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Search: Posts Made By: John-G
Forum: RV-12 08-13-2018, 08:50 AM
Replies: 102
Views: 11,785
Posted By John-G
RJTJRT - To answer your question ... there are...

RJTJRT - To answer your question ... there are six bolts that sandwich the two prop blades between the prop hubs and each bolt uses a Nord-Lock washer.
Forum: RV Building Tips/Techniques 08-07-2018, 08:52 AM
Replies: 10
Views: 679
Posted By John-G
I had good luck documenting my build using...

I had good luck documenting my build using Blogger.com for my free WEB based Blog solution. However, I do pay a $10 per year registration fee so I can have my own WEB address for my builder's...
Forum: RV-12 08-02-2018, 07:53 AM
Replies: 102
Views: 11,785
Posted By John-G
Yes, the Nord-Lock washers used for the prop are...

Yes, the Nord-Lock washers used for the prop are a larger OD than the ones normally associated with that size bolt head. I found this out the hard way when I went to a large nut & bolt supplier...
Forum: RV-12 08-01-2018, 07:12 AM
Replies: 8
Views: 768
Posted By John-G
Congratulations Mike .... The "RV smile" says it...

Congratulations Mike .... The "RV smile" says it all.
Forum: RV-12 07-30-2018, 07:42 AM
Replies: 47
Views: 14,607
Posted By John-G
For another data point ... I used Loctite 567 on...

For another data point ... I used Loctite 567 on the aluminum fittings that screw into the RV-12's brake master cylinders and had multiple leaks which after removing /cleaning/reapplication of the...
Forum: RV-12 07-25-2018, 02:02 PM
Replies: 5
Views: 689
Posted By John-G
E. D. --- I can't give you any info regarding a...

E. D. ---

I can't give you any info regarding a second EFIS because I installed inexpensive backup steam gauges ... but I did add a second landing light to have wig-wag to take advantage of that...
Forum: RV-12 07-12-2018, 07:05 PM
Replies: 102
Views: 11,785
Posted By John-G
During my first annual last year I of course...

During my first annual last year I of course removed the prop for inspection and noticed the Nord-Lock washers no longer had sharp edges to the tooth pattern ... they had become rounded so I did not...
Forum: RV-12 07-04-2018, 10:39 AM
Replies: 15
Views: 3,142
Posted By John-G
Plexiglass cleaner caution

Don,

I have been having very good results just cleaning the canopy with a mixture of Dawn dish washing detergent and water. I use two microfiber cloths one soaked with a Dawn + distilled water...
Forum: RV-12 07-03-2018, 09:00 AM
Replies: 28
Views: 2,710
Posted By John-G
I attend Oshkosh almost every year so sometimes...

I attend Oshkosh almost every year so sometimes things seem to run together .... the RV-12 get together I was referring to was at the brand new pavilion that was built at homebuilt camping. Believe...
Forum: RV-12 07-03-2018, 07:59 AM
Replies: 28
Views: 2,710
Posted By John-G
If this years RV-12 builders gathering ends up...

If this years RV-12 builders gathering ends up being on Tuesday, you can count me in ... there was a nice gathering last year.

Happy RV-12ing,
Forum: RV General Discussion/News 06-28-2018, 07:49 AM
Replies: 19
Views: 2,182
Posted By John-G
Oliver, Curious ... did you seal all the...

Oliver,

Curious ... did you seal all the pinholes in the cowling prior to applying the vinyl wrap?

A friend vinyl wrapped his RV-9 and has had no issues ... after the initial learning curve of the...
Forum: RV-12 06-27-2018, 08:48 AM
Replies: 4
Views: 663
Posted By John-G
Ken, If you call Matco they will know what parts...

Ken,

If you call Matco they will know what parts they sell to Van's for the RV-12.

I have purchased items from their booth at Oshkosh and they knew what I needed for the RV-12.

Edit: Just returned...
Forum: RV-12 06-27-2018, 07:43 AM
Replies: 4
Views: 663
Posted By John-G
Ken, The wheel assemblies on the RV-12 are...

Ken,

The wheel assemblies on the RV-12 are manufactured by Matco and Section 4 of the builder instructions shows the following part numbers.

Nose wheel assembly is part number WHLNW51CC G25

The...
Forum: RV-12 06-13-2018, 09:22 PM
Replies: 5
Views: 1,121
Posted By John-G
I wouldn't think running spare wires in...

I wouldn't think running spare wires in anticipation of making a wiring change after phase one flight testing is completed would be a problem. That is as long as at the time of ELSA certification the...
Forum: RV-12 06-13-2018, 09:20 AM
Replies: 5
Views: 1,121
Posted By John-G
E.D. For starters you will want to run the same...

E.D.

For starters you will want to run the same amount of wiring that is used on the right landing light for the additional left landing light.

In addition to that, you will need to run one...
Forum: RV-12 05-29-2018, 06:18 AM
Replies: 4
Views: 846
Posted By John-G
EastCoast, The info you are looking for is in...

EastCoast,

The info you are looking for is in section 5-14. There you will see the torques for the aluminum fittings listed. There is also a section in the red Aircraft Standards handbook that comes...
Forum: RV-12 05-26-2018, 07:52 AM
Replies: 7
Views: 1,351
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: 1,742
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: 2,902
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: 2,902
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: 1,520
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: 5,162
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: 1,408
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: 1,885
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: 594
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: 594
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: 652
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: 1,635
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: 990
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: 6,000
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: 19
Views: 2,771
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: 844
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: 1,054
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: 688
Views: 133,793
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: 1,998
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: 4,946
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: 1,423
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: 1,264
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: 1,355
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: 119,878
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: 1,432
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: 2,036
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: 1,355
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: 119,878
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: 7,323
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: 2,542
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: 1,596
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: 2,542
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: 3,297
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: 1,031
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: 1,031
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: 3,052
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: 3,936
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: 3,936
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: 4,266
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: 1,450
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: 1,099
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: 2,691
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: 3,512
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: 3,512
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: 950
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: 3,637
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.
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