The simplest solution is to take a sheet of aluminum and cut to cover a portion of your radiator, bend the sides to make a lip to hug the sides of the radiator and cut and bend a couple of tabs to hold position at top. If done carefully it will slide down between the radiator and seal with the bottom cowling on and keep a tight seal. You can then insert or remove with only the top cowling off. I also add a piece of aluminum duct tape on top just in case to hold it in position so it could not move out of position. I cover about 40% of my radiator.
Duct tape works for the front but once you know how much blockage cut a piece of aluminum the correct blockage and drill holes to match the oil cooler bolt location. I slotted one so you only need to remove one and loosen the other to either add or remove. I also painted black to match my radiator. Covering about 40% gave me about 190 degrees oil temperature today at freezing temperatures.
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Scott- 2020 donation
New RV-7A N579RV, only 80 hours now without 2020 fly-in destinations
Built RV-12, 328 hours-sold, purchased RV-12 sold, Built RV-9A, 536 hours-sold, Not completed RV-7 sold, Built Kitfox sold
Last edited by scottmillhouse : 12-10-2016 at 06:51 PM.
Reason: corrected text
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Cold in my Factory Built
Linear Mode
