X-Virus-Scanned: clean according to Sophos on Logan.com X-PolluStop-Diagnostic: (direct reply)\eX-PolluStop-Score: 0.00\eX-PolluStop: Scanned with Niversoft PolluStop 2.1 RC1, http://www.niversoft.com/pollustop Return-Path: Received: from [24.25.9.102] (HELO ms-smtp-03-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.3c4) with ESMTP id 866688 for flyrotary@lancaironline.net; Tue, 12 Apr 2005 16:55:33 -0400 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.102; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-185-127.carolina.res.rr.com [24.74.185.127]) by ms-smtp-03-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id j3CKskY5023621 for ; Tue, 12 Apr 2005 16:54:47 -0400 (EDT) Message-ID: <001101c53fa1$de71c650$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: The Final? Story on the Engine problem Date: Tue, 12 Apr 2005 16:54:50 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000E_01C53F80.57308AD0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_000E_01C53F80.57308AD0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MessageHi Rusty, It appeared that the backside of one of the ground electrodes of the = leading plug in #1 rotor was burnished on the back side - but, could = have been I found what I was looking for. But, there is no way I could = screw the sparkplug deep enough (even without the washer) to have the = electrode stick into the chamber. So it appears that the timing of the = changing of the plugs and the incident were a coincident. By the way see my previous message - response from Mazdatrix. The RX-8 = rotors are $270 cheaper than the 9.7:1 rotors - but, you have to get = them milled to accept the 13B apex seals. The Renesis apex seal is not = designed to cross the exhaust port. Ed ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Tuesday, April 12, 2005 4:46 PM Subject: [FlyRotary] Re: The Final? Story on the Engine problem But, I can now eliminate the spark plugs as well as the plastic = plenum. The end of the spark plug clears the combustion chamber even = with the washer removed - and no pieces of the porcelain appear to = missing from the plugs.=20 Hi Ed, Glad there wasn't any more damage, but it sure would be nice to know = the true cause. Didn't you mention earlier that one of the plugs showed = signs of something hitting it? If so, how do you explain that? =20 I'll be interested in hearing the answer to the Renesis rotor = installation question. While they might be cheaper than the 9.7 rotors, = don't forget to add the price of new counterweights, and any machine = work. =20 Cheers, Rusty (new, but "slightly" dented 9.7 rotor for sale) ------=_NextPart_000_000E_01C53F80.57308AD0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
Hi Rusty,
 
It appeared that the backside of one of = the ground=20 electrodes of the leading plug in #1 rotor was burnished on the back = side - but,=20 could have been I found what I was looking for.  But, there is no = way I=20 could screw the sparkplug deep enough (even without the washer) to have = the=20 electrode stick into the chamber.  So it appears that the timing of = the=20 changing of the plugs and the incident were a coincident.
 
By the way see my previous message - = response from=20 Mazdatrix.  The RX-8 rotors are $270 cheaper than the 9.7:1 rotors = - but,=20 you have to get them milled to accept the 13B apex seals.  The = Renesis apex=20 seal is not designed to cross the exhaust port.
 
Ed
----- Original Message -----
From:=20 Russell=20 Duffy
Sent: Tuesday, April 12, 2005 = 4:46=20 PM
Subject: [FlyRotary] Re: The = Final? Story=20 on the Engine problem

But, I can now = eliminate the=20 spark plugs as well as the plastic plenum.  The end of the spark = plug=20 clears the combustion chamber even with the washer removed - and no = pieces of=20 the porcelain appear to missing from  the plugs. 
 
Hi=20 Ed,
 
Glad there wasn't any=20 more damage, but it sure would be nice to know the true cause.  = Didn't=20 you mention earlier that one of the plugs showed signs of = something=20 hitting it?  If so, how do you explain=20 that?  
 
I'll be = interested in=20 hearing the answer to the Renesis rotor installation = question. =20 While they might be cheaper than the 9.7 rotors, don't forget to = add the=20 price of new counterweights, and any machine=20 work.  
 
Cheers,
Rusty (new, but "slightly" dented 9.7 rotor = for=20 sale)
 
   
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