X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from relais.videotron.ca ([24.201.245.36] verified) by logan.com (CommuniGate Pro SMTP 5.2.14) with ESMTP id 3748757 for flyrotary@lancaironline.net; Tue, 07 Jul 2009 21:57:32 -0400 Received-SPF: pass receiver=logan.com; client-ip=24.201.245.36; envelope-from=geryvon@videotron.ca MIME-version: 1.0 Content-type: multipart/alternative; boundary="Boundary_(ID_Fzgm8SGplgyop5m7i/M88Q)" Received: from yvon ([66.130.84.106]) by VL-MO-MR005.ip.videotron.ca (Sun Java(tm) System Messaging Server 6.3-4.01 (built Aug 3 2007; 32bit)) with SMTP id <0KMF00EYRWV03BZ0@VL-MO-MR005.ip.videotron.ca> for flyrotary@lancaironline.net; Tue, 07 Jul 2009 21:45:00 -0400 (EDT) Message-id: From: Yvon Cournoyer To: Rotary motors in aircraft References: Subject: Re: [FlyRotary] COG-BELT PSRU was (Re: INJECTION OIL IN FUEL) Date: Tue, 07 Jul 2009 21:54:26 -0400 X-Priority: 3 X-MSMail-priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5512 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 This is a multi-part message in MIME format. --Boundary_(ID_Fzgm8SGplgyop5m7i/M88Q) Content-type: text/plain; charset=iso-8859-1 Content-transfer-encoding: 7BIT Salut George My PSRU has been in use on my Zenair Zenith since 1995. I have logged 33 hrs flight time plus at least as much ground running. I dismantled it last fall for inspection and lubrication. Belt, sprockets and bearings are in excellent condition. Total weight is about 53 lbs. The PSRU is driven from a Mazda RX-7 automobile clutch which is bolted to the 13B flywheel. As for the design, you would need to contact Richard Finch himself. Perhaps a Google search... Yvon ----- Original Message ----- From: George Lendich To: Rotary motors in aircraft Sent: Tuesday, July 07, 2009 5:44 PM Subject: [FlyRotary] Re: INJECTION OIL IN FUEL Yvon, I would be interested in how this works for you in terms of life of belts etc. I would also be interested in the design for my single rotor. Do you incorporate torsional vibration isolators or rely on the belt to do that work? George (down under) Allo Bernie The cog-belt PSRU that I fly is based on Richard Finch's 1986 design. I had some parts made by a machine shop and I put it together myself and adapted it to my 13B engine. The belt and sprockets are Gates Poly Chain GT products. RPM sprocket limit 3200 rpm. Gates rates the belt HP limit at about 150 HP Yvon ----- Original Message ----- From: Berniehb7448@wmconnect.com To: Rotary motors in aircraft Sent: Friday, July 03, 2009 1:56 PM Subject: [FlyRotary] Re: INJECTION OIL IN FUEL Sorry, I don't have an answer, but I would like to know more about your cog-belt PSRU, who makes it and what are the operating limits (like HP limit, RPM limit, etc.). Thank you. Bernie --Boundary_(ID_Fzgm8SGplgyop5m7i/M88Q) Content-type: text/html; charset=iso-8859-1 Content-transfer-encoding: 7BIT
Salut George
My PSRU has been in use on my Zenair Zenith since 1995. I have logged 33 hrs flight time plus at least as much ground running.  I dismantled it last fall for inspection and lubrication. Belt, sprockets and bearings are in excellent condition. Total weight is about 53 lbs.
The PSRU is driven from a Mazda RX-7 automobile clutch which is bolted to the 13B flywheel.
As for the design, you would need to contact Richard Finch himself. Perhaps a Google search...
Yvon
----- Original Message -----
Sent: Tuesday, July 07, 2009 5:44 PM
Subject: [FlyRotary] Re: INJECTION OIL IN FUEL

Yvon,
I would be interested in how this works for you in terms of life of belts etc. I would also be interested in the design for my single rotor. Do you incorporate torsional vibration isolators or rely on the belt to do that work?
George (down under)

Allo Bernie
The cog-belt PSRU that I fly is based on Richard Finch's 1986 design. I had some parts made by a machine shop and I put it together myself and adapted it to my 13B engine. The belt and sprockets are Gates Poly Chain GT products. RPM sprocket limit 3200 rpm. Gates rates the belt HP limit at about 150 HP
Yvon 
----- Original Message -----
Sent: Friday, July 03, 2009 1:56 PM
Subject: [FlyRotary] Re: INJECTION OIL IN FUEL

Sorry, I don't have an answer, but I would like to know more about your cog-belt PSRU, who makes it and what are the operating limits (like HP limit, RPM limit, etc.).  Thank you. Bernie
--Boundary_(ID_Fzgm8SGplgyop5m7i/M88Q)--