X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mtiwmhc11.worldnet.att.net ([204.127.131.115] verified) by logan.com (CommuniGate Pro SMTP 5.1.9) with ESMTP id 2096631 for flyrotary@lancaironline.net; Mon, 11 Jun 2007 13:12:05 -0400 Received-SPF: none receiver=logan.com; client-ip=204.127.131.115; envelope-from=keltro@att.net Received: from mwebmail25.att.net ([204.127.135.64]) by worldnet.att.net (mtiwmhc11) with SMTP id <2007061117112411100dbbp8e>; Mon, 11 Jun 2007 17:11:29 +0000 Received: from [64.250.200.32] by mwebmail25.att.net; Mon, 11 Jun 2007 17:11:23 +0000 From: keltro@att.net (Kelly Troyer) To: "Rotary motors in aircraft" Subject: RV-7A cooling - continued Date: Mon, 11 Jun 2007 17:11:23 +0000 Message-Id: <061120071711.19154.466D823A000A14CA00004AD22160280741019D9B040A05@att.net> X-Mailer: AT&T Message Center Version 1 (Mar 24 2007) X-Authenticated-Sender: a2VsdHJvQGF0dC5uZXQ= MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="NextPart_Webmail_9m3u9jl4l_19154_1181581883_0" --NextPart_Webmail_9m3u9jl4l_19154_1181581883_0 Content-Type: text/plain Content-Transfer-Encoding: 8bit Dennis, About 99.9% positive that stock Renesis "O" rings are not "TES".......... -- Kelly Troyer "Dyke Delta"_13B ROTARY Engine "RWS"_RD1C/EC2/EM2 "Mistral"_Backplate/Oil Manifold -------------- Original message from Dennis Haverlah : -------------- > I've improved my cooling quite a bit by installing an insert in the > bottom of the cowl to direct air up and into the oil and water > radiators. This took the place of the vanes I had installed first. > Attached is a picture taken looking into the air inlet duct showing the > foam insert in the lower cowl/duct. My last flight at 90 deg. OAT my > oil went to 212 and the water went to 199 F. This was at about 5200 > rpm, 23 in. mp and 115 kts. My oil pressure was 65 psi. I'm using > Castrol Synthetic 10W-30. On start-up my oil will go to 85 psi max. > From tests I've run, I now have more flow through the first 40 % of the > radiators and less flow through the rear 60 %. I probably need to > change the wedge shape to increase flow to the back of the radiators. > I'd like to review the document by Kays and London that covers design > of a wedge. Does anyone have information on how I can get this > document? Also does anyone know if the inner combustion "O" rings used > in the Renesis engines are Teflon encapsulated from the factory? I > > Thanks, > Dennis H. > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html --NextPart_Webmail_9m3u9jl4l_19154_1181581883_0 Content-Type: text/html Content-Transfer-Encoding: 8bit
Dennis,
   About 99.9% positive that stock Renesis "O" rings are not "TES"..........
--
Kelly Troyer
"Dyke Delta"_13B ROTARY Engine
"RWS"_RD1C/EC2/EM2
"Mistral"_Backplate/Oil Manifold




-------------- Original message from Dennis Haverlah <clouduster@austin.rr.com>: --------------


> I've improved my cooling quite a bit by installing an insert in the
> bottom of the cowl to direct air up and into the oil and water
> radiators. This took the place of the vanes I had installed first.
> Attached is a picture taken looking into the air inlet duct showing the
> foam insert in the lower cowl/duct. My last flight at 90 deg. OAT my
> oil went to 212 and the water went to 199 F. This was at about 5200
> rpm, 23 in. mp and 115 kts. My oil pressure was 65 psi. I'm using
> Castrol Synthetic 10W-30. On start-up my oil will go to 85 psi max.
> From tests I've run, I now have more flow through the first 40 % of the
> radiators and less flow through the rear 60 %. I probably need to
> change the wedge sha pe to increase flow to the back of the radiators.
> I'd like to review the document by Kays and London that covers design
> of a wedge. Does anyone have information on how I can get this
> document? Also does anyone know if the inner combustion "O" rings used
> in the Renesis engines are Teflon encapsulated from the factory? I
>
> Thanks,
> Dennis H.
>
> --
> Homepage: http://www.flyrotary.com/
> Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html
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