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11-04-2015, 08:15 AM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,026
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Quote:
Originally Posted by WingedFrog
I have all my Rotax maintenance done by a Rotax certified AN&P (to avoid any warranty dispute and for my own safety too  ). I noticed that when he changes oil he always takes the oil tank to his shop where he drains and cleans it. If this is the right way to change oil for a 912 installing a Drain Valve may not be that useful.
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This is only required if using 100LL more than 30% of the time.
If someone is using unleaded fuel nearly 100%, then it is not necessary.
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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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11-04-2015, 08:22 AM
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Join Date: Sep 2006
Location: Windsor, California
Posts: 920
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I installed a Curtis-style quick drain on my RV-12. No fit problems and it is simple to attach a short drain hose and open the drain valve.
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David Heal - Windsor, CA (near Santa Rosa)
EAA #23982 (circa 1965) - EAA Technical Counselor and Flight Advisor; CFI - A&I
RV-12 E-LSA #120496 (SV w/ AP and ADS-B 2020) - N124DH flying since March 2014 - 940+ hours (as of September 2020)! 
V AF donation through June 2021.
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11-04-2015, 09:26 AM
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Join Date: Apr 2014
Location: Deltona, FL
Posts: 34
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Safe air has a fitting that lowers the valve to allow it to open with the domed tray. I have it installed in my Rans S19. Makes it easier to drain the oil and even keeps it neater if you are going to remove the tank for cleaning.
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11-04-2015, 09:34 AM
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Banned
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Join Date: Apr 2015
Location: Altha, FL.
Posts: 114
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Some aircraft oil tank installs leave no option to access the oil tank drain plug so they do remove the tank to dump the oil which is perfectly acceptable.
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11-04-2015, 09:49 AM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,026
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Quote:
Originally Posted by Sink
Some aircraft oil tank installs leave no option to access the oil tank drain plug so they do remove the tank to dump the oil which is perfectly acceptable.
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There is no access issues at all with the oil tank on the RV-12 so not relevant here in this forum.
__________________
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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11-04-2015, 09:57 AM
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Banned
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Join Date: Apr 2015
Location: Altha, FL.
Posts: 114
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The funnel idea I mentioned above I got from one of your RV12 users, works well and seems to keep everything clean. I forgot who told me about that idea.
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11-04-2015, 10:40 AM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,026
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Quote:
Originally Posted by Sink
The funnel idea I mentioned above I got from one of your RV12 users, works well and seems to keep everything clean. I forgot who told me about that idea.
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I guess they do their oil changes out in the open with the wind blowing?
I have never had any problem with oil getting on anything while draining the RV-12 oil tank, and would prefer to not have one more tool to clean up afterwards.....
__________________
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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11-04-2015, 03:22 PM
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Join Date: Oct 2010
Location: Elkton, Md.
Posts: 1,650
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Lockwood sells the fitting you need if you have the newer tank. It works great.
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Wag Aero Sport Trainer built,sold and wrecked
N588DF RV12 #336 built, sold and alive and well in New York
N73DF RV12 #244 built, sold and alive and well in Florida
N91 RV RV9 I wish I could say I built this one! Mark Santoleri hit the ball out of the park on this gem.
Currently restoring a 1978 Citabria GCBC
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11-04-2015, 06:49 PM
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Join Date: Oct 2010
Location: Phoenix, AZ
Posts: 2,818
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I do my oil changes in the hangar, so no wind. I do see some oil draining on the firewall flange. I just put in the Curtis drain valve, and I am looking forward to a cleaner drain next time.
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