X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.123] verified) by logan.com (CommuniGate Pro SMTP 5.3.9) with ESMTP id 4493720 for flyrotary@lancaironline.net; Tue, 05 Oct 2010 09:41:53 -0400 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.123; envelope-from=eanderson@carolina.rr.com Return-Path: X-Authority-Analysis: v=1.1 cv=C0onXBtlORurSwCUfpuzpxmAU2q4LH+bZvnNY+zP63Q= c=1 sm=0 a=ISC7dQPcr8wA:10 a=rPkcCx1H5rrOSfN0dPC7kw==:17 a=arxwEM4EAAAA:8 a=r1ClD_H3AAAA:8 a=4VM7slwzAe21Ai05Ea0A:9 a=LCVW0zk15n1BH3x4-BbiKCFTl9MA:4 a=wPNLvfGTeEIA:10 a=glYVDZ00AAAA:8 a=Ia-xEzejAAAA:8 a=Y8ZiN7ZV7VEMu7qYYjsA:9 a=R8T5Wno9w7W1Kg7VMLcA:7 a=9RihbjaTaGmY4G15iSuKJvF0QXgA:4 a=XCwpvLtFMdsA:10 a=EzXvWhQp4_cA:10 a=rPkcCx1H5rrOSfN0dPC7kw==:117 X-Cloudmark-Score: 0 X-Originating-IP: 174.110.167.5 Received: from [174.110.167.5] ([174.110.167.5:49822] helo=EdPC) by cdptpa-oedge04.mail.rr.com (envelope-from ) (ecelerity 2.2.2.39 r()) with ESMTP id FA/0F-29346-DFA2BAC4; Tue, 05 Oct 2010 13:41:18 +0000 Message-ID: <0127559EB9244BACAFE19C4B237405A5@EdPC> From: "Ed Anderson" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Got Pressure! and really scary moment Date: Tue, 5 Oct 2010 09:41:15 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0026_01CB6471.74421140" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8117.416 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8117.416 This is a multi-part message in MIME format. ------=_NextPart_000_0026_01CB6471.74421140 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Chris, in hot humid weather when I had my intake manifold off for six = week, I came back and cranked to find absolute NO compression out of = either rotor. Dropping the exhaust and looking through the exhaust port = I could see what appeared to be a light sheen of rust on the rotor. = This happened right after my HALTECH (pre EC) fuel injection system had = failed locking the fuel injectors wide open and raw gasoline poured out = the exhaust - probably cleaning any of the oil that would usually linger = on the insides of the engine. It took me about 4 days by spraying penetrating oil and poking with a = brass bar to work the apex seals loose again - ALL BUT ONE. It finally = took a tear down of the engine and a punch to remove the remaining apex = seal. The moral of the story if you are going to leave the engine open = to a humid environment for any period of time. I would pour some marvel = mystery oil, ATF or something similar into the chambers and rotate the = engine every 2 weeks. So you are probably OK - those seals will stick, most often running the = engine will break them loose, but better they are loose before running = the engine in my opinion. Ed Edward L. Anderson Anderson Electronic Enterprises LLC 305 Reefton Road Weddington, NC 28104 http://www.andersonee.com http://www.eicommander.com From: Chris Barber=20 Sent: Monday, October 04, 2010 11:37 PM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Got Pressure! and really scary moment Got pressure! That is not a question, that is a statement. I put the = engine back on the plane today and I have oil moving freely and in a = constant stream coming from the front of the engine when I crank the = engine over. I currently have sent all my hoses off to a friends shop in AZ to have = them pressure tested. So it will be a bit before I can try starting it = again. I did have a pretty scary moment. While I was cranking the engine over = and seeing a good stream of oil, I noted that I was only getting four = chugs of air coming out of the rotors instead of six. YIKES. I took a = breath and looked in the spark plug holes in the second chamber where I = could only feel one puff of air coming out. I could visible see all = three apex seals, but who knows. So, I got some penetrant and sprayed = it onto the seals and poked them a bit with a small long probe. They = all seems springy and intact. After this little procedure, I could hear = and feel the six chugs I have come to know. If I get out there tomorrow, I will check to see/hear if all the chugs = are still present. I will keep my fingers crossed. Chris Houston ------=_NextPart_000_0026_01CB6471.74421140 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Chris, in hot humid weather when I had my intake = manifold=20 off for six week, I came back and cranked to find absolute NO = compression out of=20 either rotor.  Dropping the exhaust and looking through the exhaust = port I=20 could see what appeared to be a light sheen of rust on the rotor.  = This=20 happened right after my HALTECH (pre EC) fuel injection system had = failed=20 locking the fuel injectors wide open and raw gasoline poured out the = exhaust -=20 probably cleaning any of the oil that would usually linger on the = insides of the=20 engine.
 
It took me about 4 days by spraying penetrating = oil and=20 poking with a brass bar to work the apex seals loose again - ALL BUT = ONE. =20 It finally took a tear down of the engine and a punch to remove the = remaining=20 apex seal.  The moral of the story if you are going to leave the = engine=20 open to a humid environment for any period of time. I would pour some = marvel=20 mystery oil, ATF or something similar into the chambers and rotate the = engine=20 every 2 weeks.
 
So you are probably OK - those seals will stick, = most=20 often running the engine will break them loose, but better they are = loose before=20 running the engine in my opinion.
 
Ed
Edward L. Anderson
Anderson = Electronic=20 Enterprises LLC
305 Reefton Road
Weddington, NC 28104
http://www.andersonee.com
http://www.eicommander.com

From: Chris Barber
Sent: Monday, October 04, 2010 11:37 PM
To: Rotary motors in = aircraft
Subject: [FlyRotary] Got Pressure! and really scary=20 moment

Got pressure!  That is not a question, that is a = statement.  I=20 put the engine back on the plane today and I have oil moving freely and = in=20 a constant stream coming from the front of the engine when I = crank=20 the engine over.
 
I currently have sent all my hoses off to a friends shop in = AZ to=20 have them pressure tested. So it will be a bit before I can try = starting it=20 again.
 
I did have a pretty scary moment.  While I was cranking the = engine=20 over and seeing a good stream of oil, I noted that I was only getting = four chugs=20 of air coming out of the rotors instead of six.  YIKES.  I = took a=20 breath and looked in the spark plug holes in the second chamber where I = could=20 only feel one puff of air coming out.  I could visible see all = three apex=20 seals, but who knows.  So, I got = some penetrant=20 and sprayed it onto the seals and poked them a bit with a small long=20 probe.  They all seems springy and intact.  After = this=20 little procedure, I could hear and feel the six chugs I = have come=20 to know.
 
If I get out there tomorrow, I will check to see/hear if all the = chugs are=20 still present.  I will keep my fingers crossed.
 
Chris
Houston
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