X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.121] verified) by logan.com (CommuniGate Pro SMTP 5.4c2o) with ESMTP id 4889459 for flyrotary@lancaironline.net; Thu, 03 Mar 2011 13:30:52 -0500 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.121; envelope-from=eanderson@carolina.rr.com Return-Path: X-Authority-Analysis: v=1.1 cv=uESSSoDEku2quKX/oFXS2Smn5+55LTFcWFr5T5T8nFs= c=1 sm=0 a=StY4C9iR8OkA:10 a=rPkcCx1H5rrOSfN0dPC7kw==:17 a=Ia-xEzejAAAA:8 a=pedpZTtsAAAA:8 a=7g1VtSJxAAAA:8 a=eK0nuY8u9u7CiX3yFVgA:9 a=NeDNHEg3ihOLMxwB6LUA:7 a=Pk-8MaPQeYBkYxNePgo9XTGu8EUA:4 a=wPNLvfGTeEIA:10 a=Qa1je4BO31QA:10 a=EzXvWhQp4_cA:10 a=eJojReuL3h0A:10 a=qvHiVDeEgproSSLS:21 a=Zgey5HEWUQjaknIP:21 a=23lV3_KfWTrxonPb7VwA:9 a=4Wqg4dheji_wasRrYXUA:7 a=k6W4ciTjjnVQpYOvN4iPKpmVMjoA:4 a=PUSUF-SG_DlWD_bi:21 a=CGI_9vM2Vl59-Zkd:21 a=rPkcCx1H5rrOSfN0dPC7kw==:117 X-Cloudmark-Score: 0 X-Originating-IP: 174.110.167.5 Received: from [174.110.167.5] ([174.110.167.5:50115] helo=EdPC) by cdptpa-oedge01.mail.rr.com (envelope-from ) (ecelerity 2.2.3.46 r()) with ESMTP id 47/3E-07087-A3EDF6D4; Thu, 03 Mar 2011 18:30:19 +0000 Message-ID: From: "Ed Anderson" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: Coolant routing Date: Thu, 3 Mar 2011 13:30:09 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001A_01CBD9A7.1DDE60F0" 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_001A_01CBD9A7.1DDE60F0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Yeah, you are probably right about the cooler exhaust temps, Bill. I = keep forgetting that more and more folks are flying with the side port = Renesis - pretty soon both I and my engine are going to be regarded as = dinosaurs (I suspect already are by some folks {:>)) Ed From: Bill Bradburry=20 Sent: Thursday, March 03, 2011 11:31 AM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: Coolant routing Tracy, I am convinced. =20 =20 I thought that the coolant flowed around from the intake side to the = spark plug side and that was cold to hot side. Please straighten me out = on how it flows and etc.. =20 =20 Ed and Mark, =20 I have the Renesis. I expected that the EGT from the side port exhausts = would be cooler than the PP exhausts on the 13B and 20B? I think I = expected about 13-1400 degrees with the difference going into the = coolant.=20 =20 Ernest, =20 Good idea but I am not certain how difficult it would be to squeeze that = heater hose shut. It is pretty stiff. I could probably reduce the = flow, but I would be concerned about damage if I squeezed it completely = shut. =20 =20 Bill B =20 -------------------------------------------------------------------------= ------- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On = Behalf Of Tracy Sent: Thursday, March 03, 2011 9:09 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Coolant routing =20 One correction. You are NOT bypassing the hot side of the engine = (combustion chambers) You ARE bypassing the radiator and putting the = hottest coolant back into the engine. =20 Install the valve!=20 Tracy On Thu, Mar 3, 2011 at 8:59 AM, Bill Bradburry = wrote: I have a heater hose connected from the stock outlet from the rear iron = and the other end of the hose is connected to the inlet to the water pump housing. I don't currently have a heat exchanger in this hose nor do I = have a valve to shut off the flow of water. I assume that it is flowing full bore any time the engine is running. 5/8 inch hose. Naturally this = water is bypassing the hot side of the engine as well as the radiator. I would like some opinions as to what effect this might have on my = cooling temperatures. Has anyone done this, then installed a valve to shut off = the flow and seen the effect? I have a valve, but didn't want to put it in till I design the rest of = the heater system. What say ye? Yesterday morning, OAT about 70, water temp about 170 when I took the active, climbed to about 205 getting to pattern altitude, then cooled to about 199 as I went around the pattern. I left of a little sightseeing = trip got up to 2500 (low clouds) flew over the house, (the wife heard me = coming and ran outside..so much for thinking it was quiet! She said it sounds = like an airplane on steroids. I take that as a complement) The temp seemed pretty stable around 200, but it did climb to 210 one = time for a short period for no reason that I could figure then came back = down. EGT I thought was pretty high, around 1600. Mixture about two bars = above the midpoint. Bill B -- Homepage: http://www.flyrotary.com/ Archive and UnSub: = http://mail.lancaironline.net:81/lists/flyrotary/List.html =20 ------=_NextPart_000_001A_01CBD9A7.1DDE60F0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Yeah, you are probably right about the cooler = exhaust=20 temps, Bill.  I keep forgetting that more and more folks are flying = with=20 the side port Renesis - pretty soon both I and my engine are going to be = regarded as dinosaurs (I suspect already are by some folks = {:>))
 
Ed

Sent: Thursday, March 03, 2011 11:31 AM
Subject: [FlyRotary] Re: Coolant routing

Tracy,

I am = convinced. =20

 

I thought = that the=20 coolant flowed around from the intake side to the spark plug side and = that was=20 cold to hot side.  Please straighten me out on how it flows and=20 etc..

 

 

Ed and=20 Mark,

 

I have the=20 Renesis.  I expected that the EGT from the side port exhausts would = be=20 cooler than the PP exhausts on the 13B and 20B?  I think I expected = about=20 13-1400 degrees with the difference going into the coolant.=20

 

Ernest,

 

Good idea but = I am not=20 certain how difficult it would be to squeeze that heater hose = shut.  It is=20 pretty stiff.  I could probably reduce the flow, but I would be = concerned=20 about damage if I squeezed it completely = shut.

 

 

Bill=20 B

 

From:=20 Rotary motors in aircraft=20 [mailto:flyrotary@lancaironline.net] On=20 Behalf Of Tracy
Sent: Thursday, March 03, 2011 = 9:09=20 AM
To: = Rotary motors in aircraft
Subject: [FlyRotary] Re: Coolant=20 routing

 

One = correction.  You=20 are NOT bypassing the hot side of the engine (combustion = chambers)  =20 You ARE bypassing the radiator and putting the hottest coolant back into = the=20 engine.  

Install the valve!

Tracy

On Thu, Mar 3, 2011 at 8:59 AM, Bill Bradburry = <bbradburry@bellsouth.net>= =20 wrote:

I have a heater hose connected from the stock = outlet=20 from the rear iron and
the other end of the hose is connected to the = inlet to=20 the water pump
housing.  I don't currently have a heat exchanger = in this=20 hose nor do I have
a valve to shut off the flow of water.  I = assume that=20 it is flowing full
bore any time the engine is running.  5/8 = inch hose.=20  Naturally this water
is bypassing the hot side of the engine as = well as=20 the radiator.
I would like some opinions as to what effect this might = have on=20 my cooling
temperatures.  Has anyone done this, then installed a = valve=20 to shut off the
flow and seen the effect?
I have a valve, but = didn't want=20 to put it in till I design the rest of the
heater system.
What say = ye?

Yesterday morning, OAT about 70, water temp about 170 when I = took=20 the
active, climbed to about 205 getting to pattern altitude, then = cooled=20 to
about 199 as I went around the pattern.  I left of a little=20 sightseeing trip
got up to 2500 (low clouds) flew over the house, = (the wife=20 heard me coming
and ran outside..so much for thinking it was quiet! =  She=20 said it sounds like
an airplane on steroids. I take that as a=20 complement)

The temp seemed pretty stable around 200, but it did = climb to=20 210 one time
for a short period for no reason that I could figure = then came=20 back down.
EGT I thought was pretty high, around 1600.  Mixture = about=20 two bars above
the midpoint.

Bill B


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Homepage:  http://www.flyrotary.com/
Archive and UnSub: =   http://mail.lancaironline.net:81/lists/flyrotary/List.htm= l

 

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