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Search: Posts Made By: Piper J3
Forum: RV-12/RV-12iS Today, 06:44 AM
Replies: 134
Views: 15,572
Posted By Piper J3
It looks like I’m joining the “club” myself. ...

It looks like I’m joining the “club” myself. I’ve been having rough engine in mid-range and now rough idle after hot restart. 5500 rpm cruise remains very smooth. Yesterday’s flight had a slight...
Forum: ADS-B Yesterday, 03:22 PM
Replies: 8
Views: 431
Posted By Piper J3
Update... I flew today in loose formation with a...

Update... I flew today in loose formation with a friend's plane. He saw my tail number on his ADS-B traffic screen. I also called ATC and asked for transponder check - they had me squawk code and...
Forum: RV-8/8A Yesterday, 01:50 AM
Replies: 17
Views: 730
Posted By Piper J3
Look here......

Look here... http://www.vansairforce.com/community/showpost.php?p=1167652&postcount=28
and here... http://www.vansairforce.com/community/showpost.php?p=1167801&postcount=30
Forum: ADS-B 05-17-2019, 06:50 PM
Replies: 8
Views: 431
Posted By Piper J3
Yes, uAvionix has had me change Transponder...

Yes, uAvionix has had me change Transponder Monitor Threshold value to no avail so that is why I suspect transponder problem.
Forum: ADS-B 05-17-2019, 06:01 PM
Replies: 8
Views: 431
Posted By Piper J3
Transponder Antenna Question…

I have a Garmin 327 Transponder in my RV-12. I’m having a problem with uAvionix echoUAT “sniffing” Baro Alt. My PAPR shows 100% fail for Baro Alt. I’ve been working with Kurt at uAvionix and they...
Forum: VAF Classifieds (posts in here deleted after 30 days) 05-16-2019, 04:18 PM
Replies: 1
Views: 421
Posted By Piper J3
....Price?

....Price?
Forum: RV-12/RV-12iS 05-13-2019, 11:43 PM
Replies: 8
Views: 940
Posted By Piper J3
I have never noticed any control surface...

I have never noticed any control surface vibration with/without cabin vents open. Are your stabilator cables correct tension?

I'm curious why you're cruising at 5000 instead of 5500 - top of green...
Forum: RV-12/RV-12iS 05-12-2019, 07:40 PM
Replies: 5
Views: 507
Posted By Piper J3
Agree that Van's trim tab angle is correct for...

Agree that Van's trim tab angle is correct for high-speed level cruise. You will need a couple of pounds of force on right rudder peddle in climb and lightly rest your foot on left rudder peddle in...
Forum: RV-12/RV-12iS 05-12-2019, 07:36 PM
Replies: 11
Views: 994
Posted By Piper J3
Actually, no. You want to zero the level on the...

Actually, no. You want to zero the level on the longeron. Use the copilot side because that is the side of the prop you will measure prop blade. The pitch angle is the difference of blade angle as...
Forum: RV-12/RV-12iS 05-12-2019, 08:00 AM
Replies: 11
Views: 994
Posted By Piper J3
This isn't possible. The RV-12 is CNC punched...

This isn't possible. The RV-12 is CNC punched and self-jigging. The holes line up and the airframe is true and straight. There can’t be anywhere near 4° mismatch in the longerons otherwise the...
Forum: Glass Cockpit 05-10-2019, 01:56 PM
Replies: 0
Views: 106
Posted By Piper J3
Problem with D180 Fuel Display

I have dual screen Dynon D180 and D100 in my RV-12. I just recently recalibrated my fuel quantity gage in the D180 per Dynon instructions. Now I notice that I no longer get a yellow box around the...
Forum: RV-12/RV-12iS 05-10-2019, 11:56 AM
Replies: 7
Views: 474
Posted By Piper J3
As long as we're talking fuel sensors, I'll ask a...

As long as we're talking fuel sensors, I'll ask a question here....

I have dual screen Dynon D180 and D100. I just recently recalibrated my fuel quantity gage in the D180 per Dynon instructions. ...
Forum: RV-12/RV-12iS 05-09-2019, 08:15 AM
Replies: 11
Views: 2,197
Posted By Piper J3
My Honda 2010 Elite motor scooter has Programmed...

My Honda 2010 Elite motor scooter has Programmed Fuel Injection (PGM-FI). Four-stroke, overhead-cam, liquid-cooled, 108cc, 100 mpg. Reliable to beat-the-band. Can carry the whole...
Forum: RV-12/RV-12iS 05-07-2019, 01:43 PM
Replies: 2
Views: 591
Posted By Piper J3
Yes, very easy to do. ForeFlight has...

Yes, very easy to do. ForeFlight has instructions on exporting Track Logs to other Apps.

Pop it into Goggle Earth and voilà...
Forum: RV-12/RV-12iS 05-05-2019, 09:34 AM
Replies: 2
Views: 591
Posted By Piper J3
ForeFlight Track Log Import to Goggle Earth

Just fooling around – learning how to import ForeFight track log into Goggle Earth.

This is a flight taking off on 27 at Mole (1OA2) on Sept 8, 2016. Flight headed south to Ashland (3G4).

I had a...
Forum: RV-12/RV-12iS 05-03-2019, 06:23 AM
Replies: 2
Views: 1,076
Posted By Piper J3
Mark your Calendar - July 20, 1969/2019

"We choose to go to the Moon in this decade and do the other things, not because they are easy, but because they are hard; because that goal will serve to organize and measure the best of our...
Forum: COMM 05-01-2019, 05:49 AM
Replies: 1
Views: 254
Posted By Piper J3
SL40 Noise Level...

In System Functions you can query Noise Level which is relative received noise level of the frequency you are listening to. The range displayed is between 0 and 255. My SL40 displays a noise level...
Forum: RV-12/RV-12iS 04-30-2019, 03:47 PM
Replies: 2
Views: 1,076
Posted By Piper J3
Today I sent emails to a dozen RV-12 drivers in...

Today I sent emails to a dozen RV-12 drivers in Ohio. If you didn't get an email and want to be included in Ohio RV-12 gatherings, send me a PM or email and I'll add you to the list.
Forum: RV-12/RV-12iS 04-29-2019, 12:34 PM
Replies: 11
Views: 955
Posted By Piper J3
If a switch is added there is a possibility to...

If a switch is added there is a possibility to have switch in off position for critical phase of flight e.g. – takeoff. Ask yourself how many folks have taken off with elevator trim set incorrectly....
Forum: RV-12/RV-12iS 04-28-2019, 10:08 AM
Replies: 11
Views: 955
Posted By Piper J3
Was electric fuel pumping running continuously? ...

Was electric fuel pumping running continuously? Some folks have added a switch to shut off electric fuel pump, which in my opinion, is bad idea.
Forum: RV-12/RV-12iS 04-27-2019, 02:22 PM
Replies: 7
Views: 903
Posted By Piper J3
Before flying season started this year I placed...

Before flying season started this year I placed two temperature recording strips under the cowling of my RV-12 - one on John Deere Voltage Regulator and one on top of ignition unit. Hasn't been hot...
Forum: RV General Discussion/News 04-26-2019, 12:52 PM
Replies: 5
Views: 1,082
Posted By Piper J3
Try Postimage.org and use "hot link for...

Try Postimage.org and use "hot link for forums"
Forum: COMM 04-25-2019, 10:22 AM
Replies: 3
Views: 231
Posted By Piper J3
Thank you gentlemen....

Thank you gentlemen....
Forum: COMM 04-25-2019, 05:06 AM
Replies: 3
Views: 231
Posted By Piper J3
SL40 Volume Control not Working

I just noticed that the volume control on my SL40 isn’t working. Maybe it’s been this way for a while and I haven’t noticed. I’m hoping there is a setting that disables the volume control but so...
Forum: RV-12/RV-12iS 04-25-2019, 05:01 AM
Replies: 27
Views: 9,052
Posted By Piper J3
I am based on a private grass strip and use one...

I am based on a private grass strip and use one notch of flaps for take off. No flaps on take off when operating off a hard surface.
Forum: RV Ongoing Maintenance Issues 04-23-2019, 06:45 PM
Replies: 8
Views: 680
Posted By Piper J3
Exactly. I had to change Xponder Threshold from...

Exactly. I had to change Xponder Threshold from 1550 to 1300. Did the trick...
Forum: RV-12/RV-12iS 04-22-2019, 02:02 AM
Replies: 134
Views: 15,572
Posted By Piper J3
There are lots of good candidates for coatings...

There are lots of good candidates for coatings including thinned two-part epoxies that can be sprayed with an airbrush. Pro-seal would be difficult to work with and probably result a thick/uneven...
Forum: RV-12/RV-12iS 04-21-2019, 04:33 PM
Replies: 332
Views: 317,549
Posted By Piper J3
5 KPH is a lot – almost 5% of cruise speed. I...

5 KPH is a lot – almost 5% of cruise speed. I don't think I see that kind of improvement with all three pressure-recovery wheel fairings. RV-12 is not a fast machine that would benefit from a lot...
Forum: RV-12/RV-12iS 04-19-2019, 09:09 PM
Replies: 134
Views: 15,572
Posted By Piper J3
I did some searching today for coatings that are...

I did some searching today for coatings that are impervious to gasoline. One company I contacted (Klass Kote Quality Coatings Division, Eagan, Minnesota) replied back as follows:

I asked... Do you...
Forum: RV-12/RV-12iS 04-19-2019, 01:27 PM
Replies: 134
Views: 15,572
Posted By Piper J3
Exactly. I'm pretty sure the absorbed fuel does...

Exactly. I'm pretty sure the absorbed fuel does eventually "bake" out. I've been thinking about this for a while. Maybe conformal coating used for electronic circuit boards. Don't know if it's...
Forum: RV-12/RV-12iS 04-19-2019, 01:11 PM
Replies: 134
Views: 15,572
Posted By Piper J3
Dave Any chance you could send me one or two...

Dave

Any chance you could send me one or two sets of your old heavy floats. I still want to experiment and see if I can't hollow out the float and leave a large air bubble in the center. Long...
Forum: RV-12/RV-12iS 04-19-2019, 01:04 PM
Replies: 134
Views: 15,572
Posted By Piper J3
3 sets x $300/4 floats = $900 and it isn't even...

3 sets x $300/4 floats = $900 and it isn't even summer flying season yet...
Forum: RV-12/RV-12iS 04-19-2019, 01:00 PM
Replies: 5
Views: 728
Posted By Piper J3
Actually, the towbar accomplishes both tasks. ...

Actually, the towbar accomplishes both tasks. Rudder pedals for sure... and then take the velcro strap and cinch the closed end of "v" around the stick. Also, I put a wrap of black electrical tape...
Forum: RV-12/RV-12iS 04-19-2019, 02:15 AM
Replies: 134
Views: 15,572
Posted By Piper J3
Further update to post #96… I emailed Marvel...

Further update to post #96…

I emailed Marvel Schebler and again got no response from them. How can a company in today’s economy have such poor (non-existent) customer relations? Anyway, my friend...
Forum: RV-12/RV-12iS 04-17-2019, 07:45 AM
Replies: 24
Views: 5,455
Posted By Piper J3
007 - Don't bruise the oil...

007 - Don't bruise the oil...
Forum: RV-12/RV-12iS 04-16-2019, 10:07 AM
Replies: 24
Views: 5,455
Posted By Piper J3
My wife says the $50 bill in my wallet is going...

My wife says the $50 bill in my wallet is going to expire soon and I should buy a nice dress for her that's on sale at Macy's...
Forum: RV-12/RV-12iS 04-16-2019, 02:28 AM
Replies: 24
Views: 5,455
Posted By Piper J3
This thread reminded me (my age is showing) I had...

This thread reminded me (my age is showing) I had a case of Aeroshell left over from the 70's. Oil "can" was actually paper back then. I was cleaning out the garage last summer and found the case...
Forum: RV-12/RV-12iS 04-15-2019, 03:01 PM
Replies: 332
Views: 317,549
Posted By Piper J3
I can speak with a fair amount of authority about...

I can speak with a fair amount of authority about J-3's having owned one for 23 years and some 1100 flying hours. The only thing wheel pants do on a Cub is keep mud from flinging onto the bottom of...
Forum: RV-12/RV-12iS 04-15-2019, 01:16 PM
Replies: 6
Views: 852
Posted By Piper J3
It could also be a harmonic frequency where...

It could also be a harmonic frequency where things start to resonate. I used to own an Aeronca Chief 11AC that had a McCauley metal prop on a Cont A65-8. The prop had a restriction to not operate...
Forum: RV-12/RV-12iS 04-15-2019, 01:02 PM
Replies: 34
Views: 3,112
Posted By Piper J3
Big Brother...

Big Brother...
Forum: RV-12/RV-12iS 04-15-2019, 01:45 AM
Replies: 332
Views: 317,549
Posted By Piper J3
How shocked were you? This can't add significant...

How shocked were you? This can't add significant airspeed. Nose strut is very small and airspeed in low 100 knots doesn't gain very much from little bits of aerodynamic cleanup.
Forum: RV-12/RV-12iS 04-15-2019, 01:37 AM
Replies: 6
Views: 852
Posted By Piper J3
Can't post individual cyl's. Rotax 912 has only...

Can't post individual cyl's. Rotax 912 has only two EGT's - one for L and one for R. They are mounted in the rear exhaust on each side.
Forum: RV-12/RV-12iS 04-13-2019, 04:49 PM
Replies: 6
Views: 852
Posted By Piper J3
Some thoughts on mid-range RPM vibration…

I have had a flakey left EGT for a while and recently replaced the thermocouple sensor (Dynon EGT, Hose Clamp, 0.75-1.25”, Rotax SKU: #100405-001). I also did a fresh carb sync with a digital...
Forum: RV-12/RV-12iS 04-11-2019, 05:42 PM
Replies: 134
Views: 15,572
Posted By Piper J3
See my post #96 above where I explain how we...

See my post #96 above where I explain how we removed the top cowling and ran the electric fuel pump to discover fuel pouring out of the right carb air filter. Luckily, no fire when fuel overflowed...
Forum: RV-12/RV-12iS 04-09-2019, 01:32 PM
Replies: 134
Views: 15,572
Posted By Piper J3
It would be relatively easy to check buoyancy and...

It would be relatively easy to check buoyancy and float actuator pin levels by “floating” a set of <7-gram Bing Vs. stock Marvel Schebler in a bench setup using the Bing float bowl. Simply measure...
Forum: RV-12/RV-12iS 04-09-2019, 10:35 AM
Replies: 134
Views: 15,572
Posted By Piper J3
Joe Imagine a boat floating in water where...

Joe

Imagine a boat floating in water where waterline is 2’ below the deck. Now suppose you pump a lot of fuel onboard… the water line raises and the boat is lower in the water. Conversely, if you...
Forum: RV-12/RV-12iS 04-09-2019, 03:01 AM
Replies: 134
Views: 15,572
Posted By Piper J3
Thinking Outside the Box…

The Marvel Schebler floats apparently are heavier than the 7 gram Rotax spec and will most likely cause fuel level to be high in the float bowl.

I have an idea to fix this. Marvel Schebler says...
Forum: RV-12/RV-12iS 04-09-2019, 12:19 AM
Replies: 11
Views: 2,197
Posted By Piper J3
The 912 has a separate coil on the back of the...

The 912 has a separate coil on the back of the engine that powers the capacitive discharge ignition independent of the battery. Similar to magneto in that the engine has to be spinning to...
Forum: RV-12/RV-12iS 04-08-2019, 06:46 PM
Replies: 11
Views: 2,197
Posted By Piper J3
Unit looks too tall to fit under RV-12 cowling...

Unit looks too tall to fit under RV-12 cowling...
Forum: RV-12/RV-12iS 04-07-2019, 04:02 PM
Replies: 134
Views: 15,572
Posted By Piper J3
You guessed it… new member here. Yesterday I...

You guessed it… new member here. Yesterday I flew with my friend in his 1-year old RV-12 S-LSA with 130TT. I smelled a whiff of gasoline on take-off and on initial climb. We flew 30 miles and...
Forum: RV-12/RV-12iS 04-05-2019, 09:41 AM
Replies: 3
Views: 860
Posted By Piper J3
Louis Zamperini lived in Torrance, CA. Must be...

Louis Zamperini lived in Torrance, CA. Must be a good place...

Worth searching if you don't know who Louie is.
Forum: Alternative Engines 04-05-2019, 05:42 AM
Replies: 357
Views: 46,218
Posted By Piper J3
Charlie I really enjoy following your progress. ...

Charlie

I really enjoy following your progress. You get a lot done in short order. It's amassing what people accomplish these days. When I was a kid the talk of the neighborhood was a guy...
Forum: RV-12/RV-12iS 04-03-2019, 06:45 AM
Replies: 3
Views: 679
Posted By Piper J3
No boots - open connectors. At condition...

No boots - open connectors. At condition inspection I spray the connectors with contact cleaner/lubricant. Works good with no electrical problems - 400TT.
Forum: RV-12/RV-12iS 04-02-2019, 08:14 AM
Replies: 9
Views: 1,376
Posted By Piper J3
I never considered that "retreaded tread" could...

I never considered that "retreaded tread" could be harder rubber than sidewall. Might explain why tires are wearing so well. I thought it was my superior airmanship skills... :D

I just rec'd email...
Forum: RV-12/RV-12iS 04-01-2019, 02:44 PM
Replies: 9
Views: 1,376
Posted By Piper J3
Shouldn't be a problem. These tires are 6-ply,...

Shouldn't be a problem. These tires are 6-ply, 120 mph speed, and 1800# load rating.
Forum: RV-12/RV-12iS 04-01-2019, 07:50 AM
Replies: 9
Views: 1,376
Posted By Piper J3
I did communicate with Matco and I’m aware that...

I did communicate with Matco and I’m aware that they offer electroless nickel plating as an option. Electroless nickel plating is primarily used for corrosion resistance and does not have the wear...
Forum: RV-12/RV-12iS 04-01-2019, 12:39 AM
Replies: 9
Views: 1,376
Posted By Piper J3
Some Thoughts on Tires & Brakes…

I fly from a private grass strip in northern Ohio. Needless to say, not much flying in the winter months. So, the spring ritual is to look over the machine really good while I wait for the ground...
Forum: RV-12/RV-12iS 03-26-2019, 04:36 PM
Replies: 14
Views: 2,216
Posted By Piper J3
If you're building E-LSA you need to follow plans...

If you're building E-LSA you need to follow plans 100% without alterations prior to AW inspection.
Forum: RV-12/RV-12iS 03-25-2019, 06:37 PM
Replies: 30
Views: 4,144
Posted By Piper J3
Is there resolution on your vibration problem?

Is there resolution on your vibration problem?
Forum: RV-12/RV-12iS 03-25-2019, 09:07 AM
Replies: 9
Views: 1,721
Posted By Piper J3
Another idea to satisfy your curiosity… fly a...

Another idea to satisfy your curiosity… fly a radio-control low-wing airplane that has individual servos controlling the ailerons. Program a switch on your transmitter so you can shut off one...
Forum: RV-12/RV-12iS 03-25-2019, 06:54 AM
Replies: 10
Views: 1,328
Posted By Piper J3
I believe your best option is to pre-heat the...

I believe your best option is to pre-heat the engine before starting. This is best for the engine and significantly reduces warm-up run time. I have E-Z HEAT 912 engine pre-heater which I control...
Forum: RV-12/RV-12iS 03-24-2019, 04:44 PM
Replies: 9
Views: 1,721
Posted By Piper J3
My guess is the flaperon with the broken weld...

My guess is the flaperon with the broken weld would probably trail in the slip stream. The problem would be with the other wing with the "working" flaperon. Here would have drag from the working...
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