X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost01.isp.att.net ([207.115.11.51] verified) by logan.com (CommuniGate Pro SMTP 5.1.12) with ESMTP id 2373117 for flyrotary@lancaironline.net; Sat, 06 Oct 2007 22:14:33 -0400 Received-SPF: pass receiver=logan.com; client-ip=207.115.11.51; envelope-from=bbradburry@bellsouth.net Received: from arptk8ng400 (adsl-146-123-217.mco.bellsouth.net[72.146.123.217]) by bellsouth.net (frfwmhc01) with SMTP id <20071007021353H0100a114te>; Sun, 7 Oct 2007 02:13:53 +0000 X-Originating-IP: [72.146.123.217] From: "Bill Bradburry" To: "'Rotary motors in aircraft'" In-Reply-To: Subject: RE: [FlyRotary] Re: Coolant Water Pressure Date: Sat, 6 Oct 2007 22:13:54 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001F_01C80866.2F84D520" X-Mailer: Microsoft Office Outlook, Build 11.0.5510 Thread-Index: AcgIc2pvEvVp5LVgSf2DPVJTijfoGAAEuM+Q X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6000.16480 Message-ID: This is a multi-part message in MIME format. ------=_NextPart_000_001F_01C80866.2F84D520 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Mark, Yes I will be there on Saturday. I suppose it is too much to ask for = you to fly your plane there??? :>) =20 You know, I think my 360 degree kink is going to require around 40 knots = in order to have the energy to make all those turns=85.Right now a 120 knot = test is going to require a trailer hitch! :-) The location for the temp measurement is basically stock. The stock = sending unit was metric and too large to use with the one that came with the = EM-2, so I plugged it and tapped a smaller hole on top as opposed to the stock location on the side of the inlet. I was wondering why the stock = location measured temps incoming to the engine if it is better to measure = outgoing temps. =20 Bill B =20 _____ =20 From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Mark Steitle Sent: Saturday, October 06, 2007 7:48 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Coolant Water Pressure =20 Hi Bill,=20 Looks like you've made great progress since we last spoke. It shouldn't = be long now. Are you planning on attending Tracy's (actually, I should say Laura's) rotary roundup? Lots to talk about. =20 =20 Concerning your cooling system, I assume the air comes in the backside = of the radictor? What kind of inlet & diffuser did you use? I measured my airflow today through the radiator. It flows 40 knots at 120 knots IAS. = It may be a little fast. You may want to measure yours, when the time = comes. =20 You mentioned that you were measuring coolant temperature after the radiator? I think you also need to measure it as it leaves the engine. This will tell you how hot you're running and how close you are to = redline. Just the opposite as for the oil. =20 =20 If those hose clamps are not constant torque clamps, please consider upgrading them before first flight. They're available from McMaster. =20 =20 Keep up the good work. Hope to see you at Tracy's. =20 Mark S. =20 On 10/6/07, Bill Bradburry wrote:=20 Ok, I recently upgraded my computer to Vista and had to download some software to get my camera to talk to it=85So here are some pictures of = my cooling install=20 =20 Notice the bypass hole that you guys are talking about needing to plug. This hole is in the housing which has been removed, so it is not a = player.=20 The little rag you see on the oil line is a high tech way of checking = for a leak. (I have one!) =20 The red wire is the air temp sensor for the air after the radiator. It = is on top of the fan. Hoses are 1 =BC" The temperature sensor was moved from the left side of = the inlet to the top But is reading temperature as it enters the engine after the radiator. (coolest place) =20 My overflow catch can. I will be replacing this with a pressurized on = as per Lynn's suggestions in a previous post in order to introduce=20 An air cushion above the liquid under pressure so it will not be = "locked". =20 I am planning to try and put suction on the cowling at the exit with a = leaf blower in addition to the prop blast and the small fan to see if an = increase in=20 Air flowing will help. I haven't checked the sides of the radiator yet = as I have been alone when running the engine=85.=20 All inputs appreciated. I already know some things should be changed, = so don't hold back with the suggestions.=20 =20 Thanks, Bill B =20 -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html =20 =20 ------=_NextPart_000_001F_01C80866.2F84D520 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Mark,

Yes I will be there on Saturday.=A0 = I suppose it is too much to ask for you to fly your plane there???=A0 = :>)

 

You know, I think my 360 degree = kink is going to require around 40 knots in order to have the energy to make all = those turns….Right now a 120 knot test is going to require a trailer = hitch!=A0 J

The location for the temp = measurement is basically stock.=A0 The stock sending unit was metric and too large to = use with the one that came with the EM-2, so I plugged it and tapped a smaller = hole on top as opposed to the stock location on the side of the inlet.=A0 I was = wondering why the stock location measured temps incoming to the engine if it is = better to measure outgoing temps.

 

Bill B

 

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Mark Steitle
Sent: Saturday, October = 06, 2007 7:48 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = Coolant Water Pressure

 

Hi Bill,

Looks like you've made great progress since we last spoke.  = It shouldn't be long now.  Are you planning on attending = Tracy's = (actually, I should say Laura's) rotary roundup?  Lots to talk about.  =  

 

Concerning your cooling system, I assume the air comes in = the backside of the radictor?  What kind of inlet & diffuser did = you use?  I measured my airflow today through the radiator.  It = flows 40 knots at 120 knots IAS.  It may be a little fast.  You may = want to measure yours, when the time comes.    =

 

You mentioned that you were measuring coolant temperature after = the radiator?  I think you also need to measure it as it leaves the engine.  This will tell you how hot you're running and how close = you are to redline.  Just the opposite as for the oil.  =

 

If those hose clamps are not constant torque clamps, please = consider upgrading them before first flight.  They're available from McMaster. 

 

Keep up the good work.  Hope to see you at Tracy's.
 

Mark S.


 

On 10/6/07, Bill Bradburry <bbradburry@bellsouth.net>= wrote:

Ok, I recently upgraded my computer to Vista and had to download some software to get my camera to talk to = it…So here are some pictures of my cooling install

 

Notice the bypass hole that you guys are talking about needing to plug.  This hole is in the housing which has been = removed, so it is not a player.

The little rag you see on the oil line is a high tech = way of checking for a leak. (I have one!)

 

The red wire is the air temp sensor for the air after = the radiator.  It is on top of the fan.

Hoses are 1 =BC"  The temperature sensor was = moved from the left side of the inlet to the top

But is reading temperature as it enters the engine = after the radiator. (coolest place)

 

My overflow catch can.  I will be replacing this = with a pressurized on as per Lynn's suggestions in a previous post in order to introduce =

An air cushion above the liquid under pressure so it = will not be "locked".

 

I am planning to try and put suction on the cowling at = the exit with a leaf blower in addition to the prop blast and the small fan = to see if an increase in

Air flowing will help.  I haven't checked the = sides of the radiator yet as I have been alone when running the engine…. =

All inputs appreciated.  I already know some = things should be changed, so don't hold back with the suggestions. =

 

Thanks,

Bill B

 


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