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Search: Posts Made By: RFSchaller
Forum: RV-12/RV-12iS Yesterday, 10:18 PM
Replies: 7
Views: 1,684
Posted By RFSchaller
Wow, guess I should have read closer! Oh well,...

Wow, guess I should have read closer! Oh well, every blog needs at least one crazy uncle character! Glad to be of use!😝
Forum: RV-12/RV-12iS Yesterday, 10:06 PM
Replies: 8
Views: 752
Posted By RFSchaller
In the early 90s I had about 1,000 hours total...

In the early 90s I had about 1,000 hours total time with no HP/Complex sign off. I bought a Yak 52. My choices were $2,000 a year for liability and hull coverage or $300 for just liability. At the...
Forum: RV-12/RV-12iS 12-10-2019, 10:18 PM
Replies: 7
Views: 1,684
Posted By RFSchaller
Iíve never missed the ability to prime. The only...

Iíve never missed the ability to prime. The only hard starting I ever experienced was when a shop swapped my right and left ďchokeĒ assemblies, and when I tried a cold start without ďchokeĒ.
Forum: RV-12/RV-12iS 11-21-2019, 08:23 PM
Replies: 11
Views: 1,099
Posted By RFSchaller
Larry, that was my thought too, but you...

Larry, that was my thought too, but you articulated better than me.

Rich
Forum: RV-12/RV-12iS 11-19-2019, 10:21 PM
Replies: 11
Views: 1,099
Posted By RFSchaller
From what I remember from the Rotax course the...

From what I remember from the Rotax course the imbalance issue is most critical at low RPM where the butterfly valves in the carburetors are nearly shut. Once you exceed about 3500 RPM the...
Forum: RV-12/RV-12iS 11-19-2019, 10:12 PM
Replies: 30
Views: 2,543
Posted By RFSchaller
The SLSA repairman course is 120 hours. The ELSA...

The SLSA repairman course is 120 hours. The ELSA course is 16 hours. You still have to apply to the FAA for the certificate based on the course completion.
Forum: RV-12/RV-12iS 11-18-2019, 10:18 PM
Replies: 10
Views: 1,153
Posted By RFSchaller
Have you thought about Teflon tape?

Have you thought about Teflon tape?
Forum: RV-12/RV-12iS 11-18-2019, 10:17 PM
Replies: 11
Views: 1,099
Posted By RFSchaller
Dave, I thought the same thing, but then I...

Dave,

I thought the same thing, but then I thought if the imbalance was bad enough to cause rough running the balance tube capacity is being exceeded so if taps were properly placed it should show...
Forum: RV-12/RV-12iS 11-18-2019, 07:49 PM
Replies: 15
Views: 1,284
Posted By RFSchaller
Bob, Itís easy to do a few known weight checks...

Bob,

Itís easy to do a few known weight checks in the 150-300 lb range if you are that concerned.

Rich
Forum: RV-12/RV-12iS 11-17-2019, 08:12 PM
Replies: 15
Views: 1,284
Posted By RFSchaller
ďReadingĒ not ďearringĒ. Donít ya love...

ďReadingĒ not ďearringĒ. Donít ya love spellcheck!🧐
Forum: RV-12/RV-12iS 11-17-2019, 08:11 PM
Replies: 15
Views: 1,284
Posted By RFSchaller
I used bathroom scales. I had three and took...

I used bathroom scales. I had three and took three readings rotating the scales so that I had one earring from each scale at each wheel. Then I averaged the three readings at each position for the...
Forum: RV-12/RV-12iS 11-16-2019, 10:36 PM
Replies: 10
Views: 1,021
Posted By RFSchaller
I think Joe makes a good point. The regs make it...

I think Joe makes a good point. The regs make it pretty clear, but from an engineering standpoint the threaded shank that extends beyond the nutplate doesnít do anything for you. License it and then...
Forum: RV-12/RV-12iS 11-12-2019, 09:26 PM
Replies: 14
Views: 2,037
Posted By RFSchaller
Recently I was chasing an erratic oil pressure...

Recently I was chasing an erratic oil pressure indication. I replaced the sensor and the oil pressure regulator poppet. I finally ended up replacing the sensor lead between the sensor and firewall to...
Forum: RV-12/RV-12iS 11-10-2019, 04:42 PM
Replies: 16
Views: 2,434
Posted By RFSchaller
Thanks, Joe.

Thanks, Joe.
Forum: RV-12/RV-12iS 11-10-2019, 04:37 PM
Replies: 7
Views: 674
Posted By RFSchaller
Did you bend the float wire so that the float...

Did you bend the float wire so that the float touches the tank bottom when it hits the mechanical stop? Mine touches the tank bottom when it hits the lower stop, so it hits the upper mechanical stop...
Forum: RV-12/RV-12iS 11-10-2019, 04:31 PM
Replies: 8
Views: 887
Posted By RFSchaller
I have the same issue because I extended the...

I have the same issue because I extended the fiberglass canopy trim to cover the cavity where the canopy bolts attach. If done exactly as shown in the plans you will have access, but I opted for a...
Forum: RV-12/RV-12iS 11-09-2019, 08:49 PM
Replies: 16
Views: 2,434
Posted By RFSchaller
Scott, Iíve never heard of cavitation in a...

Scott, Iíve never heard of cavitation in a positive displacement pump. Iíd like to dig into that just for my own personal education. Is there a Rotax document that talks about that?

Rich
Forum: RV-12/RV-12iS 11-09-2019, 08:41 PM
Replies: 9
Views: 1,660
Posted By RFSchaller
I think ballistic parachutes and auto land are...

I think ballistic parachutes and auto land are great safety advances, but I do worry about buttons I donít want passengers to mess with. I worked in the management of nuclear power plants for 35...
Forum: RV-12/RV-12iS 11-09-2019, 08:34 PM
Replies: 8
Views: 1,202
Posted By RFSchaller
Have you tried Harbor Freight or Amazon?

Have you tried Harbor Freight or Amazon?
Forum: RV-12/RV-12iS 10-31-2019, 07:01 PM
Replies: 9
Views: 1,649
Posted By RFSchaller
Why are you using Loctite? The lock huts should...

Why are you using Loctite? The lock huts should be adequate. Are you using it on the crash arch? I Have had the crash arch fillet head screws back out some.
Forum: RV-12/RV-12iS 10-29-2019, 08:12 PM
Replies: 8
Views: 1,314
Posted By RFSchaller
I just filled mine with RTV to prevent corrosion.

I just filled mine with RTV to prevent corrosion.
Forum: RV-12/RV-12iS 10-29-2019, 12:10 AM
Replies: 5
Views: 890
Posted By RFSchaller
I have had one or two screws back out and catch...

I have had one or two screws back out and catch the stabilator skin edge. Picked them up on preflight and a few turns on the screws fixed the problem. If you havenít loctited the stabilator bearings...
Forum: RV-12/RV-12iS 10-29-2019, 12:03 AM
Replies: 20
Views: 2,301
Posted By RFSchaller
I love my trusty Cherokee 180 that Iíve owned 34...

I love my trusty Cherokee 180 that Iíve owned 34 years, and it has much more drag than my 12. It was a real adjustment for me to realize that applying full flaps in the 12 did not act like speed...
Forum: RV-12/RV-12iS 10-27-2019, 09:27 PM
Replies: 5
Views: 890
Posted By RFSchaller
I rimmed the stabilator skin edge by about 1/8Ē...

I rimmed the stabilator skin edge by about 1/8Ē and have had no issues.
Forum: RV-12/RV-12iS 10-27-2019, 09:25 PM
Replies: 24
Views: 4,128
Posted By RFSchaller
Iíll have to try the experiment again ó the...

Iíll have to try the experiment again ó the string blew off as I started my takeoff roll!
Forum: RV-12/RV-12iS 10-27-2019, 09:20 PM
Replies: 9
Views: 1,649
Posted By RFSchaller
I replaced my back widow with the molded version....

I replaced my back widow with the molded version. A bit pricey, but no more cracks. You could try stop drilling the branches and filling the holes with clear RTV, but eventually youíll probably have...
Forum: RV-12/RV-12iS 10-27-2019, 09:15 PM
Replies: 20
Views: 2,301
Posted By RFSchaller
Mine idles about 1750 on the ground and presents...

Mine idles about 1750 on the ground and presents no issues with floating in the flare.
Forum: RV-12/RV-12iS 10-24-2019, 08:58 PM
Replies: 4
Views: 1,296
Posted By RFSchaller
Point of clarification: two hours to install and...

Point of clarification: two hours to install and set the pitch, Then dynamic balance on top of that.
Forum: RV-12/RV-12iS 10-23-2019, 09:39 PM
Replies: 24
Views: 4,128
Posted By RFSchaller
Hadnít thought about the prop wash effect, Carl....

Hadnít thought about the prop wash effect, Carl. Iíll have to try it this weekend and see how much it affects the string. I wonder if putting one on the wing would be far enough out of the prop wash....
Forum: RV-12/RV-12iS 10-23-2019, 11:42 AM
Replies: 3
Views: 819
Posted By RFSchaller
Itís a pretty forgiving process. You can always...

Itís a pretty forgiving process. You can always sand off your boo-boos and lay down a new layer of glass and resin. It seems much more mystical than it really is.
Forum: RV-12/RV-12iS 10-23-2019, 11:39 AM
Replies: 4
Views: 1,296
Posted By RFSchaller
Itís a pretty simple process, so you would have...

Itís a pretty simple process, so you would have no problem doing it yourself, but a competent A&P should take no more than 2 hours to set it up. I paid about $160 for dynamic balancing. In my area...
Forum: RV-12/RV-12iS 10-22-2019, 09:11 PM
Replies: 9
Views: 1,492
Posted By RFSchaller
I carry two of my used plugs in my on-the-road...

I carry two of my used plugs in my on-the-road bag of spare parts just in case. Thatís how I make use of the old ones.
Forum: RV-12/RV-12iS 10-21-2019, 09:29 PM
Replies: 9
Views: 1,492
Posted By RFSchaller
I replace all mine with new every annual. The...

I replace all mine with new every annual. The originals are cheap enough I donít even think twice about it. If the price goes up I might reconsider that practice.
Forum: RV-12/RV-12iS 10-20-2019, 10:42 PM
Replies: 8
CHT
Views: 1,022
Posted By RFSchaller
I love my D180/D100 combo, but in 7 years and...

I love my D180/D100 combo, but in 7 years and almost 1000 hours Iíve gone through 3 EGT probes, 1 oil pressure probe, and an 1 EMS card. Seems like a lot considering Iíve put 3000 hours on my...
Forum: RV-12/RV-12iS 10-20-2019, 10:35 PM
Replies: 2
Views: 888
Posted By RFSchaller
I bought automotive 5/8Ē heater hose and a molded...

I bought automotive 5/8Ē heater hose and a molded elbow to replace mine. The specs were something like 350F and 50 psi on them, and I found them online at an auto racing shop.
Forum: RV-12/RV-12iS 10-20-2019, 10:30 PM
Replies: 24
Views: 4,128
Posted By RFSchaller
Try taping a piece of string to your canopy to...

Try taping a piece of string to your canopy to act as a yaw string. If it is straight along the longitudinal axis and the ball is centered in flight it is rigged properly.

I wish I could claim I...
Forum: RV-12/RV-12iS 10-20-2019, 10:22 PM
Replies: 7
Views: 1,209
Posted By RFSchaller
As I recall ROTAX allows up to 300 RPM drop with...

As I recall ROTAX allows up to 300 RPM drop with a delta of 115 RPM, so your numbers would be within limits, but in almost 1000 hours and 7 years I have never seen greater than 100 RPM drop and a...
Forum: RV-12/RV-12iS 10-11-2019, 08:31 PM
Replies: 7
Views: 1,029
Posted By RFSchaller
I had an exhaust pipe shear on my first home...

I had an exhaust pipe shear on my first home built, a WAR FW-190. It was a lousy design with too much unsupported weight cantilevered at the end. When it broke the exhaust impinged directly on the...
Forum: RV-12/RV-12iS 10-08-2019, 12:08 AM
Replies: 7
Views: 1,274
Posted By RFSchaller
My interior is grey except for the flat black...

My interior is grey except for the flat black glare shield, so it blended in just fine.
Forum: RV-12/RV-12iS 10-07-2019, 11:51 AM
Replies: 7
Views: 1,274
Posted By RFSchaller
If youíre talking about the seeing the back side...

If youíre talking about the seeing the back side of the fiberglass through the canopy plex I just masked off the canopy and spray painted the inside surface of the canopy to cover the area behind the...
Forum: RV-12/RV-12iS 09-30-2019, 10:04 PM
Replies: 22
Views: 5,380
Posted By RFSchaller
Your finger nails are tougher than mine, Warren!😁

Your finger nails are tougher than mine, Warren!😁
Forum: RV-12/RV-12iS 09-26-2019, 08:24 PM
Replies: 22
Views: 2,913
Posted By RFSchaller
I think later RV12s eliminated the direct...

I think later RV12s eliminated the direct connection to the battery for the 12V outlet.
Forum: RV-12/RV-12iS 09-22-2019, 11:36 PM
Replies: 11
Views: 1,266
Posted By RFSchaller
I use automotive antisieze paste. Silver colored...

I use automotive antisieze paste. Silver colored stuff. After 900 hours no issues.
Forum: RV-12/RV-12iS 09-22-2019, 11:33 PM
Replies: 1
Views: 480
Posted By RFSchaller
I confess that when it came on that point in my...

I confess that when it came on that point in my build I elected to trust the mothershipís design and blew it off. Trust that has been rewarded not only in this but every phase of the build. Vans made...
Forum: RV-12/RV-12iS 09-21-2019, 05:07 PM
Replies: 10
Views: 2,546
Posted By RFSchaller
If it makes you feel any better: on my first two...

If it makes you feel any better: on my first two annuals I found a couple of rivets that I had missed. One was really annoying because it was on top of the fuselage behind the window in plain sight,...
Forum: RV-12/RV-12iS 09-19-2019, 09:00 PM
Replies: 3
Views: 1,271
Posted By RFSchaller
Are RV-12 keys interchangeable between aircraft?...

Are RV-12 keys interchangeable between aircraft? Iím glad I installed a canopy lock!😱
Forum: RV-12/RV-12iS 09-19-2019, 08:57 PM
Replies: 10
Views: 1,489
Posted By RFSchaller
Mike, was the 15,000í DA? Iíve Clawed my way to...

Mike, was the 15,000í DA? Iíve Clawed my way to about 13,500í DA with 12,500í indicated on a cold winter day.
Forum: RV-12/RV-12iS 09-19-2019, 08:45 PM
Replies: 10
Views: 2,546
Posted By RFSchaller
If the parts arenít deformed Iíd mutter a few...

If the parts arenít deformed Iíd mutter a few choice epithets, install the rivets and move on.
Forum: RV-12/RV-12iS 09-19-2019, 08:40 PM
Replies: 7
Views: 1,527
Posted By RFSchaller
Like Turner said. Once I balanced my nosewheel my...

Like Turner said. Once I balanced my nosewheel my shudder went away. I got over 500 hrs on my first set of tires and wear was pretty even which really surprised me given the way the plane sits on its...
Forum: RV-12/RV-12iS 09-19-2019, 08:23 PM
Replies: 11
Views: 1,905
Posted By RFSchaller
Thatís a good price, Jim. Iím paying $3.26/gallon...

Thatís a good price, Jim. Iím paying $3.26/gallon for unleaded premium her in Phoenix.
Forum: RV-12/RV-12iS 09-12-2019, 09:33 PM
Replies: 178
Views: 27,720
Posted By RFSchaller
Dale, Whatís your engine total time? If itís...

Dale,

Whatís your engine total time? If itís less than 500 I can see how you could go 100 hrs on an oil change, but after that my oil was pretty brown at 50 hr intervals.

Rich
Forum: RV-12/RV-12iS 09-08-2019, 09:59 PM
Replies: 16
Views: 2,020
Posted By RFSchaller
I use Bose A20 headsets, and find the noise level...

I use Bose A20 headsets, and find the noise level with them on is fine.
Forum: RV-12/RV-12iS 09-08-2019, 09:51 PM
Replies: 21
Views: 2,619
Posted By RFSchaller
Dennis, Spotting a low tire is pretty easy, so...

Dennis,

Spotting a low tire is pretty easy, so my issue was access to add air. Access ports work, but you end up jockeying the aircraft back and forth to get the stem aligned with the port, and you...
Forum: RV-12/RV-12iS 09-06-2019, 10:08 PM
Replies: 13
Views: 1,513
Posted By RFSchaller
I didnít really see much drop in speed without...

I didnít really see much drop in speed without the wheel pants. Maybe a couple of knots, but I didnít measure exactly. The pants look great, but in my opinion the aesthetics arenít worth the added...
Forum: RV-12/RV-12iS 09-06-2019, 10:01 PM
Replies: 2
Views: 694
Posted By RFSchaller
At my first coolant hose change I replaced as...

At my first coolant hose change I replaced as many of the hose clamps as could with screw type. There were a few where I had to reuse the spring type due to accessibility issues. I know why spring...
Forum: RV-12/RV-12iS 09-05-2019, 10:26 PM
Replies: 13
Views: 1,513
Posted By RFSchaller
Itís been over a year since I put he new fork on,...

Itís been over a year since I put he new fork on, but I donít recall any issues fitting the fork or wheel pants. I eventually pulled the wheel pants off to simplify maintaining tire pressure.
Forum: RV-12/RV-12iS 09-05-2019, 10:20 PM
Replies: 7
Views: 974
Posted By RFSchaller
2022 is my ten year replacement. I already did...

2022 is my ten year replacement. I already did the TS Flightline fuel hose replacement to get rid of that time-limited replacement, and if they have a lifetime replacement for coolant and oil in 2022...
Forum: RV-12/RV-12iS 09-04-2019, 09:49 PM
Replies: 7
Views: 974
Posted By RFSchaller
I used 5/8Ē heater hose after looking at the hose...

I used 5/8Ē heater hose after looking at the hose specs. One hose from the cylinder to the coolant header tank required a pre-molded right angle. The radiator hose was also an automotive hose. I...
Forum: RV-12/RV-12iS 09-04-2019, 09:40 PM
Replies: 13
Views: 2,176
Posted By RFSchaller
I just used a really sharp scissors from a fabric...

I just used a really sharp scissors from a fabric store. Never had any issues cutting fiberglass. I once tried to use Kevlar cloth but gave up trying to cut it.
Forum: RV-12/RV-12iS 08-30-2019, 10:43 PM
Replies: 14
Views: 2,037
Posted By RFSchaller
Mike, I reseated all the connectors and used...

Mike,

I reseated all the connectors and used electrical cleaner on each connector before I sent my D180 in for repair. Dirty connectors are an easy assumption, but not necessarily the right...
Forum: RV-12/RV-12iS 08-30-2019, 10:34 PM
Replies: 2
Views: 793
Posted By RFSchaller
From the ROTAX course it appears the only think...

From the ROTAX course it appears the only think special about4000 RPM is to be at a high enough RPM where carb imbalance is not a issue for rough running.
Forum: RV-12/RV-12iS 08-30-2019, 10:30 PM
Replies: 15
Views: 3,183
Posted By RFSchaller
EAA offers a weekend course teaching the basics...

EAA offers a weekend course teaching the basics of RV building ó- mostly rudimentary riveting skills.i found it very useful having built only fiberglass an tube-and-rag previously.
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