planning to try to = get a=20 higher ratio, to take advantage of the = PP?  
 
Cheers,
Rusty (got=20 several housings, but not convinced I should punch extra holes in=20 them)
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