X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [199.185.220.223] (HELO priv-edtnes27.telusplanet.net) by logan.com (CommuniGate Pro SMTP 4.3c5) with ESMTP id 951961 for flyrotary@lancaironline.net; Sat, 21 May 2005 11:32:06 -0400 Received-SPF: pass receiver=logan.com; client-ip=199.185.220.223; envelope-from=echolakeresort@telus.net Received: from [207.194.127.136] by priv-edtnes27.telusplanet.net (InterMail vM.6.01.04.04 201-2131-118-104-20050224) with ESMTP id <20050521153110.DYMB20491.priv-edtnes27.telusplanet.net@[207.194.127.136]> for ; Sat, 21 May 2005 09:31:10 -0600 Received: from 127.0.0.1 (AVG SMTP 7.0.322 [266.11.13]); Sat, 21 May 2005 08:31:05 -0700 Message-Id: <428F540C.000001.02556@BOUCHER-ODDLE24> Date: Sat, 21 May 2005 08:30:20 -0700 (Pacific Standard Time) X-Mailer: IncrediMail (3001609) From: "Echo Lake Fishing Resort (Georges Boucher)" References: To: Subject: Re: [FlyRotary] Re: Seized 13b X-FID: FLAVOR00-NONE-0000-0000-000000000000 X-Priority: 3 Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="=======AVGMAIL-428F543969AA=======" --=======AVGMAIL-428F543969AA======= Content-Type: Multipart/Alternative; boundary="------------Boundary-00=_K2JUQL80000000000000" --------------Boundary-00=_K2JUQL80000000000000 Content-Type: Text/Plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Hi! Lynn=0D Three questions : Why is the filter before the 2nd cooler & not in front = of the first? what did you do with the Mazda pump? How much weight do you th= ink the dry sump systems adds? On Andy's system the set up is unknown, so he could have had restrictions or supply problem at different attitudes (Atk= ins said that he used bits & pieces from an helicopter).=0D Georges B.=0D =0D -------Original Message-------=0D =0D From: Rotary motors in aircraft=0D Date: 05/21/05 04:06:03=0D To: Rotary motors in aircraft=0D Subject: [FlyRotary] Re: Seized 13b=0D =0D In a message dated 05/20/2005 12:09 Central Daylight Time, WRJJRS@aol.com writes:=0D It must have been a really bad "dry sump." Since the engine seized there = as a bad problem. =0D Bill Jepson=0D =0D =0D I think there is far more to the story than has been exposed here. =0D =0D The bearings are very large in area and if just wetted with oil will run = for quite some time with light load and zero oil pressure. When I worked in t= he cabinet shop we had a jointer with 4 knives and a 60 pound rotor to carry them. It got a few drops of oil each morning, and ran just about all day.= It had poured babbit bearings. It was 60 years old when I used it and is sti= ll running today, 35 years later. =0D =0D A full throttle takeoff with no oil pressure would do it in with a high probability.=0D =0D We did race for years without a windage plate between the engine and the = pan When braking hard, the entire oil supply would run up into the front cov= er and uncover the pickup.=0D Just a wiggle in the gage would indicate there was much reduced oil press= ure No damage ever resulted. =0D =0D Picture is my dry sump layout.=0D =0D Lynn E. Hanover =0D =20 --------------Boundary-00=_K2JUQL80000000000000 Content-Type: Text/HTML; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable
Hi! Lynn
Three questions : Why is the filter before the 2nd cooler = & not in front of the first? what did you do with the Mazda pump? How= much weight do you think the dry sump systems adds? On Andy's system the= set up is unknown, so he could have had restrictions or supply problem a= t different attitudes (Atkins said that he used bits & pieces from an= helicopter).
Georges B.
 
-------Original Message-------
 
Date: 05/21/05 04:= 06:03
Subject: [FlyRotar= y] Re: Seized 13b
 
In a message dated 05/20/2005 12:09 Central Daylight Time, WRJJRS@ao= l.com writes:
It must have been a really bad "dry sump." Since the engine seized t= here as a bad problem.
Bill Jepson
 
 
I think there is far more to the story than has been exposed here. <= /DIV>
 
The bearings are very large in area and if just wetted with oil will= run for quite some time with light load and zero oil pressure. When I wo= rked in the cabinet shop we had a jointer with 4 knives and a 60 pound ro= tor to carry them. It got a few drops of oil each morning, and ran just a= bout all day. It had poured babbit bearings. It was 60 years old when I u= sed it and is still running today, 35 years later.
 
A full throttle takeoff with no oil pressure would do it in with a h= igh probability.
 
We did race for years without a windage plate between the engine and= the pan. When braking hard, the entire oil supply would run up into the = front cover and uncover the pickup.
Just a wiggle in the gage would indicate there was much reduced oil = pressure. No damage ever resulted. 
 
Picture is my dry sump layout.
 
Lynn E. Hanover 
 
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