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09-18-2011, 05:13 PM
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Join Date: Mar 2007
Location: Livermore, CA
Posts: 167
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My attempt at a plenum
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Chris
RV-8 Wings
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09-18-2011, 05:30 PM
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Join Date: Dec 2008
Location: na
Posts: 1,457
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very well done
Chris - honestly I don't think you can say "attempt" at all. You solution looks absolutely superb. Very nice.
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09-18-2011, 06:07 PM
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Join Date: Aug 2007
Location: Wichita Falls, TX
Posts: 2,182
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Neal Howard
Airplaneless once again...
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09-18-2011, 08:33 PM
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Join Date: Jun 2005
Posts: 375
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Very nice work!
The only potential gotcha I see is the amount of air you're stealing at the back of #3. I think you'll find your oil is going to run pretty cool with that monster cooler. I have Van's standard cooler with a 4" SCAT in the same location as you do, and a 2" scat for cabin heat is taken off of my #4 baffle.
My #3 CHT wanted to run hot while my oil was on the cool side. I ended up blocking about 50% of the area of the inlet with perforated aluminum. Oil temp went up 10 deg (to where it should be), and CHT went down by 25 deg.
I'm sure you have more air to work with than me, but something to think about anyway.
Paige
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09-18-2011, 08:37 PM
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Join Date: May 2007
Location: Inver Grove Hgts, MN
Posts: 329
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Very nice. The transition to the stock cowl inlets (vs. the Sam James "rings") is especially well done.
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Mike Hilger
RV-6 N207AM w/G3X, 1,600 hours +
South St. Paul, MN (KSGS)
A&P, EAA Tech Counselor
We're all here because we're not all there...
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09-18-2011, 08:40 PM
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Join Date: Jan 2005
Location: Chandler, AZ
Posts: 2,904
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Very nice!!
Chris,
Very Very nice work. Did you lay up the top from the top of the cowl?
What cooler did you use and did you make the plenum for the oil cooler?
The only thing I see that could be an issue is the inlets being aluminum and mating with the glass. The engine moves and the cowl is fixed. Any insulator between the cowl and inlets?
Again, great work!!!
__________________
Darwin N. Barrie
Chandler AZ
www.JDair.com
RV-7 N717EE-Flying (Sold)
RV-7 N717AZ Flying, in paint
EMS Bell 407,
Eurocopter 350 A-Star Driver
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09-18-2011, 08:42 PM
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Join Date: Jun 2008
Location: Charlottesville, VA
Posts: 801
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You could go in business selling that! I'll be your first customer 
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Jim Shannon
RV-8 N52VV
Charlottesville, VA
AFS 4500 EFIS & 3400 EFIS/EM
G430W - SL30 - G327 - G696 - G240
TT DigiFlight II VSVG w/pitch autotrim
VP-X Pro
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09-18-2011, 09:24 PM
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Join Date: Mar 2007
Location: Corvallis Oregon.
Posts: 680
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Uhh Would you come do my plenum? Is that a brushed firewall I see?
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09-18-2011, 09:34 PM
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Join Date: Nov 2008
Location: Olympia,WA
Posts: 210
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__________________
Arnie Barros
VAF #1401
(N89269) reserved
"Seek to understand before trying to be understood"
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09-19-2011, 12:07 AM
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Join Date: Nov 2005
Location: KRTS
Posts: 1,798
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Wow. That's a **** of an "attempt"
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Next?, TBD
IAR-823, SOLD
RV-8, SOLD
RV-7, SOLD
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