X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from access.aic-fl.com ([207.30.253.2] verified) by logan.com (CommuniGate Pro SMTP 5.1.10) with ESMTP id 2160565 for flyrotary@lancaironline.net; Thu, 05 Jul 2007 20:44:35 -0400 Received-SPF: softfail receiver=logan.com; client-ip=207.30.253.2; envelope-from=unicorn@gdsys.net Received: from main (gdsi-66.gdsys.net [207.30.255.66]) by access.aic-fl.com (Rockliffe SMTPRA 4.5.6) with SMTP id for ; Thu, 5 Jul 2007 19:40:24 -0500 Message-ID: <001f01c7bf66$bbd69480$42ff1ecf@main> From: "Richard Sohn" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] OMP flow rate Date: Thu, 5 Jul 2007 19:43:55 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001C_01C7BF3C.D2756380" 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 This is a multi-part message in MIME format. ------=_NextPart_000_001C_01C7BF3C.D2756380 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable ----- Original Message -----=20 From: Al Gietzen=20 To: Rotary motors in aircraft=20 Sent: Thursday, July 05, 2007 7:12 PM Subject: [FlyRotary] OMP flow rate Does anyone know what the flow rate is from the OMP? Unfortunately, I don't know what year the pump is from. It is on my = 20B which has a 12A front cover. It is a 4-port, likely from a 13B, in = which one port has been blocked and the other three go one to each rotor = housing. The only data I have on hand is what Richard measured some years ago, = running the pump at 6000 rpm. This could useful if I knew the ratio of = pump speed to eccentric shaft speed. Thanks, Al The OMP drive gear is the same size as the distributor gear. So it = runs half as fast as the E-shaft. In my tests I referred to the E-shaft = speed. Richard Sohn N2071U -------------------------------------------------------------------------= ----- No virus found in this incoming message. Checked by AVG Free Edition.=20 Version: 7.5.476 / Virus Database: 269.10.0/886 - Release Date: = 7/4/2007 1:40 PM ------=_NextPart_000_001C_01C7BF3C.D2756380 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
 
----- Original Message -----
From:=20 Al = Gietzen=20
Sent: Thursday, July 05, 2007 = 7:12=20 PM
Subject: [FlyRotary] OMP flow = rate

Does anyone know what = the flow=20 rate is from the OMP?

Unfortunately, I = don=92t know what=20 year the pump is from.  It is on my 20B which has a 12A front = cover.=20  It is a 4-port, likely from a 13B, in which one port has been = blocked=20 and the other three go one to each rotor housing.

 

The only data I have = on hand is=20 what Richard measured some years ago, running the pump at 6000 rpm. =  This=20 could useful if I knew the ratio of pump speed to eccentric shaft=20 speed.

 

Thanks,

 

Al

The OMP drive gear is the same size as the = distributor=20 gear. So it runs half as fast as the E-shaft. In my tests I referred = to the=20 E-shaft speed.
 
Richard Sohn
N2071U
 
 

No virus found in this incoming message.
Checked by AVG Free = Edition.
Version: 7.5.476 / Virus Database: 269.10.0/886 - Release = Date:=20 7/4/2007 1:40 PM
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