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Search: Posts Made By: RV701775
Forum: Painting your RV 04-26-2021, 07:44 PM
Replies: 10
Views: 365
Posted By RV701775
Thanks for the advice. I will scuff the old...

Thanks for the advice. I will scuff the old primer with 400 grit to remove any loose primer and then use the prekote.
Forum: Painting your RV 04-26-2021, 04:23 PM
Replies: 10
Views: 365
Posted By RV701775
What should I do with the parts already primed?...

What should I do with the parts already primed? Just scuff them up and try to remove any loose paint? I would prefer not not to try and strip them.
Forum: Painting your RV 04-26-2021, 04:00 PM
Replies: 10
Views: 365
Posted By RV701775
Yes, I let it sit for 30 minutes after mixing.

Yes, I let it sit for 30 minutes after mixing.
Forum: Painting your RV 04-26-2021, 03:55 PM
Replies: 10
Views: 365
Posted By RV701775
AKZO Primer Issues

I have been priming my RV with AKZO and using PreKote with maroon scotchbrite to prep. I previously used this primer without issue, in fact, it was bulletproof. I purchased a new batch of two gallons...
Forum: Primers 03-21-2021, 04:16 PM
Replies: 6
Views: 829
Posted By RV701775
Reply

It is on the spars of the VS. Not the outside of the skin. Some may be visible at a few locations, so I was going to try and sand it out and respray the small areas.
Forum: Primers 03-21-2021, 03:30 PM
Replies: 6
Views: 829
Posted By RV701775
Orange Peel Removal

I just primed my VS with AKZO and there are some small areas with orange peel that I would like to remove. What is best way to remove and respray small areas without leaving marks in the primer coat....
Forum: RV-14 01-23-2021, 06:35 AM
Replies: 0
Views: 628
Posted By RV701775
Rivet Pitch/Spacing Question

I have a question regarding rivet pitch. I elongated one of the holes by 7/64in in the end of the rudder counterbalance rib where the skin wraps around the forward end of the rib. Vans recommended...
Forum: RV-14 12-14-2020, 07:00 PM
Replies: 1
Views: 685
Posted By RV701775
Adjusting Rib Flanges

I had some trouble getting the rudder skin to fit around the R-912 counter balance rib. This required me to make quite a few adjustments to the flanges to get them to 90 degrees. I was probably a bit...
Forum: RV-14 12-13-2020, 02:22 PM
Replies: 5
Views: 893
Posted By RV701775
Thanks. It is a fairly small amount and the...

Thanks. It is a fairly small amount and the trailing edge has already been drilled, so changing to out may cause more harm than good, and I am not sure if I trimmed it again that I would get a...
Forum: RV-14 12-13-2020, 08:54 AM
Replies: 5
Views: 893
Posted By RV701775
Rudder Trailing Edge Trim Question

When trimming the trailing edge flush with the rudder skin at the top side of the rudder, I had to remove a bit extra to remove all of the lighting hole at the top. This resulted in the wedge being...
Forum: RV Building Tips/Techniques 09-19-2020, 08:36 AM
Replies: 7
Views: 824
Posted By RV701775
Thanks everyone. My main thought is to use this...

Thanks everyone. My main thought is to use this approach on the trailing edge of the rudder to partially set the rivets initially with the TE laying flat. I was concerned about using a spring loaded...
Forum: RV Building Tips/Techniques 09-19-2020, 07:55 AM
Replies: 7
Views: 824
Posted By RV701775
C-Frame Riveting

I recently purchased the mod kit for my Avery C-Frame to allow me to rivet using a 12" back rivet set. Now the base of my set will accept a standard cup set for a rivet gun. I see how this can work...
Forum: RV-7/7A 09-13-2020, 08:57 PM
Replies: 3
Views: 911
Posted By RV701775
Thanks for the advice Jeff.

Thanks for the advice Jeff.
Forum: RV-7/7A 09-13-2020, 08:35 PM
Replies: 3
Views: 911
Posted By RV701775
Squeezer of Bucking Bar?

I have been closing up the rudder and riveting around the edges but I am having trouble keeping the rivet heads from tipping with the squeezer. When I rivet with the bucking bar, I get a perfect...
Forum: RV-7/7A 07-25-2020, 09:01 AM
Replies: 6
Views: 1,095
Posted By RV701775
I haven't riveted it yet. I was just doing the...

I haven't riveted it yet. I was just doing the edge finishing and took too much off the two tips at the top so the radius is less then 1/4in. I would like to try it again without replacing the rear...
Forum: RV-7/7A 07-25-2020, 08:31 AM
Replies: 6
Views: 1,095
Posted By RV701775
It is a -7. So just ream it or drill it without...

It is a -7. So just ream it or drill it without match drilling (e.g. clamp it to the table)? I would rather not drill it with the spar since the holes will enlarge. Thanks!
Forum: RV-7/7A 07-25-2020, 05:24 AM
Replies: 6
Views: 1,095
Posted By RV701775
How to Replace VS Rear Spar Doubler?

I would like to replace only the VS-808PP spar doubler on my rear spar. There were some edge distance issues after I was overly aggressive with edge finishing. How can I replace only this part since...
Forum: RV-7/7A 07-15-2020, 08:12 PM
Replies: 2
Views: 1,161
Posted By RV701775
HS-714 forward spar angle bend

When bending the HS-714 forward HS spar angle, despite carefully bending in a vice with a mallet, I over bent the angle to 7 degrees. I then tapped it back, but it went to 5 degrees and then back to...
Forum: RV-7/7A 06-27-2020, 04:39 PM
Replies: 7
Views: 1,542
Posted By RV701775
I am not sure what the issues is. This is my...

I am not sure what the issues is. This is my third rear spar. Here is my process:

1) Cleco together every other hole. I cleco all holes on the hinge brackets.
2) Drill all holes top down. I clamp...
Forum: RV-7/7A 06-27-2020, 08:45 AM
Replies: 7
Views: 1,542
Posted By RV701775
VS-Rear Spar Hing Bracket Attach Holes

When drilling the VS-410 hinge brackets to the rear spar and doubler, the holes came out slightly oblong despite having everything clamped tightly and the drill held parallel. Some of the oblong...
Forum: RV-7/7A 06-25-2020, 05:08 PM
Replies: 4
Views: 1,294
Posted By RV701775
It was the top rib on the VS. I am about to do...

It was the top rib on the VS. I am about to do the bottom nose rib, so I wanted to double check.
Forum: RV-7/7A 06-25-2020, 04:24 PM
Replies: 4
Views: 1,294
Posted By RV701775
Rib Flange Faceting

I am struggling with how to shape-deburr the nose of the rib flanges. Even if I remove only a little bit to shape the nose section, the rib radius becomes very thin. How do others accomplish this?...
Forum: RV-7/7A 06-20-2020, 06:26 PM
Replies: 2
Views: 1,003
Posted By RV701775
Thanks Terry

Thanks Terry
Forum: RV-7/7A 06-20-2020, 01:59 PM
Replies: 2
Views: 1,003
Posted By RV701775
HS-702 FWD SPAR

I just bent the tabs on the HS-702 forward spar to 6 degrees using wood blocks. Both are at 6 degrees but the bend line on one seems less crisp and bigger radius. I think the block may have shifted...
Forum: RV Building Tips/Techniques 06-11-2020, 09:15 PM
Replies: 2
Views: 706
Posted By RV701775
Thanks for the input John.

Thanks for the input John.
Forum: RV Building Tips/Techniques 06-11-2020, 06:51 PM
Replies: 2
Views: 706
Posted By RV701775
Upper tolerance for rivet head height

I am riveting the stiffeners on the elevators which call for a AN426AD3-3.5 rivets. This appears to be the correct rivet size but the head heights are coming out a bit high (0.065 in), while the...
Forum: RV-7/7A 06-05-2020, 08:47 PM
Replies: 7
Views: 1,813
Posted By RV701775
Prime Trailing Edge Wedge

I actually just primed it without considering the adhesion issue since it is only intended to provide a temporary bond during riveting. Any suggestions about what to do now? Will it be ok if I...
Forum: RV-7/7A 05-31-2020, 07:41 AM
Replies: 10
Views: 1,789
Posted By RV701775
Skin Deburring Question

On skins and other punched parts where there are curves or bends in the punched area there are significant burrs on each side of the curve that I am finding difficult to debur without taking off...
Forum: RV-7/7A 05-10-2020, 12:13 PM
Replies: 2
Views: 564
Posted By RV701775
Thanks for the feedback.

Thanks for the feedback.
Forum: RV-7/7A 05-10-2020, 08:57 AM
Replies: 2
Views: 564
Posted By RV701775
Left Elevator Stiffener Riviting Issue

I riveted the bottom left elevator stiffeners with little issue until I reached the last rivets near the folded edge. I was able to create plenty of room for the rivet gun but because the skin flexes...
Forum: RV-7/7A 05-05-2020, 09:20 AM
Replies: 11
Views: 1,184
Posted By RV701775
Dimpling

Nope, 3/32. Enlarges the hole to around 0.115-0.120 in. Standard die enlarges to about 0.108.
Forum: RV-7/7A 05-05-2020, 08:53 AM
Replies: 11
Views: 1,184
Posted By RV701775
Dimpling

I had the male die on top for the first three holes from the trailing edge. This allowed it to sit flatter. I avoided using the pop-rivet dimple die because the hole comes our excessively enlarged...
Forum: RV-7/7A 05-05-2020, 07:32 AM
Replies: 11
Views: 1,184
Posted By RV701775
Photos

Try this:

https://eaabuilderslog.org/?blprojentry&proj=7YL1dRvO9&e=7d05rkMab&listcat=
Forum: RV-7/7A 05-05-2020, 05:25 AM
Replies: 11
Views: 1,184
Posted By RV701775
Elevator Trailing Edge Dimple

When dimpling the trailing edge stiffener hole, despite being careful to position the elevator as level as possible in the C-Frame, there was a little distortion around the holes, mostly evident on...
Forum: RV-7/7A 04-14-2020, 04:30 PM
Replies: 14
Views: 1,708
Posted By RV701775
How to Cut or Grind Down Rivet Length

I just purchased a rivet cutter but it only works with very long rivets. Is there a way to trim a rivet down without specialized tools to get it to an acceptable length for riveting? (e.g. -4 to...
Forum: RV-7/7A 03-15-2020, 10:32 AM
Replies: 8
Views: 1,010
Posted By RV701775
Oops rivet on elevator stiffener trailing edge

The main question that I have with the -4 rivet is whether the shop head will be low enough to clear the rivet above it at the folded trailing edge.
Forum: RV-7/7A 03-15-2020, 09:34 AM
Replies: 8
Views: 1,010
Posted By RV701775
Oops rivet on elevator stiffener trailing edge

I plan on prosealing between the stiffeners. Are you saying run a bead of proseal under each stiffener or just under this rivet? Can I use a 30 minute epoxy instead. Also will the primer affect...
Forum: RV-7/7A 03-15-2020, 08:37 AM
Replies: 8
Views: 1,010
Posted By RV701775
Oops rivet on elevator stiffener trailing edge

While drilling one of the unpunched aft most stiffener holes in my elevator using the skin as a drill guide, I elongated a hole to approximately 7/64ths. I was planning on drilling it up to round...
Forum: RV Building Tips/Techniques 02-05-2020, 06:48 AM
Replies: 30
Views: 8,840
Posted By RV701775
1/2 Size Oops Rivet

I had a question regarding the overall strength of these rivets compared to a standard -3. The standard 426AD3 rivets that I have from Vans have a factory head diameter of 0.170 in. The NAS1241AD3...
Forum: RV-7/7A 01-26-2020, 06:03 AM
Replies: 3
Views: 983
Posted By RV701775
It was the factory powered coat from Vans.

It was the factory powered coat from Vans.
Forum: RV-7/7A 01-25-2020, 11:00 AM
Replies: 3
Views: 983
Posted By RV701775
Powder Coat Touch-Up

When drilling the VS hinge brackets on the rear spar the white powder coat was scuffed a bit by one of my C-clamps showing some bare metal. What should be used to recoat this material and prevent...
Forum: RV-7/7A 01-06-2020, 04:18 PM
Replies: 6
Views: 919
Posted By RV701775
Build on

Vans says build on.
Forum: RV-7/7A 01-06-2020, 03:55 PM
Replies: 6
Views: 919
Posted By RV701775
HS Forward Spar and Doublers

I used a 1/8th then reamed to final size. I'm not sure what happened, since I was very careful about drill position and clamping the workpieces together.
Forum: RV-7/7A 01-06-2020, 12:27 PM
Replies: 6
Views: 919
Posted By RV701775
HS Forward Spar

When drilling the forward spar to the HS-714 and 710 reinforcement angles the two of the holes were slightly oval and elongated in one direction (aprox 0.137in). The second inboard hole in the...
Forum: RV-7/7A 12-30-2019, 09:08 PM
Replies: 2
Views: 599
Posted By RV701775
Thanks for the input...!

Thanks for the input...!
Forum: RV-7/7A 12-30-2019, 08:17 PM
Replies: 2
Views: 599
Posted By RV701775
HS-609PP Radius on Outside Edge

In a past thread I had discussed how I over radiused the outside edge of the HS-609PP spar reinforcement bar and I ended up replacing it. I am trying to prevent repeating this mistake, but I am...
Forum: RV-7/7A 12-25-2019, 11:18 AM
Replies: 6
Views: 1,298
Posted By RV701775
It was the spar radius that lays against the bar...

It was the spar radius that lays against the bar I was concerned with. It still pops up a bit when laid against the spar. The radius at the end is 1/4in all the way around so no issue.
Forum: RV-7/7A 12-25-2019, 08:33 AM
Replies: 6
Views: 1,298
Posted By RV701775
Not sure where the go-nogo line would be. Isnt it...

Not sure where the go-nogo line would be. Isnt it dependent upon the bend? how do I figure out where that would be?
Forum: RV-7/7A 12-24-2019, 10:07 PM
Replies: 6
Views: 1,298
Posted By RV701775
HS-609PP

I just finished rounding and beveling the edge of the HS-609PP that fits against the rear spar. I am curious if I beveled it too much where it could have removed too much material. I still have 1/4in...
Forum: RV-7/7A 12-15-2019, 02:58 PM
Replies: 12
Views: 1,707
Posted By RV701775
Wire Jock, do you ream the pieces separate or...

Wire Jock, do you ream the pieces separate or while clecoed together?
Forum: RV-7/7A 12-15-2019, 05:55 AM
Replies: 12
Views: 1,707
Posted By RV701775
Reaming #30 Holes Question

I have been match reaming v.s. match drilling my #40 holes in thinner materials (e.g., skin to ribs) with nice results. My #40 reamer has a small point that helps maintain alignment.

On #30 holes...
Forum: RV-7/7A 12-13-2019, 12:49 PM
Replies: 11
Views: 1,688
Posted By RV701775
Thanks everyone for you input!

Thanks everyone for you input!
Forum: RV-7/7A 12-13-2019, 12:47 PM
Replies: 11
Views: 1,688
Posted By RV701775
What do you mean by run-out BJ?

What do you mean by run-out BJ?
Forum: RV-7/7A 12-13-2019, 07:15 AM
Replies: 11
Views: 1,688
Posted By RV701775
Drilling Pre-Punched Holes

Does any one have any suggestions on preventing misalignment of holes when match drilling pre-punched components? I have found that even when I cleco every other hole, sometimes the holes that I am...
Forum: RV-7/7A 11-27-2019, 07:30 PM
Replies: 16
Views: 2,737
Posted By RV701775
How do I fix this?

No matter what I do the rivet seems to tilt to the inside of the stiffener. I have tried different pressures, tilting the back rivet set slightly outward, two different back rivet sets (big black one...
Forum: RV-7/7A 11-27-2019, 09:16 AM
Replies: 16
Views: 2,737
Posted By RV701775
One side of the rivet heads is below the 0.038in...

One side of the rivet heads is below the 0.038in min thickness in listed in the mil-spec and the 0.5 dia thickness. So what I am trying to say is that they were also below the mil-spec on one side...
Forum: RV-7/7A 11-26-2019, 07:39 PM
Replies: 16
Views: 2,737
Posted By RV701775
One issue I noted is that the dimples on the...

One issue I noted is that the dimples on the stiffener are slightly tipped inward. I believe this is due to the proximity of the bend in the stiffener. I also tried using a dimple die that was ground...
Forum: RV-7/7A 11-24-2019, 08:16 PM
Replies: 16
Views: 2,737
Posted By RV701775
Rudder Stiffener Rivets - Drill Out?

I finished setting the AN426AD3-3 rivets on that holed the rudder stiffeners to the skin. I did the math and these rivets area almost exactly the correct length for a 1.5 diameter head. About six of...
Forum: RV-7/7A 11-17-2019, 07:19 AM
Replies: 7
Views: 869
Posted By RV701775
Riveting Nutplate

I am riveting the nutplates on my rudder spar and I am having a challenge getting to to sit flush. I riveted one side while the other side was clecoed. As soon as the Cleco is removed the ear of the...
Forum: RV-7/7A 11-16-2019, 04:28 PM
Replies: 5
Views: 836
Posted By RV701775
Great advise from both. Thanks. The second...

Great advise from both. Thanks. The second question related to whether I can still use the spar? Does it look still serviceable? and should I use the flat set on each hole to remove the indent?
Forum: RV-7/7A 11-16-2019, 12:46 PM
Replies: 5
Views: 836
Posted By RV701775
VS Bottom Ribs Bad Rivet Removal

I decided to drill out one of the -4 rivets attaching the bottom VS ribs to the spar. I ended up drilling a little too deep and damaged a hole in the rib and decided to drill out all three rivets to...
Forum: RV-7/7A 11-08-2019, 12:08 PM
Replies: 5
Views: 1,386
Posted By RV701775
Pro Seal

So you prosealed the bottom of every stiffener? Can I use a 30 minute epoxy? what about prep over primer. Will wiping it with a solvent effect the dried primer? I may do this on the tip of that one...
Forum: RV-7/7A 11-08-2019, 06:59 AM
Replies: 5
Views: 1,386
Posted By RV701775
Elevator Stiffener Oops Question

While match drilling the aft undrilled hole on a center stiffener I elongated it in one direction significantly. I re-drilled it up to #33 for use with a 7/64 (half-size) oops rivet. Two...
Forum: RV-7/7A 09-18-2019, 04:33 PM
Replies: 3
Views: 875
Posted By RV701775
Does it matter if the skin hole is a slightly...

Does it matter if the skin hole is a slightly bigger than the stiffener hole? Won't the rivet swell and fill the hole anyway? Do I really need to enlarge the stiffener or can I just use a standard...
Showing results 1 to 64 of 69

 
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