X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from smtp1.av-mx.com ([137.118.16.57] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3872625 for flyrotary@lancaironline.net; Fri, 02 Oct 2009 18:37:33 -0400 Received-SPF: pass receiver=logan.com; client-ip=137.118.16.57; envelope-from=res12@fairpoint.net Received: from main (unknown [66.243.229.194]) (Authenticated sender: res12@fairpoint.net) by smtp1.av-mx.com (Postfix) with ESMTP id 92464290EBD for ; Fri, 2 Oct 2009 18:36:56 -0400 (EDT) Message-ID: <2DEE961202134BE3B19C407DC36CF1E3@main> From: "Richard Sohn" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Good, bad news...too much oil pressure somewhere Date: Fri, 2 Oct 2009 17:37:36 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00FC_01CA4387.07AC9FC0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5843 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 This is a multi-part message in MIME format. ------=_NextPart_000_00FC_01CA4387.07AC9FC0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Chris, I had a problem on the single rotor with busting the oil filter a while = back. It turned out to be to much flow restriction in the oil cooler. = Every thing else appeared to be normal.=20 FWIW. Richard Sohn N2071U ----- Original Message -----=20 From: Chris Barber=20 To: Rotary motors in aircraft=20 Sent: Friday, October 02, 2009 5:21 PM Subject: [FlyRotary] Good, bad news...too much oil pressure somewhere As loyal readers may recall I have been concerned about oil = seeping/leaking out from around my oil filter seal on my remotlely = mounted oil filter. I have replaced the remote mount and tried 4 = different K&N filters and an STP filter to no avail. Well, in the tradition of test it til it breaks, after focusing on = some other tasks today, I cranked up the engine one last time to see if = my "task" had screwed anyting up. Since is was a coooool 85 degress and = my oil temps were showing about low after start up, I figured I would go = WOT and see how long it would take to get to 210....uh, pretty quick for = those curious (even though I can idle at 1400 - 1700 dang near all day). = I looked to the engine and could see the small drip marks of the oil = leak, continued at full throttle for a few more seconds and shut down. = I got out of the plane and saw a huge puddle of oil where the small = amount had been. Upon closer examination, oil was all over the bottom = of the engine and I had a nicely oiled prop (pusher Velocity). Almost = immediatly I noticed one of my heavy duty Aeroquip oil lines had burst. = Hmmmmm, the Oil Pressure reading never went over 75 and was around 35 = when idle (as a matter of fact, at idle, it is usualy around 30). I = belive these reading to be in the normal ranges. Anyway, I have plans tonight so I had to push the bird back into the = hangar and think about things. As suspected, the seeping remote mount = was a mere symptom. Now to determine what was causing the apparantly = high pressure near the remote mount and the burst hose. The lines are = fed to the mount correctly, but I shall check again. Y'all's thougts = are appreciated and sought. On a better note, after fighting some electrical issues, esp with my = coils, I kept getting inconsistant reading on the multimeter when using = the Mazda coil harness. I finely gave in and cut it to pieces and wired = it direclty using just the connectors into the coil and eleminating the = plut into the old harnes by directly soldering the wires. This seems to = have solved the problem. It is great to turn off secondary, = primary/coils, injectors in various patterns and the engine still run as = expected. Now, I am convinced that the rotary can run, if poorly, on = ONE coil as it may do if someone forgot to reattach the leading coil = spark plug wire on rotar one......don't ask how I know . Well I am off to a fine dining experience...or so I hope. Great to = comtemplate tomorrows activity. =20 Thanks for your attention. All the best, Chris Barber Houston Warning: This e-mail transmission, and any documents, files or = previous e-mails attached to it, may contain confidential information = that is legally privileged. If you are not the intended recipient or the = person responsible for delivering it to the intended recipient, you are = hereby notified that any disclosure, copying, distribution or use of any = of the information contained in or attached to this transmission is = STRICTLY PROHIBITED. If you have received this transmission in error, = please immediately notify us by telephone at 713-662-8132 and destroy = the original transmission and its attachments without reading them. = Thank you. -------------------------------------------------------------------------= ----- No virus found in this incoming message. Checked by AVG - www.avg.com=20 Version: 8.5.409 / Virus Database: 270.14.3/2409 - Release Date: = 10/02/09 06:46:00 ------=_NextPart_000_00FC_01CA4387.07AC9FC0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi Chris,
 
I had a problem on the single rotor = with busting=20 the oil filter a while back. It turned out to be to much flow=20 restriction in the oil cooler. Every thing else appeared to be = normal.=20
FWIW.
 
Richard Sohn
N2071U
 
 
----- Original Message -----
From:=20 Chris Barber
Sent: Friday, October 02, 2009 = 5:21=20 PM
Subject: [FlyRotary] Good, bad = news...too=20 much oil pressure somewhere

As loyal = readers may=20 recall I have been concerned about oil seeping/leaking out from around = my oil=20 filter seal on my remotlely mounted oil filter.  I have replaced = the=20 remote mount and tried 4 different K&N filters and an STP filter = to no=20 avail.
 
Well, in the tradition of = test it til it=20 breaks, after focusing on some other tasks today, I cranked up the = engine one=20 last time to see if my "task" had screwed anyting up.  Since is = was a=20 coooool 85 degress and my oil temps were showing about low after start = up, I=20 figured I would go WOT and see how long it would take to get to = 210....uh,=20 pretty quick for those curious (even though I can idle at 1400 - 1700 = dang=20 near all day).  I looked to the engine and could see the small = drip marks=20 of the oil leak, continued at full throttle for a few more seconds and = shut=20 down.  I got out of the plane and saw a huge puddle of oil where = the=20 small amount had been.  Upon closer examination, oil was all over = the=20 bottom of the engine and I had a nicely oiled prop (pusher = Velocity). =20 Almost immediatly I noticed one of my heavy duty Aeroquip oil lines = had=20 burst.  Hmmmmm, the Oil Pressure reading never went over 75 and = was=20 around 35 when idle (as a matter of fact, at idle, it=20 is usualy around 30).  I belive these reading to be in = the=20 normal ranges.
 
Anyway, I have plans = tonight so I=20 had to push the bird back into the hangar and think about = things. =20 As suspected, the seeping remote mount was a mere symptom.  = Now to=20 determine what was causing the apparantly high pressure near the = remote mount=20 and the burst hose.  The lines are fed to the mount correctly, = but I=20 shall check again.  Y'all's thougts are appreciated and=20 sought.
 
On a better note, after = fighting some=20 electrical issues, esp with my coils, I kept getting = inconsistant reading=20 on the multimeter when using the Mazda coil harness.  I = finely gave=20 in and cut it to pieces and wired it direclty using just the=20 connectors into the coil and eleminating the plut into the = old=20 harnes by directly soldering the wires.  This seems to have = solved=20 the problem.  It is great to turn off secondary,=20 primary/coils, injectors in various patterns and the engine still = run as=20 expected.  Now, I am convinced that the rotary can run, if = poorly,=20 on ONE coil as  it may do if someone forgot to = reattach the=20 leading coil spark plug wire on rotar one......don't ask how I know=20 <g>.
 
Well I am off to a fine = dining=20 experience...or so I hope.  Great to comtemplate tomorrows=20 activity. 
 
Thanks for your=20 attention.
 
All the = best,
 
Chris = Barber
Houston

Warning:=20 This e-mail transmission, and any documents, files or previous e-mails = attached to it, may contain confidential information that is legally=20 privileged. If you are not the intended recipient or the person = responsible=20 for delivering it to the intended recipient, you are hereby notified = that any=20 disclosure, copying, distribution or use of any of the information = contained=20 in or attached to this transmission is STRICTLY PROHIBITED. If you = have=20 received this transmission in error, please immediately notify us by = telephone=20 at 713-662-8132 and destroy the original transmission and its = attachments=20 without reading them. Thank you.


No virus found in this incoming message.
Checked by AVG = -=20 www.avg.com
Version: 8.5.409 / Virus Database: 270.14.3/2409 - = Release=20 Date: 10/02/09 06:46:00
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