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  #1  
Old 08-26-2018, 02:31 PM
Walt's Avatar
Walt Walt is offline
 
Join Date: Aug 2005
Location: Dallas/Ft Worth, TX
Posts: 5,269
Default Which oil cooler for RV7A, 370 high comp, squirters?

New engine, new cooler, Texas heat, which would/did you choose?

AERO CLASSIC OIL COOLER HE 8001649 , 11 row
Part #: 08-07432
Mfr Part #: 8001649
$679

2006X AIRFLOW OIL COOLER EXPMT , 13 row
Part #: 08-06154
Mfr Part #: 2006X
$562.00/ea


10611R MEGGITT TROY OIL COOLER , 11 row
Part #: 10611R
Mfr Part #: 10611R
$917.00/ea
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Walt Aronow, DFW, TX (52F)

EXP Aircraft Services LLC
Specializing in RV Condition Inspections, Maintenance, Avionics Upgrades
Dynamic Prop Balancing, Pitot-Static Altmeter/Transponder Certification
FAA Certified Repair Station, AP/IA/FCC GROL, EAA Technical Counselor
Authorized Garmin G3X Dealer/Installer
RV7A built 2004, 1700+ hrs, New Titan IO-370, Bendix Mags
Website: ExpAircraft.com, Email: walt@expaircraft.com, Cell: 972-746-5154

Last edited by Walt : 08-26-2018 at 02:43 PM.
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  #2  
Old 08-26-2018, 02:55 PM
Aggie78 Aggie78 is offline
 
Join Date: May 2014
Location: Fort Worth, Texas
Posts: 410
Default

Walt,

I don't know the answer for your specific question, but when I flew with Alex De Dominicis a few years back, I'm pretty sure his RV-7 was equipped with two separate 9-row oil coolers.

He wanted to make sure things stayed cool enough with all the low altitude work in that aforementioned Texas heat as well as dealing with the extra load/heat an air conditioning-equipped RV engine would be doing.

Two coolers may not be an option for you (hence your question) but I will say Alex's system seemed to work extremely well...

Rob
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  #3  
Old 08-26-2018, 04:31 PM
gfb gfb is offline
 
Join Date: Jul 2014
Location: Madison, WI
Posts: 570
Default

I'm guessing this is the Titan 370. Check with them on their recommendation. My 340 does not have the squirters and does fine with the stock 9-row but I understand the squirters move a LOT of the piston heat to the oil so need much more cooling.

As I said, call Titan, they will know what's worked best in the past.
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  #4  
Old 08-26-2018, 05:36 PM
TS Flightlines TS Flightlines is offline
 
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Location: Ridgeland, SC
Posts: 2,323
Default

Hey Walt---the 2006X is the cooler use on the RV14---with a IO390. I havent heard of temp issues on the 14s. Might be a good choice.

Tom
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Joint Venture with Aircraft Specialty
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  #5  
Old 08-26-2018, 08:03 PM
elev666 elev666 is offline
 
Join Date: Feb 2013
Location: Kincardine Ont,Can
Posts: 104
Default Try Chief Aircraft

Iím working with the same engine here Walt,I know you have lots of extreamly hot days down there and canít comment on what work best , Iíve decided Iím going to try the 20006 13 row from chief aircraft supply , there web price was $349 last week, I must say my low Canadian $ has made me a bit of a thrifty shopper !
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  #6  
Old 08-27-2018, 08:02 AM
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airguy airguy is offline
 
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Location: Garden City, Tx
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Baffle or firewall mount?

I'm running the Aero-Classic 11-row on my firewall, parallel-valve IO360 with squirters. It's adequate, but only just, at lower altitudes. Above about 8000' cruise it's perfect.
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N16GN flying 450 hrs and counting! Built an off-plan 9A with too much fuel and too much HP. Should drop dead any minute now.
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  #7  
Old 08-29-2018, 07:39 PM
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Walt Walt is offline
 
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Location: Dallas/Ft Worth, TX
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Quote:
Originally Posted by airguy View Post
Baffle or firewall mount?

I'm running the Aero-Classic 11-row on my firewall, parallel-valve IO360 with squirters. It's adequate, but only just, at lower altitudes. Above about 8000' cruise it's perfect.
Which aero classic PN are you running? They make the standard and the HE models. This will be a firewall mount.
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Walt Aronow, DFW, TX (52F)

EXP Aircraft Services LLC
Specializing in RV Condition Inspections, Maintenance, Avionics Upgrades
Dynamic Prop Balancing, Pitot-Static Altmeter/Transponder Certification
FAA Certified Repair Station, AP/IA/FCC GROL, EAA Technical Counselor
Authorized Garmin G3X Dealer/Installer
RV7A built 2004, 1700+ hrs, New Titan IO-370, Bendix Mags
Website: ExpAircraft.com, Email: walt@expaircraft.com, Cell: 972-746-5154
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  #8  
Old 08-30-2018, 09:01 AM
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airguy airguy is offline
 
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Quote:
Originally Posted by Walt View Post
Which aero classic PN are you running? They make the standard and the HE models. This will be a firewall mount.
Sorry Walt - my memory proved faulty - it's the 10 row model 8000081 AeroClassic (standard, not HE) that I'm using, on the firewall.

On an extended max performance climb in full summertime afternoon heat, I'll see oil temps as high as 225 but they'll drop to 180-190 as soon as I level out in cruise.
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Greg Niehues - PPSEL, IFR, Repairman Cert.
Garden City, TX VAF 2019 dues paid
N16GN flying 450 hrs and counting! Built an off-plan 9A with too much fuel and too much HP. Should drop dead any minute now.
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  #9  
Old 08-30-2018, 10:01 AM
TX7A TX7A is offline
 
Join Date: Feb 2005
Location: Abilene, TX
Posts: 699
Default Oil Cooler

Hi Walt

Here in Abilene, I was running high temps on my O-360 with oil squirters and a firewall mounted SW8406R cooler. (220-230F) I have a 4" SCAT above #4 to a fiberglass plenum that I made and is a reasonably smooth transition. (You may remember me calling you looking for ideas to get the temps down.)

I eventually decided to get a SW10611R after deciphering as much as I could from the forum. I called Pacific Oil Cooler to get some pricing info. I told the guy at Pacific what I had going on with my current setup. He thought that I would be very happy with their 'equivalent' HE cooler. It was also considerably less expensive than a pure-bred Stewart Warner. I got it and fabricated a bigger plenum to fit and installed it.
I have been very happy with it. My temps on a hot day (90-95+F) run around 190-195ish on a climb. It will top 200-210 if I push it. But I'm now usually more concerned about CHTs than oil temp. After level-off ~75F OAT, it'll settle in around 185 or so.
I haven't been out in any "really cold" air yet to see if oil temp is too cool. Slim chance of that in Texas.
Pacific's P/N is 8001649. I'm sending a couple of pics to your email.
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  #10  
Old 08-30-2018, 11:26 AM
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Roy Thoma Roy Thoma is offline
 
Join Date: Aug 2011
Location: Hillsboro, OR
Posts: 117
Default Standard RF-10 parts

Walt,

I used the standard RV-10 oil cooler and firewall mount. 4" scat tube from the back of #4 cylinder suppling the air for the oil cooler. My oil temp is generally too low and I have restricted the amount of air to the cooler with 200mph tape.


My engine is a Lycon built parallel valve IO-360, 10:1 pistons, piston squirters, roller cam, flowed heads.

Regards,
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N174RT (RV-7A) first flight 5/31/11, 1585hrs as of June 2018:
Tip-up, Lycon IO-360 EXP, WW 74HRT, AFS 5600T, AF-Pilot, IFD440, SL-30, echoUAT, D100 for backup, CQ1 headsets

Our other riveted aluminum monocoque RV is a 25í Airstream

Past aluminum monocoque vehicles:
N601RT (CH601HDS) First flight 5/03, 1550hrs after flying 8 years: 912ULS, GNS430W, SL-30, D10A Sold
1995 Midnight Pearl NSX w/BBSC Sold

EAA Chapter 105 board member 2010->2015
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