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Search: Posts Made By: RFSchaller
Forum: RV-12/RV-12iS Yesterday, 08:52 PM
Replies: 19
Views: 1,319
Posted By RFSchaller
Oly, I calibrated the translucent dip tube in 5...

Oly,

I calibrated the translucent dip tube in 5 gallon increments when I did the initial tank level calibration. Note that itís pretty much linear until you get to the last 5 gallons when the filler...
Forum: RV-12/RV-12iS 01-22-2022, 09:02 PM
Replies: 12
Views: 1,087
Posted By RFSchaller
Take note of the small amount of resistance. If...

Take note of the small amount of resistance. If you ever break a shear pin you wonít feel it. No resistance is a good indication the pin broke. When my elevator servo shear pin broke it had a nub on...
Forum: RV-12/RV-12iS 01-22-2022, 08:50 PM
Replies: 19
Views: 1,319
Posted By RFSchaller
I use a piece of translucent brake line and use...

I use a piece of translucent brake line and use it as a dip tube. It easily goes around the bend in the filler neck and I donít have to worry about breaking it.
Forum: RV-12/RV-12iS 01-19-2022, 10:57 PM
Replies: 27
Views: 7,085
Posted By RFSchaller
When I built my tanks I never thought they would...

When I built my tanks I never thought they would pass the leak test, but they never leaked. Itís messy, but not difficult to get them right. Itís certainly not the most complex step in building the...
Forum: RV-12/RV-12iS 01-19-2022, 10:46 PM
Replies: 11
Views: 808
Posted By RFSchaller
I did the acceptance tests and flew my first 20...

I did the acceptance tests and flew my first 20 hours without seals and had no problems. Some wing skins may have tighter gaps than others. Maybe that could account for some having issues .
Forum: RV-12/RV-12iS 01-11-2022, 09:06 PM
Replies: 4
Views: 563
Posted By RFSchaller
I set mine per the KAI. 10 years and 1200 hours...

I set mine per the KAI. 10 years and 1200 hours with no issues.
Forum: RV-12/RV-12iS 01-11-2022, 09:04 PM
Replies: 14
Views: 1,364
Posted By RFSchaller
My D180 indications were unaffected, but my servo...

My D180 indications were unaffected, but my servo is sometimes unresponsive until I stroke it in the opposite direction a couple of seconds which seems to free it up.
Forum: RV-12/RV-12iS 12-26-2021, 12:36 AM
Replies: 13
Views: 2,391
Posted By RFSchaller
I replaced the one between the seats in my legacy...

I replaced the one between the seats in my legacy RV-12 with q dual outlet I bought on Amazon and put in a switch since the original design had the receptacle wired right to the battery and my...
Forum: RV-12/RV-12iS 12-26-2021, 12:28 AM
Replies: 16
Views: 1,966
Posted By RFSchaller
I keep a spreadsheet of all the Vans and ROTAX...

I keep a spreadsheet of all the Vans and ROTAX notices along with their status regarding my plane. I update it every annual.
Forum: RV-12/RV-12iS 12-11-2021, 10:53 PM
Replies: 5
Views: 713
Posted By RFSchaller
I added a FreeFlight 978XVR UAT in 2014 to my 12...

I added a FreeFlight 978XVR UAT in 2014 to my 12 which has the old D180 setup. It was pretty simple to add to the avionics bay. I put the GPS antenna on the avionics bay cover and the spike antenna...
Forum: RV-12/RV-12iS 12-11-2021, 10:43 PM
Replies: 38
Views: 7,165
Posted By RFSchaller
I usually fly alone (unless you count my...

I usually fly alone (unless you count my imaginary friend😝). I canít imagine how I would get the wings on and off each trip to the airport. I would have preferred that the design have permanent wing...
Forum: RV-12/RV-12iS 12-07-2021, 10:33 PM
Replies: 10
Views: 2,122
Posted By RFSchaller
I donít have my manuals in front of me, but I...

I donít have my manuals in front of me, but I thought the tire pressure had a max of 28psi. Iíd rather have mine a few psi too high than too low. Emphasis on ďfewĒ.
Forum: RV-12/RV-12iS 12-07-2021, 10:23 PM
Replies: 6
Views: 1,031
Posted By RFSchaller
I used that lip to attach a small sub panel that...

I used that lip to attach a small sub panel that holds my VOR/ILS receiver.
Forum: RV-12/RV-12iS 12-07-2021, 10:16 PM
Replies: 5
Views: 844
Posted By RFSchaller
I sealed mine with a bead of clear silicone. Mask...

I sealed mine with a bead of clear silicone. Mask off a line about 3/16Ē from the airframe on the outer surface of the plex and mask the airframe at the edge of the metal. Apply the bead and then...
Forum: RV-12/RV-12iS 12-03-2021, 10:24 PM
Replies: 351
Views: 460,065
Posted By RFSchaller
Maybe, Jim ó- or maybe he REALLY made some mods!😝

Maybe, Jim ó- or maybe he REALLY made some mods!😝
Forum: RV-12/RV-12iS 12-03-2021, 10:20 PM
Replies: 11
Views: 1,915
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: 1,064
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: 908
Posted By RFSchaller
As I recall there were 1/8Ē rivets that were a...

As I recall there were 1/8Ē rivets that were a bear to squeeze. Otherwise no issues.
Forum: RV-12/RV-12iS 11-18-2021, 08:51 PM
Replies: 13
Views: 2,317
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: 1,363
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. Iím 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: 1,949
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: 1,054
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: 1,989
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: 1,949
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: 2,579
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: 2,500
Posted By RFSchaller
Iíll chime in with something from my undergrad...

Iíll 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: 655
Posted By RFSchaller
Clecos, not flŤches or flecks. Thanks spell...

Clecos, not flŤches 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: 655
Posted By RFSchaller
I just got them close by eye and let the flŤches...

I just got them close by eye and let the flŤches 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: 12
Views: 2,967
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: 3,100
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: 1,950
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, 10:03 PM
Replies: 22
Views: 3,403
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, 11:35 PM
Replies: 22
Views: 3,403
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, 11:23 PM
Replies: 22
Views: 3,403
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, 10:52 PM
Replies: 6
Views: 2,077
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, 10:45 PM
Replies: 12
Views: 2,890
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: 3,403
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, 01:08 PM
Replies: 10
Views: 2,286
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: 2,428
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, 09:57 PM
Replies: 10
Views: 2,286
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: 2,290
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, 10:08 PM
Replies: 7
Views: 994
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: 2,701
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: 2,428
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, 10:30 PM
Replies: 30
Views: 6,057
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, 11:14 PM
Replies: 30
Views: 6,057
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, 11:08 PM
Replies: 13
Views: 2,341
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, 11:01 PM
Replies: 10
Views: 2,122
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, 10:03 PM
Replies: 30
Views: 6,057
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: 2,702
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, 10:19 PM
Replies: 8
Views: 1,737
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: 2,773
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: 1,648
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, 09:22 PM
Replies: 20
Views: 2,773
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: 1,724
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: 1,648
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: 4,061
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: 2,341
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: 2,341
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, 11:10 PM
Replies: 13
Views: 2,341
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, 11:04 PM
Replies: 12
Views: 1,648
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, 11:02 PM
Replies: 8
Views: 1,724
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, 12:03 PM
Replies: 13
Views: 2,084
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, 11:57 AM
Replies: 13
Views: 2,341
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...
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