X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail07.syd.optusnet.com.au ([211.29.132.188] verified) by logan.com (CommuniGate Pro SMTP 5.1.12) with ESMTPS id 2372872 for flyrotary@lancaironline.net; Sat, 06 Oct 2007 17:54:18 -0400 Received-SPF: none receiver=logan.com; client-ip=211.29.132.188; envelope-from=lendich@optusnet.com.au Received: from george (d58-105-134-237.dsl.nsw.optusnet.com.au [58.105.134.237]) by mail07.syd.optusnet.com.au (8.13.1/8.13.1) with SMTP id l96LrWOB004504 for ; Sun, 7 Oct 2007 07:53:33 +1000 Message-ID: <004a01c80863$57744000$ed86693a@george> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Coolant Water Pressure Date: Sun, 7 Oct 2007 07:53:31 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0047_01C808B7.27BAA580" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Antivirus: avast! (VPS 0657-0, 12/12/2006), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_0047_01C808B7.27BAA580 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Bill, I'm no expert, but others have suggested that behind the engine is not = the best place for the Rad because of impediment to air flow. However = the high pressure air at the canopy face could be good area to get good = clean air for the Rad provided you have the proper cowling both into the = rad and out the bottom. I would see the fan as a restrictor to good clean air flow. My question = would be do you really need it and would a spray bar be a better = alternative? George ( down under 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 =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. 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.. All inputs appreciated. I already know some things should be changed, = so don't hold back with the suggestions. =20 Thanks, Bill B =20 -------------------------------------------------------------------------= ----- -- Homepage: http://www.flyrotary.com/ Archive and UnSub: = http://mail.lancaironline.net:81/lists/flyrotary/List.html -------------------------------------------------------------------------= ----- No virus found in this incoming message. Checked by AVG Free Edition.=20 Version: 7.5.488 / Virus Database: 269.14.2/1052 - Release Date: = 5/10/2007 6:53 PM ------=_NextPart_000_0047_01C808B7.27BAA580 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
 
Bill,
I'm no expert, but others have = suggested that=20 behind the engine is not the best place for the Rad because of=20 impediment to air flow. However the high pressure air at the canopy = face=20 could be good area to get good clean air for the Rad provided you have = the=20 proper cowling both into the rad and out the bottom.
 
I would see the fan as a restrictor to = good clean=20 air flow. My question would be do you really need it and would a spray = bar be a=20 better alternative?
George ( down under

Ok, I = recently=20 upgraded my computer to Vista and = had to=20 download some software to get my camera to talk to it=85So here are = some=20 pictures of my cooling install

 

Notice the = bypass=20 hole that you guys are talking about needing to plug.  This hole = is in=20 the housing which has been removed, so it is not a=20 player.

The little = rag you=20 see on the oil line is a high tech way of checking for a leak. (I have = one!)

 

The red = wire is the=20 air temp sensor for the air after the radiator.  It is on top of = the=20 fan.

Hoses are 1 = =BC=94 =20 The temperature sensor was moved from the left side of the inlet to = the=20 top

But is = reading=20 temperature as it enters the engine after the radiator. (coolest=20 place)

 

My overflow = catch=20 can.  I will be replacing this with a pressurized on as per = Lynn=92s = suggestions in a=20 previous post in order to introduce

An air = cushion above=20 the liquid under pressure so it will not be=20 =93locked=94.

 

I am = planning to try=20 and put suction on the cowling at the exit with a leaf blower in = addition to=20 the prop blast and the small fan to see if an increase in=20

Air flowing = will=20 help.  I haven=92t checked the sides of the radiator yet as I = have been=20 alone when running the engine=85.

All inputs=20 appreciated.  I already know some things should be changed, so = don=92t hold=20 back with the suggestions.

 

Thanks,

Bill=20 B

 


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Homepage:  http://www.flyrotary.com/
Archive and=20 UnSub:  =20 http://mail.lancaironline.net:81/lists/flyrotary/List.html


No virus found in this incoming message.
Checked by AVG Free = Edition.
Version: 7.5.488 / Virus Database: 269.14.2/1052 - = Release Date:=20 5/10/2007 6:53 PM
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