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Search: Posts Made By: John-G
Forum: RV-12 11-21-2017, 11:15 AM
Replies: 18
Views: 1,672
Posted By John-G
Well done!

Paul-

That is a really nice video tutorial highlighting the overall construction of your RV-12. Nicely done!!!!!

Happy flying!
Forum: RV-12 11-20-2017, 09:13 PM
Replies: 3
Views: 417
Posted By John-G
Scott, Thanks ever so much for pointing out the...

Scott,

Thanks ever so much for pointing out the spelling errors ... appears the spellchecker I used didn't catch the typos if they were all capital letters. Of course, there were a couple of places...
Forum: RV-12 11-19-2017, 10:10 PM
Replies: 3
Views: 417
Posted By John-G
RV-12 Checklists For The Dynon SkyView

The weather in NE Ohio has been terrible lately … so finally got around to finishing up the SkyView checklists for the RV-12 that were begun long ago, but never completed. Although aimed at the...
Forum: RV-12 11-15-2017, 07:44 AM
Replies: 2
Views: 532
Posted By John-G
Hi Stan, It would be helpful if you were to also...

Hi Stan,

It would be helpful if you were to also give us a little more info about your RV-12 so references to the proper wiring drawings can be made. Is it an older RV-12 that has the audio panel or...
Forum: ADS-B 11-11-2017, 10:52 AM
Replies: 27
Views: 2,293
Posted By John-G
Don - Soldering to the circuit board isn't...

Don - Soldering to the circuit board isn't necessary is it? Unless you are wanting to make a permanent tap.

If a permanent tap is not the case, I would suggest first try using a sharp pointed object...
Forum: ADS-B 11-11-2017, 09:47 AM
Replies: 27
Views: 2,293
Posted By John-G
Don - You could try making a simple data probe...

Don - You could try making a simple data probe using a 2 volt LED diode and 300 ohm resistor. I don't know how to post a graphic in this text so will refer you to page 9 of the ACK E-04 instillation...
Forum: RV-12 11-06-2017, 07:08 AM
Replies: 15
Views: 3,462
Posted By John-G
One method that works well for me is to soak the...

One method that works well for me is to soak the bearings in Stoddard solvent if you can find it or Mineral Spirits then blow the old chunks of grease off the bearing with air. A small paint brush...
Forum: RV-12 10-27-2017, 10:22 PM
Replies: 7
Views: 1,053
Posted By John-G
Allan, With the control stick in the full aft...

Allan,

With the control stick in the full aft position, move the anti servo tab until it is approximately 1 7/8" higher than the stabilator .... measured from trailing edge to trailing edge. Then...
Forum: RV-12 10-22-2017, 08:25 PM
Replies: 4
Views: 860
Posted By John-G
Congratulations Joe !!! The first flight is a...

Congratulations Joe !!! The first flight is a real rush of emotions to be sure.

Regarding your slightly heavy left wing, I had that too .... before bending up the flaperons take a very close look...
Forum: RV-12 10-19-2017, 06:52 AM
Replies: 26
Views: 1,678
Posted By John-G
Art ... you have received good suggestions so...

Art ... you have received good suggestions so far. I would also like to add take a very close look at the throttle return springs attached to the throttle arm ... they have a propensity to break over...
Forum: RV-12 10-15-2017, 10:19 AM
Replies: 17
Views: 2,504
Posted By John-G
+4 regarding the use of rivnuts on an aircraft....

+4 regarding the use of rivnuts on an aircraft. For the record there are no rivnuts on my RV-12 because of the previously mentioned long term issues with them .... was just providing an answer to the...
Forum: RV-12 10-14-2017, 09:45 AM
Replies: 17
Views: 2,504
Posted By John-G
David, Aircraft Spruce has an inexpensive rivet...

David,

Aircraft Spruce has an inexpensive rivet nut setting tool and also sells the rivet nuts keyed and unkeyed.

Here is a link to the tool:...
Forum: RV-12 09-24-2017, 02:27 PM
Replies: 4
Views: 723
Posted By John-G
Brett ... it is a tight fit to be sure. You may...

Brett ... it is a tight fit to be sure. You may want to try cutting away a little more of the white blocks to to make the slots wider ... this will give you a little more room. Next attempt to really...
Forum: RV-12 09-23-2017, 10:10 PM
Replies: 12
Views: 1,772
Posted By John-G
I agree, the Aircraft Specialty fuel hoses for...

I agree, the Aircraft Specialty fuel hoses for the RV-12 are a top notch product ... I too am very pleased with them.
Forum: RV-12 09-17-2017, 08:33 AM
Replies: 10
Views: 1,526
Posted By John-G
Rob ... I installed a second landing light in...

Rob ...

I installed a second landing light in my left wing because I too wanted wig-wag operation. In addition to running the power and pulse wires to the additional landing light, all that is...
Forum: RV-12 09-10-2017, 08:24 AM
Replies: 9
Views: 1,551
Posted By John-G
Congratulations! Hope you have many hours of...

Congratulations! Hope you have many hours of pleasure in the coming years.
Forum: RV-8/8A 09-08-2017, 07:29 AM
Replies: 38
Views: 4,310
Posted By John-G
Check wing skin aft of rear spar

I'm not sure if this will help you .... but I'll throw it out there for you to consider. My RV-12 had a slightly heavy left wing which was solved by tweaking the wing skin aft of the rear spar. A...
Forum: RV General Discussion/News 08-26-2017, 03:42 PM
Replies: 3
Views: 448
Posted By John-G
I'll begin by saying I have no hands on...

I'll begin by saying I have no hands on experience with your landing gear ... but the first thing that came to mind is that the check valves inside the pump unit must be allowing hydraulic fluid to...
Forum: RV-12 08-26-2017, 11:59 AM
Replies: 12
Views: 2,144
Posted By John-G
Thanks for clarifying that Scott ... I was not...

Thanks for clarifying that Scott ... I was not aware there was an additional change to the muffler design after the switch to the straight down exhaust design ... of which my RV-12 was one of the...
Forum: RV-12 08-26-2017, 08:16 AM
Replies: 12
Views: 2,144
Posted By John-G
Kukla ... I don't remember there being any steps...

Kukla ... I don't remember there being any steps in mounting the engine that were difficult ... it is very straight forward actually.

For drilling the 3/8" holes into the firewall, I did use a...
Forum: RV-12 08-26-2017, 06:46 AM
Replies: 16
Views: 2,417
Posted By John-G
David, My first ADSB-470 box did not work...

David,

My first ADSB-470 box did not work either. When looking at the settings for Port 2 (or whatever port yours is attached to) you should be seeing BOTH the Rx and Tx counters increment … mine...
Forum: RV-12 08-25-2017, 07:42 AM
Replies: 15
Views: 1,956
Posted By John-G
You are correct about the part number of 4112...

You are correct about the part number of 4112 being a non steeping version .... I have one of those as well. Apparently, at one time they came in different versions spade leads and wired .... there...
Forum: RV-12 08-24-2017, 08:36 PM
Replies: 15
Views: 1,956
Posted By John-G
Tom .... Just curious as to why you find the...

Tom .... Just curious as to why you find the voltage stepping on the Silent Hektik F-4118 regulator objectionable? My understanding is that the voltage stepping is also beneficial for AGM batteries...
Forum: RV-12 08-22-2017, 07:48 AM
Replies: 15
Views: 4,172
Posted By John-G
Kyle -- To deselect the monitoring of the AP...

Kyle -- To deselect the monitoring of the AP disconnect wire enter the Setup Menu (press buttons 7 & 8 simultaneously) then scroll down and select Autopilot Setup. When in the Autopilot setup menu...
Forum: RV-12 08-21-2017, 07:38 AM
Replies: 15
Views: 4,172
Posted By John-G
Alex .... Actually, with the 5 K resistor being...

Alex .... Actually, with the 5 K resistor being on the AV50000 module it insures the continuity of all the wires in the disconnect path because the disconnect originates from pin 15 which is the 5K...
Forum: RV-12 08-20-2017, 10:14 PM
Replies: 15
Views: 4,172
Posted By John-G
Resurrecting this old thread … for I too have...

Resurrecting this old thread … for I too have been experiencing the “autopilot disconnect broken” warning message on the SkyView. Although I do not have a solution beyond what has been previously...
Forum: RV-12 08-18-2017, 07:25 AM
Replies: 10
Views: 1,378
Posted By John-G
I used a long piece of 1/8" thick aluminum bar...

I used a long piece of 1/8" thick aluminum bar stock as a spacer taped so it was tight to the prop backing plate and adjusted the fit of the cowls accordingly. Also waited until the engine was hung...
Forum: RV-12 08-14-2017, 10:53 PM
Replies: 13
Views: 1,704
Posted By John-G
Rob -- Yes, the landing light lens can be a...

Rob --
Yes, the landing light lens can be a challenge to be sure. I have had the lens on both my landing lights on & off a couple of times and have found a fairly easy way to accomplish the task all...
Forum: RV-12 08-12-2017, 02:59 PM
Replies: 20
Views: 4,772
Posted By John-G
Panel mounting PAI 700 compass a failure.

Update: Instillation of Precision Aviation Inc. PAI 700 compass in the RV-12 instrument panel is a failure. However, an Airpath C2300 whiskey compass works just fine …. Go figure!

As mentioned in...
Forum: RV-12 08-12-2017, 02:35 PM
Replies: 13
Views: 1,704
Posted By John-G
Rob, My guess is since the much improved RV-12...

Rob,

My guess is since the much improved RV-12 seen at Oshkosh has a left landing light, you could also install one ... with an OK from Van's just to make sure. If they say no not for the 912ULS...
Forum: RV-12 08-11-2017, 10:27 AM
Replies: 17
Views: 1,870
Posted By John-G
In a situation with a total radio failure and all...

In a situation with a total radio failure and all else is working fine... wondering how well a hand held would get out using the ELT's antenna cable connected to the hand held?

On the RV-12...
Forum: RV-12 08-05-2017, 09:22 PM
Replies: 29
Views: 5,483
Posted By John-G
Doug - You have the general idea .... I would...

Doug - You have the general idea ....

I would suggest trying to first get an idle speed that is in the ballpark using Van's suggested idle speed range. Moving forward, while adjusting the...
Forum: RV-12 08-05-2017, 06:41 PM
Replies: 16
Views: 3,136
Posted By John-G
Lukla, I do not remember stumbling across any...

Lukla,

I do not remember stumbling across any gotchas during the instillation of the Dynon SkyView, Knobs and associated goodies ... everything is pretty much straight forward. If memory serves me...
Forum: RV-12 08-05-2017, 06:15 PM
Replies: 29
Views: 5,483
Posted By John-G
Doug ... when using the CarbMate one carb becomes...

Doug ... when using the CarbMate one carb becomes the "reference" and the other carb is adjusted to match it. It really does not matter which carb is the reference as long as the other carb is...
Forum: Trip Write-ups 08-05-2017, 09:18 AM
Replies: 197
Views: 87,717
Posted By John-G
Vlad, Have been following your epic journey and...

Vlad,

Have been following your epic journey and have thoroughly enjoyed all the great photos along with reading about all the interesting places you visited along the way.

I have friends in MI a...
Forum: RV-12 07-22-2017, 07:55 AM
Replies: 90
Views: 15,857
Posted By John-G
Ron - A word of caution: I looked into the unit...

Ron - A word of caution: I looked into the unit you are using a little while ago and ruled it out ... the manufactures web site for the product says "NOT FOR GASOLINE!".

I would caution others...
Forum: RV-12 07-21-2017, 06:00 PM
Replies: 8
Views: 989
Posted By John-G
Mike - I realize the following suggestion will...

Mike - I realize the following suggestion will not help your immediate concerns ... however, that said, I found purchasing the Van's RV-12 CD to be very helpful because it contains all the build...
Forum: RV-12 07-21-2017, 05:31 PM
Replies: 8
Views: 989
Posted By John-G
This is why I wholeheartedly suggest printing the...

This is why I wholeheartedly suggest printing the four quadrants & center matrix blown-up on at least 4' x 3' paper. Typically one only chases one or two wires at a time from either the Options or...
Forum: RV-12 07-21-2017, 03:08 PM
Replies: 8
Views: 989
Posted By John-G
Mike - The two wire bundles you are referring...

Mike - The two wire bundles you are referring have connector shells that are marked fuselage and options.

Looking at the wiring drawing for the RV-12, you will see both the fuselage and options...
Forum: RV-12 07-15-2017, 08:01 AM
Replies: 16
Views: 1,896
Posted By John-G
Looking forward to meeting other builders as well...

Looking forward to meeting other builders as well ... I'll try to be there too.
Forum: RV-12 07-12-2017, 08:09 AM
Replies: 7
Views: 759
Posted By John-G
A few years back when I got my demo ride I was...

A few years back when I got my demo ride I was there Monday morning when the gates opened and sprinted to the Van's tent. Amazingly, quite a few people were already there but I did get my name on the...
Forum: RV-12 07-12-2017, 07:58 AM
Replies: 19
Views: 3,257
Posted By John-G
Jim- My powerplant kit was one of the very first...

Jim- My powerplant kit was one of the very first kits shipped after Van's made the change to the exhaust system that moved the muffler a little further from the oil cooler. Kits shipped prior to mine...
Forum: RV-12 07-10-2017, 08:29 AM
Replies: 4
Views: 819
Posted By John-G
Jack -- Judging by the description of your high...

Jack -- Judging by the description of your high current event I would suspect it was a result of a slightly low battery. The Rotax engine's power source is not like an automotive alternator where...
Forum: RV-12 07-09-2017, 07:08 AM
Replies: 5
Views: 687
Posted By John-G
John, You may want to consider doing what I did...

John,

You may want to consider doing what I did .... in addition to downloading and installing one of the free readers on the home desktop computer, I also wanted the wiring drawing printed on...
Forum: RV-12 06-28-2017, 12:25 AM
Replies: 8
Views: 1,258
Posted By John-G
It is inside the VA-216 hose unless you have a...

It is inside the VA-216 hose unless you have a modified fuel system. Have a look at page 46-11 in the plans.

Also have a look at page 46-09 and verify that the pilot jet was removed from the banjo...
Forum: RV-12 06-27-2017, 11:04 PM
Replies: 8
Views: 1,258
Posted By John-G
If it turns out that the high fuel pressure is...

If it turns out that the high fuel pressure is actually correct (verified with a gauge) then the next item you may want to have a look at would be verifying the tiny orifice in the fuel return line...
Forum: RV General Discussion/News 06-07-2017, 07:18 AM
Replies: 6
Views: 883
Posted By John-G
Bob, My suggestion would be to apply the glass...

Bob,

My suggestion would be to apply the glass and wait until the resin begins to kick off. When the resin gets past the point of being runny and begins stiffening up yet is still soft and...
Forum: RV-12 06-05-2017, 06:59 AM
Replies: 16
Views: 2,890
Posted By John-G
Congratulations!!!! Well done! Enjoy your new...

Congratulations!!!! Well done! Enjoy your new ride and the many hours of pleasure about to come your way ... the fruits of your labor.
Forum: RV-12 06-01-2017, 07:39 AM
Replies: 19
Views: 2,500
Posted By John-G
Lukla, the JetFlex W/R paint does NOT have to be...

Lukla, the JetFlex W/R paint does NOT have to be used with AKZO. I just mentioned that because it is a popular primer with builders that is super easy to spray. Suggest spraying test pieces to...
Forum: RV-12 05-31-2017, 09:54 PM
Replies: 19
Views: 2,500
Posted By John-G
Lukla ... for interior paint I used the water...

Lukla ... for interior paint I used the water reducible version of JetFlex and had very good results after figuring out how to spray it. It was sprayed onto parts primed with AKZO.

The water...
Forum: RV-12 05-29-2017, 04:02 PM
Replies: 7
Views: 929
Posted By John-G
Nor I really ... but they had the plane and my...

Nor I really ... but they had the plane and my insurance required time in the RV-12, so I bit the bullet. I will say the instructing was top notch, but all things considered, you are right, it is...
Forum: RV-12 05-29-2017, 03:26 PM
Replies: 7
Views: 929
Posted By John-G
Have a look at Scanlon Aviation in Novado located...

Have a look at Scanlon Aviation in Novado located at Gnoss Field (KDVO). I received my RV-12 transition training there.
Forum: RV-12 05-29-2017, 01:55 PM
Replies: 74
Views: 8,961
Posted By John-G
Sounds like a classic example of winter blended...

Sounds like a classic example of winter blended auto fuel being used when the temps get warmer and causing a little vaporlock.

Would suggest you temporally blend some 100 LL with the auto fuel (have...
Forum: RV-12 05-28-2017, 06:01 AM
Replies: 8
Views: 1,573
Posted By John-G
Congratulations .... looks really nice! Makes me...

Congratulations .... looks really nice! Makes me wish I would have painted prior to final assembly.
Forum: RV-12 05-21-2017, 03:18 PM
Replies: 12
Views: 2,417
Posted By John-G
Thanks for the info Rich .... that is good to...

Thanks for the info Rich .... that is good to know. If that's the case, may toss my comb as well because it certainly adds A LOT of friction.
Forum: RV-12 05-21-2017, 09:42 AM
Replies: 12
Views: 2,417
Posted By John-G
Chris - Yes, the comb does add a large amount of...

Chris - Yes, the comb does add a large amount of friction.

Admittedly, I have not yet played with the cabin heat while in flight. (All my flight days thus far have been warm). However, I suspect the...
Forum: RV-12 05-21-2017, 09:26 AM
Replies: 20
Views: 4,772
Posted By John-G
Doug, Yes, I have a panel mounted compass backup...

Doug,

Yes, I have a panel mounted compass backup plan in addition to the phone/tablet I will have in the cockpit. I knew going into it that a panel mounted vertical card compass can be finicky to...
Forum: RV-12 05-20-2017, 07:54 PM
Replies: 2
Views: 622
Posted By John-G
Lukla - Yes you are correct ... figure 1 on page...

Lukla - Yes you are correct ... figure 1 on page 44A-03 applies to both the roll and pitch servos. Reread step 3 ... "Insert the wires from each Dynon AP SV32 Autopilot Servo into an ES-00009 Molex...
Forum: RV-12 05-18-2017, 08:22 PM
Replies: 20
Views: 4,772
Posted By John-G
Doug, To answer your question about the compass...

Doug,

To answer your question about the compass .... I don't know yet. I have finally gotten all the bugs out of my RV-12 except for being able to swing the compass. As of now, the north/south is...
Forum: RV-12 05-14-2017, 08:58 AM
Replies: 13
Views: 2,078
Posted By John-G
MadMaveric - I too vote to wait until the engine...

MadMaveric - I too vote to wait until the engine is mounted before doing the final fitting of your cowl.

That said, I can appreciate your conundrum ... I too was working out of a small work area (17...
Forum: Autopilots 05-13-2017, 07:43 AM
Replies: 21
Views: 1,163
Posted By John-G
Make test wires for the D-Sub connectors

Rob,

My only suggestion for your immediate issue is to verify that the pins in the D-Sub connector associated with the servo motor are not pushing back into the body of the connector. I have seen...
Forum: RV-12 05-08-2017, 11:44 AM
Replies: 16
Views: 2,187
Posted By John-G
Hi Tom, While building my RV-12 the EAA tech...

Hi Tom,

While building my RV-12 the EAA tech councilors consulted to do periodic inspections during the build gave me a suggestion that seems to have merit when doing the gear alignment.

The...
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