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Search: Posts Made By: John-G
Forum: RV-12 Yesterday, 07:52 AM
Replies: 7
Views: 623
Posted By John-G
Maveric- Somewhere here in the forums there was...

Maveric-

Somewhere here in the forums there was a post about static generated during cleaning of the aircraft setting off the ACK E-04. Apparently ACK was questioned and said to install an in-line...
Forum: Tools 05-23-2018, 08:01 AM
Replies: 8
Views: 1,028
Posted By John-G
David, If you are building your airplane in a...

David,

If you are building your airplane in a garage or location where the space is limited, consider placing locking wheels under your workbenches, power tool bench, parts racks, ect. it really...
Forum: RV-12 05-16-2018, 07:36 AM
Replies: 18
Views: 1,637
Posted By John-G
PEB- I ordered the ScotchBrite wheel from...

PEB-

I ordered the ScotchBrite wheel from Aircraft Spruce many years ago and the ACS part number is 12-00875. The wheel is 6" and is the 7A medium grade with a 1/2" thru hole ... works great with...
Forum: RV-12 05-16-2018, 07:01 AM
Replies: 18
Views: 1,637
Posted By John-G
David- One tool that you will be glad you owned...

David-

One tool that you will be glad you owned for the entire project is a band saw. Many of the parts from Van's come with more than one part made from the same strip of metal and they need to be...
Forum: RV General Discussion/News 05-14-2018, 06:27 AM
Replies: 19
Views: 1,170
Posted By John-G
Bob, I wanted better grounding for my RV-12 so...

Bob,

I wanted better grounding for my RV-12 so while building (E-AB) I decided to purchase grounding blocks from B & C. I chose GB24/24 grounding blocks and installed them on both sides of the...
Forum: RV-12 05-08-2018, 07:13 AM
Replies: 30
Views: 3,074
Posted By John-G
Paul, Nice looking bird Paul! Truly like the...

Paul,

Nice looking bird Paul! Truly like the overall paint scheme ... well done!

Happy flying,
Forum: RV-12 05-08-2018, 07:02 AM
Replies: 6
Views: 1,020
Posted By John-G
Mark - As Tom mentioned, Van's made a change to...

Mark -

As Tom mentioned, Van's made a change to the exhaust system that moves the muffler further aft from the oil cooler. To be clear, changing over to the new muffler design not only requires a...
Forum: RV-12 05-05-2018, 08:18 AM
Replies: 11
Views: 1,246
Posted By John-G
Looking back, this seems to be a reoccurring...

Looking back, this seems to be a reoccurring spring/early summer theme. There are many posts here sharing similar symptoms. Yes, the carb floats and fuel pumps have been a big issue in the past and...
Forum: RV General Discussion/News 05-02-2018, 07:54 AM
Replies: 5
Views: 389
Posted By John-G
Thanks

Thanks for the input guys truly appreciated.

A few weeks back I had looked over the FltPlan GO manuals for both the iPad and Android versions and read that iPad version supported the Dynon...
Forum: RV General Discussion/News 04-30-2018, 10:07 AM
Replies: 5
Views: 389
Posted By John-G
Help with Android based flight planner that saves plans as .GPX flles

The mission: Main goal is finding an Android based full featured flight planning app that allows saving the flight plan in a .GPX format so the flight plan file can be transferred to a USB flash...
Forum: Tools 04-18-2018, 07:54 AM
Replies: 5
Views: 523
Posted By John-G
Mike, To answer your question ... yes. As an...

Mike,

To answer your question ... yes.

As an example … if you are attempting to set a AN470AD4 rivet you would want to first use the 4 cutout on a rivet length gauge (not shown in your original...
Forum: RV General Discussion/News 03-29-2018, 08:34 AM
Replies: 16
Views: 1,462
Posted By John-G
Insurance non-coverage doughnut hole

I just want to mention what happened with my RV-12 build so fellow builders don't get caught in a catch 22 as I did.

I had purchased builders insurance and "assumed" it would cover the build until...
Forum: RV-12 03-07-2018, 07:42 AM
Replies: 5
Views: 905
Posted By John-G
Tom, On the older wire harness the bands are...

Tom,

On the older wire harness the bands are located approximately 23" and 62" from the end of the connector. That should get you in the ballpark. I had the same problem as you in that my red bands...
Forum: RV-12 02-12-2018, 07:33 AM
Replies: 13
Views: 5,844
Posted By John-G
Ben- It is like most things ... if there is a...

Ben- It is like most things ... if there is a will there is a way. That said, I think you could perform the necessary steps if you are really careful and have lots patience. However, my vote is make...
Forum: RV-12 02-09-2018, 06:48 AM
Replies: 20
Views: 2,582
Posted By John-G
John - I would be curious to know if the hose...

John -

I would be curious to know if the hose clamps were changed at the time the hoses were replaced. The factory Rotax hose clamps are a constant tension type that expand and contract with the...
Forum: RV-12 02-04-2018, 06:24 AM
Replies: 6
Views: 803
Posted By John-G
Rob- Don't remember there being an issue with a...

Rob-

Don't remember there being an issue with a gap where the skins overlap on the flaperons.

Have you checked to make sure the flanges on the ribs are not slightly over-bent or under-bent by...
Forum: RV General Discussion/News 01-20-2018, 07:44 AM
Replies: 4
Views: 912
Posted By John-G
I ran into this very exact issue. I had...

I ran into this very exact issue. I had (incorrectly) assumed that the builder policy would remain in effect until I received the airworthiness certificate. So a couple of weeks prior to the AW...
Forum: RV General Discussion/News 01-17-2018, 02:11 PM
Replies: 521
Views: 106,270
Posted By John-G
Steve- First the disclaimer …. don’t own a 3D...

Steve-
First the disclaimer …. don’t own a 3D printer and know nothing about creating 3D CAD drawings, but I’m very interested in learning more about the process so have been watching this...
Forum: RV-12 01-15-2018, 07:44 AM
Replies: 10
Views: 1,840
Posted By John-G
Congratulations on your successful first flight....

Congratulations on your successful first flight. I hope you receive many hours of pleasure flying over the UK countryside with that "RV grin".
Forum: RV-12 01-13-2018, 09:48 PM
Replies: 26
Views: 4,705
Posted By John-G
Tacco - I had a similar experience which turned...

Tacco - I had a similar experience which turned out to be mainly caused by the added F-1270A & F1270D doublers on the outside of the fuselage interfering with the inboard edge of the bottom wing...
Forum: RV-12 01-08-2018, 09:11 PM
Replies: 12
Views: 1,354
Posted By John-G
Jeff - I looked at my plans and the nutplate...

Jeff - I looked at my plans and the nutplate shown on both version 2 and 3 of section 49-12 show the nutplate in question as a K1000-3 and not a K1000-8 you are referring to.
Forum: RV-12 01-05-2018, 06:02 AM
Replies: 4
Views: 1,167
Posted By John-G
Oleg - The main landing gear legs that came with...

Oleg -

The main landing gear legs that came with my kit were not primed but the nose gear leg assembly came with a white powder coating. For sure you will want to prime your main gear legs if they...
Forum: RV General Discussion/News 12-31-2017, 07:59 AM
Replies: 14
Views: 1,227
Posted By John-G
Bob - Just had a thought which I feel may be an...

Bob -

Just had a thought which I feel may be an eloquent non-adhesive solution for holding the aluminum pieces together for welding.

You mentioned the pieces you want to weld have flanges .... my...
Forum: RV-12 12-31-2017, 06:30 AM
Replies: 221
Views: 114,897
Posted By John-G
Jim- Thinking about it Dale is probably right...

Jim-

Thinking about it Dale is probably right about 8mm being the size for the hex socket needed and it is in the HF hex set.
Forum: RV-12 12-30-2017, 02:06 PM
Replies: 3
Views: 1,343
Posted By John-G
David ... Thanks for posting the video and...

David ...

Thanks for posting the video and especially for including the shot of the "ice grippers" you use to get your bird back into the hangar. After 35 + years out in California I'm still...
Forum: RV-12 12-30-2017, 01:16 PM
Replies: 12
Views: 1,869
Posted By John-G
Was surprised to find my bushing came off during...

Was surprised to find my bushing came off during the first week or so of testing ... I too had used blue Loctite as suggested in the plans.

Ordered a new bushing and installed it using a thin...
Forum: RV General Discussion/News 12-30-2017, 01:06 PM
Replies: 14
Views: 1,227
Posted By John-G
Bob, I think you would be better served if you...

Bob,

I think you would be better served if you were to use a few small strategically located pieces of duct tape to hold the parts together so the welder can lay down a couple of tack welds on the...
Forum: RV-12 12-30-2017, 12:51 PM
Replies: 221
Views: 114,897
Posted By John-G
Jim, I purchased a set of inexpensive metric...

Jim,

I purchased a set of inexpensive metric 3/8" drive hex sockets from Harbor Freight. The set had the correct size for the engine mounting hardware ... which, if memory serves me correctly, was 6...
Forum: RV-14 12-29-2017, 06:46 AM
Replies: 23
Views: 6,878
Posted By John-G
Turner- You really don't need anything to secure...

Turner-

You really don't need anything to secure the backing strips to the lens. I used waxed cord to temporarily hold the strips in place while a couple of screws could be installed. Below is a...
Forum: ADS-B 12-07-2017, 07:56 AM
Replies: 8
Views: 2,409
Posted By John-G
If you are interested in finding a convenient...

If you are interested in finding a convenient power source in the vicinity of the instrument panel, there is a spare unused +12 volt source on the back of the AV-50001 switch & fuse module on pin 6...
Forum: Traditional Aircraft Engines 11-29-2017, 07:28 AM
Replies: 13
Views: 1,506
Posted By John-G
Mark, I would be looking at it from another...

Mark,

I would be looking at it from another angle .... the software requirements for app package that comes with the bore scope and total current draw. You will want one that says it is compatible...
Forum: RV-12 11-24-2017, 10:18 AM
Replies: 20
Views: 2,312
Posted By John-G
Ted – There are two separate issues here you are...

Ted – There are two separate issues here you are contending with … but they are inner related. To expand on the good info Joe gave you, the following is a thumbnail sketch regarding the transponder...
Forum: RV-12 11-21-2017, 10:15 AM
Replies: 19
Views: 3,006
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, 08:13 PM
Replies: 3
Views: 919
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, 09:10 PM
Replies: 3
Views: 919
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, 06:44 AM
Replies: 11
Views: 2,757
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, 09:52 AM
Replies: 27
Views: 3,703
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, 08:47 AM
Replies: 27
Views: 3,703
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, 06:08 AM
Replies: 15
Views: 4,094
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, 09:22 PM
Replies: 7
Views: 1,351
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, 07:25 PM
Replies: 4
Views: 1,025
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, 05:52 AM
Replies: 26
Views: 2,464
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, 09:19 AM
Replies: 17
Views: 3,226
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, 08:45 AM
Replies: 17
Views: 3,226
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, 01:27 PM
Replies: 4
Views: 879
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, 09:10 PM
Replies: 14
Views: 3,330
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, 07:33 AM
Replies: 10
Views: 1,850
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, 07:24 AM
Replies: 9
Views: 1,804
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, 06:29 AM
Replies: 40
Views: 6,511
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, 02:42 PM
Replies: 3
Views: 656
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, 10:59 AM
Replies: 12
Views: 2,590
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, 07:16 AM
Replies: 12
Views: 2,590
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, 05:46 AM
Replies: 16
Views: 2,870
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, 06:42 AM
Replies: 41
Views: 5,140
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, 07:36 PM
Replies: 41
Views: 5,140
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, 06:48 AM
Replies: 15
Views: 4,546
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, 06:38 AM
Replies: 15
Views: 4,546
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, 09:14 PM
Replies: 15
Views: 4,546
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, 06:25 AM
Replies: 10
Views: 1,687
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, 09:53 PM
Replies: 13
Views: 2,022
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, 01:59 PM
Replies: 20
Views: 5,428
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, 01:35 PM
Replies: 13
Views: 2,022
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...
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