X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail35.syd.optusnet.com.au ([211.29.133.51] verified) by logan.com (CommuniGate Pro SMTP 5.1.9) with ESMTPS id 2079392 for flyrotary@lancaironline.net; Fri, 01 Jun 2007 18:52:29 -0400 Received-SPF: none receiver=logan.com; client-ip=211.29.133.51; envelope-from=lendich@optusnet.com.au Received: from george (d211-31-100-51.dsl.nsw.optusnet.com.au [211.31.100.51]) by mail35.syd.optusnet.com.au (8.13.1/8.13.1) with SMTP id l51Mpjwp021257 for ; Sat, 2 Jun 2007 08:51:47 +1000 Message-ID: <00a301c7a49f$6efd7c50$33641fd3@george> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: PP Ve??? was Re: Intake CFM air flow Date: Sat, 2 Jun 2007 08:51:45 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00A0_01C7A4F3.3F892830" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Antivirus: avast! (VPS 0657-0, 12/12/2006), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_00A0_01C7A4F3.3F892830 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable OK Lynn, what's the guesstimate for a 44.. P-port intake ( single rotor) = at 7,500 using the RX8 high compression rotor with 3mm seals. And would = I get more with a bigger port? George (down under) Ok, looks like all the bugs are out of the math and it looks like = our PP 12A=20 gets around 120%Ve. That corresponds to a number I had hear before, = but=20 nice to have an example to support it. Thanks Lynn, Blake and Bob Ed A 13B Pport with just a hint of boost (2 or 3 pounds) up to 12,000 = feet would make one heck of an airplane engine. The advantage of the Pport is it's near lack of reversions. In the = side port, the flat side of the rotor keeps showing up in the port = entrance. In the Pport only the pointy end of the rotor crossing the = port, and the lower half of that is connected to the low pressure from = the open exhaust port and header.=20 Lynn E. Hanover -------------------------------------------------------------------------= ----- See what's free at AOL.com. ------=_NextPart_000_00A0_01C7A4F3.3F892830 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

OK Lynn, what's the guesstimate for a 44.. = P-port intake (=20 single rotor) at 7,500 using the RX8 high compression rotor with 3mm = seals. And=20 would I get more with a bigger port?
George (down under)
Ok,=20 looks like all the bugs are out of the math and it looks like our PP = 12A=20
gets around 120%Ve.  That corresponds to a number I had = hear=20 before, but
nice to have an example to support it.

Thanks = Lynn,=20 Blake and Bob

Ed
A 13B Pport with just a hint of boost (2 or 3 pounds) up to = 12,000 feet=20 would make one heck of an airplane engine.
 
The advantage of the Pport is it's near lack of reversions. In = the side=20 port, the flat side of the rotor keeps showing up in the port = entrance. In the=20 Pport only the pointy end of the rotor crossing the port, and the = lower half=20 of that is connected to the low pressure from the open exhaust port = and=20 header.
 
Lynn E. Hanover



See what's free at AOL.com.=20
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