X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost02.isp.att.net ([204.127.217.102] verified) by logan.com (CommuniGate Pro SMTP 5.4c2) with ESMTP id 4923754 for flyrotary@lancaironline.net; Sat, 26 Mar 2011 23:21:01 -0400 Received-SPF: none receiver=logan.com; client-ip=204.127.217.102; envelope-from=bbradburry@bellsouth.net Received: from desktop (adsl-85-145-79.mco.bellsouth.net[98.85.145.79]) by isp.att.net (frfwmhc02) with SMTP id <20110327032025H0200orr41e>; Sun, 27 Mar 2011 03:20:25 +0000 X-Originating-IP: [98.85.145.79] From: "Bill Bradburry" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Re: On the subject of installations...Coolant Pressure Date: Sat, 26 Mar 2011 23:20:28 -0400 Message-ID: <9B72E8C15FB0481A8C40249DAF3D8C4A@Desktop> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0074_01CBEC0C.65061050" X-Mailer: Microsoft Office Outlook 11 Thread-Index: AcvsDj5a5q9MzouDRleEusknw1wd4gAH4cKA X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18049 This is a multi-part message in MIME format. ------=_NextPart_000_0074_01CBEC0C.65061050 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Lynn, My pressure is running maxed out at 21 lbs..the pressure of the cap. Bill B _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Lehanover@aol.com Sent: Saturday, March 26, 2011 7:33 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: On the subject of installations...Coolant Pressure In a message dated 3/26/2011 12:40:40 P.M. Eastern Daylight Time, bbradburry@bellsouth.net writes: I checked the coolant in the radiator for oil residue floating on top and found none. The radiator was completely full with no air. I removed a plug from each rotor and turned the engine over looking for water coming out of the plug holes.nothing. It appears to me that the o-rings are not failed and the high coolant pressure is not coming from a leak from the combustion chambers. I have located a borescope and I plan to inspect the inside of the radiator tank on the inlet side. I also plan to remove the water pump and inspect as far inside the coolant passages as I can see looking for an obstruction. Do I need to replace the gasket on the water pump when I reinstall it? Do I need to use any sealant? What say ye who have removed/replaced water pumps? If the o-rings are ok and if I don't find an obstruction, any other ideas as to the cause of the high water pressure?? What about any suggested tests??? Bill B I must have missed this. How much pressure are you making? I glue gaskets to the pieces with Non Hardening Permatex, No sealant on the other side of the gasket. But if it keeps you up at night you can spread on a very thin layer of 100% silicone GE tub a and tile caulk on the engine side. Let it cure before reassembly. Then you can take it all apart and never tear up a gasket. A bit of Lacquer thinner on a rag takes off the silicone and you can go again with the same gasket Lynn E. Hanover. ------=_NextPart_000_0074_01CBEC0C.65061050 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Lynn,

My pressure is running maxed out at = 21 lbs….the pressure of the cap.

 

Bill B

 

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Lehanover@aol.com
Sent: Saturday, March 26, = 2011 7:33 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = On the subject of installations...Coolant Pressure

 

In a message dated 3/26/2011 = 12:40:40 P.M. Eastern Daylight Time, bbradburry@bellsouth.net = writes:

I checked the coolant in the radiator for oil residue = floating on top and found none.  The radiator was completely full with no = air.  I removed a plug from each rotor and turned the engine over looking for = water coming out of the plug holes…nothing.  It appears to me that = the o-rings are not failed and the high coolant pressure is not coming from a leak = from the combustion chambers.

 

I have located a borescope and I plan to inspect the inside = of the radiator tank on the inlet side.  I also plan to remove the water = pump and inspect as far inside the coolant passages as I can see looking for an obstruction.

 

Do I need to replace the gasket on the water pump when I = reinstall it?  Do I need to use any sealant?  What say ye who have removed/replaced water pumps?

 

If the o-rings are ok and if I don’t find an = obstruction, any other ideas as to the cause of the high water = pressure??

 

What about any suggested = tests???

 

Bill B

I must have missed this. How much pressure are you making?

 

=

I glue gaskets to the pieces with = Non Hardening Permatex, No sealant on the other side of the gasket. But if = it keeps you up at night you can spread on a very thin layer of 100% silicone GE = tub a and tile caulk on the engine side. Let it cure before reassembly. = Then you can take it all apart and never tear up a gasket. A bit of Lacquer = thinner on a rag takes off the silicone and you can go again with the same = gasket

 

=

 

=

Lynn E. Hanover. =

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