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Search: Posts Made By: RV701775
Forum: RV Building Tips/Techniques 09-26-2021, 04:22 PM
Replies: 4
Views: 297
Posted By RV701775
That's cool. In this case it wouldn't work since...

That's cool. In this case it wouldn't work since the flange was on the forward side where the counterbalance skin attaches and I had to flute the rib in this locations. But this will work great for...
Forum: RV Building Tips/Techniques 09-26-2021, 04:01 PM
Replies: 4
Views: 297
Posted By RV701775
Adjusting Rib Flanges`

I was just adjusting the small flange on the forward end of the rudder tip rib for my RV-14 and I had to make a few adjustments to get it to 90. It started out at about 110 degrees, then I adjusted...
Forum: RV-14 09-25-2021, 08:43 PM
Replies: 2
Views: 394
Posted By RV701775
Pg. 07-05 - Rudder R-903 and R-912 Break Edges

I am looking at page 07-05 where it says to "Radius the corners at the forward end of the R-912 Counterbalance Rib and R-903 Top Rib flanges to ease fit when the skins are installed. See Figure...
Forum: RV-14 09-12-2021, 03:28 PM
Replies: 2
Views: 487
Posted By RV701775
E-921 Gusset Drilling

Does anyone remember how they drilled the E-921 gussets on page 09-08 of the plants. If I try to drill from the inside into the forward spar, the other cleco holding the gussett is in the way, even...
Forum: RV-14 09-06-2021, 04:05 PM
Replies: 3
Views: 573
Posted By RV701775
Elevator Close Out Tab Bending

How important is it that the elevator close out tabs be bent exatly 1/32 over the bend line. As you can see in the pictures, it is closer to 1/16 in on the trailing edge. When looked at from the...
Forum: RV-14 08-28-2021, 07:40 AM
Replies: 5
Views: 1,330
Posted By RV701775
Elevator Foam Rib Question

I am about to start fabricating the foam ribs on the elevator, but the question I have is do I sand the blocks down to the black line on the paper template or to the point where the black line is...
Forum: RV-14 08-22-2021, 03:59 PM
Replies: 6
Views: 714
Posted By RV701775
Scott, I see your point, but I just measured a...

Scott,

I see your point, but I just measured a Brown #10 screw dimple die and it has a pilot diameter of 0.193". So what is the solution here? If all of the tool manufacturer's make their pilots...
Forum: RV-14 08-22-2021, 11:57 AM
Replies: 6
Views: 714
Posted By RV701775
Thanks for the feedback. I will likley put a...

Thanks for the feedback. I will likley put a smear of pro-seal as well.

The #12 drill bit is 0.189", too big for a #10 die pilot. I contacted Cleaveland to check the pilot and they stated that "Our...
Forum: RV-14 08-22-2021, 09:23 AM
Replies: 6
Views: 714
Posted By RV701775
Rudder Counterweight Questions

I match drilled the rudder counterweight to the r-912 counter balance rib, but while match drilling in the drill press, it wallowed out the aft hole in the soft lead. The hole in the rib was fine....
Forum: RV-14 08-18-2021, 08:51 PM
Replies: 10
Views: 1,122
Posted By RV701775
I tried it with a Avery hand squeezer and then a...

I tried it with a Avery hand squeezer and then a main squeeze and c-frame. I tightened it to a point where there was some deflection in the yoke. If the rivet sits .007in below flush, is it really...
Forum: RV-14 08-18-2021, 05:55 PM
Replies: 10
Views: 1,122
Posted By RV701775
No, CAT 426-4 is all they say. When ordering them...

No, CAT 426-4 is all they say. When ordering them it was just a standard dimple die from Cleveland.
Forum: RV-14 08-18-2021, 05:46 PM
Replies: 10
Views: 1,122
Posted By RV701775
Below Flush 426-4 Rivets

When dimpling my rear VS spar, I noticed that the heads of the 426-4 rivets sat slightly below flush in the hole after dimpling. I contacted vans and they replied that this would not allow the rivet...
Forum: RV-14 08-14-2021, 01:06 PM
Replies: 2
Views: 514
Posted By RV701775
Dropped Steel Hinge Brackets

While working on my VS rear spar, I accidentally knocked the steel VS-410 hinge brackets off the workbench onto the concrete floor. Any chance of damage here? Visually they look fine. Maybe an little...
Forum: RV Building Tips/Techniques 07-31-2021, 08:21 AM
Replies: 4
Views: 437
Posted By RV701775
I will definitely consider the comments. I found...

I will definitely consider the comments. I found that the DP provides a nice hole.

If there was damage would it be apparent? I don't see anything obvious. The spar is 0.063" so it is pretty thick....
Forum: RV Building Tips/Techniques 07-31-2021, 07:17 AM
Replies: 4
Views: 437
Posted By RV701775
Securing Spars on Drill Press

While drilling my rear HS spar and doubler, I secured it to the drill press using bar clamps with the flanges supporting the...
Forum: RV Building Tips/Techniques 07-28-2021, 11:38 AM
Replies: 3
Views: 602
Posted By RV701775
Drilling Hinge Brackets

I am about to drill the steel predrilled hinge brackets on my RV-14 VS rear spar. Is it better to drill through the steel hinge bracket hole first or the fwd side of the aluminum spar? My only...
Forum: RV Building Tips/Techniques 07-10-2021, 04:04 PM
Replies: 3
Views: 678
Posted By RV701775
Fluting and Re-Fluting

I was fluting a large E-609 counterbalance rib that was a bit challenging to get flat and aligned. This resulted in me fluting, unfluting slightly by using the fluting pliers in the opposite...
Forum: RV Building Tips/Techniques 07-03-2021, 08:03 AM
Replies: 6
Views: 716
Posted By RV701775
Drill Press Technique

I am assuming it is a best practice to use a drill press to match drill spars and other parts when possible. Seems like this is the best option to obtain a nice round and perfectly linear hole.

One...
Forum: RV Building Tips/Techniques 06-12-2021, 01:26 PM
Replies: 0
Views: 321
Posted By RV701775
Drilling Pre-Drilled Steel Hinge Brackets

I am about to drill my VS-411 hinge brackets to the rear spar of my VS and had a question about technique. Should I drill through the pre-drilled holes on the steel hinge bracket first or through the...
Forum: RV-14 06-06-2021, 07:49 AM
Replies: 3
Views: 1,499
Posted By RV701775
R-912 Skin Fit

I was never able to get this to fit. I measured the distance between the two holes on the rib flange and on the skin and they were off by about 3/64ths of an inch off, so no matter how much I remove,...
Forum: RV-14 05-24-2021, 03:49 PM
Replies: 5
Views: 1,035
Posted By RV701775
Rivet VS Spar

Can anyone tell me how they riveted the three rivets connecting the VS 702 spar to the two ribs (VS 705 and 704)? The rivets are not reachable with a standard four inch yoke and I would prefer to...
Forum: RV Building Tips/Techniques 05-24-2021, 10:57 AM
Replies: 15
Views: 1,209
Posted By RV701775
Pneumatic Squeezer

I just wanted to ask a general question regarding a pneumatic squeezer. I currently have the Cleaveland Main Squeeze hand squeezer, but I still have trouble getting a nice chop head with -4 rivets....
Forum: RV-14 05-23-2021, 06:23 AM
Replies: 3
Views: 912
Posted By RV701775
The edge distance would have been compromised if...

The edge distance would have been compromised if I removed the hole completely, so this ws how I rounded the edges.
Forum: RV-14 05-22-2021, 08:18 PM
Replies: 3
Views: 912
Posted By RV701775
Elevator Stiffeners

I was curious how other have finished the edges of the elevator stiffeners. There is limited edge distance to remove the tooling hole on each half, therefore I just rounded the edges of the hole. If...
Forum: Painting your RV 04-26-2021, 07:44 PM
Replies: 11
Views: 1,374
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: 11
Views: 1,374
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: 11
Views: 1,374
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: 11
Views: 1,374
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: 1,157
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: 1,157
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: 978
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: 3
Views: 1,499
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: 1,287
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: 1,287
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: 1,054
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: 1,054
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: 1,136
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: 1,136
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: 1,281
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: 1,281
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: 1,281
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: 1,323
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: 1,874
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: 1,874
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: 1,548
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: 1,548
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: 1,118
Posted By RV701775
Thanks Terry

Thanks Terry
Forum: RV-7/7A 06-20-2020, 01:59 PM
Replies: 2
Views: 1,118
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: 903
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: 903
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: 2,091
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: 2,042
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: 665
Posted By RV701775
Thanks for the feedback.

Thanks for the feedback.
Forum: RV-7/7A 05-10-2020, 08:57 AM
Replies: 2
Views: 665
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: 1,411
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: 1,411
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: 1,411
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: 1,411
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: 2,085
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: 1,192
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: 1,192
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: 1,192
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: 9,675
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: 1,094
Posted By RV701775
It was the factory powered coat from Vans.

It was the factory powered coat from Vans.
Showing results 1 to 64 of 93

 
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