X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [66.219.56.245] (HELO mail.qnsi.net) by logan.com (CommuniGate Pro SMTP 5.4c2) with ESMTP id 4923555 for flyrotary@lancaironline.net; Sat, 26 Mar 2011 17:47:25 -0400 Received-SPF: none receiver=logan.com; client-ip=66.219.56.245; envelope-from=bhughes@qnsi.net Return-Receipt-To: "Bobby J. Hughes" Subject: RE: [FlyRotary] Re: On the subject of installations...Coolant Pressure MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01CBEC08.782ACFDA" Date: Sat, 26 Mar 2011 16:52:22 -0600 Message-ID: <74120FDE88CAFE4DBDA8814BCE20A3F32D3850@qnsi-mail.qnsi.net> Disposition-Notification-To: "Bobby J. Hughes" Content-class: urn:content-classes:message X-MS-Has-Attach: X-MS-TNEF-Correlator: X-MimeOLE: Produced By Microsoft Exchange V6.5 Thread-Topic: [FlyRotary] Re: On the subject of installations...Coolant Pressure Thread-Index: Acvr3bFlSWRSjIZOQramj3U4un+5YgAKj66w References: From: "Bobby J. Hughes" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01CBEC08.782ACFDA Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable =20 Bill, =20 If I remember correctly the renesis WP gasket is metal and is reusable. Did you get a chance to do the radiator touch test after a short ground run? =20 Bobby (working on new muffler) =20 ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Bill Bradburry Sent: Saturday, March 26, 2011 10:40 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: On the subject of installations...Coolant Pressure =20 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. =20 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. =20 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? =20 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?? =20 What about any suggested tests??? =20 Bill B ------_=_NextPart_001_01CBEC08.782ACFDA Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

 

Bill,

 

If I remember correctly the renesis WP gasket is metal and is = reusable.   Did you get a chance to do the radiator touch test after a short ground = run?

 

Bobby

(working on new = muffler)

 

=

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Bill Bradburry
Sent: Saturday, March 26, = 2011 10:40 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = On the subject of installations...Coolant Pressure

 

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

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