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01-08-2011, 11:46 AM
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Join Date: Jan 2008
Location: Ashland, OR
Posts: 2,574
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LIke Sheldon's except...
I installed my butterfly valve at the rear baffle flange rather than at the cooler. I have a 3.5" scat to a firewall mounted 13-row cooler with a wedge plenum similar to Van's RV-10 firewall cooler mount, but at a steeper angle to fit near the RV-8 engine mount tubes.
__________________
Steve Smith
Aeronautical Engineer
RV-8 N825RV
IO-360 A1A
WW 200RV
"The Magic Carpet"
Hobbs 625
LS6-15/18W sailplane SOLD
bought my old LS6-A back!! 
VAF donation Jan 2020
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01-08-2011, 02:42 PM
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Join Date: Aug 2007
Location: Wichita Falls, TX
Posts: 2,182
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Good results so far...
I flew for a half hour yesterday late afternoon, and for also an hour and a quarter this morning, and was able to get the oil up to 200 with OAT in the low 40's today. I left the door completely shut for startup, takeoff and climb, and then by the time I was up to 5500 MSL the oil was up to 200. Opening the door just a wee bit, brought the oil back down to 185 where it stayed for the rest of my flight even after the OAT warmed up to the low 50's. I'm pretty pleased with the performance of my oil cooler door... it's going to be a really useful feature for cold weather flying.
Next we need to stuff a stainless steel potscrubber into cabin heat exhaust muff to get the cabin heat working a little better... and do something about the cold air leaking in under the rear canopy skirt so the rear seat pax doesn't freeze his neck off 
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Neal Howard
Airplaneless once again...
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01-08-2011, 06:44 PM
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Join Date: Oct 2009
Location: Broken Arrow OK
Posts: 183
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Very Similar
I made a door that looks almost identical. Lined it with orange baffle material for a better seal. I ran another vernier cable through the firewall however for control instead of a servo. As you noticed, a small bit of opening is almost like no door at all.
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01-09-2011, 10:36 PM
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Join Date: Sep 2006
Location: Douglas Flat, CA
Posts: 589
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Quote:
Originally Posted by scsmith
I installed my butterfly valve at the rear baffle flange rather than at the cooler. I have a 3.5" scat to a firewall mounted 13-row cooler with a wedge plenum similar to Van's RV-10 firewall cooler mount, but at a steeper angle to fit near the RV-8 engine mount tubes.
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Here is a picture of Steve's oil cooler installation. Note the generous size of the plenum, an important factor in good airflow through the cooler. The butterfly is at the flange where the cooler's SCAT tubing meets the engine baffle. The arm that controls the butterfly is on the left end of its shaft; you can see the bowden cable that controls it coming up from below.
Thanks, Bob K.
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Bob Kuykendall
HP-24 kit sailplane
EAA Technical Counselor
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01-10-2011, 06:48 AM
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Join Date: Jan 2005
Location: Cincinnati, OH
Posts: 1,558
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Quote:
The oil shutter from Van's ....needs washers for spacing. Otherwise, the shutter is pressed against the fins of the cooler. Once you've got that spacing, the shutter door operates very freely. On my initial installation, I ran into the same problem. BTW -- we're having good success around here, with the shutter setup.
L.Adamson --- RV6A
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The fins on a Stewart Warner are inset a little from the mounting flanges and wouldn't touch the oil shutter. However, on mine I made a 1/2" spacer between the cooler and baffle to help with cooling by holding the cooler away from the #4 cylinder a little - which did help - and that spacer was pressing against the shutter all the way around. I test flew my installation two days ago and took it on a shake down cruise to Michigan yesterday, and surprisingly, it works quite well. I can control my OT pretty precisely and have no trouble warming it up on a cold day (6 F). I didn't think I would be able to control it so well with such a short lever arm.
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SH
RV6/2001 built/sold 2005
RV8 Fastback/2008 built/sold 2015
RV4/bought 2016/sold/2017
RV8/2018 built/Sold(sadly)
RV4/bought 2019 Flying
Cincinnati, OH/KHAO
JAN2020
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01-13-2011, 09:11 PM
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Join Date: Apr 2007
Location: Cedar Hill, Tx.
Posts: 159
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This set up works real well for us. The oil temps are always consistent. I don't have any pics of the finished product but the duct touches the oil cooler separated by Van's oil cooler install kit and felt. If you needed to put on a door on it I would think Van's sliding door would work. The front of the duct needs to be far enough forward to catch the air. The only disappointment is the cowling is beginning to crack at the vertical area where it is attached in the back. You notice that the oil cooler is angled down and back so the air flows naturally out the cowl with out any ducting. Sorry the pic is on it's side. Im still a little green at this picture thing.
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member 1 of 6
Metal Feathers Club
RV 7 N706CB
1st flight Oct 18, 08
S/N 72847 tip 200HP CS glass IFR
Last edited by hudgin : 01-13-2011 at 09:21 PM.
Reason: Still learning how to install pics
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02-01-2018, 09:15 AM
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Join Date: Jan 2018
Location: Fairbanks AK
Posts: 1
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The shutter door is no longer available at Vans ! Do you know anyone that wants to sell theirs?
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02-01-2018, 09:18 AM
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Senior Curmudgeon
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Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 15,420
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Welcome to VAF
Jim, welcome aboard the good ship VAF 
__________________
Mike Starkey
VAF 909
Rv-10, N210LM.
Flying as of 12/4/2010
Phase 1 done, 2/4/2011 
Sold after 240+ wonderful hours of flight.
"Flying the airplane is more important than radioing your plight to a person on the ground incapable of understanding or doing anything about it."
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02-01-2018, 10:03 AM
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Join Date: Jul 2007
Location: Litchfield Park, AZ
Posts: 1,019
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Quote:
Originally Posted by reluctantmechanic
The shutter door is no longer available at Vans ! Do you know anyone that wants to sell theirs?
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Allan has a new shutter product engineered with van's as the model.
https://antisplataero.com/products/o...er-air-shutter

__________________
Carlos in Arizona
EAA Chapter 538 www.chapters.eaa.org/eaa538
Wittman Tailwind W8 N53CH (built & sold)
Pazmany PL-1 N2029 (bought & sold)
RV7 - N537TC (reserved & building)
Emp, Wings & Fuse done - working on FWF
"The air is an extremely dangerous, jealous and exacting mistress. Once under the spell most lovers are faithful to the end, which is not always old age." - Winston Churchill
Last edited by pazmanyflyer : 02-01-2018 at 10:06 AM.
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02-01-2018, 02:12 PM
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Join Date: Dec 2007
Location: Brigden Ontario Canada
Posts: 72
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A question. Does the vernatherm not inhibit oil from getting to the cooler until it reaches whatever temp that causes it to open?
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