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Flibob
Joined: 25 Jun 2014
Posts: 28
Location: Indiana
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 Posted: Tue Jul 11, 2017 2:06 pm Post subject: Hi Oil temp |
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I bought a new CJ. My first airplane oil temp always pretty much stayed around 50 to 60°. On the new plane run 7075 and sometimes a little higher. If I open the gills and lower the cylinder head down to to 120 the oil temp will stay around 70 but I don't like run the cylinder head that low the new plane is using shell 50W weight and my old plane is using Phillips multigrade any suggestions
Sent from my iPhone
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wlannon(at)shaw.ca
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| Posted: Tue Jul 11, 2017 4:07 pm Post subject: Hi Oil temp |
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The first thing to consider with a CJ oil temp. question is are you reading
oil IN or oil OUT?
Since it is your second CJ I'm sure you are familiar with the system but
it's possible the switch is incorrectly wired or installed.
Check switch in flight and/or compare with your GIB. Rear gauge is Oil IN.
Walt
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cjpilot710(at)aol.com
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| Posted: Tue Jul 11, 2017 6:12 pm Post subject: Hi Oil temp |
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I am no expert. I've used Aeroshell 100W in both the HS6 and M14p in my CJ. Anytime I used a multi grade in either engine, I notice oil leaks. I've notice the same thing on PW 1830 on our B24. We no longer use multi grade on either the B-17 or B-24. 50w seem a little light for these engines.
Make sure your oil cooler is clean. I use a mixture of GUNK and mineral spirits (25%/75%) and spray it into the cooler. Be generous. Let it sit for a few minutes (5 or 10) and then flush it out with water until it runs clear. You can also remove the oil cooler from the airplane and used the same concoction to flush out the inter part of the cooler.
Using a good oil filter in the exit line from the engine (I use a 10 micron filter) keeps the oil cooler clean and thus more effective at cooling. In fact basically it keeps the whole system, (lines, cooler, and tank) clean. And the engine last a lot longer.
Jim "Pappy" Goolsby
In a message dated 7/11/2017 6:07:31 P.M. Eastern Daylight Time, flibob(at)att.net writes:
| Quote: | --> Yak-List message posted by: Robert Graves <flibob(at)att.net>
I bought a new CJ. My first airplane oil temp always pretty much stayed around 50 to 60°. On the new plane run 7075 and sometimes a little higher. If I open the gills and lower the cylinder head down to to 120 the oil temp will stay around 70 but I don't like run the cylinder head that low the new plane is using shell 50W weight and my old plane is using Phillips multigrade any suggestions
Sent from my ========================e ties Day ================================================ - MATRONICS WEB FORUMS ================================================ - NEW MATRONICS LIST WIKI -_-= - List Contribution Web Site sp; ===================================================
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Flibob
Joined: 25 Jun 2014
Posts: 28
Location: Indiana
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| Posted: Tue Jul 11, 2017 6:56 pm Post subject: Hi Oil temp |
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Thanks Walt I will double check that
GiddyUp,
Bob
On Jul 11, 2017, at 8:04 PM, Walter Lannon <wlannon(at)shaw.ca> wrote:
The first thing to consider with a CJ oil temp. question is are you reading oil IN or oil OUT?
Since it is your second CJ I'm sure you are familiar with the system but it's possible the switch is incorrectly wired or installed.
Check switch in flight and/or compare with your GIB. Rear gauge is Oil IN.
Walt
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draftsjust417(at)gmail.co
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| Posted: Wed Jul 12, 2017 3:38 am Post subject: Hi Oil temp |
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Btw Walt, very glad to hear about the rear gauge reading IN, I didn't know that, thanks-Justin Drafts, N280NC
On Tue, Jul 11, 2017 at 8:04 PM, Walter Lannon <wlannon(at)shaw.ca (wlannon(at)shaw.ca)> wrote:
[quote]--> Yak-List message posted by: "Walter Lannon" <wlannon(at)shaw.ca (wlannon(at)shaw.ca)>
The first thing to consider with a CJ oil temp. question is are you reading oil IN or oil OUT?
Since it is your second CJ I'm sure you are familiar with the system but it's possible the switch is incorrectly wired or installed.
Check switch in flight and/or compare with your GIB. Rear gauge is Oil IN.
Walt
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Dawg
Joined: 19 May 2013
Posts: 355
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| Posted: Wed Jul 12, 2017 7:23 am Post subject: Hi Oil temp |
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so do you use In or Out for takeoff oil temp?
On Jul 12, 2017, at 20:35, Justin Drafts <draftsjust417(at)gmail.com (draftsjust417(at)gmail.com)> wrote:
[quote]Btw Walt, very glad to hear about the rear gauge reading IN, I didn't know that, thanks-Justin Drafts, N280NC
On Tue, Jul 11, 2017 at 8:04 PM, Walter Lannon <wlannon(at)shaw.ca (wlannon(at)shaw.ca)> wrote:
[quote]--> Yak-List message posted by: "Walter Lannon" <wlannon(at)shaw.ca (wlannon(at)shaw.ca)>
The first thing to consider with a CJ oil temp. question is are you reading oil IN or oil OUT?
Since it is your second CJ I'm sure you are familiar with the system but it's possible the switch is incorrectly wired or installed.
Check switch in flight and/or compare with your GIB. Rear gauge is Oil IN.
Walt
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Dawg |
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Flibob
Joined: 25 Jun 2014
Posts: 28
Location: Indiana
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| Posted: Wed Jul 12, 2017 7:48 am Post subject: Hi Oil temp |
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I always use in
Sent from my iPhone
On Jul 12, 2017, at 11:19 AM, Bill Geipel <l129bs(at)gmail.com (l129bs(at)gmail.com)> wrote:
[quote]
so do you use In or Out for takeoff oil temp?
On Jul 12, 2017, at 20:35, Justin Drafts <draftsjust417(at)gmail.com (draftsjust417(at)gmail.com)> wrote:
[quote]Btw Walt, very glad to hear about the rear gauge reading IN, I didn't know that, thanks-Justin Drafts, N280NC
On Tue, Jul 11, 2017 at 8:04 PM, Walter Lannon <wlannon(at)shaw.ca (wlannon(at)shaw.ca)> wrote:
[quote]--> Yak-List message posted by: "Walter Lannon" <wlannon(at)shaw.ca (wlannon(at)shaw.ca)>
The first thing to consider with a CJ oil temp. question is are you reading oil IN or oil OUT?
Since it is your second CJ I'm sure you are familiar with the system but it's possible the switch is incorrectly wired or installed.
Check switch in flight and/or compare with your GIB. Rear gauge is Oil IN.
Walt
-
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Ernie
Joined: 11 Jan 2006
Posts: 513
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| Posted: Wed Jul 12, 2017 7:52 am Post subject: Hi Oil temp |
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Generall Speaking they're relative. From a trend monitoring standpoint, OUT will give you a more direct indication engine performance.
On Wed, Jul 12, 2017 at 11:32 AM Bill Geipel <l129bs(at)gmail.com (l129bs(at)gmail.com)> wrote:
[quote]
so do you use In or Out for takeoff oil temp?
On Jul 12, 2017, at 20:35, Justin Drafts <draftsjust417(at)gmail.com (draftsjust417(at)gmail.com)> wrote:
| Quote: | Btw Walt, very glad to hear about the rear gauge reading IN, I didn't know that, thanks-Justin Drafts, N280NC
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| Quote: | On Tue, Jul 11, 2017 at 8:04 PM, Walter Lannon <wlannon(at)shaw.ca (wlannon(at)shaw.ca)> wrote:
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[quote][quote]--> Yak-List message posted by: "Walter Lannon" <wlannon(at)shaw.ca (wlannon(at)shaw.ca)>
The first thing to consider with a CJ oil temp. question is are you reading oil IN or oil OUT?
Since it is your second CJ I'm sure you are familiar with the system but it's possible the switch is incorrectly wired or installed.
Check switch in flight and/or compare with your GIB. Rear gauge is Oil IN.
Walt
-
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Ernie
Joined: 11 Jan 2006
Posts: 513
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| Posted: Wed Jul 12, 2017 7:57 am Post subject: Hi Oil temp |
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IMHO, IN doesn't really say much by itself, but the spread between IN and OUT can tell you a lot. One who is so inclined to monitor and log that spread can gain a lot of insight when a observing a deviation from the mean spread between the 2 temps.
On Wed, Jul 12, 2017 at 11:51 AM Robert Graves <flibob(at)att.net (flibob(at)att.net)> wrote:
[quote]I always use in
Sent from my iPhone
On Jul 12, 2017, at 11:19 AM, Bill Geipel <l129bs(at)gmail.com (l129bs(at)gmail.com)> wrote:
[quote]
so do you use In or Out for takeoff oil temp?
On Jul 12, 2017, at 20:35, Justin Drafts <draftsjust417(at)gmail.com (draftsjust417(at)gmail.com)> wrote:
[quote]Btw Walt, very glad to hear about the rear gauge reading IN, I didn't know that, thanks-Justin Drafts, N280NC
On Tue, Jul 11, 2017 at 8:04 PM, Walter Lannon <wlannon(at)shaw.ca (wlannon(at)shaw.ca)> wrote:
[quote]--> Yak-List message posted by: "Walter Lannon" <wlannon(at)shaw.ca (wlannon(at)shaw.ca)>
The first thing to consider with a CJ oil temp. question is are you reading oil IN or oil OUT?
Since it is your second CJ I'm sure you are familiar with the system but it's possible the switch is incorrectly wired or installed.
Check switch in flight and/or compare with your GIB. Rear gauge is Oil IN.
Walt
-
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http://www.matronics.com/Navigator?Yak-List |
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jblake207(at)comcast.net
Guest
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| Posted: Wed Jul 12, 2017 8:21 am Post subject: Hi Oil temp |
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Yeah, what he said... see attached.
From: "Ernest Martinez" <erniel29(at)gmail.com>
To: yak-list(at)matronics.com
Sent: Wednesday, July 12, 2017 10:54:29 AM
Subject: Re: Hi Oil temp
IMHO, IN doesn't really say much by itself, but the spread between IN and OUT can tell you a lot. One who is so inclined to monitor and log that spread can gain a lot of insight when a observing a deviation from the mean spread between the 2 temps.
On Wed, Jul 12, 2017 at 11:51 AM Robert Graves <flibob(at)att.net (flibob(at)att.net)> wrote:
[quote] I always use in
Sent from my iPhone
On Jul 12, 2017, at 11:19 AM, Bill Geipel <l129bs(at)gmail.com (l129bs(at)gmail.com)> wrote:
[quote]
so do you use In or Out for takeoff oil temp?
On Jul 12, 2017, at 20:35, Justin Drafts <draftsjust417(at)gmail.com (draftsjust417(at)gmail.com)> wrote:
[quote] Btw Walt, very glad to hear about the rear gauge reading IN, I didn't know that, thanks- Justin Drafts, N280NC
On Tue, Jul 11, 2017 at 8:04 PM, Walter Lannon <wlannon(at)shaw.ca (wlannon(at)shaw.ca)> wrote:
[quote]--> Yak-List message posted by: "Walter Lannon" <wlannon(at)shaw.ca (wlannon(at)shaw.ca)>
The first thing to consider with a CJ oil temp. question is are you reading oil IN or oil OUT?
Since it is your second CJ I'm sure you are familiar with the system but it's possible the switch is incorrectly wired or installed.
Check switch in flight and/or compare with your GIB. Rear gauge is Oil IN.
Walt
-
| | - The Matronics Yak-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Yak-List |
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Dawg
Joined: 19 May 2013
Posts: 355
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| Posted: Wed Jul 12, 2017 12:41 pm Post subject: Hi Oil temp |
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new to the CJ world. In from/to where, Out/from where to where?Where is the chip detector located? Pix?[quote]On Jul 12, 2017, at 10:18, JON <jblake207(at)comcast.net (jblake207(at)comcast.net)> wrote:
Yeah, what he said... see attached.
From: "Ernest Martinez" <erniel29(at)gmail.com (erniel29(at)gmail.com)>To: yak-list(at)matronics.com (yak-list(at)matronics.com)Sent: Wednesday, July 12, 2017 10:54:29 AMSubject: Re: Hi Oil temp
IMHO, IN doesn't really say much by itself, but the spread between IN and OUT can tell you a lot. One who is so inclined to monitor and log that spread can gain a lot of insight when a observing a deviation from the mean spread between the 2 temps.
On Wed, Jul 12, 2017 at 11:51 AM Robert Graves <flibob(at)att.net (flibob(at)att.net)> wrote:
[quote] I always use in
Sent from my iPhone
On Jul 12, 2017, at 11:19 AM, Bill Geipel <l129bs(at)gmail.com (l129bs(at)gmail.com)> wrote:
[quote]
so do you use In or Out for takeoff oil temp?
On Jul 12, 2017, at 20:35, Justin Drafts <draftsjust417(at)gmail.com (draftsjust417(at)gmail.com)> wrote:
[quote] Btw Walt, very glad to hear about the rear gauge reading IN, I didn't know that, thanks- Justin Drafts, N280NC
On Tue, Jul 11, 2017 at 8:04 PM, Walter Lannon <wlannon(at)shaw.ca (wlannon(at)shaw.ca)> wrote: [quote]--> Yak-List message posted by: "Walter Lannon" <wlannon(at)shaw.ca (wlannon(at)shaw.ca)>The first thing to consider with a CJ oil temp. question is are you reading oil IN or oil OUT?Since it is your second CJ I'm sure you are familiar with the system but it's possible the switch is incorrectly wired or installed.Check switch in flight and/or compare with your GIB. Rear gauge is Oil IN.Walt-
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Dawg |
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Ernie
Joined: 11 Jan 2006
Posts: 513
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| Posted: Wed Jul 12, 2017 12:50 pm Post subject: Hi Oil temp |
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You got a CJ??? Good man.
IN to engine from Oil Cooler
OUT from engine to Oil cooler.
IN is cooler than OUT.
On Wed, Jul 12, 2017 at 4:37 PM, William Geipel <l129bs(at)gmail.com (l129bs(at)gmail.com)> wrote:
[quote]new to the CJ world. In from/to where, Out/from where to where?Where is the chip detector located? Pix?
[quote]On Jul 12, 2017, at 10:18, JON <jblake207(at)comcast.net (jblake207(at)comcast.net)> wrote:
Yeah, what he said... see attached.
From: "Ernest Martinez" <erniel29(at)gmail.com (erniel29(at)gmail.com)>
To: yak-list(at)matronics.com (yak-list(at)matronics.com)
Sent: Wednesday, July 12, 2017 10:54:29 AM
Subject: Re: Hi Oil temp
IMHO, IN doesn't really say much by itself, but the spread between IN and OUT can tell you a lot. One who is so inclined to monitor and log that spread can gain a lot of insight when a observing a deviation from the mean spread between the 2 temps.
On Wed, Jul 12, 2017 at 11:51 AM Robert Graves <flibob(at)att.net (flibob(at)att.net)> wrote:
[quote] I always use in
Sent from my iPhone
On Jul 12, 2017, at 11:19 AM, Bill Geipel <l129bs(at)gmail.com (l129bs(at)gmail.com)> wrote:
[quote]
so do you use In or Out for takeoff oil temp?
On Jul 12, 2017, at 20:35, Justin Drafts <draftsjust417(at)gmail.com (draftsjust417(at)gmail.com)> wrote:
[quote] Btw Walt, very glad to hear about the rear gauge reading IN, I didn't know that, thanks- Justin Drafts, N280NC
On Tue, Jul 11, 2017 at 8:04 PM, Walter Lannon <wlannon(at)shaw.ca (wlannon(at)shaw.ca)> wrote:
[quote]--> Yak-List message posted by: "Walter Lannon" <wlannon(at)shaw.ca (wlannon(at)shaw.ca)>
The first thing to consider with a CJ oil temp. question is are you reading oil IN or oil OUT?
Since it is your second CJ I'm sure you are familiar with the system but it's possible the switch is incorrectly wired or installed.
Check switch in flight and/or compare with your GIB. Rear gauge is Oil IN.
Walt
-
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http://www.matronics.com/Navigator?Yak-List |
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Ernie
Joined: 11 Jan 2006
Posts: 513
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| Posted: Wed Jul 12, 2017 12:51 pm Post subject: Hi Oil temp |
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No Chip detector from factory.
On Wed, Jul 12, 2017 at 4:47 PM, Ernest Martinez <erniel29(at)gmail.com (erniel29(at)gmail.com)> wrote:
[quote]You got a CJ??? Good man.
IN to engine from Oil Cooler
OUT from engine to Oil cooler.
IN is cooler than OUT.
On Wed, Jul 12, 2017 at 4:37 PM, William Geipel <l129bs(at)gmail.com (l129bs(at)gmail.com)> wrote:
[quote]new to the CJ world. In from/to where, Out/from where to where?Where is the chip detector located? Pix?
[quote]On Jul 12, 2017, at 10:18, JON <jblake207(at)comcast.net (jblake207(at)comcast.net)> wrote:
Yeah, what he said... see attached.
From: "Ernest Martinez" <erniel29(at)gmail.com (erniel29(at)gmail.com)>
To: yak-list(at)matronics.com (yak-list(at)matronics.com)
Sent: Wednesday, July 12, 2017 10:54:29 AM
Subject: Re: Hi Oil temp
IMHO, IN doesn't really say much by itself, but the spread between IN and OUT can tell you a lot. One who is so inclined to monitor and log that spread can gain a lot of insight when a observing a deviation from the mean spread between the 2 temps.
On Wed, Jul 12, 2017 at 11:51 AM Robert Graves <flibob(at)att.net (flibob(at)att.net)> wrote:
[quote] I always use in
Sent from my iPhone
On Jul 12, 2017, at 11:19 AM, Bill Geipel <l129bs(at)gmail.com (l129bs(at)gmail.com)> wrote:
[quote]
so do you use In or Out for takeoff oil temp?
On Jul 12, 2017, at 20:35, Justin Drafts <draftsjust417(at)gmail.com (draftsjust417(at)gmail.com)> wrote:
[quote] Btw Walt, very glad to hear about the rear gauge reading IN, I didn't know that, thanks- Justin Drafts, N280NC
On Tue, Jul 11, 2017 at 8:04 PM, Walter Lannon <wlannon(at)shaw.ca (wlannon(at)shaw.ca)> wrote:
[quote]--> Yak-List message posted by: "Walter Lannon" <wlannon(at)shaw.ca (wlannon(at)shaw.ca)>
The first thing to consider with a CJ oil temp. question is are you reading oil IN or oil OUT?
Since it is your second CJ I'm sure you are familiar with the system but it's possible the switch is incorrectly wired or installed.
Check switch in flight and/or compare with your GIB. Rear gauge is Oil IN.
Walt
-
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Clouddog
Joined: 02 Jun 2016
Posts: 119
Location: Lebanon, TN
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| Posted: Wed Jul 12, 2017 1:00 pm Post subject: Hi Oil temp |
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Where you located with your CJ??
On Jul 12, 2017 15:44, "William Geipel" <l129bs(at)gmail.com (l129bs(at)gmail.com)> wrote:[quote]new to the CJ world. In from/to where, Out/from where to where?Where is the chip detector located? Pix?
[quote]On Jul 12, 2017, at 10:18, JON <jblake207(at)comcast.net (jblake207(at)comcast.net)> wrote:
Yeah, what he said... see attached.
From: "Ernest Martinez" <erniel29(at)gmail.com (erniel29(at)gmail.com)>
To: yak-list(at)matronics.com (yak-list(at)matronics.com)
Sent: Wednesday, July 12, 2017 10:54:29 AM
Subject: Re: Hi Oil temp
IMHO, IN doesn't really say much by itself, but the spread between IN and OUT can tell you a lot. One who is so inclined to monitor and log that spread can gain a lot of insight when a observing a deviation from the mean spread between the 2 temps.
On Wed, Jul 12, 2017 at 11:51 AM Robert Graves <flibob(at)att.net (flibob(at)att.net)> wrote:
[quote] I always use in
Sent from my iPhone
On Jul 12, 2017, at 11:19 AM, Bill Geipel <l129bs(at)gmail.com (l129bs(at)gmail.com)> wrote:
[quote]
so do you use In or Out for takeoff oil temp?
On Jul 12, 2017, at 20:35, Justin Drafts <draftsjust417(at)gmail.com (draftsjust417(at)gmail.com)> wrote:
[quote] Btw Walt, very glad to hear about the rear gauge reading IN, I didn't know that, thanks- Justin Drafts, N280NC
On Tue, Jul 11, 2017 at 8:04 PM, Walter Lannon <wlannon(at)shaw.ca (wlannon(at)shaw.ca)> wrote:
[quote]--> Yak-List message posted by: "Walter Lannon" <wlannon(at)shaw.ca (wlannon(at)shaw.ca)>
The first thing to consider with a CJ oil temp. question is are you reading oil IN or oil OUT?
Since it is your second CJ I'm sure you are familiar with the system but it's possible the switch is incorrectly wired or installed.
Check switch in flight and/or compare with your GIB. Rear gauge is Oil IN.
Walt
-
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pfstelwagon(at)earthlink.
Guest
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| Posted: Wed Jul 12, 2017 1:26 pm Post subject: Hi Oil temp |
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Actually, IN is from the tank into the engine OUT is from the engine to the oil cooler. The cooled oil goes back to the Oil tank. Remember Oil is the coolant as well as the lubricant.
From: owner-yak-list-server(at)matronics.com [mailto:owner-yak-list-server(at)matronics.com] On Behalf Of Ernest Martinez
Sent: Wednesday, July 12, 2017 1:47 PM
To: yak-list <yak-list(at)matronics.com>
Subject: Re: Hi Oil temp
You got a CJ??? Good man.
IN to engine from Oil Cooler
OUT from engine to Oil cooler.
IN is cooler than OUT.
On Wed, Jul 12, 2017 at 4:37 PM, William Geipel <l129bs(at)gmail.com (l129bs(at)gmail.com)> wrote:[quote]
new to the CJ world. In from/to where, Out/from where to where?
Where is the chip detector located? Pix?
[quote]
On Jul 12, 2017, at 10:18, JON <jblake207(at)comcast.net (jblake207(at)comcast.net)> wrote:
Yeah, what he said... see attached.
From: "Ernest Martinez" <erniel29(at)gmail.com (erniel29(at)gmail.com)>
To: yak-list(at)matronics.com (yak-list(at)matronics.com)
Sent: Wednesday, July 12, 2017 10:54:29 AM
Subject: Re: Hi Oil temp
IMHO, IN doesn't really say much by itself, but the spread between IN and OUT can tell you a lot. One who is so inclined to monitor and log that spread can gain a lot of insight when a observing a deviation from the mean spread between the 2 temps.
On Wed, Jul 12, 2017 at 11:51 AM Robert Graves <flibob(at)att.net (flibob(at)att.net)> wrote:
[quote]
I always use in
Sent from my iPhone
On Jul 12, 2017, at 11:19 AM, Bill Geipel <l129bs(at)gmail.com (l129bs(at)gmail.com)> wrote:
[quote]
so do you use In or Out for takeoff oil temp?
On Jul 12, 2017, at 20:35, Justin Drafts <draftsjust417(at)gmail.com (draftsjust417(at)gmail.com)> wrote:
[quote]
Btw Walt, very glad to hear about the rear gauge reading IN, I didn't know that, thanks-
Justin Drafts, N280NC
On Tue, Jul 11, 2017 at 8:04 PM, Walter Lannon <wlannon(at)shaw.ca (wlannon(at)shaw.ca)> wrote:[quote]
--> Yak-List message posted by: "Walter Lannon" <wlannon(at)shaw.ca (wlannon(at)shaw.ca)>
The first thing to consider with a CJ oil temp. question is are you reading oil IN or oil OUT?
Since it is your second CJ I'm sure you are familiar with the system but it's possible the switch is incorrectly wired or installed.
Check switch in flight and/or compare with your GIB. Rear gauge is Oil IN.
Walt
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Ernie
Joined: 11 Jan 2006
Posts: 513
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| Posted: Wed Jul 12, 2017 1:34 pm Post subject: Hi Oil temp |
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Ok, I left the tank out of the equation. Bottom line, IN is cooler than OUT
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Dawg
Joined: 19 May 2013
Posts: 355
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| Posted: Wed Jul 12, 2017 4:02 pm Post subject: Hi Oil temp |
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Gone to the dark side…[quote]On Jul 12, 2017, at 14:48, Ernest Martinez <erniel29(at)gmail.com (erniel29(at)gmail.com)> wrote:
No Chip detector from factory.
On Wed, Jul 12, 2017 at 4:47 PM, Ernest Martinez <erniel29(at)gmail.com (erniel29(at)gmail.com)> wrote:[quote]You got a CJ??? Good man.
IN to engine from Oil Cooler
OUT from engine to Oil cooler.
IN is cooler than OUT.
On Wed, Jul 12, 2017 at 4:37 PM, William Geipel <l129bs(at)gmail.com (l129bs(at)gmail.com)> wrote:[quote]new to the CJ world. In from/to where, Out/from where to where?Where is the chip detector located? Pix?[quote]On Jul 12, 2017, at 10:18, JON <jblake207(at)comcast.net (jblake207(at)comcast.net)> wrote:
Yeah, what he said... see attached.
From: "Ernest Martinez" <erniel29(at)gmail.com (erniel29(at)gmail.com)>To: yak-list(at)matronics.com (yak-list(at)matronics.com)Sent: Wednesday, July 12, 2017 10:54:29 AMSubject: Re: Hi Oil temp
IMHO, IN doesn't really say much by itself, but the spread between IN and OUT can tell you a lot. One who is so inclined to monitor and log that spread can gain a lot of insight when a observing a deviation from the mean spread between the 2 temps.
On Wed, Jul 12, 2017 at 11:51 AM Robert Graves <flibob(at)att.net (flibob(at)att.net)> wrote:
[quote] I always use in
Sent from my iPhone
On Jul 12, 2017, at 11:19 AM, Bill Geipel <l129bs(at)gmail.com (l129bs(at)gmail.com)> wrote:
[quote]
so do you use In or Out for takeoff oil temp?
On Jul 12, 2017, at 20:35, Justin Drafts <draftsjust417(at)gmail.com (draftsjust417(at)gmail.com)> wrote:
[quote] Btw Walt, very glad to hear about the rear gauge reading IN, I didn't know that, thanks- Justin Drafts, N280NC
On Tue, Jul 11, 2017 at 8:04 PM, Walter Lannon <wlannon(at)shaw.ca (wlannon(at)shaw.ca)> wrote: [quote]--> Yak-List message posted by: "Walter Lannon" <wlannon(at)shaw.ca (wlannon(at)shaw.ca)>The first thing to consider with a CJ oil temp. question is are you reading oil IN or oil OUT?Since it is your second CJ I'm sure you are familiar with the system but it's possible the switch is incorrectly wired or installed.Check switch in flight and/or compare with your GIB. Rear gauge is Oil IN.Walt-
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Dawg
Joined: 19 May 2013
Posts: 355
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| Posted: Wed Jul 12, 2017 4:04 pm Post subject: Hi Oil temp |
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Westcliffe, Colorado[quote]On Jul 12, 2017, at 14:57, Greg Wrobel <clouddog22(at)gmail.com (clouddog22(at)gmail.com)> wrote:
Where you located with your CJ??
On Jul 12, 2017 15:44, "William Geipel" <l129bs(at)gmail.com (l129bs(at)gmail.com)> wrote:[quote]new to the CJ world. In from/to where, Out/from where to where?Where is the chip detector located? Pix?[quote]On Jul 12, 2017, at 10:18, JON <jblake207(at)comcast.net (jblake207(at)comcast.net)> wrote:
Yeah, what he said... see attached.
From: "Ernest Martinez" <erniel29(at)gmail.com (erniel29(at)gmail.com)>To: yak-list(at)matronics.com (yak-list(at)matronics.com)Sent: Wednesday, July 12, 2017 10:54:29 AMSubject: Re: Hi Oil temp
IMHO, IN doesn't really say much by itself, but the spread between IN and OUT can tell you a lot. One who is so inclined to monitor and log that spread can gain a lot of insight when a observing a deviation from the mean spread between the 2 temps.
On Wed, Jul 12, 2017 at 11:51 AM Robert Graves <flibob(at)att.net (flibob(at)att.net)> wrote:
[quote] I always use in
Sent from my iPhone
On Jul 12, 2017, at 11:19 AM, Bill Geipel <l129bs(at)gmail.com (l129bs(at)gmail.com)> wrote:
[quote]
so do you use In or Out for takeoff oil temp?
On Jul 12, 2017, at 20:35, Justin Drafts <draftsjust417(at)gmail.com (draftsjust417(at)gmail.com)> wrote:
[quote] Btw Walt, very glad to hear about the rear gauge reading IN, I didn't know that, thanks- Justin Drafts, N280NC
On Tue, Jul 11, 2017 at 8:04 PM, Walter Lannon <wlannon(at)shaw.ca (wlannon(at)shaw.ca)> wrote: [quote]--> Yak-List message posted by: "Walter Lannon" <wlannon(at)shaw.ca (wlannon(at)shaw.ca)>The first thing to consider with a CJ oil temp. question is are you reading oil IN or oil OUT?Since it is your second CJ I'm sure you are familiar with the system but it's possible the switch is incorrectly wired or installed.Check switch in flight and/or compare with your GIB. Rear gauge is Oil IN.Walt-
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Ernie
Joined: 11 Jan 2006
Posts: 513
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| Posted: Wed Jul 12, 2017 4:51 pm Post subject: Hi Oil temp |
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Jon,
I think you missed my point. The formula below is for standard deviation which is not what I was going for. To put it in terms that you might understand, if the difference between IN and OUT temps are normally lets just say 15 degrees C, then thats the mean, or average. If one day you realize that the spread between the two temps is greater or less than 15 degrees, then there is something to look at. If the OUT is the same but IN is higher then your oil cooler may not be working properly, or your oil level may be low. If the IN is the same but the OUT is higher then you may have something going on in the engine, etc etc etc.. There are many different scenarios that can play out here.
So MEAN means average, SPREAD means difference, MEAN SPREAD means the average difference of IN/OUT temps for your airplane.
Hope this helps.
Ernie
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