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Search: Posts Made By: RFSchaller
Forum: RV-12/RV-12iS Yesterday, 08:54 PM
Replies: 5
Views: 369
Posted By RFSchaller
Dumb question from me: have you tried tightening...

Dumb question from me: have you tried tightening the clamps?
Forum: RV-12/RV-12iS 10-22-2021, 08:49 PM
Replies: 5
Views: 1,223
Posted By RFSchaller
I donít think there has ever been a ďperfectĒ...

I donít think there has ever been a ďperfectĒ airplane. Walk the line at your local airport and youíll see much worse.
Forum: RV-12/RV-12iS 10-19-2021, 09:03 PM
Replies: 22
Views: 1,970
Posted By RFSchaller
Tony, Unless my math is wrong it takes 1000...

Tony,

Unless my math is wrong it takes 1000 pounds in shear just to get a 1/4Ē bolt to deform. It would take 5 times that to get it to fail. Seems pretty robust.

Rich
Forum: RV-12/RV-12iS 10-18-2021, 10:35 PM
Replies: 22
Views: 1,970
Posted By RFSchaller
Tony, If material strength is the basis for the...

Tony,

If material strength is the basis for the concern about shearing a bolt on the horizontal stab attachment I donít understand why one would worry. Maybe there is something I am missing.

Rich
Forum: RV-12/RV-12iS 10-16-2021, 10:23 PM
Replies: 22
Views: 1,970
Posted By RFSchaller
Jerre, if you look at the yield stress of steel I...

Jerre, if you look at the yield stress of steel I think youíll sleep better at night.
Forum: RV-12/RV-12iS 10-15-2021, 09:52 PM
Replies: 2
Views: 585
Posted By RFSchaller
Arenít your gear legs painted? Granted I live in...

Arenít your gear legs painted? Granted I live in AZ where corrosion is not an issue, but I would think paint would protect the legs.
Forum: RV-12/RV-12iS 10-15-2021, 09:45 PM
Replies: 12
Views: 1,820
Posted By RFSchaller
I had a weeping carb bowl gasket and it looked...

I had a weeping carb bowl gasket and it looked like oil in the drip tray when I did my preflight inspection. AVGAS is less ambiguous leaving a blue stain.
Forum: RV-12/RV-12iS 10-15-2021, 09:41 PM
Replies: 22
Views: 1,970
Posted By RFSchaller
I move my RAV-12 around when I donít have my row...

I move my RAV-12 around when I donít have my row bar by pushing down on the fuselage forward of the vertical stab. I would never push down on the horizontal stabilizer. Think about the asymmetric...
Forum: RV-12/RV-12iS 10-13-2021, 12:08 PM
Replies: 5
Views: 704
Posted By RFSchaller
When I installed the cat whiskers for a VOR/ILS I...

When I installed the cat whiskers for a VOR/ILS I drilled out the blind rivets securing the fiberglass vertical stabilizer cap, mounted the whiskers on top and replaced the cap over the whiskers...
Forum: RV-12/RV-12iS 10-12-2021, 09:00 PM
Replies: 13
Views: 1,545
Posted By RFSchaller
Hereís some heresy sure to draw some abuse for...

Hereís some heresy sure to draw some abuse for me:

If you canít get a countersink bit in there try a drill bit with a ver light touch
Forum: RV-12/RV-12iS 10-12-2021, 08:57 PM
Replies: 5
Views: 704
Posted By RFSchaller
I installed a second Com and put the antenna on...

I installed a second Com and put the antenna on top of the fuselage about 3 feet behind the rear window.
Forum: RV-12/RV-12iS 10-11-2021, 09:54 PM
Replies: 13
Views: 1,308
Posted By RFSchaller
I drilled out the end of a rubber bicycle grip...

I drilled out the end of a rubber bicycle grip and slipped it on the flap handle. Iíve never been pinched by the button.
Forum: RV-12/RV-12iS 10-09-2021, 09:08 PM
Replies: 7
Views: 620
Posted By RFSchaller
My bearings are 10 years in service averaging a...

My bearings are 10 years in service averaging a little over 100 hours per year with no problems. They seem pretty durable and trouble free.
Forum: RV-12/RV-12iS 10-08-2021, 08:52 PM
Replies: 18
Views: 1,683
Posted By RFSchaller
Funny story: I once got some instruction in a...

Funny story: I once got some instruction in a Yak-52 from Sergei Boriak, world champion aerobatic pilot. After all that experience he was still using his hands to mimic the trim tabs to figure out...
Forum: RV-12/RV-12iS 10-08-2021, 08:47 PM
Replies: 13
Views: 1,545
Posted By RFSchaller
I canít remember this part. Itís been almost 9...

I canít remember this part. Itís been almost 9 years since I finished my build, but hereís a stupid question: which way is the angle pointing, toward or away from the viewer? Isometric drawings can...
Forum: RV-12/RV-12iS 10-05-2021, 09:30 PM
Replies: 30
Views: 4,305
Posted By RFSchaller
Jim, Duh! I smacked myself in the forehead...

Jim,

Duh! I smacked myself in the forehead after that one. Youíre right: the bypass path is around the filter, not back to the tank.

Rich
Forum: RV-12/RV-12iS 10-01-2021, 10:14 PM
Replies: 30
Views: 4,305
Posted By RFSchaller
Iíll take a stab at that, Jim. The oil pump is a...

Iíll take a stab at that, Jim. The oil pump is a positive displacement pump so flow rate through the pump is constant for a given RPM. If the bypass valve comes open that bypass flow is not going...
Forum: RV-12/RV-12iS 10-01-2021, 10:08 PM
Replies: 13
Views: 1,923
Posted By RFSchaller
I canít win! No insulation and the engine...

I canít win! No insulation and the engine overheats. Insulate and it accelerates exhaust failure.

I had an exhaust line break off a Continental O-200A on my first home built. I ended up with some...
Forum: RV-12/RV-12iS 10-01-2021, 10:01 PM
Replies: 5
Views: 672
Posted By RFSchaller
At almost 1200 hours Iím on my third set of...

At almost 1200 hours Iím on my third set of mains. Mine wear evenly and donít require rotation between R & L. Nose wheel tire has very little wear and is original. I operate off pavement.
Forum: RV-12/RV-12iS 09-28-2021, 09:03 PM
Replies: 30
Views: 4,305
Posted By RFSchaller
120F seems to be a common number for a lot of...

120F seems to be a common number for a lot of rotating equipment oil.An explanation I have heard is viscosity at lower temperatures causes reduced flow through the orifices that feed the bearings.
Forum: RV-12/RV-12iS 09-27-2021, 09:28 PM
Replies: 14
Views: 1,857
Posted By RFSchaller
I have the D180. When my oil pressure sensor...

I have the D180. When my oil pressure sensor failed in flight I was about an hour away from an airport. That hour did not register on my display labeled ďHOBBSĒ.
Forum: RV-12/RV-12iS 09-27-2021, 09:19 PM
Replies: 8
Views: 1,425
Posted By RFSchaller
I had one fall off. I discovered it on the...

I had one fall off. I discovered it on the ignition check during run up. I think it is easy to not get full engagement when you put the cap on which is why mine came off. Since then (about 200 hours...
Forum: RV-12/RV-12iS 09-21-2021, 09:56 PM
Replies: 20
Views: 1,901
Posted By RFSchaller
When I had a pitot system issue on an Aventura HP...

When I had a pitot system issue on an Aventura HP I ran a temporary pitot tube and hooked it to a spare airspeed indicator vented to my cockpit for comparison. A little tough to do on an RV-12, but...
Forum: RV-12/RV-12iS 09-18-2021, 08:35 PM
Replies: 12
Views: 1,384
Posted By RFSchaller
Bob, Itís been almost 10 years since I finished...

Bob,

Itís been almost 10 years since I finished mine, but I donít recall encountering that many 3/32Ē rivets at any stage.

Rich
Forum: RV-12/RV-12iS 09-18-2021, 08:22 PM
Replies: 20
Views: 1,901
Posted By RFSchaller
Is there any part of your system that was not...

Is there any part of your system that was not part of the pressure boundary during your syringe test?

I have a D180 and D100 combo. I notice that the D100 comes alive about 15 knots, but the D180...
Forum: RV-12/RV-12iS 09-15-2021, 09:50 PM
Replies: 8
Views: 1,508
Posted By RFSchaller
Ever try to nail jello to a wall? Welcome to the...

Ever try to nail jello to a wall? Welcome to the regulatory world!😝
Forum: RV-12/RV-12iS 09-15-2021, 09:48 PM
Replies: 12
Views: 1,384
Posted By RFSchaller
One at a time.

One at a time.
Forum: RV-12/RV-12iS 09-15-2021, 09:46 PM
Replies: 26
Views: 3,360
Posted By RFSchaller
Stupid question: are you using an Aviation...

Stupid question: are you using an Aviation 37-degree flare? The automotive 45-degree flare will not seal.
Forum: RV-12/RV-12iS 09-15-2021, 09:41 PM
Replies: 13
Views: 1,923
Posted By RFSchaller
OK. Try this...

OK. Try this link:

https://www.flickr.com/photos/193976359@N06/51480738848/in/photostream/
Forum: RV-12/RV-12iS 09-15-2021, 09:37 PM
Replies: 13
Views: 1,923
Posted By RFSchaller
I havenít had much luck posting photos, but here...

I havenít had much luck posting photos, but here are two of the finished mod and two of one the removed sections.

V <a data-flickr-embed="true" href="https://www.flickr.com/photos/193976359@N06"...
Forum: RV-12/RV-12iS 09-13-2021, 10:10 PM
Replies: 13
Views: 1,923
Posted By RFSchaller
Iíll be out at the hangar Wednesday and get some...

Iíll be out at the hangar Wednesday and get some pics. The muffler insulation I used was a sheet of fiberglass with adhesive on one side and shiny aluminum (?) on the other from Auto Zone.
Forum: RV-12/RV-12iS 09-13-2021, 10:04 PM
Replies: 12
Views: 1,384
Posted By RFSchaller
I doubt I ever had more than 50 in use at any...

I doubt I ever had more than 50 in use at any time. The 1/8Ē clecos are the most used.
Forum: RV-12/RV-12iS 09-13-2021, 10:02 PM
Replies: 8
Views: 1,508
Posted By RFSchaller
Itís nice to have a plane already licensed as...

Itís nice to have a plane already licensed as ELSA. At least I have some certainty.
Forum: RV-12/RV-12iS 09-13-2021, 11:03 AM
Replies: 13
Views: 1,711
Posted By RFSchaller
Fortunately, in AZ they get you once when you buy...

Fortunately, in AZ they get you once when you buy it for sales tax, but itís only $25/year after that.
Forum: RV-12/RV-12iS 09-13-2021, 10:57 AM
Replies: 13
Views: 1,923
Posted By RFSchaller
Legacy R-12 Overheating Solution

I live in Phoenix. My 12 was licensed in 2012, and itís pretty much the original design with D180 avionics. In summer I frequently get CHT and Oil temperature alarms during climb out, and sometimes I...
Forum: RV-12/RV-12iS 09-12-2021, 09:16 PM
Replies: 29
Views: 9,062
Posted By RFSchaller
My insurance was shopped through USAA. Over the...

My insurance was shopped through USAA. Over the years they have always been ther on claims. Yeah, the premium is higher, but you get what you pay for.
Forum: RV-12/RV-12iS 09-12-2021, 09:12 PM
Replies: 8
Views: 1,323
Posted By RFSchaller
I cut down a box end wrench to tighten my brake...

I cut down a box end wrench to tighten my brake fittings under the wing box bulkhead.
Forum: RV-12/RV-12iS 09-10-2021, 09:52 PM
Replies: 29
Views: 9,062
Posted By RFSchaller
My insurance rates have remained virtually...

My insurance rates have remained virtually constant for 36 years on my Cherokee with $1M total coverage for hull, medical and liability. This year I hit the big 70. With an ATP, over 5500 hours and...
Forum: RV-12/RV-12iS 09-10-2021, 09:45 PM
Replies: 23
Views: 3,389
Posted By RFSchaller
Another issue to consider is the insurance. How...

Another issue to consider is the insurance. How would they react to a claim on an aircraft that has an engine beyond recommended overhaul time?
Forum: RV-12/RV-12iS 09-10-2021, 09:38 PM
Replies: 8
Views: 1,323
Posted By RFSchaller
The fittings on my master cylinders require...

The fittings on my master cylinders require periodic tightening. Usually about 1/8 turn.
Forum: RV-12/RV-12iS 09-10-2021, 09:35 PM
Replies: 5
Views: 577
Posted By RFSchaller
Mine uses about that much coolant too.

Mine uses about that much coolant too.
Forum: RV-12/RV-12iS 08-31-2021, 09:42 PM
Replies: 23
Views: 3,389
Posted By RFSchaller
I usually spread my annual out over a week, but...

I usually spread my annual out over a week, but total time for me is about Twenty hours of actual work assuming I donít have anything extra like a big SB. I repack wheel bearings every annual and...
Forum: RV-12/RV-12iS 08-27-2021, 09:43 PM
Replies: 5
Views: 1,647
Posted By RFSchaller
I thought the Part 91 required instruments...

I thought the Part 91 required instruments applied to all types of airworthiness certificates.
Forum: RV-12/RV-12iS 08-26-2021, 08:49 PM
Replies: 7
Views: 1,194
Posted By RFSchaller
I just replace mine every annual. Theyíre too...

I just replace mine every annual. Theyíre too cheap to worry about the cost.
Forum: RV-12/RV-12iS 08-21-2021, 09:05 PM
Replies: 15
Views: 2,275
Posted By RFSchaller
Scott, I donít think you understood what I did...

Scott,

I donít think you understood what I did with the shim. Because the wing moved slightly when I stepped on the wing walk and because there was about 1/16Ē fore and aft movement at the wingtip I...
Forum: RV-12/RV-12iS 08-17-2021, 08:53 PM
Replies: 15
Views: 2,275
Posted By RFSchaller
Scott, My 12 is coming up on 10 years and a...

Scott,

My 12 is coming up on 10 years and a little over 1100 hours. I noticed a slight ďclickĒ every time I got onto the engine after a couple of years, and I shimmed the spar tongues with a .025Ē...
Forum: RV-12/RV-12iS 08-09-2021, 12:33 AM
Replies: 5
Views: 2,312
Posted By RFSchaller
About 15 years ago I was flying to OSH and making...

About 15 years ago I was flying to OSH and making a fuel stop at Juneau, WI. As I looked out the window of the FBO a guy in a Cessna taxied toward the runway with oil pouring out of his cowling. I...
Forum: RV-12/RV-12iS 07-19-2021, 10:17 PM
Replies: 8
Views: 1,153
Posted By RFSchaller
If you have the original VDO sensor that might be...

If you have the original VDO sensor that might be the issue. Might also be a wiring connection going bad.
Forum: RV-12/RV-12iS 07-15-2021, 08:45 PM
Replies: 43
Views: 7,132
Posted By RFSchaller
I wonder who they are rejecting, and why they...

I wonder who they are rejecting, and why they couldnít have just made the LODA apply to that group.
Forum: RV-12/RV-12iS 07-14-2021, 11:42 PM
Replies: 8
Views: 1,663
Posted By RFSchaller
Not obvious to me that there is an ignition...

Not obvious to me that there is an ignition hazard when using a CCD sensor with an LED light source powered by 3V battery.
Forum: RV-12/RV-12iS 07-14-2021, 11:33 PM
Replies: 10
Views: 2,225
Posted By RFSchaller
Bummer, Randy. Not the sort of luck you want....

Bummer, Randy. Not the sort of luck you want. Reminds me of a trip back from OSH one year. I did the whole trek in one day to the Phoenix area only to have a student flip a 152 at the end of the...
Forum: RV-12/RV-12iS 07-14-2021, 11:24 PM
Replies: 15
Views: 2,776
Posted By RFSchaller
I was not enthusiastic about 20 gallons sitting...

I was not enthusiastic about 20 gallons sitting right behind me, but then I realized the WAR FW-190, Searey and Aventura HP I built also had the fuel tank in the cockpit. I donít give it much thought...
Forum: RV-12/RV-12iS 07-13-2021, 09:17 PM
Replies: 2
Views: 1,380
Posted By RFSchaller
My advice would be get an A&P you trust to look...

My advice would be get an A&P you trust to look at your work. Iíve built 4 projects and found tech advisors are not all created equal. I had a couple who were great and one that wasted my time.
Forum: RV-12/RV-12iS 07-13-2021, 09:12 PM
Replies: 8
Views: 1,663
Posted By RFSchaller
Iím reluctant to mess with fuel tank fittings....

Iím reluctant to mess with fuel tank fittings. Seems to me every unfastening/ fastening operation invites a leak, so the borescope option is what I do.. along with a sniff test for leaks. Reminiscent...
Forum: RV-12/RV-12iS 07-13-2021, 09:01 PM
Replies: 7
Views: 1,921
Posted By RFSchaller
Amen, Dave! Being about 54 days from my 70th...

Amen, Dave! Being about 54 days from my 70th birthday I am facing the reality that my flying days are numbered. Iíd rather spend them ďtouching the face of GodĒ than sweating in the PHX heat...
Forum: RV-12/RV-12iS 07-13-2021, 08:55 PM
Replies: 43
Views: 7,132
Posted By RFSchaller
Randy, paraphrasing is dangerous, but I would...

Randy, paraphrasing is dangerous, but I would offer this sage advice: stay off the front page. I made a successful career out of it!😝
Forum: RV-12/RV-12iS 07-13-2021, 08:49 PM
Replies: 25
Views: 3,492
Posted By RFSchaller
Even if it can be done it would seem there is...

Even if it can be done it would seem there is value in pulling the wheel and examining the axel spindle and tapered bearings.
Forum: RV-12/RV-12iS 07-13-2021, 08:46 PM
Replies: 10
Views: 2,225
Posted By RFSchaller
I found the wheel pants to be a great aesthetic...

I found the wheel pants to be a great aesthetic value, but they were not worth the PITA associated with checking and adjusting air pressure. Another issue is that a flat tire makes it impossible to...
Forum: RV-12/RV-12iS 07-09-2021, 11:03 PM
Replies: 9
Views: 1,499
Posted By RFSchaller
The permanent magnet generator is rated at 240...

The permanent magnet generator is rated at 240 watts which at 14 volts is about 17 amps sustained load. My 12 draws about 7 amps for avionics, so your situation would seem to be at least 21 amps out...
Forum: RV-12/RV-12iS 07-09-2021, 10:51 PM
Replies: 43
Views: 7,132
Posted By RFSchaller
Back in the 90ís when the USSR fell apart and all...

Back in the 90ís when the USSR fell apart and all the eastern bloc military hardware got into US private hands I got some dual in several different types. At the time the Perry Mason workarounds...
Forum: RV-12/RV-12iS 07-09-2021, 09:24 PM
Replies: 43
Views: 7,132
Posted By RFSchaller
Well, a BFR consists of 1 hour ground plus air...

Well, a BFR consists of 1 hour ground plus air work. I guess the CFI could charge for ground instruction and throw in the flying for free.😎

I shoulda been a lawyer!😈
Forum: RV-12/RV-12iS 07-09-2021, 09:17 PM
Replies: 25
Views: 3,492
Posted By RFSchaller
Youíre selling yourself cheap, Jerry!😝

Youíre selling yourself cheap, Jerry!😝
Forum: RV-12/RV-12iS 07-09-2021, 09:15 PM
Replies: 4
Views: 1,105
Posted By RFSchaller
I used stuff from Auto Zone. Havenít fallen out...

I used stuff from Auto Zone. Havenít fallen out of the atmosphere in the last 9 years or 1100+ hours.
Forum: RV-12/RV-12iS 07-09-2021, 09:10 PM
Replies: 9
Views: 1,499
Posted By RFSchaller
My Cherokee has a load meter that shows the...

My Cherokee has a load meter that shows the alternator output. Unless things have changed from when I built my 12 our 12’s show battery flow (+ for charging and - for discharge). A brief indication...
Showing results 1 to 64 of 500

 
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