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Search: Posts Made By: RFSchaller
Forum: RV-12/RV-12iS Yesterday, 10:24 PM
Replies: 350
Views: 451,063
Posted By RFSchaller
Maybe, Jim —- or maybe he REALLY made some mods!😝

Maybe, Jim —- or maybe he REALLY made some mods!😝
Forum: RV-12/RV-12iS Yesterday, 10:20 PM
Replies: 2
Views: 228
Posted By RFSchaller
When I was in the nuke industry I had a...

When I was in the nuke industry I had a particularly brilliant engineer working for me that was always coming up with new and expensive inspections we could perform on our steam generators. I told...
Forum: ADS-B 11-29-2021, 09:32 PM
Replies: 7
Views: 501
Posted By RFSchaller
If your PAPR is not available you may have an...

If your PAPR is not available you may have an ICAO code error in the UAVIONIX Out. Mine was wrong initially, and a fat finger had me reporting as a French plane. If no one is picking you up it sounds...
Forum: RV-12/RV-12iS 11-29-2021, 09:24 PM
Replies: 8
Views: 555
Posted By RFSchaller
As I recall there were 1/8” rivets that were a...

As I recall there were 1/8” rivets that were a bear to squeeze. Otherwise no issues.
Forum: RV-12/RV-12iS 11-18-2021, 08:51 PM
Replies: 13
Views: 1,629
Posted By RFSchaller
My solution to reach the passenger vent knob is...

My solution to reach the passenger vent knob is loosening my harness and reaching over.
Forum: RV-12/RV-12iS 11-09-2021, 11:03 PM
Replies: 8
Views: 1,012
Posted By RFSchaller
Bob, how much is erratic? I have the...

Bob, how much is erratic? I have the D180/Honeywell combo, but my sensor is mounted directly on the engine. I’m on my third sensor in 1200 hours. My readings bounce around +/- 5-10 psi.

As an aside...
Forum: RV-12/RV-12iS 11-03-2021, 10:45 PM
Replies: 14
Views: 1,521
Posted By RFSchaller
Yes, during transition from flaps 1 to flaps 0.

Yes, during transition from flaps 1 to flaps 0.
Forum: RV-12/RV-12iS 11-03-2021, 10:38 PM
Replies: 3
Views: 840
Posted By RFSchaller
Possibly just a bad connection at the VR plug.

Possibly just a bad connection at the VR plug.
Forum: RV-12/RV-12iS 11-03-2021, 10:36 PM
Replies: 13
Views: 1,587
Posted By RFSchaller
My OLs allow night and IFR if properly equipped....

My OLs allow night and IFR if properly equipped. My DAR provided me an email clearly stating that after I asked him to translate the convoluted FAA boiler plate.
Forum: RV-12/RV-12iS 11-02-2021, 10:11 PM
Replies: 14
Views: 1,521
Posted By RFSchaller
Has anybody experienced a dropping wing when you...

Has anybody experienced a dropping wing when you raise flaps? Mine rolls right as I raise flaps, but flies straight when they are raised or down.
Forum: RV-12/RV-12iS 11-01-2021, 10:11 PM
Replies: 19
Views: 1,842
Posted By RFSchaller
Try putting an ohm meter on the pin at the...

Try putting an ohm meter on the pin at the connector to your MFD and the connector forward of the firewall to check continuity.
Forum: RV-12/RV-12iS 11-01-2021, 10:06 PM
Replies: 16
Views: 1,987
Posted By RFSchaller
I’ll chime in with something from my undergrad...

I’ll chime in with something from my undergrad physics days half a century ago. The sound you describe is typical of two oscillators at nearly the same frequency (beat frequency) which multi engine...
Forum: RV-12/RV-12iS 10-30-2021, 10:45 PM
Replies: 3
Views: 555
Posted By RFSchaller
Clecos, not flèches or flecks. Thanks spell...

Clecos, not flèches or flecks. Thanks spell checker.

I recently saw on the internet: Think of spellcheck as a well meaning elf that lives in you computer/phone who desperately wants to help but is,...
Forum: RV-12/RV-12iS 10-30-2021, 10:42 PM
Replies: 3
Views: 555
Posted By RFSchaller
I just got them close by eye and let the flèches...

I just got them close by eye and let the flèches pull them in. The adjacent flecks were close enough that as long as I was close the stayed in place for riveting.
Forum: RV-12/RV-12iS 10-28-2021, 10:17 PM
Replies: 11
Views: 2,013
Posted By RFSchaller
Try slipping the fiberglass spinner over the...

Try slipping the fiberglass spinner over the aluminum one and using it as a guide to drill.
Forum: RV-12/RV-12iS 10-27-2021, 09:54 PM
Replies: 14
Views: 2,519
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, 09:49 PM
Replies: 5
Views: 1,664
Posted By RFSchaller
I don’t think there has ever been a “perfect”...

I don’t think there has ever been a “perfect” airplane. Walk the line at your local airport and you’ll see much worse.
Forum: RV-12/RV-12iS 10-19-2021, 10:03 PM
Replies: 22
Views: 2,862
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 1/4” 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, 11:35 PM
Replies: 22
Views: 2,862
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 don’t understand why one would worry. Maybe there is something I am missing.

Rich
Forum: RV-12/RV-12iS 10-16-2021, 11:23 PM
Replies: 22
Views: 2,862
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 you’ll sleep better at night.
Forum: RV-12/RV-12iS 10-15-2021, 10:52 PM
Replies: 5
Views: 1,407
Posted By RFSchaller
Aren’t your gear legs painted? Granted I live in...

Aren’t 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, 10:45 PM
Replies: 12
Views: 2,516
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, 10:41 PM
Replies: 22
Views: 2,862
Posted By RFSchaller
I move my RAV-12 around when I don’t have my row...

I move my RAV-12 around when I don’t 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, 01:08 PM
Replies: 10
Views: 1,770
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, 10:00 PM
Replies: 13
Views: 2,089
Posted By RFSchaller
Here’s some heresy sure to draw some abuse for...

Here’s some heresy sure to draw some abuse for me:

If you can’t get a countersink bit in there try a drill bit with a ver light touch
Forum: RV-12/RV-12iS 10-12-2021, 09:57 PM
Replies: 10
Views: 1,770
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, 10:54 PM
Replies: 13
Views: 1,884
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. I’ve never been pinched by the button.
Forum: RV-12/RV-12iS 10-09-2021, 10:08 PM
Replies: 7
Views: 884
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, 09:52 PM
Replies: 18
Views: 2,254
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, 09:47 PM
Replies: 13
Views: 2,089
Posted By RFSchaller
I can’t remember this part. It’s been almost 9...

I can’t remember this part. It’s been almost 9 years since I finished my build, but here’s 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, 10:30 PM
Replies: 30
Views: 5,252
Posted By RFSchaller
Jim, Duh! I smacked myself in the forehead...

Jim,

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

Rich
Forum: RV-12/RV-12iS 10-01-2021, 11:14 PM
Replies: 30
Views: 5,252
Posted By RFSchaller
I’ll take a stab at that, Jim. The oil pump is a...

I’ll 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, 11:08 PM
Replies: 13
Views: 2,122
Posted By RFSchaller
I can’t win! No insulation and the engine...

I can’t 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, 11:01 PM
Replies: 5
Views: 794
Posted By RFSchaller
At almost 1200 hours I’m on my third set of...

At almost 1200 hours I’m on my third set of mains. Mine wear evenly and don’t 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, 10:03 PM
Replies: 30
Views: 5,252
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, 10:28 PM
Replies: 14
Views: 2,227
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 “HOBBS”.
Forum: RV-12/RV-12iS 09-27-2021, 10:19 PM
Replies: 8
Views: 1,605
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, 10:56 PM
Replies: 20
Views: 2,431
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, 09:35 PM
Replies: 12
Views: 1,523
Posted By RFSchaller
Bob, It’s been almost 10 years since I finished...

Bob,

It’s been almost 10 years since I finished mine, but I don’t recall encountering that many 3/32” rivets at any stage.

Rich
Forum: RV-12/RV-12iS 09-18-2021, 09:22 PM
Replies: 20
Views: 2,431
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, 10:50 PM
Replies: 8
Views: 1,614
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, 10:48 PM
Replies: 12
Views: 1,523
Posted By RFSchaller
One at a time.

One at a time.
Forum: RV-12/RV-12iS 09-15-2021, 10:46 PM
Replies: 26
Views: 3,682
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, 10:41 PM
Replies: 13
Views: 2,122
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, 10:37 PM
Replies: 13
Views: 2,122
Posted By RFSchaller
I haven’t had much luck posting photos, but here...

I haven’t 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, 11:10 PM
Replies: 13
Views: 2,122
Posted By RFSchaller
I’ll be out at the hangar Wednesday and get some...

I’ll 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, 11:04 PM
Replies: 12
Views: 1,523
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 1/8” clecos are the most used.
Forum: RV-12/RV-12iS 09-13-2021, 11:02 PM
Replies: 8
Views: 1,614
Posted By RFSchaller
It’s nice to have a plane already licensed as...

It’s nice to have a plane already licensed as ELSA. At least I have some certainty.
Forum: RV-12/RV-12iS 09-13-2021, 12:03 PM
Replies: 13
Views: 1,879
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 it’s only $25/year after that.
Forum: RV-12/RV-12iS 09-13-2021, 11:57 AM
Replies: 13
Views: 2,122
Posted By RFSchaller
Legacy R-12 Overheating Solution

I live in Phoenix. My 12 was licensed in 2012, and it’s 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, 10:16 PM
Replies: 29
Views: 9,380
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, 10:12 PM
Replies: 8
Views: 1,518
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, 10:52 PM
Replies: 29
Views: 9,380
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, 10:45 PM
Replies: 23
Views: 3,663
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, 10:38 PM
Replies: 8
Views: 1,518
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, 10:35 PM
Replies: 5
Views: 650
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, 10:42 PM
Replies: 23
Views: 3,663
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 don’t have anything extra like a big SB. I repack wheel bearings every annual and...
Forum: RV-12/RV-12iS 08-27-2021, 10:43 PM
Replies: 5
Views: 1,773
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, 09:49 PM
Replies: 7
Views: 1,359
Posted By RFSchaller
I just replace mine every annual. They’re too...

I just replace mine every annual. They’re too cheap to worry about the cost.
Forum: RV-12/RV-12iS 08-21-2021, 10:05 PM
Replies: 15
Views: 2,590
Posted By RFSchaller
Scott, I don’t think you understood what I did...

Scott,

I don’t 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 1/16” fore and aft movement at the wingtip I...
Forum: RV-12/RV-12iS 08-17-2021, 09:53 PM
Replies: 15
Views: 2,590
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 “click” every time I got onto the engine after a couple of years, and I shimmed the spar tongues with a .025”...
Forum: RV-12/RV-12iS 08-09-2021, 01:33 AM
Replies: 5
Views: 2,462
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, 11:17 PM
Replies: 8
Views: 1,253
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, 09:45 PM
Replies: 43
Views: 7,648
Posted By RFSchaller
I wonder who they are rejecting, and why they...

I wonder who they are rejecting, and why they couldn’t have just made the LODA apply to that group.
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