X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.120] verified) by logan.com (CommuniGate Pro SMTP 5.4.5) with ESMTP id 5602119 for flyrotary@lancaironline.net; Fri, 15 Jun 2012 13:27:22 -0400 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.120; envelope-from=eanderson@carolina.rr.com Return-Path: X-Authority-Analysis: v=2.0 cv=QKPqt33L c=1 sm=0 a=g3L/TDsr+eNLfIieSKfGkw==:17 a=AHkS0RJitIMA:10 a=kS9clHTnuywA:10 a=05ChyHeVI94A:10 a=ayC55rCoAAAA:8 a=C_IRinGWAAAA:8 a=oCcaPWc0AAAA:8 a=64pYigtRExUUAyb3POoA:9 a=wPNLvfGTeEIA:10 a=si9q_4b84H0A:10 a=o1OHuDzbAAAA:8 a=Ia-xEzejAAAA:8 a=4PR2P7QzAAAA:8 a=1_-uU3RDAwuohwGO1R8A:9 a=_W_S_7VecoQA:10 a=ILCZio5HsAgA:10 a=EzXvWhQp4_cA:10 a=djSSOgbfo6cA:10 a=g3L/TDsr+eNLfIieSKfGkw==:117 X-Cloudmark-Score: 0 X-Originating-IP: 174.110.170.10 Received: from [174.110.170.10] ([174.110.170.10:64330] helo=EdPC) by cdptpa-oedge04.mail.rr.com (envelope-from ) (ecelerity 2.2.3.46 r()) with ESMTP id 02/61-00375-7507BDF4; Fri, 15 Jun 2012 17:26:47 +0000 Message-ID: From: "Ed Anderson" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Plug thermostat by pass[FlyRotary] Re: N655HC FIRST FLIGHT. Date: Fri, 15 Jun 2012 13:26:34 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_002D_01CD4AFA.7BDEF0A0" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8117.416 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8117.416 This is a multi-part message in MIME format. ------=_NextPart_000_002D_01CD4AFA.7BDEF0A0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Good point, Finn. The thermostat housing for the rotary has a small approx 1/2" hole = (bypass) inside. Remove the thermostat and look straight down and you = will see it. If you do not use a rotary thermostat or no thermostat at = all, then this hole should be blocked. I have heard you can lose about = 20% of your cooling effectiveness otherwise. I taped a 1/2" (I think = it's a supposed "1/4" NPT - but the actually size of the tap is around = 1/2" dia) thread and then screwed in an aluminum hex plug with the = correct NPT (tighly!). Ed From: Finn Lassen=20 Sent: Friday, June 15, 2012 8:59 AM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: N655HC FIRST FLIGHT. Congratulations! If you do remove the thermostat do not forget to block the hole. I = forget the details. Others can give you the specifics. Finn On 6/14/2012 10:43 PM, hoursaway1@comcast.net wrote:=20 Short flight, seasoned fighter/experimental RV8 builder test pilot, = twice around the patch, 5950 RPM, coolant went to 220F on climb out, oil = was at 210F, 78F OAT, temps climbed a little higher, powered back & = setup for landing. This is an RV6A Rotary, five years in the making, = 13B Bruce T. aircraft modified eng., 2.17 RWS drive, EC2, EM2, Ivoprop = Magnum 65-105 deg. elect. in-flight adjust., Hushpower res./muffler, = intake similar to Tracy's RV4 before the Ren. eng., my own Dynamic = chamber, 3" throttle body. I do currently have a 180F therm. installed, = might try removing to look for lower temp. #s, Then louvers in bottom of = lower cowl, need more flight tests, cowl & coolers & inlets are very = similar to Ed Anderson's RV6A Rotary, thanks Ed, Bill E., Tracy C., = Dave L., & all the folks on THE LIST. David R. Cook RV6A Rotary = aircraft. Lansing MI=20 No virus found in this message. Checked by AVG - www.avg.com Version: 2012.0.2180 / Virus Database: 2433/5071 - Release Date: = 06/15/12 ------=_NextPart_000_002D_01CD4AFA.7BDEF0A0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Good point, Finn.
 
The thermostat housing for the rotary has a = small approx=20 1/2" hole (bypass) inside.  Remove the thermostat and look straight = down=20 and you will see it.  If you do not use a rotary thermostat or no=20 thermostat at all, then this hole should be blocked.  I have heard = you can=20 lose about 20% of your cooling effectiveness otherwise.  I taped a = 1/2" (I=20 think it=92s a supposed "1/4" NPT - but the actually size of the tap is = around=20 1/2" dia) thread and then screwed in an aluminum hex plug with the = correct NPT=20 (tighly!).
 
Ed

Sent: Friday, June 15, 2012 8:59 AM
Subject: [FlyRotary] Re: N655HC FIRST = FLIGHT.

Congratulations!

If you do remove the thermostat = do not=20 forget to block the hole. I forget the details. Others can give you the=20 specifics.

Finn

On 6/14/2012 10:43 PM, hoursaway1@comcast.net wrote: =

Short flight, seasoned fighter/experimental RV8 builder test pilot, = twice=20 around the patch, 5950 RPM, coolant went to 220F on climb out, oil was = at=20 210F, 78F OAT, temps climbed a little higher, powered back & setup = for=20 landing.  This is an RV6A Rotary, five years in the making, 13B = Bruce T.=20 aircraft modified eng., 2.17 RWS drive, EC2, EM2, Ivoprop Magnum = 65-105 deg.=20 elect. in-flight adjust., Hushpower res./muffler, intake similar to = Tracy's=20 RV4 before the Ren. eng.,  my own Dynamic chamber, 3" throttle=20 body.  I do currently have a 180F therm. installed, might = try=20 removing to look for lower temp. #s, Then louvers in bottom of lower = cowl,=20 need more flight tests, cowl & coolers & inlets are very = similar=20 to Ed Anderson's RV6A Rotary, thanks Ed, Bill E., Tracy C.,  = Dave=20 L.,  & all the folks on THE LIST.  David R. = Cook =20 RV6A Rotary aircraft.  Lansing = MI 


No virus found in this=20 message.
Checked by AVG - www.avg.com
Version: 2012.0.2180 / = Virus=20 Database: 2433/5071 - Release Date: 06/15/12

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