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12-03-2015, 05:43 AM
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Join Date: Nov 2014
Location: Hinckley, Ohio
Posts: 2,065
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Another question regarding winter operations... how do you block off part of the oil cooler and what oil temp do you try to achieve?
__________________
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Jim Stricker
EAA #499867
PPL/ASEL 1970 - Sport Pilot since 2007
80 hrs Flying Aeronca Chief 11AC N86203
1130 hrs Flying 46 Piper J-3 Cub N6841H
Bought Flying RV-12 #120058 Oct 2015 with 48TT - Hobbs now 622 
LSRM-A Certificate 2016 for RV-12 N633CM
Special Thanks... EJ Trucks - USN Crew Chief A-4 Skyhawk
MJ Stricker (Father & CFI) - USAAF 1st Lt. Captain B-17H
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12-03-2015, 06:22 AM
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Join Date: Nov 2008
Location: Gloversville, NY
Posts: 1,587
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Quote:
Originally Posted by Piper J3
Another question regarding winter operations... how do you block off part of the oil cooler and what oil temp do you try to achieve?
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It is easy to make an aluminum cover plate to block 1/2 of the cooler area, and secure it with the two mounting bolts. Watch your temps on climbout on warmer days, and if necessary climb at shallower angle and/or reduced power to keep the oil temp out of the red.
The much better solition, is to install an oil thermostat, such as the one offerred by Aircraft Specialties. Then you needn't worry about oil temps, and your warmup to 122F will be way shorter. Lots of previous threads on this.
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John Peck, CFII, A&P, EAA Tech Counselor, Flight Advisor.
?Master Pilot? Award, UFO Member.
RV-12 N37JP 120176 Flying since 2012.
One Week Wonder Build Team, OSH 2018.
VAF paid through 10/2019.
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12-03-2015, 06:51 AM
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Join Date: Nov 2007
Location: Jesup, Iowa
Posts: 1,657
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Just a comment - -
As advertised, the Thermostasis oil therm will pay for itself with gas savings. Even in warmer weather, it warms up faster. No sitting and burning gas while waiting to warm up. You don't have to do anything. Whether winter or summer, it warms up faster. The type auto stores sell ( designed for trans cooling ) do not work as well.
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John Bender
Flying RV-12 - Serial #120036
Paid in May ( 5-2020 )
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12-03-2015, 09:17 AM
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Join Date: Oct 2012
Location: New Ulm, Minnesota
Posts: 283
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Radiator Blocking
I made an aluminum cover to fit over the entire oil cooler. The aluminum plate is riveted to a piano hinge and connected to a cable so I can open it or close it in flight.
I'm thinking on making the same thing for the incoming cooling air for the engine because when it is below zero Fahrenheit the engine only gets up to about 125 degrees.
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Robin Mckee
New Ulm, MN 56073
RV3b N219BB
420 hours and counting
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12-04-2015, 09:39 AM
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Join Date: Oct 2010
Location: Berlin, Germany
Posts: 46
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Oil shutter
Have you seen this one?
https://www.vansaircraft.com/cgi-bin...ct=oil_shutter
It works perfect in our RV9. With the handle inside your cockpit you are in the position to manage your oiltemp precisely.

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Pit
flying RV9a 
a father & son project
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12-04-2015, 10:12 AM
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Join Date: Nov 2014
Location: Hinckley, Ohio
Posts: 2,065
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Quote:
Originally Posted by Selma
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That's looks like a real good solution. I need to know if it will fit on the RV-12 oil cooler. Does it close off completely? Looks like it remains partially open probably for safety.
__________________
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Jim Stricker
EAA #499867
PPL/ASEL 1970 - Sport Pilot since 2007
80 hrs Flying Aeronca Chief 11AC N86203
1130 hrs Flying 46 Piper J-3 Cub N6841H
Bought Flying RV-12 #120058 Oct 2015 with 48TT - Hobbs now 622 
LSRM-A Certificate 2016 for RV-12 N633CM
Special Thanks... EJ Trucks - USN Crew Chief A-4 Skyhawk
MJ Stricker (Father & CFI) - USAAF 1st Lt. Captain B-17H
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12-04-2015, 10:24 AM
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Join Date: Oct 2010
Location: Berlin, Germany
Posts: 46
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That's looks like a real good solution. I need to know if it will fit on the RV-12 oil cooler. Does it close off completely? Looks like it remains partially open probably for safety.
It is, indeed. It closes off 100%, if you want. Check it out with Van's !
__________________
Pit
flying RV9a 
a father & son project
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12-04-2015, 01:51 PM
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Join Date: Nov 2014
Location: Hinckley, Ohio
Posts: 2,065
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I may actually do this sooner than later. I flew the RV-12 today with 36F OAT and oil is just shy of 160F with engine at sustained 5100rpm.
__________________
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Jim Stricker
EAA #499867
PPL/ASEL 1970 - Sport Pilot since 2007
80 hrs Flying Aeronca Chief 11AC N86203
1130 hrs Flying 46 Piper J-3 Cub N6841H
Bought Flying RV-12 #120058 Oct 2015 with 48TT - Hobbs now 622 
LSRM-A Certificate 2016 for RV-12 N633CM
Special Thanks... EJ Trucks - USN Crew Chief A-4 Skyhawk
MJ Stricker (Father & CFI) - USAAF 1st Lt. Captain B-17H
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12-04-2015, 02:45 PM
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Join Date: Jul 2011
Location: Ellsworth, ME
Posts: 842
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Quote:
Originally Posted by Piper J3
That's looks like a real good solution. I need to know if it will fit on the RV-12 oil cooler. Does it close off completely? Looks like it remains partially open probably for safety.
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I installed mine when I lived in PA and now live in Maine and fly well below zero most of the winter. I can keep my temps up to 220.
Slight mod to make it larger to fit over the oil cooler.
Fully adjustable in the cabin in flight
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12-04-2015, 03:04 PM
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Join Date: Oct 2010
Location: Elkton, Md.
Posts: 1,652
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Are you home now Governor?
__________________
Wag Aero Sport Trainer built,sold and wrecked
N588DF RV12 #336 built, sold and alive and well in New York
N73DF RV12 #244 built, sold and alive and well in Florida
N91 RV RV9 I wish I could say I built this one! Mark Santoleri hit the ball out of the park on this gem.
Currently restoring a 1978 Citabria GCBC
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