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tdawson-townsend(at)auror
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 Posted: Mon Aug 01, 2011 5:37 am Post subject: Airwolf Oil Chiller |
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This is a simple, but "cool" new product at Oshkosh: the Airwolf Oil Chiller
http://www.airwolf.com/ (click on Oil Chiller)
http://www.aircraftspruce.com/catalog/eppages/airwolfoilchiller.php
Basically a heat sink that wraps around your oil filter. They have good anecdotal results on some glider tow planes. An easy mod if oil temps are a concern.
Tim
40025
Back in MA
[quote][b]
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Kelly McMullen
Joined: 16 Apr 2008
Posts: 1188
Location: Sun Lakes AZ
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| Posted: Mon Aug 01, 2011 6:21 am Post subject: Airwolf Oil Chiller |
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Color me skeptical. If your engine baffling is properly sealed, the
oil filter isn't going to have very much air flow around it to carry
away heat.
On Mon, Aug 1, 2011 at 6:35 AM, Dawson-Townsend,Timothy
<tdawson-townsend(at)aurora.aero> wrote:
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_________________
Kelly McMullen
A&P/IA, EAA Tech Counselor
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Deems Davis
Joined: 09 Jan 2006
Posts: 925
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| Posted: Mon Aug 01, 2011 6:33 am Post subject: Airwolf Oil Chiller |
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A couple of well aimed blast tubes would help.
Deems
--
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Tim Olson
Joined: 25 Jan 2007
Posts: 2879
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| Posted: Mon Aug 01, 2011 6:36 am Post subject: Airwolf Oil Chiller |
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Someone in my group talked to them and they said that the oil filter was mounted down low, in high airflow of cool air, and basically made the install a 100% best case.....so I wouldn't bank on it making any major difference for us without a bit of work to idealize the situation.
Tim
On Aug 1, 2011, at 9:19 AM, Kelly McMullen <apilot2(at)gmail.com> wrote:
| Quote: |
Color me skeptical. If your engine baffling is properly sealed, the
oil filter isn't going to have very much air flow around it to carry
away heat.
On Mon, Aug 1, 2011 at 6:35 AM, Dawson-Townsend,Timothy
<tdawson-townsend(at)aurora.aero> wrote:
> This is a simple, but "cool" new product at Oshkosh: the Airwolf Oil
> Chiller
> http://www.airwolf.com/ (click on Oil Chiller)
> http://www.aircraftspruce.com/catalog/eppages/airwolfoilchiller.php
> Basically a heat sink that wraps around your oil filter. They have good
> anecdotal results on some glider tow planes. An easy mod if oil temps are a
> concern.
> Tim
> 40025
> Back in MA
>
>
>
>
>
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speckter(at)comcast.net
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| Posted: Mon Aug 01, 2011 6:43 am Post subject: Airwolf Oil Chiller |
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I talked with them and besides the fins they had a remote mounted cooler in
the exit air of the cowl to achieve the temp drop that they promote,
something like 60 degree difference.
I thought that as simple as the design is I could make up a set of fins and
put them on my B&C angle mount and just see if there is any difference. If
not I could add a blast tube as Deems suggested.
Gary Specketer
--
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pitts_pilot(at)bellsouth.
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| Posted: Mon Aug 01, 2011 6:50 am Post subject: Airwolf Oil Chiller |
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IMHO, it's a bandaid, and a poor one at that. I agree with Tim's comments. The blast tube idea would be effective if there was a can around the fins. My Traumahawk and Grumman with the O-235 has similar 'cans' around the oil filter or the oil screen housing. What we need to do is find the root cause because it's not just the RV-10s that have the problem. Is it poor baffling sealing? I'm planning on a plenum for mine as I hate cowl seals. For my buddys -7, the cooler dumps down into the lower right corner of the cowl. As I see it, the pressure differential across the cooler is the same as the pressure differential across the cylinders, but the oil cooler dumps into a large dead spot which makes airflow even worse. Ducting the oil cooler exhaust over to the cowl exit ramp might improve the airflow through the cooler ..... but I don't know if it'll work.
Linn
On 8/1/2011 10:31 AM, Deems Davis wrote: [quote] [quote]--> RV10-List message posted by: "Deems Davis" <deemsdavis(at)cox.net> (deemsdavis(at)cox.net) A couple of well aimed blast tubes would help. Deems --
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philperry9(at)gmail.com
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| Posted: Mon Aug 01, 2011 6:54 am Post subject: Airwolf Oil Chiller |
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Air Wolf has recommended these for a long long time. Before they came out with their own product they suggested going to an Aero Salvage place and picking on up from a Piper Tomahawk. Apparently they were standard on those airframes.
Pause here ---> I just checked the Airwolf site and their link is still up. Here is is:
Q: I am running high oil temperatures. How much will your oil filter help reduce my oil temperatures? A: Regardless of what engine you operate, the ideal temperature for the oil is 185°F. We want you to be as close to this number as possible. The first thing we need for you to do, is calibrate your oil temperature gauge to the numeric value of 185°F , so we have a starting point to work from. You can do this by purchasing a good thermometer, heating up some oil along with your oil temperature bulb, and seeing where 185°F is on YOUR gauge. A remote mounted oil filter will usually drop the oil temperatures about 20°F. Keep in mind that an oil filter is radiating heat, and only has so much surface area available. It is dependent on some airflow blowing on or around the oil filter, to carry away the heat. To gain maximum advantage of its cooling benefits, we recommend running a blast tube off the baffles and blow this cool air on the filter. If you want every ounce of cooling you can get, go to a salvage yard and buy the finned aluminum oil filter shroud that was used on the Piper Tomahawk aircraft. This will usually only get you an additional 5°F but anything you get will be free cooling.
I have seen them installed on an RV-10 before (Tomahawk Version). The filter was mounted on the lower passenger side of the firewall where it would be easy to change and drips/runs could go straight down into a drip pan without hitting anything in the FWF area. It had a blast tube as well. I'm planning on replicating that installation once my engine arrives this fall. It was a really nice setup.
Phil
On Mon, Aug 1, 2011 at 9:33 AM, Tim Olson <Tim(at)myrv10.com (Tim(at)myrv10.com)> wrote:
[quote] --> RV10-List message posted by: Tim Olson <Tim(at)myrv10.com (Tim(at)myrv10.com)>
Someone in my group talked to them and they said that the oil filter was mounted down low, in high airflow of cool air, and basically made the install a 100% best case.....so I wouldn't bank on it making any major difference for us without a bit of work to idealize the situation.
Tim
On Aug 1, 2011, at 9:19 AM, Kelly McMullen <apilot2(at)gmail.com (apilot2(at)gmail.com)> wrote:
> --> RV10-List message posted by: Kelly McMullen <apilot2(at)gmail.com (apilot2(at)gmail.com)>
>
> Color me skeptical. If your engine baffling is properly sealed, the
> oil filter isn't going to have very much air flow around it to carry
> away heat.
>
> On Mon, Aug 1, 2011 at 6:35 AM, Dawson-Townsend,Timothy
> <tdawson-townsend(at)aurora.aero (tdawson-townsend(at)aurora.aero)> wrote:
>> This is a simple, but "cool" new product at Oshkosh: the Airwolf Oil
>> Chiller
>> http://www.airwolf.com/ (click on Oil Chiller)
>> http://www.aircraftspruce.com/catalog/eppages/airwolfoilchiller.php
>> Basically a heat sink that wraps around your oil filter. They have good
>> anecdotal results on some glider tow planes. An easy mod if oil temps are a
>> concern.
>> Tim
>> 40025
>> Back in MA
>>
>>
>>
>>
>>
>
>
>
>
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arget="_blank">http://www.matronics.com/Navigator?RV10-List
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le, List Admin.
="_blank">http://www.matronics.com/contribution
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[b]
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msausen
Joined: 25 Oct 2007
Posts: 559
Location: Appleton, WI USA
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| Posted: Tue Aug 02, 2011 12:30 pm Post subject: Airwolf Oil Chiller |
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That’s exactly where I mounted mine.
Michael
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Phillip Perry
Sent: Monday, August 01, 2011 9:51 AM
To: rv10-list(at)matronics.com
Subject: Re: Airwolf Oil Chiller
Air Wolf has recommended these for a long long time. Before they came out with their own product they suggested going to an Aero Salvage place and picking on up from a Piper Tomahawk. Apparently they were standard on those airframes.
Pause here ---> I just checked the Airwolf site and their link is still up. Here is is:
Q:
I am running high oil temperatures. How much will your oil filter help reduce my oil temperatures?
A:
Regardless of what engine you operate, the ideal temperature for the oil is 185°F. We want you to be as close to this number as possible. The first thing we need for you to do, is calibrate your oil temperature gauge to the numeric value of 185°F , so we have a starting point to work from. You can do this by purchasing a good thermometer, heating up some oil along with your oil temperature bulb, and seeing where 185°F is on YOUR gauge. A remote mounted oil filter will usually drop the oil temperatures about 20°F. Keep in mind that an oil filter is radiating heat, and only has so much surface area available. It is dependent on some airflow blowing on or around the oil filter, to carry away the heat. To gain maximum advantage of its cooling benefits, we recommend running a blast tube off the baffles and blow this cool air on the filter. If you want every ounce of cooling you can get, go to a salvage yard and buy the finned aluminum oil filter shroud that was used on the Piper Tomahawk aircraft. This will usually only get you an additional 5°F but anything you get will be free cooling.
I have seen them installed on an RV-10 before (Tomahawk Version). The filter was mounted on the lower passenger side of the firewall where it would be easy to change and drips/runs could go straight down into a drip pan without hitting anything in the FWF area. It had a blast tube as well. I'm planning on replicating that installation once my engine arrives this fall. It was a really nice setup.
Phil
On Mon, Aug 1, 2011 at 9:33 AM, Tim Olson <Tim(at)myrv10.com (Tim(at)myrv10.com)> wrote:
--> RV10-List message posted by: Tim Olson <Tim(at)myrv10.com (Tim(at)myrv10.com)>
Someone in my group talked to them and they said that the oil filter was mounted down low, in high airflow of cool air, and basically made the install a 100% best case.....so I wouldn't bank on it making any major difference for us without a bit of work to idealize the situation.
Tim
On Aug 1, 2011, at 9:19 AM, Kelly McMullen <apilot2(at)gmail.com (apilot2(at)gmail.com)> wrote:
> --> RV10-List message posted by: Kelly McMullen <apilot2(at)gmail.com (apilot2(at)gmail.com)>
>
> Color me skeptical. If your engine baffling is properly sealed, the
> oil filter isn't going to have very much air flow around it to carry
> away heat.
>
> On Mon, Aug 1, 2011 at 6:35 AM, Dawson-Townsend,Timothy
> <tdawson-townsend(at)aurora.aero (tdawson-townsend(at)aurora.aero)> wrote:
>> This is a simple, but "cool" new product at Oshkosh: the Airwolf Oil
>> Chiller
>> http://www.airwolf.com/ (click on Oil Chiller)
>> http://www.aircraftspruce.com/catalog/eppages/airwolfoilchiller.php
>> Basically a heat sink that wraps around your oil filter. They have good
>> anecdotal results on some glider tow planes. An easy mod if oil temps are a
>> concern.
>> Tim
>> 40025
>> Back in MA
>>
>>
>>
>>
>>
>
>
>
>
===========
arget="_blank">http://www.matronics.com/Navigator?RV10-List
===========
http://forums.matronics.com
===========
le, List Admin.
="_blank">http://www.matronics.com/contribution
===========
==============[/b][/quote] V10-List Email Forum -[/b][/quote] >[/b][/quote] :p>[/b][/quote] /o:p>[/b][/quote] tor?RV10-List">http://www.matronics.com/Navigator?RV10-List[/b][/quote] ==============[/b][/quote] nbsp; - MATRONICS WEB FORUMS -[/b][/quote] :p>[/b][/quote] tp://forums.matronics.com[/b][/quote] ==============[/b][/quote] nbsp; - List Contribution Web Site -[/b][/quote] e> bsp; -Matt Dralle, List Admin.[/b][/quote] bution">http://www.matronics.com/contribution[/b][/quote] ==============[/b] [b]
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