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11-20-2014, 10:41 AM
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Join Date: Mar 2009
Location: Grand Rapids, MI
Posts: 1,004
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temporary oil cooler restrictor plate?
Ok, I should have done somthing about this during my last annual or at least when it was warmer outside but then again who thinks of this stuff when it's warmer outside? I want to install a temporary oil cooler restrictor plate. has anyone done this and are there any photos? I am heading to the airport to pull the cowl to see what can be done and then ordering or making a shutter system for perminate use later. But for now, I really need to get the oil temps up.
My ride back from lunch a few minutes ago. This is what we are dealing!

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Paul K
West Michigan
Unfortunately in science, what you believe is irrelevant.
2020 donation made, exempt but worth every dime!
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11-20-2014, 10:58 AM
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Join Date: Mar 2008
Location: Seattle
Posts: 1,412
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The oil cooler air flow can be restricted with a simple piece of cardboard and or tape for trial flights in the pattern, then when you have the size you want, make one from aluminum sheet. It could be bolted in, taped in, or perhaps you can figure out a way to make it so it holds itself in place by being springy. Try not to damage the fragile cooler fins while you are working in there. Also, make sure it won't get loose and flutter around.
Consider a roll of aluminum tape, handy for sealing baffles etc. that might be good for temporary or trial air control.
I probably should mention to use preheat during cold weather, but you already know that.
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Scott Emery
http://gallery.eaa326.org/v/members/semery/
EAA 668340, chapter 326 & IAC chapter 67
RV-8 N89SE first flight 12/26/2013
Yak55M, and the wife has an RV-4
There is nothing-absolute nothing-half so much worth doing as simply messing around with Aeroplanes
(with apologies to Ratty)
2019
Last edited by SHIPCHIEF : 11-20-2014 at 11:07 AM.
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11-20-2014, 11:01 AM
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Join Date: Dec 2004
Location: Gold Hill, NC25
Posts: 2,400
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I use simple aluminum speed tape. Simple. Easy on and off. Also useful for many other things. I block about 70% of mine.
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Kahuna
6A, S8 ,
Gold Hill, NC25
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11-20-2014, 11:06 AM
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Join Date: Mar 2009
Location: Grand Rapids, MI
Posts: 1,004
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Aluminum speed tape? I'll look for some of that.
Thanks,
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Paul K
West Michigan
Unfortunately in science, what you believe is irrelevant.
2020 donation made, exempt but worth every dime!
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11-20-2014, 11:23 AM
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Join Date: Aug 2007
Location: Wichita Falls, TX
Posts: 2,182
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Gorilla tape works good too, and doesn't crack into tiny pieces that get stuck in the oil cooler fins like aluminum foil tape does after it's been exposed to enough vibration over time.
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Neal Howard
Airplaneless once again...
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11-20-2014, 11:31 AM
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Join Date: Oct 2007
Location: Sacramento, CA
Posts: 3,351
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Or you might just want to buy the oil cooler shutter which will be good for this season, next and the next after that and each time you won't have to take the top cowl off to change it.
I use mine even in summer time if I need to raise the oil temp a bit at higher altitude.
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Mehrdad
N825SM RV7A - IO360M1B - SOLD
N825MS RV14A - IO390 - Flying
Dues paid
Last edited by Rosie : 11-21-2014 at 08:22 AM.
Reason: Added hyperlink
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11-20-2014, 12:25 PM
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Join Date: Nov 2005
Location: Asheville, NC
Posts: 2,692
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Look for aluminum tape at a hardware store or DIY box store. It might be located in the heating and ventilation section since it is used for ducting joints. It is 2" wide by very thin aluminum with adhesive backing on a paper liner. Peel the paper liner way and stick to the face of the oil cooler.
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Bill Pendergrass
ME/AE '82
RV-7A: Flying since April 15, 2012. 850 hrs
YIO-360-M1B, mags, CS, GRT EX and WS H1s & A/P, Navworx
Unpainted, polished....kinda'... Eyeballin' vinyl really hard.
Yeah. The boss got a Silhouette Cameo 4 Xmas 2019.
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11-22-2014, 04:43 PM
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Join Date: Jan 2007
Location: fort myers fl
Posts: 949
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just a heads up, I do not work with that stuff (and we use a lot of it during RENO) without wearing gloves, its thin and can be very sharp!
bob burns
RV-4
N82RB
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11-22-2014, 05:02 PM
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Join Date: Mar 2005
Location: Dallas area
Posts: 10,768
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THIS...........
Quote:
Originally Posted by Paul K
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is why I live in Texas!
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Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
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11-22-2014, 05:12 PM
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Join Date: Oct 2008
Location: Utah
Posts: 8,151
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Aluminum tape
My engine is cold blooded and I start "winterizing" oil cooler early.
October needs just a little strip. November asks for 50% blockage to keep oil in the green.
In December I block all inner wall of oil cooler. I have a plenum and a larger cooler and can barely keep oil temps around 170F.
In January/Feb I completely block both sides of the oil cooler. One side wasn't enough to keep oil warm. It really helps.
Then sometime in March the procedure gets reversed. Tape peels off little by little every time during oil changes. 
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