X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [64.129.170.194] (HELO VIRCOM1.fcdata.private) by logan.com (CommuniGate Pro SMTP 5.4.2) with ESMTP id 5188091 for flyrotary@lancaironline.net; Sat, 05 Nov 2011 13:25:52 -0400 Received-SPF: none receiver=logan.com; client-ip=64.129.170.194; envelope-from=cbarber@texasattorney.net Received: from FCD-MAIL06.FCDATA.PRIVATE ([fe80::697f:d6aa:b87:78d8]) by FCD-MAIL05.FCDATA.PRIVATE ([fe80::809d:a06e:5913:452e%13]) with mapi id 14.01.0339.001; Sat, 5 Nov 2011 12:24:34 -0500 From: Chris Barber To: Rotary motors in aircraft CC: Rotary motors in aircraft Subject: Re: [FlyRotary] Where's the Buttons? Thread-Topic: [FlyRotary] Where's the Buttons? Thread-Index: AQHMm9X2YeS5x7I80UiP7Jkr7ZywsZWeiBUS Date: Sat, 5 Nov 2011 17:25:21 +0000 Message-ID: <309E891F-6555-4BF3-B882-A433BF2CF44F@texasattorney.net> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-Type: multipart/alternative; boundary="_000_309E891F65554BF3B882A433BF2CF44Ftexasattorneynet_" MIME-Version: 1.0 --_000_309E891F65554BF3B882A433BF2CF44Ftexasattorneynet_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I was missing some corner seals too at my last tear down. I ordered more. I= t wasn't until after I received them that it dawned on me what the long rub= ber strips I got with Tracy's kit were for. DOH! Yeah, and they are lettin= g me try to build an airplane.... Seems that I read that the rubber corner seals were there more for emission= s and could be omitted or replaces with solid ones. Again, IIRC. Seems I re= ad it in a post from Lynne but hell, it could have been on a "boy racers" w= ebsight so please research an verify. CYA does not always mean "Call Your A= ttorney". Chris Attorney ;-) Sent from my iPhone 4 On Nov 5, 2011, at 11:15 AM, "Kelly Troyer" > wrote: Dave, Cannot tell what to do concerning your TES "O" rings (I have them also) a= s I have no operational experience with them yet but considering the hours you have on your engine = (And you have been known to "Flog" it)........<:)... I would just go back with TES "O" rings i= n light of the extra heat load your Turbo adds to the engine........... Concerning the corner seal rubber buttons it seems that they end up revert= ing back to carbon and lose all elasticity (particularity under high heat) and become useless for = their original purpose which was to give slightly increased compression at starter speeds...........I pe= rsonally will use the solid racing corner seals available from Mazda and other sources.................= IMHO Kelly Troyer "DYKE DELTA JD2" (Eventually) "13B ROTARY"_ Engine "RWS"_RD1C/EC2/EM2 "MISTRAL"_Backplate/Oil Manifold "TURBONETICS"_TO4E50 Turbo From: David Leonard > To: Rotary motors in aircraft > Sent: Saturday, November 5, 2011 10:32 AM Subject: [FlyRotary] Where's the Buttons? I just finished tearing down my engine. I am doing a rebuild for low compr= ession on one of the faces (determined by a change in the force required to= pull the prop through on that face and a quiet 'ka-chunk'), and some leaki= ng of combustion gasses into coolant causing occasional loss of coolant if = not checked before every flight. Results of tear down.. Where are the rubber buttons? There are no rubber buttons in any of the co= rner seals.. not even a residue. Do they usually disappear?? I am pretty = sure I recall them being there in the past, or am I mistaken? I used the s= trip that comes in Tracy's gasket kit. I found a side seal that was stuck at one end. quick clean should fix it. Coolant issue: Not sure I am happy with the TES 0-rings. Yes, they seem t= o have been very resistent to the heat. In general they are in excellent c= ondition. Except, they have very little elasticity and have moulded to the= shape of the chanel. In the hot area, they no longer extend above the top= of the chanel and are more or less flush with the top. It seems that in t= his area they would be exerting minimal sealing pressure there. I am think= ing about going back to the stock. Anyone else have a similar experience o= r heard of this problem? Otherwise the engine is in OK shape. No evidence of overheating. There ar= e quite of bit of chatter marks on the rotor housings, the rotor bearings s= eems pretty well worn but probably re-usable. -- David Leonard Turbo Rotary RV-6 N4VY http://N4VY.RotaryRoster.net http://RotaryRoster.net --_000_309E891F65554BF3B882A433BF2CF44Ftexasattorneynet_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
I was missing some corner seals too at my last tear down. I ordered mo= re. It wasn't until after I received them that it dawned on me what the lon= g rubber strips I got with Tracy's kit were for. DOH!  Yeah, and they = are letting me try to build an airplane....

Seems that I read that the rubber corner seals were there more for emi= ssions and could be omitted or replaces with solid ones. Again, IIRC. Seems= I read it in a post from Lynne but hell, it could have been on a "boy= racers" websight so please research an verify. CYA does not always mean "Call Your Attorney". <= /div>

Chris
Attorney ;-)

Sent from my iPhone 4

On Nov 5, 2011, at 11:15 AM, "Kelly Troyer" <keltro@att.net> wrote:

Dave,
 
  Cannot t= ell what to do concerning your TES "O" rings (I have them also) as I have no operational
experience with them= yet but considering the hours you have on your engine (And you have been
known to "Flog&= quot; it)........<:)... I would just go back with TES "O&= quot; rings in light of the extra heat load
your Turbo adds to t= he engine...........
 
 Concerning the= corner seal rubber buttons it seems that they end up reverting back to car= bon and
lose all elasticity (particularity under high heat) and become useless f= or their original purpose which 
was to give slightly= increased compression at starter speeds...........I personally will use th= e solid
racing corner seals = available from Mazda and other sources.................IMHO 
 
Kelly Troyer
"DYKE DELTA JD2" (Eve= ntually)
"13B ROTARY"_ Engine
"RWS"_RD1C/EC2/EM2
"MISTRAL"_Backplate/Oil Manifold
"TURBONETICS"_TO4E50 Turbo

From: David Leonard <wdleonard@gmail.com>
To: Rotary motors in aircra= ft <flyrotary@lancaironli= ne.net>
Sent: Saturday, November 5,= 2011 10:32 AM
Subject: [FlyRotary] Where'= s the Buttons?

I just finished tearing down my engine.  I am doing a rebuild for= low compression on one of the faces (determined by a change in the force r= equired to pull the prop through on that face and a quiet 'ka-chunk'), and = some leaking of combustion gasses into coolant causing occasional loss of coolant if not checked before every fli= ght.
 
Results of tear down.. 
Where are the rubber buttons?  There are no rubber buttons in any= of the corner seals.. not even a residue.  Do they usually disappear?= ?  I am pretty sure I recall them being there in the past, or am I mis= taken?  I used the strip that comes in Tracy's gasket kit.
 
I found a side seal that was stuck at one end.  quick clean shoul= d fix it.
 
Coolant issue:  Not sure I am happy with the TES 0-rings.  Y= es, they seem to have been very resistent to the heat.  In general the= y are in excellent condition.  Except, they have very little elasticit= y and have moulded to the shape of the chanel.  In the hot area, they no longer extend above the top of the chanel and are more o= r less flush with the top.  It seems that in this area they would be e= xerting minimal sealing pressure there.  I am thinking about going bac= k to the stock.  Anyone else have a similar experience or heard of this problem?
 
Otherwise the engine is in OK shape.  No evidence of overhea= ting.  There are quite of bit of chatter marks on the rotor housi= ngs, the rotor bearings seems pretty well worn but probably re-usable. = ;
--
David Leonard

Turbo Rotary RV-6 N4VY
http://N4VY.RotaryRoster.net
htt= p://RotaryRoster.net


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