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  #41  
Old 06-11-2020, 02:46 PM
DHeal DHeal is offline
 
Join Date: Sep 2006
Location: Windsor, California
Posts: 920
Default

Lots of info re: mushroom-style oil pressure regulator at:

https://www.rotax-owner.com/en/912-9...m-valve-piston
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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)!
VAF donation through June 2021.
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  #42  
Old 06-11-2020, 03:04 PM
Wolfgang Wolfgang is offline
 
Join Date: Dec 2018
Location: salida, co
Posts: 23
Default The "once-every-hundred-tries" landing

I flew this morning for the last time prior to seriously starting my annual condition inspection. It was a perfect flight, dead-smooth air, no traffic, no wind, and the airport all to myself.

The landing - no squeak, no bump, no noise, nothing except the realization that the plane is rolling along on the blacktop.

The memory of that perfect landing keeps me doing the best I can during the inspection work.

A very good day.
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  #43  
Old 06-11-2020, 03:05 PM
jrtens's Avatar
jrtens jrtens is offline
 
Join Date: Apr 2018
Location: Utah
Posts: 96
Default

Quote:
Originally Posted by Cammie Patch View Post

I would eliminate the carbs in a heartbeat if I could.
When are you getting your new 12iS?
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12iS SLSA
Salt Lake Int'l
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  #44  
Old 06-11-2020, 05:52 PM
NinerBikes NinerBikes is offline
 
Join Date: Dec 2018
Location: Granada Hills
Posts: 810
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Quote:
Originally Posted by Cammie Patch View Post
Yes the -12s are running pretty well. We have put about 1000 hours on them in the last 1.5 years or so. The magnetic plugs are very clean.

One of them has apparently vapor locked on the take off roll a few times, and i am attributing that to a winter blend fuel. We use a non-ethanol 91 oct fuel, and even though the supplier swears there is no difference throughout the year, we had problems in the spring, which went away when we began mixing about 10%-20% avgas in.
The other one has a periodic drop in oil pressure that remained when the probes were swapped between planes. No other indications show a problem, and I am replacing the oil regulator spring and ball bearing (to the mushroom style).

Students love these planes. I do too, but I'm tired of all the SBs!
We also have a C172 and a Piper Archer on the line, I much prefer the maintenance on the RVs.

I would eliminate the carbs in a heartbeat if I could.

Van's suggests smaller fuel purchases per month, in the slow months with not so nice weather for flying. Strive for 1x per month fuel turnover.
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