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 5.3.11) with ESMTP id 4674600 for flyrotary@lancaironline.net; Fri, 14 Jan 2011 09:18:04 -0500 Received-SPF: none receiver=logan.com; client-ip=66.219.56.245; envelope-from=bhughes@qnsi.net Content-class: urn:content-classes:message Return-Receipt-To: "Bobby J. Hughes" MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01CBB3F6.67C5C1B2" Subject: RE: [FlyRotary] Apex seal update cont Disposition-Notification-To: "Bobby J. Hughes" Date: Fri, 14 Jan 2011 08:21:58 -0600 X-MimeOLE: Produced By Microsoft Exchange V6.5 Message-ID: <74120FDE88CAFE4DBDA8814BCE20A3F3283C85@qnsi-mail.qnsi.net> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [FlyRotary] Apex seal update cont Thread-Index: Acuzlo89xLvC8HM1QNyVrxwUi5N35QAX190g References: From: "Bobby J. Hughes" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01CBB3F6.67C5C1B2 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Chris, =20 How do the front rotor seals look? Due to the damage and missing parts I would go ahead and do a full teardown. =20 Bobby ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Chris Barber Sent: Thursday, January 13, 2011 8:49 PM To: Rotary motors in aircraft Subject: [FlyRotary] Apex seal update cont =20 I pulled the rear iron tonight to check the apex seals. Luckily, the apex seals themselves look good. Also, the combustion chamber looks as I think it should. However, I did find some issues. =20 The one I was expecting was that the apex springs were flat. Also, one of the apex corner seal plugs was broken as was a small piece off of one of the side seals. No damage was apparent inside the chamber so I think they broke as I was taking them out. Donno, but there is not apparent damage inside at all. =20 Also, the springs for the corner seals were flat.=20 =20 The really strange thing to me is that the rubber apex corner seal plugs, the little rubber inserts that seems to hold the assemble together were gone....none of the six were anywhere to be found. This engine has not been overheated to any abusive degree, but the inserts were gone. =20 I am still waiting for the Mazda apex seal springs to arrive from Mazdatrix. I will now need to order the rubber inserts as well and the corner springs and wait for them to arrive. =20 Thoughts? =20 I on an RX7 forum that some of the early RA springs are now known to be weak links. =20 =20 I am attaching some photos. Note, the springs are laying on their sides. =20 All the best, =20 Chris Barber Houston ------_=_NextPart_001_01CBB3F6.67C5C1B2 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Chris,

 

How do the front rotor seals look? Due to the damage and missing parts I would = go ahead and do a full teardown.

 

Bobby

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Chris Barber
Sent: Thursday, January = 13, 2011 8:49 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Apex = seal update cont

 

I pulled the rear iron tonight to check = the apex seals.  Luckily, the apex seals themselves look good.  = Also, the combustion chamber looks as I think it should.  However, I = did find some issues.

 

The one I was expecting was that the = apex springs were flat.  Also, one of the apex corner seal plugs was = broken as was a small piece off of one of the side seals.  No damage was apparent inside the chamber so I think they broke as I was taking them out.  Donno, but there is not apparent damage inside at = all.

 

Also, the springs for the corner seals = were flat.

 

The really strange thing to me is that = the rubber apex corner seal plugs, the little rubber inserts that seems to = hold the assemble together were gone....none of the six were anywhere to be = found.  This engine has not been overheated to any abusive degree, but the = inserts were gone.

 

I am still waiting for the Mazda apex = seal springs to arrive from Mazdatrix.  I will now need to order = the rubber inserts as well and the corner springs and wait for them to = arrive.

 

Thoughts?

 

I on an RX7 forum that some of the = early RA springs are now known to be weak links.  =

 

I am attaching some photos. Note, the = springs are laying on their sides.

 

All the = best,

 

Chris = Barber

Houston<= /font>

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