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Search: Posts Made By: Cammie Patch
Forum: RV-12/RV-12iS Yesterday, 12:54 PM
Replies: 7
Views: 760
Posted By Cammie Patch
Those RPM drops are normal. At 4000, the engine...

Those RPM drops are normal. At 4000, the engine is at it's leanest position. In the summer you will get less RPM drop, since the combustion is happier. In the winter, it would prefer more fuel, thus...
Forum: RV-12/RV-12iS 09-22-2019, 08:32 PM
Replies: 27
Views: 5,405
Posted By Cammie Patch
I bought another SLSA RV12, and have seen the...

I bought another SLSA RV12, and have seen the same wear in the gearbox, but the magnetic plug is pretty clean. I shimmed it up and switched oil. Still has some vibration, so I may crack it open again...
Forum: RV-12/RV-12iS 09-22-2019, 08:30 PM
Replies: 25
Views: 2,198
Posted By Cammie Patch
The sweet spot for a 912 is 5200 RPM.

The sweet spot for a 912 is 5200 RPM.
Forum: RV-12/RV-12iS 08-01-2019, 05:39 PM
Replies: 9
Views: 1,226
Posted By Cammie Patch
I drilled a small hole in a flange on the...

I drilled a small hole in a flange on the firewall angles and put a tie wrap through the hole and over the end of the pin.
Forum: RV-12/RV-12iS 07-20-2019, 05:28 PM
Replies: 49
Views: 18,506
Posted By Cammie Patch
I don't like the math of a 3-bladed prop. It...

I don't like the math of a 3-bladed prop.
It increases my chances of hitting my head on it by 50%.
Forum: RV-12/RV-12iS 05-03-2019, 09:53 PM
Replies: 14
Views: 2,160
Posted By Cammie Patch
Please don't re-certify, the SLSAs are hard to...

Please don't re-certify, the SLSAs are hard to come by. Why not sell it to me and get a nice ELSA built by an A&P?
Forum: RV-12/RV-12iS 04-28-2019, 05:04 PM
Replies: 27
Views: 5,405
Posted By Cammie Patch
A little update

I just finished another 100 hour inspection on our RV12 (SLSA). We are putting about 70 hours a month on it.

About a month ago I ordered a new gear set and dog gear for the gearbox. If you remember,...
Forum: RV-12/RV-12iS 04-28-2019, 04:43 PM
Replies: 14
Views: 2,160
Posted By Cammie Patch
Depends. My first big job as an LSRM was a...

Depends.
My first big job as an LSRM was a rubber hose change on a CTSW. It took me five weeks! It was also an annual IIRC, and I wanted it to be perfect. I would spend all morning studying, then...
Forum: RV-12/RV-12iS 04-15-2019, 02:56 PM
Replies: 27
Views: 5,405
Posted By Cammie Patch
True about the avgas lead. We rarely need to use...

True about the avgas lead.
We rarely need to use avgas. Running about 60 hrs/month. I do 50 hour oil changes, and 100 hour inspections, but this is hobbs time. Flight time is actually 70% of hobbs,...
Forum: RV-12/RV-12iS 04-12-2019, 10:10 PM
Replies: 27
Views: 5,405
Posted By Cammie Patch
No yet, i've been so swamped with broken...

No yet, i've been so swamped with broken airplanes...
But, I did annual a Tecnam this week with a 914, and I could hear quite a bit of gearbox chatter around 2000 rpm. He has been using aeroshell...
Forum: RV-12/RV-12iS 04-03-2019, 11:18 AM
Replies: 27
Views: 5,405
Posted By Cammie Patch
Good ideas.

Good ideas.
Forum: RV-12/RV-12iS 04-02-2019, 09:05 AM
Replies: 27
Views: 5,405
Posted By Cammie Patch
Very. Original prop serial number.

Very. Original prop serial number.
Forum: RV-12/RV-12iS 04-01-2019, 04:24 PM
Replies: 27
Views: 5,405
Posted By Cammie Patch
That's interesting . I haven't seen a problem...

That's interesting . I haven't seen a problem with that bearing unless there was a prop strike. When that happens, it can bend the bolts that hold the bearing in place, and you may find cracks...
Forum: RV-12/RV-12iS 04-01-2019, 12:58 PM
Replies: 5
Views: 763
Posted By Cammie Patch
Adel clamps have taken a lot of verbal abuse over...

Adel clamps have taken a lot of verbal abuse over the years.
Needle nose vice grips are handy to have too.
Forum: RV-12/RV-12iS 04-01-2019, 11:24 AM
Replies: 27
Views: 5,405
Posted By Cammie Patch
Just for background, I am an A&P/IA Rotax tech,...

Just for background, I am an A&P/IA Rotax tech, Rotax heavy maintenance qualified, and have been working on Rotax 4 cylinder aircraft engine for about ten years. I've worked on gearboxes quite a bit....
Forum: RV-12/RV-12iS 04-01-2019, 07:58 AM
Replies: 27
Views: 5,405
Posted By Cammie Patch
Gearbox wear: Mobile 1 vs Aeroshell

I have an RV12 SLSA with 300+ hours on it. It has run Aeroshell Sport 4 since birth. I bought it at about 165 hours, and it has had quite a bit of vibration at low RPMs. At startup, I have to idle...
Showing results 1 to 16 of 16

 
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