Return-Path: Received: from access.aic-fl.com ([204.49.76.2] verified) by logan.com (CommuniGate Pro SMTP 4.2.2) with ESMTP id 420905 for flyrotary@lancaironline.net; Sat, 18 Sep 2004 21:52:03 -0400 Received-SPF: none receiver=logan.com; client-ip=204.49.76.2; envelope-from=unicorn@gdsys.net Received: from homep276y68tk5 (unverified [204.49.76.207]) by access.aic-fl.com (Rockliffe SMTPRA 4.5.6) with SMTP id for ; Sat, 18 Sep 2004 20:52:11 -0500 Message-ID: <000c01c49deb$4830f560$cf4c31cc@homep276y68tk5> From: "Richard" To: "Rotary motors in aircraft" Subject: P-Port Single Rotor Date: Sat, 18 Sep 2004 20:51:58 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0009_01C49DC1.5708CCE0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. ------=_NextPart_000_0009_01C49DC1.5708CCE0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Made a first test run with P-Port only. The side port was closed off at = the side housing. Fired up immediately. Idles at 1200RPM. No close up butterfly. Intake = control is with carb slide only (38mm Mikuni). Intake length is 6.5" and is not supposed to be tuned any at this time.=20 Exhaust is equipped with tangential muffler with no buffles inside. Can = be tolerated in the test stand without ear protection.=20 I am pretty sure that this is the end of the combination port = configuration, as far as I am concerned. With 1200RPM idle and 7500RPM = max, I have a RPM ratio of 6.25/1 giving a comparable LYC idle speed of = 432RPM, I can't ask for any better.=20 Got through IVAN without any scratches, located about 60mi NE of Rusty. Richard Sohn N-2071U unicorn@gdsys.net ------=_NextPart_000_0009_01C49DC1.5708CCE0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Made a first test run with P-Port only. = The side=20 port was closed off at the side housing.
 
Fired up immediately. Idles at 1200RPM. = No close up=20 butterfly. Intake control is with carb slide only (38mm = Mikuni).
 
Intake length is 6.5" and is not = supposed to be=20 tuned any at this time.
 
Exhaust is equipped with tangential = muffler with no=20 buffles inside. Can be tolerated in the test stand without ear = protection.=20
 
I am pretty sure that this is the end = of the=20 combination port configuration, as far as I am concerned. With 1200RPM = idle and=20 7500RPM max, I have a RPM ratio of 6.25/1 giving a comparable LYC idle = speed of=20 432RPM, I can't ask for any better.
 
Got through IVAN without any scratches, = located=20 about 60mi NE of Rusty.
 
Richard Sohn
N-2071U
unicorn@gdsys.net
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