Return-Path: Received: from imf22aec.mail.bellsouth.net ([205.152.59.70] verified) by logan.com (CommuniGate Pro SMTP 4.3c3) with ESMTP id 817981 for flyrotary@lancaironline.net; Wed, 23 Mar 2005 19:01:20 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.70; envelope-from=sqpilot@bellsouth.net Received: from paul52u7f5qyav ([209.214.45.173]) by imf22aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with SMTP id <20050324000032.QQDC2068.imf22aec.mail.bellsouth.net@paul52u7f5qyav> for ; Wed, 23 Mar 2005 19:00:32 -0500 Message-ID: <010d01c53004$7c424f10$172dd6d1@paul52u7f5qyav> From: "Paul" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: water temp sender connections Date: Wed, 23 Mar 2005 18:00:25 -0600 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_010A_01C52FD2.30E6D900" 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 This is a multi-part message in MIME format. ------=_NextPart_000_010A_01C52FD2.30E6D900 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MessageThanks, Mark. I suspected the temps there would be higher than = they would be on the way out of the water pump towards the radiator, as = there will be some cooling air hitting that part of the water pump, so I = will take that into account. I figure if the temp sensor in the water = pump housing says 180 degrees, and the one in the housing says 190 = degrees, that will be close enough. (Just as long as it doesen't produce = some rediculout reading such as +275 F). Thanks again for the info. = Paul Conner ----- Original Message -----=20 From: Mark R Steitle=20 To: Rotary motors in aircraft=20 Sent: Wednesday, March 23, 2005 11:08 AM Subject: [FlyRotary] Re: water temp sender connections Paul,=20 Just a comment on your sensor placement. If you locate it in the hole = in the top of the end housing you will see higher temps than at the = engine outlet. This is because the coolant flows down the hot (plugs) = side first, then across and back through the cold side. Measurements at = the end housing should give you the highest of the two readings. I = don't know how exactly how much disparity there will be though.=20 =20 Mark S. -------------------------------------------------------------------------= ----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] = On Behalf Of Paul Sent: Wednesday, March 23, 2005 10:48 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: water temp sender connections =20 Thanks, Ed....I just ordered a 250F/120C VDO sender with an M10x1 = thread from egauges.com (Thanks, Rusty). It will connect to my AV-10 = engine monitor. I will be able to compare it to the reading I get from = the sender mounted in the thermostat housing. which is connected to my = ECU which has a panel display which shows water temp in Celsius. If = there is a large disparity, I will have to come up with an alternative, = but if it is within a few degrees, I will call it successful. Thanks = again. Paul Conner ----- Original Message -----=20 From: Ed Anderson=20 To: Rotary motors in aircraft=20 Sent: Wednesday, March 23, 2005 9:25 AM Subject: [FlyRotary] Re: water temp sender connections =20 Paul, just a note of caution, if you are tempted to use the small = Mazda coolant sensor location on the rear housing near the oil pressure = sensor, be aware it is very none linear (perhaps the Mazda coolant gauge = is as well {:>)) - if you are using another sensor then disregard. I = thought I was getting temps of over 250F by monitoring the Mazda Sensor = in that location - until I calibrated it in a pot of water and found out = the temps were closer to 210F. =20 =20 Ed A ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Wednesday, March 23, 2005 12:25 AM Subject: [FlyRotary] Re: water temp sender connections =20 The engine has a stock water temp sender next to the oil pressure = switch. I will try using that to send temp information to my engine = monitor. If that does not work, I will install another temp sending = unit like the one that came stock in the water pump housing. =20 Glad to hear you're getting real numbers now, give or take that = silly metric system :-) I'm not sure what the specs are on the stock = sensor, but you can get aftermarket sensors that fit the rear housing = hole. The thread is M10 x 1.0, and egauges.com has them in at least the = VDO range of resistance. =20 =20 Cheers, Rusty (hoping it will rain hamburgers for Tracy) -------------------------------------------------------------------------= --- No virus found in this incoming message. Checked by AVG Anti-Virus. Version: 7.0.308 / Virus Database: 266.7.4 - Release Date: 3/18/2005 -------------------------------------------------------------------------= ----- No virus found in this incoming message. Checked by AVG Anti-Virus. Version: 7.0.308 / Virus Database: 266.8.1 - Release Date: 3/23/2005 ------=_NextPart_000_010A_01C52FD2.30E6D900 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message=
Thanks, Mark.  I suspected the = temps there=20 would be higher than they would be on the way out of the water pump = towards the=20 radiator, as there will be some cooling air hitting that part of the = water pump,=20 so I will take that into account.  I figure if the temp sensor in = the water=20 pump housing says 180 degrees, and the one in the housing says 190 = degrees, that=20 will be close enough. (Just as long as it doesen't produce some = rediculout=20 reading such as +275 F).  Thanks again for the info.  Paul=20 Conner
 
----- Original Message -----
From:=20 Mark R Steitle =
Sent: Wednesday, March 23, 2005 = 11:08=20 AM
Subject: [FlyRotary] Re: water = temp=20 sender connections

Paul,=20

Just a = comment on=20 your sensor placement.  If you locate it in the hole in the top = of the=20 end housing you will see higher temps than at the engine outlet.  = This is=20 because the coolant flows down the hot (plugs) side first, then across = and=20 back through the cold side.  Measurements at the end housing = should give=20 you the highest of the two readings.  I don=92t know how exactly = how much=20 disparity there will be though.

 

Mark=20 S.

From:=20 Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net] On=20 Behalf Of Paul
Sent: Wednesday, March 23, 2005 = 10:48=20 AM
To: = Rotary motors in aircraft
Subject: [FlyRotary] Re: water = temp=20 sender connections

 

Thanks, Ed....I just = ordered a=20 250F/120C VDO sender with an M10x1 thread from egauges.com (Thanks,=20 Rusty). It will connect to my AV-10 engine monitor.  I will = be able=20 to compare it to the reading I get from the sender mounted in the = thermostat=20 housing. which is connected to my ECU which has a panel display which = shows=20 water temp in Celsius. If there is a large disparity, I will have to = come up=20 with an alternative, but if it is within a few degrees, I will call it = successful. Thanks again.  Paul = Conner

----- Original Message = -----=20

From: Ed=20 Anderson

To: Rotary motors in = aircraft=20

Sent:=20 Wednesday, March 23, 2005 9:25 AM

Subject:=20 [FlyRotary] Re: water temp sender=20 connections

 

Paul, just a note of = caution, if=20 you are tempted to use the small Mazda coolant sensor  location = on the=20 rear housing near the oil pressure sensor, be aware it is very = none=20 linear (perhaps the Mazda coolant gauge is as well = {:>)) - if=20 you are using another sensor then disregard.  I thought I was = getting=20 temps of over 250F by monitoring the Mazda Sensor in that location - = until I=20 calibrated it in a pot of water and found out the temps were closer = to=20 210F. 

 

Ed=20 A

----- Original = Message -----=20

From: Russell=20 Duffy

To: Rotary motors in = aircraft=20

Sent:=20 Wednesday, March 23, 2005 12:25 = AM

Subject:=20 [FlyRotary] Re: water temp sender=20 connections

 

The engine has a = stock water=20 temp sender next to the oil pressure switch. I will try using that = to send=20 temp information to my engine monitor.  If that does not = work, I will=20 install another temp sending unit like the one that came stock in = the=20 water pump housing.

 

Glad to hear=20 you're getting real numbers now, give or take that silly = metric=20 system :-)  I'm not sure what the specs are on the stock = sensor,=20 but you can get aftermarket sensors that fit the rear housing = hole. =20 The thread is M10 x 1.0, and egauges.com has them in at least = the VDO=20 range of=20 resistance.   

 

Cheers,

Rusty = (hoping it=20 will rain hamburgers for Tracy)

No virus found in this incoming = message.
Checked=20 by AVG Anti-Virus.
Version: 7.0.308 / Virus Database: 266.7.4 - = Release=20 Date: 3/18/2005

No virus found in this incoming message.
Checked by AVG=20 Anti-Virus.
Version: 7.0.308 / Virus Database: 266.8.1 - Release = Date:=20 3/23/2005
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