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Search: Posts Made By: Piper J3
Forum: RV-12/RV-12iS 10-17-2021, 09:30 PM
Replies: 22
Views: 1,857
Posted By Piper J3
Thought maybe he was Prof. Harold Hill - River...

Thought maybe he was Prof. Harold Hill - River City, Iowa... Graduated Gary Conservatory Class of '05.
Forum: RV-12/RV-12iS 10-17-2021, 10:53 AM
Replies: 22
Views: 1,857
Posted By Piper J3
Harold Hill... Boy's Bands?

Harold Hill... Boy's Bands?
Forum: RV-12/RV-12iS 10-14-2021, 01:07 AM
Replies: 13
Views: 1,205
Posted By Piper J3
VA-110 Flap Knob -

VA-110 Flap Knob
-
Forum: RV-12/RV-12iS 10-12-2021, 07:00 AM
Replies: 13
Views: 1,481
Posted By Piper J3
Take a small piece of sheet cork (maybe 1/8"...

Take a small piece of sheet cork (maybe 1/8" thickness) and place on shop-side of rivet. As you start to squeeze the cork will draw up the assembly before the rivet starts to deform. The cork will...
Forum: RV-12/RV-12iS 10-09-2021, 08:42 AM
Replies: 7
Views: 567
Posted By Piper J3
I guess that's possible on front wheel which has...

I guess that's possible on front wheel which has ball bearings.

Main wheels have tapper roller bearings and nothing can fall out if seal fails. Taper rollers are virtually indestructible.
Forum: RV-12/RV-12iS 10-09-2021, 07:39 AM
Replies: 7
Views: 567
Posted By Piper J3
Explain what you mean "Wheel Bearings went Bad" ...

Explain what you mean "Wheel Bearings went Bad"

How did you diagnose problem?

Very unusual for taper roller bearings to have problem...
Forum: RV-12/RV-12iS 10-07-2021, 02:12 AM
Replies: 18
Views: 1,579
Posted By Piper J3
Expanded Scale for Trim Indicator

I have set up my trim indicator as an expanded scale. Instead of showing the entire range of trim servo, I have set the end points to show only the portion of the trim corresponding to the flight...
Forum: Traditional Aircraft Engines 10-05-2021, 03:44 PM
Replies: 11
Views: 946
Posted By Piper J3
Ty-Rap® Thomas & Betts is my choice due to its...

Ty-Rap® Thomas & Betts is my choice due to its exceptional durability, strength, natural nylon, and stainless steel locking mechanism.
-
Forum: Places To Fly...Things to See...Things to Eat 10-03-2021, 07:07 AM
Replies: 0
Views: 200
Posted By Piper J3
My Place (3OH7) Cardington, OH Sunday Oct 10

This is the best Fly-in ever...

https://www.facebook.com/MyPlaceFarmAirStripCardingtonOH/
Forum: RV-12/RV-12iS 10-02-2021, 02:07 AM
Replies: 30
Views: 4,165
Posted By Piper J3
The internal oil filter bypass valve is designed...

The internal oil filter bypass valve is designed to prevent damage to the spin-on filter itself. If oil flow through the filter element is restricted the bypass valve opens to prevent...
Forum: RV-12/RV-12iS 10-01-2021, 01:34 PM
Replies: 5
Views: 628
Posted By Piper J3
Yes, open wheel fairings for 1/2” clearance all...

Yes, open wheel fairings for 1/2” clearance all the way around. TPM is BARTUN - $42 Amazon, but other manufacturers are same. TPM only used on main tires. Insufficient clearance for nose wheel. ...
Forum: RV-12/RV-12iS 10-01-2021, 06:35 AM
Replies: 5
Views: 628
Posted By Piper J3
Tire Wear...

I removed wheel fairings to install new brake pads yesterday and was pleasantly surprised to see very little wear on tires which now have 200 flight hours. I fly off of grass strip but lots of...
Forum: RV-12/RV-12iS 09-30-2021, 01:09 AM
Replies: 13
Views: 1,858
Posted By Piper J3
Check......

Check... https://legacy.rotaxowner.com/si_tb_info/serviceletter/sl-912-025.pdf
Forum: RV-12/RV-12iS 09-30-2021, 01:00 AM
Replies: 30
Views: 4,165
Posted By Piper J3
All this talk about the oil bypassing the filter...

All this talk about the oil bypassing the filter when cold… Where is the harm in that? So, the oil bypasses the filter for a few minutes to improve circulation when oil is cold and engine is...
Forum: RV-12/RV-12iS 09-28-2021, 06:03 PM
Replies: 30
Views: 4,165
Posted By Piper J3
I routinely run my engine at 2500-2800 RPM at...

I routinely run my engine at 2500-2800 RPM at startup. Engine runs smooth at this speed while warming up from a cold start, and at this speed, the engine is not making much power. Smooth engine run...
Forum: RV-12/RV-12iS 09-28-2021, 04:36 PM
Replies: 30
Views: 4,165
Posted By Piper J3
Just one slight correction for above post. Oil...

Just one slight correction for above post. Oil hoses are teflon lined and are very rigid. I doubt that lines would collapse with vacuum. Also, oil tank is elevated above inlet port of oil pump so...
Forum: RV-12/RV-12iS 09-27-2021, 09:50 AM
Replies: 8
Views: 1,353
Posted By Piper J3
So, I’m trying to find exact Sparkplug Cap for...

So, I’m trying to find exact Sparkplug Cap for 912ULS. It appears that Rotax uses NGK brand but assigns an internal PN.

From what I see the cap is 120 degree angle rubber boot. What I don’t know...
Forum: RV-12/RV-12iS 09-26-2021, 05:50 PM
Replies: 8
Views: 1,353
Posted By Piper J3
Spark Plug Wire Fell Off In Flight…

This is weird....

Three years ago, I was diagnosing a rough running engine and replaced all eight spark plug caps thinking, at the time, maybe the 5 ohm resistor in one or more of the caps was...
Forum: RV-12/RV-12iS 09-21-2021, 05:07 PM
Replies: 17
Views: 3,069
Posted By Piper J3
I have looked at the 12iS, and especially the...

I have looked at the 12iS, and especially the fuel plumbing behind the rear baggage bulkhead, wondering how an old man like me would service something like that.

I guess I’ll be happy with my...
Forum: RV-12/RV-12iS 09-20-2021, 11:46 AM
Replies: 2
Views: 535
Posted By Piper J3
I had been in communication with technical...

I had been in communication with technical support at Flightcom about muting the 403 intercom per above posts. Today I rec’d a phone call from a tech representative that is very familiar with the...
Forum: RV-12/RV-12iS 09-13-2021, 11:53 AM
Replies: 13
Views: 1,858
Posted By Piper J3
I would caution against using a woven fiberglass...

I would caution against using a woven fiberglass cloth for wrapping the muffler. I used high-temp wrap on the right front exhaust tube with the thought of shielding the oil line that passes through...
Forum: RV-12/RV-12iS 09-13-2021, 11:37 AM
Replies: 13
Views: 1,858
Posted By Piper J3
Any chance of posting some photos? I'm curious...

Any chance of posting some photos? I'm curious what type of wrap you put on the muffler...
Forum: RV-12/RV-12iS 09-13-2021, 10:19 AM
Replies: 2
Views: 535
Posted By Piper J3
Flightcom 403 Intercom Muting…

I bought my RV-12 from original builder six years ago. My plane is an early SN with D180 instrumentation, SL40 Comm, and 403 Intercom.

Recently I have experimented with the Isolate/All switch on...
Forum: RV-12/RV-12iS 09-13-2021, 10:05 AM
Replies: 4
Views: 743
Posted By Piper J3
Don't know about Triple Tree, but I've been...

Don't know about Triple Tree, but I've been flying my 12 with wheel pants off of private grass strip for six years with no problems...
Forum: RV-12/RV-12iS 09-10-2021, 06:34 PM
Replies: 5
Views: 570
Posted By Piper J3
Coolant Loss…

I notice a slight decline in coolant level in the overflow tank – maybe 1/16” to 1/8” change in level over 20 hours operation. I have removed cowling and looked for leak and found none. At end of...
Forum: COMM 09-08-2021, 10:46 PM
Replies: 12
Views: 766
Posted By Piper J3
Actual problem was stuck stall switch. Pulling...

Actual problem was stuck stall switch. Pulling audio fuse isolated the problem...
Forum: COMM 09-08-2021, 10:24 AM
Replies: 12
Views: 766
Posted By Piper J3
The problem is fixed. My friend – 83 YO Navy...

The problem is fixed. My friend – 83 YO Navy Crew Chief on A4 Skyhawk’s on two Aircraft Carriers (USN ’58 and ’59) found the problem. He suggested that something external to the radio was the...
Forum: COMM 09-07-2021, 02:44 AM
Replies: 12
Views: 766
Posted By Piper J3
Question - Can I disconnect the antenna coax at...

Question - Can I disconnect the antenna coax at the back of the tray and power radio for a test? I won't push Tx button. Does this make sense to try?
Forum: COMM 09-06-2021, 05:33 PM
Replies: 12
Views: 766
Posted By Piper J3
I was thinking about running a "test coax" from...

I was thinking about running a "test coax" from radio tray to belly antenna kind of externally – just in the hanger for a test. I know radio has to have antenna for load. What coax designation...
Forum: COMM 09-06-2021, 05:13 PM
Replies: 12
Views: 766
Posted By Piper J3
No, radio worked flawlessly for 3+ years.

No, radio worked flawlessly for 3+ years.
Forum: COMM 09-06-2021, 04:49 PM
Replies: 12
Views: 766
Posted By Piper J3
Need Help w/ Squeal - Garmin GTR200 in RV-12

We have a four year old RV-12 built by Synergy in Eugene, OR. Airplane has dual HDX, autopilot, ADSB-in/out, Lightspeed Zulu3 headset. No problems until a few months ago when Comm radio started...
Forum: RV-12/RV-12iS 09-06-2021, 12:58 PM
Replies: 8
Views: 869
Posted By Piper J3
The John Deere Voltage Regulator AM101406 that...

The John Deere Voltage Regulator AM101406 that failed is mounted in original position on the firewall shelf. When I installed this VR to replace the Ducati that failed at 100TT, I added a thick...
Forum: RV-12/RV-12iS 09-05-2021, 12:20 PM
Replies: 8
Views: 869
Posted By Piper J3
Right, I bought my RV-12 from original builder...

Right, I bought my RV-12 from original builder and now find some of the EMS presets are incorrect. I just finished putting correct values in, and as you point out, I should now get correct early...
Forum: RV-12/RV-12iS 09-05-2021, 12:00 PM
Replies: 8
Views: 869
Posted By Piper J3
Outstanding… I just replaced the John Deere...

Outstanding… I just replaced the John Deere AM101406 with spare that I carry in the baggage compartment. All good with 13.9 V in cruise flight.

I think the old JD VR took a dump and then proceeded...
Forum: RV-12/RV-12iS 09-05-2021, 07:44 AM
Replies: 8
Views: 869
Posted By Piper J3
Thanks Joe. Raining today, so I'll check again...

Thanks Joe. Raining today, so I'll check again for bad connections / corrosion and then probably replace VR with spare JD unit I keep in baggage compartment travel kit. Weather tomorrow is looking...
Forum: RV-12/RV-12iS 09-04-2021, 02:35 PM
Replies: 8
Views: 869
Posted By Piper J3
Charging Over Voltage D-180

Original battery from 2012 (700TT) was getting weak so I bought new Odyssey PC-680 and installed yesterday. Flew 2.5 today and had overvoltage warning. I have dual screen D180 and John Deere VR...
Forum: RV-12/RV-12iS 08-29-2021, 07:38 AM
Replies: 13
Views: 1,583
Posted By Piper J3
Telecoil was originally developed for hearing...

Telecoil was originally developed for hearing aids to improve sound quality when using land-line telephones; hence, the name Telecoil. Now with Bluetooth cell phones, the audio is “streamed”...
Forum: RV-12/RV-12iS 08-28-2021, 12:27 PM
Replies: 13
Views: 1,583
Posted By Piper J3
I forgot to mention in post #1 above that...

I forgot to mention in post #1 above that Telecoil program can also be adjusted for frequency equalization just like the normal hearing program and TV streaming program.

Such things they have...
Forum: RV-12/RV-12iS 08-27-2021, 03:43 PM
Replies: 13
Views: 1,583
Posted By Piper J3
Sure… Philips Brand HearLink 9010 miniRITE...

Sure…

Philips Brand HearLink 9010 miniRITE T
Purchased at Costco - Mar 2019

The key is a digital hearing aid with multiple programs selectable by Bluetooth cell phone. Hearing aid needs to have...
Forum: RV-12/RV-12iS 08-25-2021, 07:30 PM
Replies: 13
Views: 1,583
Posted By Piper J3
Using Headset with Hearing Aids…

I posted this about a year ago in VAF > Main > RV General Discussion > Deaf Pilots. I’d like to post here in the RV-12 thread if moderators will allow - reason is many Light Sport Pilots are older...
Forum: RV-12/RV-12iS 08-24-2021, 07:37 PM
Replies: 7
Views: 1,165
Posted By Piper J3
Why not continue to run existing plugs?

Why not continue to run existing plugs?
Forum: RV-12/RV-12iS 08-24-2021, 07:16 AM
Replies: 61
Views: 8,828
Posted By Piper J3
A couple of items… Make sure tail of torsion...

A couple of items…

Make sure tail of torsion spring is against the new retaining plate. It’s easy to have tail of spring misplaced – I did it. I don’t have actual photo, so I made sketch...
Forum: RV-12/RV-12iS 08-23-2021, 01:20 PM
Replies: 16
Views: 2,035
Posted By Piper J3
I would watch this... https://youtu.be/_OuNJ14RyaQ

I would watch this... https://youtu.be/_OuNJ14RyaQ
Forum: RV-12/RV-12iS 08-22-2021, 10:54 AM
Replies: 16
Views: 2,035
Posted By Piper J3
Let me be the first to join the chorus... Design...

Let me be the first to join the chorus... Design limitation for the RV-12 is Never Exceed VNE red line = 136 KTAS per POH. I suspect Van's may have very good data to back up this spec...
Forum: RV-12/RV-12iS 08-22-2021, 01:27 AM
Replies: 45
Views: 5,951
Posted By Piper J3
Yes, Bing carb floats have caused numerous...

Yes, Bing carb floats have caused numerous overflow problems and severe engine roughness – I have experienced both. To make matters worse, Bing keeps coming up with latest manufacturing revision at...
Forum: RV-12/RV-12iS 08-21-2021, 10:55 AM
Replies: 45
Views: 5,951
Posted By Piper J3
What's even more fun is to out-climb and out-run...

What's even more fun is to out-climb and out-run a C-172 any day of the week... :D
Forum: RV-12/RV-12iS 08-20-2021, 11:14 AM
Replies: 23
Views: 2,114
Posted By Piper J3
RV-12 iS SLSA KBVS. Ooops... my bad. I didn't...

RV-12 iS SLSA KBVS. Ooops... my bad. I didn't see you have S-LSA. I doubt your mechanical will add grease fitting. Modifications to S-SLA ares prohibited.
Forum: RV-12/RV-12iS 08-20-2021, 07:19 AM
Replies: 23
Views: 2,114
Posted By Piper J3
See my post #29 listed above. No disassembly...

See my post #29 listed above. No disassembly required. Drill small hole - chips will follow drill bit and be extracted during drilling process. Follow with 1/4" drill x 1/4" deep c'bore. Use a...
Forum: RV-12/RV-12iS 08-20-2021, 02:02 AM
Replies: 23
Views: 2,114
Posted By Piper J3
Breakout friction needs to set correct with...

Breakout friction needs to set correct with Belleville washers on nose strut pivot. Too much friction will prevent centering. Also, pivot bushings need to be well lubricated. It’s surprising how...
Forum: RV-12/RV-12iS 08-19-2021, 09:17 AM
Replies: 15
Views: 2,215
Posted By Piper J3
Stack tolerances and build technique can produce...

Stack tolerances and build technique can produce fore/aft wing tip movement noticed during final assembly or early-on in the flight program. It’s not too uncommon to remove rear stub spar and...
Forum: RV-12/RV-12iS 08-19-2021, 02:16 AM
Replies: 15
Views: 2,215
Posted By Piper J3
Very interesting. Thank you Scott. As always,...

Very interesting. Thank you Scott. As always, we appreciate your time and thorough explanations...
Forum: RV-12/RV-12iS 08-18-2021, 07:04 PM
Replies: 15
Views: 2,215
Posted By Piper J3
Scott – I've been thinking about this all...

Scott –

I've been thinking about this all day.... You say the highest loads on the spar stubs are an inward compression load at the forward stub. I’m trying to figure out how the forward stub sees...
Forum: RV-12/RV-12iS 08-16-2021, 10:23 AM
Replies: 3
Views: 1,012
Posted By Piper J3
Another way to “look” at the 912ULS is it is...

Another way to “look” at the 912ULS is it is mechanical FADEC with single-lever control. Mixture is self-adjusting via diaphragm in carburetor and no carb heat required with RV-12 installation. ...
Forum: RV-12/RV-12iS 08-15-2021, 08:10 PM
Replies: 12
Views: 1,679
Posted By Piper J3
Does electronics have capability to test inputs? ...

Does electronics have capability to test inputs? Perhaps manually operate stall vane switch and see if input changes state on the EFIS.
Forum: RV-12/RV-12iS 08-15-2021, 03:23 PM
Replies: 3
Views: 1,012
Posted By Piper J3
Having a Good 912ULS Run….

I bought my RV-12 from original builder with 48TT in October 2015. I just completed 75 hour oil change at 700TT. Airframe is early SN 120058 and engine was manufactured in Feb 2009.

Timeline and...
Forum: RV-12/RV-12iS 08-11-2021, 07:46 PM
Replies: 35
Views: 5,425
Posted By Piper J3
Looks like safety wire is missing for left carb...

Looks like safety wire is missing for left carb air filter.
Forum: RV-12/RV-12iS 08-11-2021, 09:31 AM
Replies: 61
Views: 8,828
Posted By Piper J3
Good info Tony... My clips are installed in...

Good info Tony... My clips are installed in position #2 as are two other 912 ULS RV-12's that I know of. All is well with no rich mixture operation. If the OP has rich mixture he can certainly try...
Forum: RV-12/RV-12iS 08-11-2021, 08:43 AM
Replies: 61
Views: 8,828
Posted By Piper J3
See drawing in post #39 above. Circlip belongs...

See drawing in post #39 above. Circlip belongs in 2nd groove from top. If you have clips installed in 3rd groove from top it is setting the needle taper higher in the main jet and engine will run...
Forum: RV-12/RV-12iS 08-10-2021, 02:01 PM
Replies: 61
Views: 8,828
Posted By Piper J3
Best practice when rebuilding carbs is to...

Best practice when rebuilding carbs is to disassemble / reassemble one at a time. This way no parts get interchanged.

Perhaps check circlip position on main needles. I forget… I think clip...
Forum: RV-12/RV-12iS 08-09-2021, 02:16 PM
Replies: 61
Views: 8,828
Posted By Piper J3
A little off-topic, but it’s a slow day… I saw...

A little off-topic, but it’s a slow day… I saw “Amish” and had a good laugh. When my granddaughters visit, if any severe behavioral problems crop up that need attention – I make them “Amish”- no...
Forum: RV-12/RV-12iS 08-07-2021, 02:25 PM
Replies: 61
Views: 8,828
Posted By Piper J3
As mentioned above... higher (100F) EGT on right...

As mentioned above... higher (100F) EGT on right side is seen by lots of folks running 912ULS in RV-12 when engine is making high power. I wouldn't worry about it.
Forum: RV-12/RV-12iS 08-06-2021, 02:12 PM
Replies: 35
Views: 6,668
Posted By Piper J3
I bought qty (8) of these on eBay in 2019 for...

I bought qty (8) of these on eBay in 2019 for $50. They are hard phenolic plastic and not the original soft rubber.

NGK - Spark Plug Resistor Cover - 90deg. Elbow Type (LB05F) 8051
Forum: RV-12/RV-12iS 08-06-2021, 09:03 AM
Replies: 11
Views: 1,585
Posted By Piper J3
Keep the unmixed ProSeal and hardener in a...

Keep the unmixed ProSeal and hardener in a freezer to slow deterioration and increase shelf life.
Forum: RV-12/RV-12iS 08-06-2021, 08:11 AM
Replies: 61
Views: 8,828
Posted By Piper J3
Per your photo in post #11… check rubber hose for...

Per your photo in post #11… check rubber hose for cross-over balance tube. Hose appears to have a bend and I think it should be fairly straight routing. Also, the hose clamp on the manifold fitting...
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