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Search: Posts Made By: Piper J3
Forum: RV-12/RV-12iS Today, 04:44 PM
Replies: 2
Views: 62
Posted By Piper J3
Sounds like one of the CD ignitions is not...

Sounds like one of the CD ignitions is not shutting off. Could be bad panel switch or intermittent connection to main panel.

Try shutting off one ignition at a time in cruise flight. You should...
Forum: Alternative Engines Today, 12:20 PM
Replies: 691
Views: 128,072
Posted By Piper J3
Charlie - You can ask for PAPR report for any of...

Charlie -

You can ask for PAPR report for any of your flights. You can ask for yesterday's flight if you flew in Rule Airspace. Worst that can happen is report come back with insufficient data. ...
Forum: RV-12/RV-12iS Today, 12:06 PM
Replies: 45
Views: 6,638
Posted By Piper J3
Might want to read this........

Might want to read this..... https://vansairforce.com/community/showthread.php?t=188674
Forum: Safety 11-22-2020, 02:04 PM
Replies: 8
Views: 948
Posted By Piper J3
We Need to Build Faster

I get Kathryn’s Report in my inbox every two to three days. I can’t believe how many airplanes/helicopters are getting bent and bruised each day. I don’t think GA manufacturers are keeping up with...
Forum: RV-12/RV-12iS 11-22-2020, 01:36 AM
Replies: 18
Views: 2,035
Posted By Piper J3
Look here......

Look here... https://vansairforce.com/community/showthread.php?t=183562&highlight=tire+pressure+monitor
Forum: RV-14 11-21-2020, 03:22 PM
Replies: 7
Views: 666
Posted By Piper J3
My RV-12 has the same camber angle when sitting...

My RV-12 has the same camber angle when sitting on the ground. I changed to Desser 500-5 6 PLY AWBS RETREAD ELITE PREMIUM 2 GROOVE (ELITE) which has a lot more rubber thickness at the sides of the...
Forum: RV-12/RV-12iS 11-20-2020, 10:37 AM
Replies: 15
Views: 1,262
Posted By Piper J3
Get two of everything... .

Get two of everything...

.
Forum: RV-12/RV-12iS 11-19-2020, 10:40 AM
Replies: 36
Views: 9,070
Posted By Piper J3
RV-12 somewhere over the N. Atlantic, this is...

RV-12 somewhere over the N. Atlantic, this is USCGC Itasca - do you read?

Come in RV-12...
Forum: RV-12/RV-12iS 11-18-2020, 05:15 PM
Replies: 9
Views: 888
Posted By Piper J3
Appears to use the same four bolts as ULS912 -...

Appears to use the same four bolts as ULS912 - two at nose gear and two at upper firewall stepback.
Forum: Alternative Engines 11-18-2020, 08:47 AM
Replies: 691
Views: 128,072
Posted By Piper J3
Charlie - You're not the only person using a...

Charlie -

You're not the only person using a Honda engine. This project has four (4) Honda engines.

I remember when I was a kid and a neighbor was building a rowboat in his basement. I thought,...
Forum: Alternative Engines 11-17-2020, 04:08 PM
Replies: 691
Views: 128,072
Posted By Piper J3
Many helicopters have safely landed before...

Many helicopters have safely landed before transmission or tail rotor gearbox completely failed. A chip detector provides a little bit of early warning and may save your bacon. If not available in...
Forum: RV-12/RV-12iS 11-17-2020, 04:01 PM
Replies: 16
Views: 1,558
Posted By Piper J3
Not be funny now... might be a good idea to see...

Not be funny now... might be a good idea to see if your Tetanus shot is current.
Forum: RV-12/RV-12iS 11-17-2020, 12:28 AM
Replies: 16
Views: 1,558
Posted By Piper J3
Also, you are not using safety wire correctly...

Also, you are not using safety wire correctly unless your fingers are bleeding... :D
Forum: Alternative Engines 11-16-2020, 07:00 PM
Replies: 691
Views: 128,072
Posted By Piper J3
I'm curious... Does this Viking Gearbox have a...

I'm curious... Does this Viking Gearbox have a magnet plug to collect and show ferrous metal wear? Maybe even a chip detector like helicopters have?
Forum: RV-12/RV-12iS 11-16-2020, 10:11 AM
Replies: 42
Views: 5,889
Posted By Piper J3
5-gallon rule is good. That gives you one hour...

5-gallon rule is good. That gives you one hour before empty. A lot can happen in one hour. If I’m close to home base, I’ll fly sometimes down to 3 gallons. It is a good test to see if the red...
Forum: RV-12/RV-12iS 11-15-2020, 10:34 AM
Replies: 19
Views: 2,438
Posted By Piper J3
I wish I could tell you, but it's been a few...

I wish I could tell you, but it's been a few years since purchase. For $33, I think you buy every spring in the whole store... :D
Forum: RV-12/RV-12iS 11-15-2020, 10:03 AM
Replies: 19
Views: 2,438
Posted By Piper J3
I installed the extension springs (Home Depot...

I installed the extension springs (Home Depot Aviation Dept.) in conjunction with the new Torsion springs just to see if mid-range RPM would improve, and I believe it has. I didn’t do a re-balance...
Forum: RV General Discussion/News 11-15-2020, 06:49 AM
Replies: 15
Views: 1,964
Posted By Piper J3
I flew over a Locomotive Graveyard - Lordstown,...

I flew over a Locomotive Graveyard - Lordstown, OH. The resting place of hundreds of old railroad locomotives is Larry's Truck and Electric (reporting mark LTEX) in Lordstown, Ohio. This yard sits...
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-14-2020, 05:02 PM
Replies: 14
Views: 3,168
Posted By Piper J3
So, we never did learn the asking price?

So, we never did learn the asking price?
Forum: RV-12/RV-12iS 11-14-2020, 03:30 AM
Replies: 8
Views: 889
Posted By Piper J3
When overhauling carbs - it's best to do one at a...

When overhauling carbs - it's best to do one at a time so parts don't get mixed L-R.
Forum: RV-12/RV-12iS 11-14-2020, 03:28 AM
Replies: 18
Views: 2,035
Posted By Piper J3
I have Tire Pressure Monitors (TPM) on my main...

I have Tire Pressure Monitors (TPM) on my main wheels and use MICHELIN AIRSTOP tubes which hold air very well. I monitor air pressure as part of my pre-flight check and notice fluctuations in...
Forum: RV General Discussion/News 11-12-2020, 01:03 AM
Replies: 13
Views: 801
Posted By Piper J3
Turn on automatically when? As you pick them up...

Turn on automatically when? As you pick them up and before placed on head? I never experienced this with my Zulu2 and Zulu3. They shut off, which is a nice feature, but never saw them turning...
Forum: RV-12/RV-12iS 11-11-2020, 11:43 AM
Replies: 6
Views: 912
Posted By Piper J3
Having friends with lots of tools is like having...

Having friends with lots of tools is like having a neighbor with a swimming pool...
Forum: RV-12/RV-12iS 11-11-2020, 11:40 AM
Replies: 18
Views: 2,035
Posted By Piper J3
BERINGER makes aircraft wheels for tubeless...

BERINGER makes aircraft wheels for tubeless tires. Expensive...
Forum: RV-12/RV-12iS 11-11-2020, 10:50 AM
Replies: 18
Views: 2,035
Posted By Piper J3
If you decide to toss the Matco stuff - send it...

If you decide to toss the Matco stuff - send it my way. Works a charm for me...
Forum: Alternative Engines 11-10-2020, 01:29 AM
Replies: 691
Views: 128,072
Posted By Piper J3
8 oz of oil is not very much. My wife loves to...

8 oz of oil is not very much. My wife loves to bake – she says that’s 1 cup. By comparison, the Boeing B-17 had 37 gallons of oil per engine. The USAAF had a large strategic oil reserve to feed...
Forum: RV-12/RV-12iS 11-09-2020, 07:33 PM
Replies: 13
Views: 1,533
Posted By Piper J3
If I remember correctly the intake runner lengths...

If I remember correctly the intake runner lengths and differences in curved shape cause the back cylinders to run rich at idle. This is what you are seeing on the plugs when you shut down the engine...
Forum: Alternative Engines 11-09-2020, 03:28 PM
Replies: 691
Views: 128,072
Posted By Piper J3
Charlie - Does Viking say what is the limiting...

Charlie -

Does Viking say what is the limiting factor for gearbox temperature? Gears, Lube, Seals, etc. I would think gearbox could operate at engine oil temps.

It seems that 200F would be...
Forum: RV General Discussion/News 11-09-2020, 07:34 AM
Replies: 36
Views: 4,300
Posted By Piper J3
Flew 6.2 hours this weekend. Getting close to...

Flew 6.2 hours this weekend. Getting close to visiting all the neighboring states. The RV-12 and I have been to NY, PA, VW, IN, and just did MI. Probably have to wait until next summer to do the...
Forum: RV-12/RV-12iS 11-08-2020, 02:28 PM
Replies: 208
Views: 45,910
Posted By Piper J3
I'd like to know what these weigh. Last go...

I'd like to know what these weigh. Last go around MS floats were heavy and provided incorrect float level.
Forum: RV-12/RV-12iS 11-08-2020, 01:22 PM
Replies: 208
Views: 45,910
Posted By Piper J3
You need two floats for each carb - so two sets...

You need two floats for each carb - so two sets as they are sold in pairs...
Forum: RV-12/RV-12iS 11-06-2020, 06:32 PM
Replies: 8
Views: 1,078
Posted By Piper J3
From VAF front page about a week ago listed under...

From VAF front page about a week ago listed under Off Topic. Seems to apply here... https://www.youtube.com/watch?v=x70d3Uw6Nxs
Forum: RV-12/RV-12iS 11-04-2020, 07:17 PM
Replies: 0
Views: 739
Posted By Piper J3
I love my Prop...

I needed a break from the election counting so I decided to wash the airplane today - 60F and sunny. I thought I'd share a trick I use to make bug removal a little easier. I apply a thin coating of...
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-01-2020, 09:40 PM
Replies: 11
Views: 4,400
Posted By Piper J3
Photo folder is empty...

Photo folder is empty...
Forum: RV-12/RV-12iS 10-30-2020, 12:47 PM
Replies: 45
Views: 6,638
Posted By Piper J3
This isn't sitting very well with me...

This isn't sitting very well with me...
Forum: RV-12/RV-12iS 10-30-2020, 10:38 AM
Replies: 8
Views: 1,108
Posted By Piper J3
^^^^ I like that idea ^^^^

^^^^ I like that idea ^^^^
Forum: RV-12/RV-12iS 10-29-2020, 04:27 PM
Replies: 28
Views: 2,846
Posted By Piper J3
We’re just having a friendly conversation here so...

We’re just having a friendly conversation here so don’t jump down my throat…. It’s been over 40 years since I had a course in Dynamics and I guess it shows. It would seem to me that statically...
Forum: RV-12/RV-12iS 10-29-2020, 10:11 AM
Replies: 28
Views: 2,846
Posted By Piper J3
I'm looking at Tony_T's photo of balance weight...

I'm looking at Tony_T's photo of balance weight added to the spinner backing plate. It looks like the weight is almost 90 degrees to the prop blades. I would think that the weight would be located...
Forum: RV-12/RV-12iS 10-29-2020, 09:47 AM
Replies: 28
Views: 2,846
Posted By Piper J3
I wonder what effect bugs have on prop balance? ...

I wonder what effect bugs have on prop balance? Maybe a few grams of bugs, more on one blade tip than the other, would be noticeable. Small weight differences out near the tip of the prop arc can...
Forum: Alternative Engines 10-28-2020, 02:07 PM
Replies: 691
Views: 128,072
Posted By Piper J3
So, the 912 runs at 5500 RPM cruise which is...

So, the 912 runs at 5500 RPM cruise which is engine redline. It is designed to operate at this speed and produces near 100HP. Gear ratio is 2.43:1 which is a "hunting" ratio to spread wear evenly. ...
Forum: Alternative Engines 10-28-2020, 04:17 AM
Replies: 691
Views: 128,072
Posted By Piper J3
180F doesn't sound like it's too warm for the...

180F doesn't sound like it's too warm for the gearbox. I wonder what the limiting design factor is - oil lube temp, bearings, gears, seals?

My RV-12 with Rotax 912 sees 200F oil temps and sometimes...
Forum: Safety 10-27-2020, 08:06 PM
Replies: 15
Views: 3,010
Posted By Piper J3
I slip my RV-12 with full flaps, full rudder, and...

I slip my RV-12 with full flaps, full rudder, and enough aileron to track straight. I’m based at a private strip that has tall pine trees at the threshold (thanks to a lovely neighbor). Once I...
Forum: Alternative Engines 10-27-2020, 04:16 PM
Replies: 691
Views: 128,072
Posted By Piper J3
Charlie – I follow your progress daily and I’m...

Charlie –

I follow your progress daily and I’m very happy to see you flying and sorting out systems.

If I may ask a question… I know it’s early in the program but I’m trying to determine how your...
Forum: RV-12/RV-12iS 10-27-2020, 03:57 PM
Replies: 8
Views: 1,269
Posted By Piper J3
The wife has all the answers. In this post...

The wife has all the answers.

In this post earlier today https://vansairforce.com/community/showpost.php?p=1473012&postcount=2 a guy wanted to convince his wife to crawl into the tail cone... :D
Forum: RV-12/RV-12iS 10-26-2020, 04:47 PM
Replies: 18
Views: 1,595
Posted By Piper J3
Bill Hertzel over in RotaxOwner Forum sent...

Bill Hertzel over in RotaxOwner Forum sent this...

Be sure you are comparing Apples...
The 912is installations may be more "Sophisticated."

My 912is has both an Oil Thermostat and a Coolant...
Forum: RV-12/RV-12iS 10-26-2020, 03:34 PM
Replies: 18
Views: 1,595
Posted By Piper J3
The thread I started in RotaxOwner forum is ......

The thread I started in RotaxOwner forum is ... https://www.rotax-owner.com/en/912is-technical-questions/8290-912uls-vs-912is-warm-up-time.

There is already one reply stating leaner mixture may run...
Forum: RV-12/RV-12iS 10-26-2020, 01:40 PM
Replies: 18
Views: 1,595
Posted By Piper J3
I asked about 912iS Vs. 912ULS oil warm-up time...

I asked about 912iS Vs. 912ULS oil warm-up time over in the RotaxOwner forum. If I get an answer I'll share soonest...
Forum: RV-12/RV-12iS 10-25-2020, 11:08 AM
Replies: 25
Views: 8,155
Posted By Piper J3
The wheel pants aren’t that big a deal to remove...

The wheel pants aren’t that big a deal to remove front half to add air for main wheels. I have TPM’s on both main wheels so I don’t have to dick with the wheel pants unless absolutely necessary. At...
Forum: RV-12/RV-12iS 10-25-2020, 10:56 AM
Replies: 18
Views: 1,595
Posted By Piper J3
If you really want cabin heat, install the RV-12...

If you really want cabin heat, install the RV-12 Winterization Kit which consists of a sliding baffle for the water radiator and a selection of three different baffle plates to block off the oil...
Forum: RV-12/RV-12iS 10-24-2020, 05:51 PM
Replies: 8
Views: 1,269
Posted By Piper J3
Right, but you need to negotiate where the bend...

Right, but you need to negotiate where the bend turns horizontal. A vacuum cleaner to pull a string through works a charm...
Forum: RV-12/RV-12iS 10-24-2020, 01:13 PM
Replies: 18
Views: 1,595
Posted By Piper J3
I believe Rotax chooses to not use T-stat in the...

I believe Rotax chooses to not use T-stat in the cooling system as one less item that can fail...
Forum: RV-12/RV-12iS 10-24-2020, 11:28 AM
Replies: 16
Views: 3,132
Posted By Piper J3
My apologies to seagull - I should have searched...

My apologies to seagull - I should have searched and found his post. I like his approach to resolving cable pull inaccuracy and I will try his solution soonest.
Forum: RV-12/RV-12iS 10-24-2020, 09:32 AM
Replies: 16
Views: 3,132
Posted By Piper J3
Yeah, something like that, no exact RPM range... ...

Yeah, something like that, no exact RPM range... Again, very important to synchronize at idle and just off-idle. The vacuum cross-over tube helps at low engine speeds by fooling the engine into...
Forum: RV-12/RV-12iS 10-22-2020, 05:32 AM
Replies: 16
Views: 3,132
Posted By Piper J3
A lot of 912’s have a mid-range RPM vibration...

A lot of 912’s have a mid-range RPM vibration that is inherent to the design. The most likely cause is carb imbalance. As discussed many times in this forum, the 912 is really two separate and...
Forum: RV-12/RV-12iS 10-21-2020, 07:18 PM
Replies: 189
Views: 38,761
Posted By Piper J3
Just spitballing here... maybe destroy the broken...

Just spitballing here... maybe destroy the broken tap by taping it through the drilled hole with a small punch and then follow up by enlarging to #10-32 screw size.
Forum: RV-12/RV-12iS 10-21-2020, 10:43 AM
Replies: 45
Views: 6,638
Posted By Piper J3
Proud Boys who own RV-12's are "Standing Back and...

Proud Boys who own RV-12's are "Standing Back and Standing By"
Forum: Alternative Engines 10-20-2020, 12:17 PM
Replies: 691
Views: 128,072
Posted By Piper J3
Charlie I’m looking at your spark plug photo and...

Charlie

I’m looking at your spark plug photo and wonder if you might benefit from using a high-temp Silicon Thermal Paste instead of anti-seize on the plug threads. Rotax uses Silicon Thermal Paste...
Forum: RV-12/RV-12iS 10-20-2020, 10:36 AM
Replies: 8
Views: 1,592
Posted By Piper J3
Rotax 912ULS is aging like a Fine Wine…

My early SN 120058 RV-12 now has over 600TT with 912ULS manufactured in 2009. I have flown all the hours except the first 50 which were accumulated by the original builder. I use 93E10 fuel...
Forum: RV-12/RV-12iS 10-19-2020, 11:41 AM
Replies: 5
Views: 809
Posted By Piper J3
A few years ago I was seriously contemplating...

A few years ago I was seriously contemplating building a new RV-12. I was going to build it in my 2500 ft^2 walkout basement. Airplane would have been 100% complete including vinyl wrapping and W&B...
Forum: RV-12/RV-12iS 10-18-2020, 11:34 PM
Replies: 45
Views: 5,617
Posted By Piper J3
And you are 100% certain of that?

And you are 100% certain of that?
Forum: RV-12/RV-12iS 10-18-2020, 12:40 PM
Replies: 45
Views: 5,617
Posted By Piper J3
When I started this thread, I had no idea it...

When I started this thread, I had no idea it would stimulate so much constructive conversation. I was just trying to see if I was a lone wolf in the aviation community. Some very good thoughts...
Forum: RV-12/RV-12iS 10-17-2020, 06:31 PM
Replies: 45
Views: 5,617
Posted By Piper J3
I Shut off Engine Ignitions in Flight…

I’m curious if I’m the only person that does this…. I shut off engine ignitions in flight – :eek:. I started doing this years ago when flying my J-3 Cub. The Cub had a Continental A65-8 with...
Forum: RV-12/RV-12iS 10-17-2020, 01:14 PM
Replies: 12
Views: 1,763
Posted By Piper J3
There is always SB's coming later. Look at...

There is always SB's coming later. Look at latest salvo of dynamic balancing every time prop is disassembled for inspection. Used to be when I owned a GA certified aircraft I hated to walk out to...
Forum: Alternative Engines 10-15-2020, 11:11 AM
Replies: 691
Views: 128,072
Posted By Piper J3
"It's always something Gilda" - Gilda Radner...

"It's always something Gilda" - Gilda Radner (SNL) :D
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