Return-Path: Received: from [24.25.9.102] (HELO ms-smtp-03-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.2) with ESMTP id 384387 for flyrotary@lancaironline.net; Mon, 30 Aug 2004 06:55:27 -0400 Received-SPF: none receiver=logan.com; client-ip=24.25.9.102; envelope-from=eanderson@carolina.rr.com Received: from EDWARD (cpe-069-132-183-211.carolina.rr.com [69.132.183.211]) by ms-smtp-03-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id i7UAssiB013535 for ; Mon, 30 Aug 2004 06:54:55 -0400 (EDT) Message-ID: <003501c48e7f$d13f16a0$2402a8c0@EDWARD> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Engine run - Good news/bad news Date: Mon, 30 Aug 2004 06:55:09 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0032_01C48E5E.49EF5C30" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1409 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_0032_01C48E5E.49EF5C30 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: Monday, August 30, 2004 1:14 AM Subject: [FlyRotary] Re: Engine run - Good news/bad news Subject: [FlyRotary] Re: Engine run - Good news/bad news Al, Sounds like you are looking at the brass "sleeve" bearing around = the prop shaft. Should, of course,have an opening for the oil. If this = PSRU was run on the dyno it sounds that like either: 1. This condition existed before the dyno runs (could be a missed step = in manufacturing) or 2. The sleeve has sheared its pins and spun in the casting. Ed Ed; The run on the dyno was without redrive. It has now run less than 10 = minutes at low rpm, but with no trace of oil in the drain line, clearly = there never was any flow. Fortunately, I caught the problem early. = Presumably no damage to the drive. Al With the low rpms and minimum length runs, you are in all likelihood = correct. Since its still under warranty and it will have to be torn = down to fix the problem - if there is any damage, it should be easy = enough to replace the gears or whatever. That is one of the things I = like about Tracy's redrive as opposed to the Ross drive. You needed a = machine shop to replace anything associated with propeller shaft on the = Ross. Good luck, I will be interested to hear what the cause of the plugged = oil inlet hole is. Ed . =20 ------=_NextPart_000_0032_01C48E5E.49EF5C30 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
 
 ----- Original Message -----
From:=20 Al = Gietzen=20
Sent: Monday, August 30, 2004 = 1:14=20 AM
Subject: [FlyRotary] Re: Engine = run -=20 Good news/bad news

Subject:=20 [FlyRotary] Re: Engine run - Good news/bad news

 

Al, Sounds like you are = looking at=20 the brass "sleeve" bearing around the prop shaft.  Should, = of=20 course,have an opening for the oil.  If this PSRU was run on the = dyno it=20 sounds that like either:

 

1. This condition = existed=20 before the dyno runs (could be a missed step in manufacturing)=20 or

2. The sleeve has = sheared its pins=20 and spun in the casting.

 

Ed

 

Ed;

 

The run = on the dyno=20 was without redrive.  It has now run less than 10 minutes at low = rpm, but=20 with no trace of oil in the drain line, clearly there never was any=20 flow.  Fortunately, I caught the problem early.  Presumably = no=20 damage to the drive.

 

Al

 

With the = low rpms=20 and minimum length runs, you are in all likelihood correct.  = Since its=20 still under warranty and it will have to be torn down to fix the = problem - if=20 there is any damage, it should be easy enough to replace the = gears=20 or whatever.  That is one of the things I like about Tracy's = redrive as=20 opposed to the Ross drive.  You needed a machine shop to replace = anything=20 associated with propeller shaft on the Ross.

 

Good = luck, I will=20 be interested to hear what the cause of the plugged oil inlet hole=20 is.

 

Ed

 

. =20

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