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Search: Posts Made By: RFSchaller
Forum: RV-12/RV-12iS Today, 08:30 PM
Replies: 12
Views: 380
Posted By RFSchaller
There is not a lot of panel space if you have...

There is not a lot of panel space if you have dual MFDs. Since the MFDs have time displays I would not want to give up panel real estate for a simple clock. I have the first generation avionics with...
Forum: RV-12/RV-12iS 04-21-2019, 08:49 PM
Replies: 16
Views: 772
Posted By RFSchaller
If itís true confession time I admit an acquired...

If itís true confession time I admit an acquired skill at removing the wrong rivet!😜
Forum: RV-12/RV-12iS 04-20-2019, 09:03 PM
Replies: 10
Views: 587
Posted By RFSchaller
If itís an SLSA you could ask Vans for approval...

If itís an SLSA you could ask Vans for approval to solder and that would be legal if they approve.
Forum: RV-12/RV-12iS 04-17-2019, 09:26 PM
Replies: 4
Views: 446
Posted By RFSchaller
Yep, I put the engine on and agonized on the cut...

Yep, I put the engine on and agonized on the cut lines only to find out the scribe lines were a near perfect requiring only minor sanding of the edges for a perfect fit.
Forum: RV-12/RV-12iS 04-15-2019, 10:35 PM
Replies: 21
Views: 2,601
Posted By RFSchaller
Youíre probably right, Charlie. You saw how...

Youíre probably right, Charlie. You saw how tentative I was about frequent oil changes helping.
Forum: RV-12/RV-12iS 04-15-2019, 10:32 PM
Replies: 7
Views: 617
Posted By RFSchaller
I flecked the side skins until I was done with...

I flecked the side skins until I was done with the cockpit to ensure I had easy access to everything.
Forum: RV-12/RV-12iS 04-15-2019, 11:39 AM
Replies: 21
Views: 2,601
Posted By RFSchaller
True about the lead. More frequent oil changes...

True about the lead. More frequent oil changes might mitigate that a little.
Forum: RV-12/RV-12iS 04-15-2019, 11:36 AM
Replies: 4
Views: 419
Posted By RFSchaller
After 7 years my tank is still tight. I did the...

After 7 years my tank is still tight. I did the soapy bubble test on all the seams and fittings. Drop tests are Ok, but to my thinking all they do is tell you if something is leaking: no indication...
Forum: RV-12/RV-12iS 04-15-2019, 11:14 AM
Replies: 74
Views: 15,617
Posted By RFSchaller
FAA never replied. I thought AOPA did a good job...

FAA never replied. I thought AOPA did a good job with their reply.
Forum: RV-12/RV-12iS 04-15-2019, 11:09 AM
Replies: 6
Views: 650
Posted By RFSchaller
After a few hundreds hours my ROTAX 912 developed...

After a few hundreds hours my ROTAX 912 developed a roughness inflight when I pull back the power for descent and RPM passes through about 4400-4800. I changed plugs, overhauled the carbs and...
Forum: RV-12/RV-12iS 04-11-2019, 09:06 PM
Replies: 15
Views: 910
Posted By RFSchaller
My A&P drilled a hole and installed a small...

My A&P drilled a hole and installed a small machine screw for the weight.
Forum: RV-12/RV-12iS 04-10-2019, 08:25 PM
Replies: 8
Views: 544
Posted By RFSchaller
I guess that really didnít answer your question....

I guess that really didnít answer your question. I reserved an N number without any of the paperwork I described, and as I recall I needed the bill of sale to complete the reservation.
Forum: RV-12/RV-12iS 04-10-2019, 08:23 PM
Replies: 8
Views: 544
Posted By RFSchaller
I checked my AW package. It has three documents...

I checked my AW package. It has three documents with a Vans signature: Bill of Sale, Statement of Conformance and the Affidavit of ownership.
Forum: RV-12/RV-12iS 04-03-2019, 10:04 PM
Replies: 1
Views: 602
Posted By RFSchaller
Torque Values

I noticed a small oil weep from the crankcase drain plug forward of the oil return line connection during my annual. The parts catalogue used to have all the torque values, but doesnít seem to have...
Forum: RV-12/RV-12iS 04-02-2019, 09:03 PM
Replies: 21
Views: 2,601
Posted By RFSchaller
You might have just drawn the short straw and...

You might have just drawn the short straw and ended up with a lemon. My second homebuilt had a 912ULS that developed a huge oil seal leak after 5 hours. Sometimes you just get unlucky.
Forum: RV-12/RV-12iS 04-02-2019, 08:58 PM
Replies: 3
Views: 555
Posted By RFSchaller
I never installed any boots. After almost 850...

I never installed any boots. After almost 850 hours and 7 years there have been no issues.
Forum: RV-12/RV-12iS 04-01-2019, 10:51 PM
Replies: 13
Views: 1,090
Posted By RFSchaller
The way I remember the K-factor adjustment...

The way I remember the K-factor adjustment equation is to think of the K as the number of turbine revolutions per gallon. If your calculated fuel used is high you need to increase the number of...
Forum: RV-12/RV-12iS 04-01-2019, 10:47 PM
Replies: 5
Views: 559
Posted By RFSchaller
Darn! I thought the needle nose vise grips were a...

Darn! I thought the needle nose vise grips were a flash of genius unique to me!😝
Forum: RV-12/RV-12iS 04-01-2019, 10:42 PM
Replies: 21
Views: 2,601
Posted By RFSchaller
Cammie, How confident are you that there wasnít...

Cammie,

How confident are you that there wasnít anything like a prop strike before you acquired the plane? That might explain things.

Rich
Forum: RV-12/RV-12iS 04-01-2019, 10:36 PM
Replies: 9
Views: 1,160
Posted By RFSchaller
I checked my logs and my main tires were replaced...

I checked my logs and my main tires were replaced at 440 hrs (Left) and 550 hrs (right) my nose wheel tire shows very little wear at 840 hrs. I replace my brake pads every other year which works out...
Forum: RV-12/RV-12iS 03-31-2019, 08:24 PM
Replies: 13
Views: 1,090
Posted By RFSchaller
Steve, The only time my fuel flow has spiked...

Steve,

The only time my fuel flow has spiked high was when I had vapor lock (actually not full blown lock just some bubbly flow in the fuel line). I put a switch on my electric pump so the flow...
Forum: RV-12/RV-12iS 03-26-2019, 09:45 PM
Replies: 7
Views: 1,236
Posted By RFSchaller
My first homebuilt was from plans. Trust me, Vans...

My first homebuilt was from plans. Trust me, Vans has made a seemingly insurmountable task easy. I built three other planes before I built my RV-12, and I never would have wasted that time if I had...
Forum: RV-12/RV-12iS 03-26-2019, 09:37 PM
Replies: 10
Views: 1,207
Posted By RFSchaller
In PHX warming the engine is never an issue, but...

In PHX warming the engine is never an issue, but in the ROTAX Course I took the instructor told us running at2500 RPM maybe required IN some circumstances to reach NOT.
Forum: RV-12/RV-12iS 03-26-2019, 09:28 PM
Replies: 9
Views: 1,600
Posted By RFSchaller
Talking In plain terms you might be VSF! Watch Air...

In plain terms you might be VSF! Watch Air America for an explanation.:eek:
Forum: RV-12/RV-12iS 02-13-2019, 07:32 PM
Replies: 129
Views: 13,883
Posted By RFSchaller
My floats were replaced at 500 hour overhaul of...

My floats were replaced at 500 hour overhaul of the carbs, but the originals still pass the weight test, so I keep them as spares.
Forum: RV-12/RV-12iS 02-12-2019, 11:50 PM
Replies: 16
Views: 2,529
Posted By RFSchaller
Come on guys! Let this be the one refuge from...

Come on guys! Let this be the one refuge from politics!😝
Forum: RV-12/RV-12iS 02-11-2019, 11:00 PM
Replies: 16
Views: 2,529
Posted By RFSchaller
I took a negotiation course about 25 years ago....

I took a negotiation course about 25 years ago. One of the exercises was for our group of trainees to sell shares of stock to another group. The rules were that the buyers had an undisclosed amount...
Forum: RV-12/RV-12iS 02-10-2019, 07:30 PM
Replies: 11
Views: 2,393
Posted By RFSchaller
Swiss Army knife, Gives me a way to justify it to...

Swiss Army knife, Gives me a way to justify it to the wife!😜
Forum: RV-12/RV-12iS 02-05-2019, 10:43 PM
Replies: 11
Views: 1,839
Posted By RFSchaller
Andrew, The west coast shop who overhauled my...

Andrew,

The west coast shop who overhauled my carbs did replace the needles and floats, but frankly I was not happy with them. They managed to swap my right and left choke assemblies which made...
Forum: RV-12/RV-12iS 02-05-2019, 10:37 PM
Replies: 3
Views: 1,667
Posted By RFSchaller
I always wondered why we canít use a card for...

I always wondered why we canít use a card for 100%. Donít they want us to get the frequent flyer points?😝
Forum: RV-12/RV-12iS 02-05-2019, 10:32 PM
Replies: 14
Views: 3,117
Posted By RFSchaller
When I wired my fuel pump to the unused nav light...

When I wired my fuel pump to the unused nav light switch I wired the old fuel pump power to a cigarette lighter socket on the bracket that supports the ELT antenna. Itís handy for powering a portable...
Forum: RV-12/RV-12iS 02-05-2019, 10:27 PM
Replies: 39
Views: 5,680
Posted By RFSchaller
Jim, My experience is that the sensor float...

Jim,

My experience is that the sensor float travel does not span the entire height of the tank, so if you bend the float wire to bottom out at the tank bottom I agree with your statement of accuracy...
Forum: RV-12/RV-12iS 02-04-2019, 07:22 PM
Replies: 11
Views: 1,839
Posted By RFSchaller
Andrew, I had my carbs overhauled at about 500...

Andrew, I had my carbs overhauled at about 500 hours.

Rich
Forum: RV-12/RV-12iS 02-03-2019, 08:04 PM
Replies: 11
Views: 1,839
Posted By RFSchaller
Oops! I meant 5200. Math in public overloads my...

Oops! I meant 5200. Math in public overloads my aging brain!😱😝
Forum: RV-12/RV-12iS 02-02-2019, 08:04 PM
Replies: 11
Views: 1,839
Posted By RFSchaller
Fuel Consumption

What are you guys seeing for fuel consumption at cruise? Iíve got a little over 800 hrs on my 912ULS and have seen the the burn rate creep up from4.5 GPH to 5.1 GPH at 4200 RPM AND 22Ē MAP over the...
Forum: RV-12/RV-12iS 01-29-2019, 07:02 PM
Replies: 8
Views: 1,032
Posted By RFSchaller
I put rubber channel on the edge of the wing...

I put rubber channel on the edge of the wing skin. Still looks great after 7 years. You can get it from Aircraft Spruce. The cross section is a U with about 1/2Ē wide and a 1/16Ē center gap.
Forum: Propellers 01-28-2019, 07:16 PM
Replies: 71
Views: 13,374
Posted By RFSchaller
Thanks for letting us know. Was there any...

Thanks for letting us know. Was there any evidence of impact damage from FOD, or any vibration issues during your flights?
Forum: RV-12/RV-12iS 01-27-2019, 06:43 PM
Replies: 8
Views: 984
Posted By RFSchaller
If one carburetor is running leaner than the...

If one carburetor is running leaner than the other it would cause that side to run hotter since the balance tube doesnít do much at cruise RPM. But that wouldnít cause spiking.
Forum: RV-12/RV-12iS 01-22-2019, 07:15 PM
Replies: 8
Views: 984
Posted By RFSchaller
Iím on my third EGT probe at 816 hr TTAF. The...

Iím on my third EGT probe at 816 hr TTAF. The first one failed at about 260 hours. Second was a faulty replacement part that was bad from the day I put it in. The third has over 650 hours on it. The...
Forum: RV-12/RV-12iS 01-19-2019, 08:01 PM
Replies: 16
Views: 2,545
Posted By RFSchaller
Or just rivet on a conventional trim tab after...

Or just rivet on a conventional trim tab after certification like I did. I also put them on the flaperons. Old school, but makes adjustments easy.
Forum: RV-12/RV-12iS 01-17-2019, 11:23 AM
Replies: 16
Views: 2,280
Posted By RFSchaller
With regard to the back window I would agree that...

With regard to the back window I would agree that the newer molded one will probably last for the life of the plane, but the older flat lexan windows had a fair amount of residual stress due to...
Forum: RV-12/RV-12iS 01-13-2019, 03:22 PM
Replies: 16
Views: 2,280
Posted By RFSchaller
My frame was a good fit. The fiber glass may be...

My frame was a good fit. The fiber glass may be intimidating to a beginner, but after you realize you can always sand it down and start over youíll see it is probably one of the most forgiving...
Forum: RV-12/RV-12iS 01-13-2019, 03:15 PM
Replies: 7
Views: 1,607
Posted By RFSchaller
Good idea, Ron!

Good idea, Ron!
Forum: RV-12/RV-12iS 01-08-2019, 10:01 PM
Replies: 17
Views: 2,354
Posted By RFSchaller
I have some concern in my Cherokee because it has...

I have some concern in my Cherokee because it has a heat muff around the exhaust, but less about my RV-12 due to the radiator heater. Having said that I did pick up a couple of CO monitors on Amazon....
Forum: RV-12/RV-12iS 01-07-2019, 07:03 PM
Replies: 30
Views: 6,499
Posted By RFSchaller
A technique I learned from the Yak 52 I had was...

A technique I learned from the Yak 52 I had was not to drag a brake, but use a series of short taps on the brake. I use that method for all but tight taxi turns and stop the turn by applying the...
Forum: RV-12/RV-12iS 01-07-2019, 06:55 PM
Replies: 33
Views: 4,388
Posted By RFSchaller
There are definitely two opposing strategies on...

There are definitely two opposing strategies on whether or not to put a switch on the electric fuel pump. I doubt either camp will convince the other. We should all just agree to disagree and move on.
Forum: RV-12/RV-12iS 01-01-2019, 07:24 PM
Replies: 7
Views: 1,607
Posted By RFSchaller
Thatís about twice what mine is at 1/16Ē or less....

Thatís about twice what mine is at 1/16Ē or less. I figure I might be able to put rubber U channel on it, but it would be tight.
Forum: RV-12/RV-12iS 12-31-2018, 07:00 PM
Replies: 39
Views: 5,680
Posted By RFSchaller
I did what Jim did and used flexible translucent...

I did what Jim did and used flexible translucent tubing. Although the shape of the tank isnít a uniform cube I found that once youíre past the sloped tank floor it was pretty much one gallon to the...
Forum: RV-12/RV-12iS 12-29-2018, 07:10 PM
Replies: 16
Views: 2,961
Posted By RFSchaller
Mark check your PMs. There are at least three...

Mark check your PMs. There are at least three other RV-12s on the field.

Rich
Forum: RV-12/RV-12iS 12-29-2018, 07:05 PM
Replies: 53
Views: 10,494
Posted By RFSchaller
I have the same issue with the float hitting the...

I have the same issue with the float hitting the upper stop at 17 gallons. You could always bend the float wire to read 20 gal at the top of the tank, but I prefer to have accurate level indication...
Forum: RV-12/RV-12iS 12-29-2018, 06:57 PM
Replies: 6
Views: 1,075
Posted By RFSchaller
My old high school friend is about 6í2Ē. When he...

My old high school friend is about 6í2Ē. When he flies with me he pulls the wedge out that goes under the seat cushion and that seems to work.
Forum: RV-12/RV-12iS 12-29-2018, 10:24 AM
Replies: 16
Views: 2,256
Posted By RFSchaller
I used commercial drill bits and picked one that...

I used commercial drill bits and picked one that made a hole that allowed the machine screw to turn freely (no stress on the plex from an interference fit). The biggest thing to prevent plex cracking...
Forum: RV-12/RV-12iS 12-27-2018, 08:45 PM
Replies: 13
Views: 1,403
Posted By RFSchaller
Iím with Jim. The designs are similar enough that...

Iím with Jim. The designs are similar enough that I think both groups of builders can learn valuable lessons from each other.
Forum: RV-12/RV-12iS 12-27-2018, 08:39 PM
Replies: 53
Views: 10,494
Posted By RFSchaller
Talking You mean I may have been right!? ó- Well even...

You mean I may have been right!? ó- Well even this blind squirrel occasionally gets a nut!:D
Forum: RV-12/RV-12iS 12-26-2018, 09:45 AM
Replies: 33
Views: 4,388
Posted By RFSchaller
I have a switch. The lowest Iíve seen without...

I have a switch. The lowest Iíve seen without cavitation on just the mechanical pump is just above 3 psi. With cavitation in hot Phoenix summers fuel pressure has taken a nosedive, but recovered to...
Forum: RV-12/RV-12iS 12-26-2018, 09:44 AM
Replies: 33
Views: 4,388
Posted By RFSchaller
I have a switch. The lowest Iíve seen without...

I have a switch. The lowest Iíve seen without cavitation on just the mechanical pump is just above 3 psi. With cavitation in hot Phoenix summers fuel pressure has taken a nosedive, but recovered to...
Forum: RV-12/RV-12iS 12-24-2018, 09:34 PM
Replies: 10
Views: 1,574
Posted By RFSchaller
Back when I had a Yak-52 I remember reading about...

Back when I had a Yak-52 I remember reading about one guy who made an oil tank out of 4Ē PVC pipe and used a DC aquarium aerator pump to feed a fitting on his exhaust collector ring to make a smoke...
Forum: RV-12/RV-12iS 12-24-2018, 07:00 PM
Replies: 4
Views: 1,045
Posted By RFSchaller
If your engine is anywhere near TBO you might...

If your engine is anywhere near TBO you might just go to overhaul. If there is considerable time left you might as well bite the bullet and replace the soft start.
Forum: RV-12/RV-12iS 12-24-2018, 06:56 PM
Replies: 53
Views: 10,494
Posted By RFSchaller
If at 5 years or 500 hours Iíd replace regardless...

If at 5 years or 500 hours Iíd replace regardless of indications since thatís the recommendation. The hi flow and low pressure sounds like vapor bubbles in your fuel line. How old was the fuel you...
Forum: RV-12/RV-12iS 12-24-2018, 06:51 PM
Replies: 8
Views: 992
Posted By RFSchaller
I finished tuning my AP today. I left he pitch...

I finished tuning my AP today. I left he pitch torque at 45% and roll at 30%. That minimized any slippage and hopefully will preserve my shear screws until I get around to replacing them.
Forum: RV-12/RV-12iS 12-23-2018, 06:55 PM
Replies: 8
Views: 992
Posted By RFSchaller
Bob, There was also a supplement Dynon put out...

Bob,

There was also a supplement Dynon put out on how to adjust the servo gain if the sensitivity canít get the desired effect. It was on a yellow sheet separate from the install manual. If you...
Forum: RV-12/RV-12iS 12-22-2018, 10:29 PM
Replies: 16
Views: 2,256
Posted By RFSchaller
Again ditto. I fit my canopy with the tail cone...

Again ditto. I fit my canopy with the tail cone off.
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