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08-27-2018, 09:44 AM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,035
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Quote:
Originally Posted by pstraub
If you are wondering about the spark plugs, here is a before and after pic of cylinder 1, lower plug. This is pretty much indicative of all 8 plugs. The before is after 70 hours of premium unleaded auto fuel (Chevron Supreme) and the 'after' is after the last 40 hours burning 100LL. Yikes!!

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One thing that has an influence on the lead contamination problem on spark plugs is power setting.
Cruising at lower RPM makes the problem worse than cruising at up near 5500 RPM
__________________
Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.
Scott McDaniels
Van's Aircraft Engineering Prototype Shop Manager
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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08-27-2018, 11:29 AM
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Join Date: Nov 2015
Location: Hensley Airpark, TN
Posts: 143
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Quote:
Originally Posted by rvbuilder2002
One thing that has an influence on the lead contamination problem on spark plugs is power setting.
Cruising at lower RPM makes the problem worse than cruising at up near 5500 RPM
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Thanks Scott, good info, I will try to use higher power settings when running the 100LL! I wanted to introduce myself at OSH but with OWW, you were always super busy. I went to the Van's banquet, but didn't want to disturb you. Hopefully say hello in Aurora some day, or at OSH next year!
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Paul Straub, First Flight May 5, 2017
N917PB, SN 120971
175 hours and counting.....
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08-27-2018, 01:01 PM
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Join Date: Jul 2018
Location: Redmond
Posts: 3
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Excellent report. Thank you for your insight.
This year was my first year to Osh in an RV-6 with an O-360.
Coming from Seattle, we got a little better TAS but your burn was incredible.
flying over the mountains and exploring our way across the Dakota's and Minnesota was incredible as we got to see country I've never seen before.
Congratulations on such incredible numbers in your 12. Thanks for sharing.
. 
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I'll not hang from the sky in a Cessna, I will slice through the air in an RV. - Wife -
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08-27-2018, 01:03 PM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,035
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Quote:
Originally Posted by pstraub
I wanted to introduce myself at OSH but with OWW, you were always super busy. I went to the Van's banquet, but didn't want to disturb you. Hopefully say hello in Aurora some day, or at OSH next year!
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You mean there were other people there?
I never even noticed......... 
__________________
Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.
Scott McDaniels
Van's Aircraft Engineering Prototype Shop Manager
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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08-27-2018, 01:29 PM
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Join Date: Jan 2016
Location: Southwest
Posts: 1,119
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Quote:
Originally Posted by rvbuilder2002
One thing that has an influence on the lead contamination problem on spark plugs is power setting.
Cruising at lower RPM makes the problem worse than cruising at up near 5500 RPM
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WAiting for unleaded avgas. Also want to use Full syn oil. Just waiting.
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John S
WARNING! Information presented in this post is my opinion. All users of info have sole responsibility for determining accuracy or suitability for their use.
Dues paid 2020, worth every penny
RV9A- Status:
Tail 98% done
Wings 98% done
Fuselage Kit 98% done
Finishing Kit 35% canopy done for now
Electrical 5% in work
Firewall Forward 5% in work
www.pilotjohnsrv9.blogspot.com
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08-27-2018, 03:23 PM
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Join Date: Aug 2013
Location: FL & NC
Posts: 159
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Hi Paul,
Thanks for putting this fun video together.
The more posts and videos I see lately on the RV-12 have me thinking that it is not just an inexpensive-Operating plane for fun/quick weekend flights, but it is also a pretty capable cross country machine.
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08-27-2018, 03:25 PM
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Join Date: Jan 2011
Location: Ohio
Posts: 45
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Great write-up and video. It was a pleasure to meet you and Gary at the Gallagher social.
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Blue Skies & Grateful Thanks,
Jeff
November Seven Victor Quebec
166 hours
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08-27-2018, 06:03 PM
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Join Date: Nov 2015
Location: Hensley Airpark, TN
Posts: 143
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I just want to thank everyone for the very nice comments. It was really fun to see what our collective RV-12 can really do. I tend not to think of it as 'Light-Sport' anymore, it's a very capable 2-place GA airplane and it holds up very well in the low end of the Cessna/Cherokee crowd (especially when you start talking fuel burn!!) 
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Paul Straub, First Flight May 5, 2017
N917PB, SN 120971
175 hours and counting.....
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08-27-2018, 08:57 PM
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Join Date: Dec 2017
Location: Chicago C77
Posts: 32
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Thanks for the post, paint job is beautiful!
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08-28-2018, 07:00 AM
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Join Date: Jun 2008
Location: Kalamazoo, MI
Posts: 263
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Paul,
Great post and nice experience. With nearly 1000 hours on my Rotax 914 in my Europa, two comments come to mind:
After using 100LL, change not only oil and filter, but open the oil tank and clean it thoroughly. You'll be shocked at how much lead is deposited there.
Avoid 100LL!! It's been more than 5 years since I used 100LL! Use the website FlyUnleaded, http://www.flyunleaded.com/mapusairports.html
to find airports with Mogas (and send updates to flyunleaded to keep it up to date). AirNav also has some Mogas listings (and they accept updates too) and Swift lists the airports with their product on their website. We carry gas bags on board to enable us to purchase Mogas and take it to our Europa. When we can't find an airport with Mogas, we look for one near a major highway that has a courtesy car.
Jim Butcher
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