X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from hub026-NJ-5.exch026.serverdata.net ([206.225.166.168] verified) by logan.com (CommuniGate Pro SMTP 5.4.4) with ESMTPS id 5417968 for flyrotary@lancaironline.net; Mon, 27 Feb 2012 13:36:17 -0500 Received-SPF: none receiver=logan.com; client-ip=206.225.166.168; envelope-from=jwhaley@datacast.com Received: from MBX026-E1-NJ-6.exch026.domain.local ([10.240.14.56]) by HUB026-NJ-5.exch026.domain.local ([10.240.14.42]) with mapi id 14.01.0355.002; Mon, 27 Feb 2012 10:35:40 -0800 From: Jeff Whaley To: 'Rotary motors in aircraft' Subject: RE: Thermostats Thread-Topic: RE: Thermostats Thread-Index: Acz1frvr+F/8tvgnRzCK1nGZ1uqyQw== Date: Mon, 27 Feb 2012 18:35:40 +0000 Message-ID: <234B758DE9A64449BEB6BB5D1345CA7AF0665F@mbx026-e1-nj-6.exch026.domain.local> Accept-Language: en-CA, en-US Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: x-originating-ip: [209.87.232.162] Content-Type: multipart/related; boundary="_005_234B758DE9A64449BEB6BB5D1345CA7AF0665Fmbx026e1nj6exch02_"; type="multipart/alternative" MIME-Version: 1.0 --_005_234B758DE9A64449BEB6BB5D1345CA7AF0665Fmbx026e1nj6exch02_ Content-Type: multipart/alternative; boundary="_000_234B758DE9A64449BEB6BB5D1345CA7AF0665Fmbx026e1nj6exch02_" --_000_234B758DE9A64449BEB6BB5D1345CA7AF0665Fmbx026e1nj6exch02_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Chris, below is an email I submitted previously regarding the use of a rest= rictor plate. I have yet to do a back to back test on same day with/withou= t the restrictor but it is still in place. Jeff From: Jeff Whaley Subject: Coolant Restrictor Plate Date: Thu, 28 Jul 2011 07:26:18 -0700 To: 'Rotary motors in aircraft' [Message Header] [Undecoded Message] I saw Lynn's coolant diagram with a restrictor plate in it ... you guys w= ith evaporator cores and 1" coolant hoses have a 1" restriction, this based= on Mazda's design of 1.5" inlet/outlet on the stock water pump and the sto= ck design includes a thermostat. With all of that as a background (never h= ad a thermostat), I decided to try a restrictor plate in my coolant system= , using a 0.75" hole in a plate at the water pump outlet into my 1.5" radia= tor hoses. I can say that it doesn't do any harm and may have actually pro= vided about 5% improvement ... more testing to follow. From: Chris Barber Subject: Thermostats. Date: Sun, 26 Feb 2012 17:29:06 +0000 To: "flyrotary@lancaironline.net" [Message Header] [Undecoded Message] I have been searching the archives but to scant successes regarding thermos= tats use or lack of use for cooling. I have been having issue with cooling lately. I use to be able to idle on t= he ramp for over an hour in the middle of a Houston summer with adequate co= oling. However, lately temps are rising faster and higher. Yesterday, while troubleshooting this issue I noted that after about a ten = minute taxi that the mounting location of my coolant temp probes was readin= g about 220 degrees measured with a handheld thermo gage, close to what was= being indicated on the panel However, the top of the radiator was cool to= the touch. The handheld thermo gage read 45 degrees. Ok. Seems to be a f= low/thermostat/pump issue. I will be Looking into this ASAP. This got me to think about thermostat usage. I have one. I know some do not= use them. It is my understanding that if you remove the thermostat you have to close = some passage off. What passage is this and why does this need to be done. A= lso, what is the accepted method. While researching I also saw discussion on restrictive plates. While I am n= ot considering a restrictive plate, the thread discussed drilling holes in = the thermostat itself. Lynn mentioned do it caught my interest. It seems this is something I use to know but now forget where I saw it. I j= ust finished reviewing my partial scan of Tracy's conversion manual to no a= vail and my archive search is giving me hundreds of returns. Thanks, Chris Sent from my iPhone 4 This message, and the documents attached hereto, is intended only for the a= ddressee and may contain privileged or confidential information. Any unauth= orized disclosure is strictly prohibited. If you have received this message= in error, please notify us immediately so that we may correct our internal= records. Please then delete the original message. Thank you. --_000_234B758DE9A64449BEB6BB5D1345CA7AF0665Fmbx026e1nj6exch02_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Chris, below is an email I submitted previously rega= rding the use of a restrictor plate.  I have yet to do a back to back = test on same day with/without the restrictor but it is still in place.

Jeff

 

From:

Jeff Whaley <jwhaley@datacast.com>= ;

Subject:

Coolant Restrictor Plate

Date:

Thu, 28 Jul 2011 07:26:18 -0700<= /p>

To:

'Rotary motors in aircraft' <flyrota= ry@lancaironline.net>

3D"Message

=

I saw Lynn’s coola= nt diagram with a restrictor plate in it  …  you guys with = evaporator cores and 1” coolant hoses have a 1” restriction, th= is based on Mazda’s design of 1.5” inlet/outlet on the stock water pump and the stock de= sign includes a thermostat.  With all of that as a background (never h= ad a thermostat), I decided to try a restrictor plate  in my coolant s= ystem, using a 0.75” hole in a plate at the water pump outlet into my 1.5” radiator hoses.  I can say that it doe= sn’t do any harm and may have actually provided about 5% improvement = … more testing to follow.

 From:

Chris Barber <cbarber@texasattorney.= net>

Subject:

Thermostats.

Date:

Sun, 26 Feb 2012 17:29:06 +0000

To:

"flyrotary@lancaironline.net"= <flyrotary@lancaironline.net>

3D"Message

=












 

 

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