VansAirForceForums  
Home > VansAirForceForums

- POSTING RULES
- Donate yearly (please).
- Advertise in here!

- Today's Posts | Insert Pics


Go Back   VAF Forums > Search Forums
Register FAQ Members List Calendar Search Today's Posts Mark Forums Read

Showing results 1 to 62 of 83
Search took 0.01 seconds.
Search: Posts Made By: spaceflightmeow
Forum: RV General Discussion/News 04-06-2018, 11:44 AM
Replies: 3
Views: 698
Posted By spaceflightmeow
Reply from Van's Looks like they agree, Build...

Reply from Van's


Looks like they agree, Build On.

I was able to get a better centered rod end today. Previously, I lined up the bit to the tube in the V block and went for it. Now, I let the drill...
Forum: RV General Discussion/News 04-05-2018, 11:06 AM
Replies: 3
Views: 698
Posted By spaceflightmeow
W818 rod end rivet misalignment

I don't like the way my W818 rod end rivets came out. As you can see in the photo, the two rivets are not 90 degrees to each other, and don't pass directly through the tube center. I drilled through...
Forum: Tools 03-11-2018, 01:13 PM
Replies: 5
Views: 2,045
Posted By spaceflightmeow
Question Alternatives to double-offset rivet set?

There are plenty of threads here expressing exasperation or defeat after attempting to use a double-offset rivet set for 1/8" AN470 rivets. It is a tricky job: one hand bucks, the other hand squeezes...
Forum: My RV Build Project 05-28-2017, 03:38 PM
Replies: 65
Views: 52,083
Posted By spaceflightmeow
Please reconsider letting sealant partially cure...

Please reconsider letting sealant partially cure before riveting. Good discussion of riveting within the sealant work life:
http://www.eng-tips.com/viewthread.cfm?qid=413564

A good quote from that:
Forum: RV General Discussion/News 05-27-2017, 07:06 PM
Replies: 3
Views: 1,199
Posted By spaceflightmeow
Careful, the "substructure" dies are 0.011" deep,...

Careful, the "substructure" dies are 0.011" deep, while the tank dies are 0.007" deep.

I think 0.011" is possibly too deep.

See...
Forum: RV General Discussion/News 05-27-2017, 06:47 PM
Replies: 3
Views: 1,199
Posted By spaceflightmeow
Experiment: Tank dies for substructure dimpling

Preparing to dimple my wing ribs, I decided to test whether I could tell the difference when tank dies were used to dimple the substructure.

I drilled two test sheets, drilled #40, dimpled with...
Forum: RV-10 05-25-2017, 06:54 PM
Replies: 16
Views: 2,946
Posted By spaceflightmeow
Not sure of the specific area you're referring to...

Not sure of the specific area you're referring to but if the concern is about smileys from a flush set, I can say that my Avery swivel flush set has made that a non-issue, since the rubber cub around...
Forum: My RV Build Project 05-22-2017, 06:18 PM
Replies: 65
Views: 52,083
Posted By spaceflightmeow
Nice going. Have you run out of clean clecos yet?...

Nice going. Have you run out of clean clecos yet? By the way, Proseal comes off the skin with rubbing alcohol really easy and doesn't irritate the skin (at least not my skin).

Speaking of...
Forum: Tip up canopy vs. Sliding canopy 05-05-2017, 12:00 PM
Replies: 21
Views: 8,177
Posted By spaceflightmeow
In my humble opinion, you should post your gripes...

In my humble opinion, you should post your gripes here for others to learn from. Otherwise this is 1 cent short of a 2 cent post...
Forum: RV General Discussion/News 04-30-2017, 04:07 PM
Replies: 2
Views: 1,204
Posted By spaceflightmeow
OK, how many flats? At least this is a machined...

OK, how many flats? At least this is a machined fitting, so I don't have to worry as much about the material yielding and failing (like the infamous 3003 soft tubing). But still, is 120 in-lbs, 2...
Forum: RV General Discussion/News 04-30-2017, 03:04 PM
Replies: 2
Views: 1,204
Posted By spaceflightmeow
Torque for Van's flop tube to AN833 fitting?

I am trying to attach the fuel tank flop tube to the AN833-6D bulkhead fitting by torqueing piece 1 in the picture (I think this is called an AN818 nut). I have found various torque...
Forum: RV General Discussion/News 04-24-2017, 03:15 PM
Replies: 7
Views: 2,752
Posted By spaceflightmeow
I'm at the same step. Tried to load all the...

I'm at the same step. Tried to load all the rivets in and backrivet all at once. Did not set the rivets well, they kind of backed into the holes. Had to drill them out and clean off all the proseal....
Forum: RV General Discussion/News 04-23-2017, 10:06 AM
Replies: 10
Views: 2,588
Posted By spaceflightmeow
Too late, already wiped the stiffener rivet areas...

Too late, already wiped the stiffener rivet areas down last night (the clock was running with about 10 hours on the cure). Acetone works like a charm.

Reading up on paint blisters...seems like one...
Forum: RV General Discussion/News 04-22-2017, 10:29 PM
Replies: 10
Views: 2,588
Posted By spaceflightmeow
Question Acetone wipe proseal before or after cure?

Does proseal come off easily with acetone once it's fully cured, or should I clean up any excess/spatters before cure?

I just finished riveting the stiffeners on my tanks. The outsides of the skins...
Forum: Web Site Development 04-13-2017, 03:49 PM
Replies: 5
Views: 12,870
Posted By spaceflightmeow
VAF forum emails from (unknown sender)

Whenever I get emails from the VAF forums (for PMs, subscribed threads, etc), Gmail flags them as (unknown sender) and marks them as spam. Google's reason: "It is in violation of Google's recommended...
Forum: RV Photo/Video URLs 04-12-2017, 02:53 PM
Replies: 34
Views: 40,722
Posted By spaceflightmeow
imgur.com Fast and simple.

imgur.com
Fast and simple.
Forum: California 03-26-2017, 12:03 AM
Replies: 9
Views: 2,691
Posted By spaceflightmeow
Sent you a PM.

Sent you a PM.
Forum: RV-10 07-28-2016, 10:40 PM
Replies: 21
Views: 3,860
Posted By spaceflightmeow
Fay sealing is not the opposite of wet setting

The method in the Van's build manual is "fay sealing", because the sealant is applied to faying surfaces. If you read Rick Galati's post (http://www.vansairforce.com/community/showthread.php?t=7602),...
Forum: RV General Discussion/News 07-25-2016, 11:31 PM
Replies: 11
Views: 3,035
Posted By spaceflightmeow
Raised "vein" on backside of flare

On an unrelated note, the photo shows a slightly raised "vein" on the back side of the flare, caused by the tube extruding into the gap between the two halves of the dies in the Rolo Flair tool. This...
Forum: RV General Discussion/News 07-25-2016, 11:26 PM
Replies: 11
Views: 3,035
Posted By spaceflightmeow
I'm embarassed to admit that I thought the...

I'm embarassed to admit that I thought the orientation shown in the picture is 90 degrees. Then again I didn't look too closely, since there was a bit of wobble to the wrench thanks to the 1/4" to...
Forum: RV General Discussion/News 07-24-2016, 07:47 PM
Replies: 11
Views: 3,035
Posted By spaceflightmeow
I got a 3/8 to 1/4 adapter and a 3/8 crows foot...

I got a 3/8 to 1/4 adapter and a 3/8 crows foot set, installed the crowfoot at 90 deg to the torque wrench and torqued a couple of test fittings to 65 in-lbs. Here's the first one after I torqued it,...
Forum: RV General Discussion/News 07-24-2016, 03:03 PM
Replies: 11
Views: 3,035
Posted By spaceflightmeow
Torqueing AN818 nuts for vent and fuel lines?

I'm working on installing the vent tube in the RV-7 fuel tank but I'm puzzled on how to torque the AN818 nut.

The tank vent tube is 1/4" 3003 AL and takes a AN818-4D nut. AC43.13 says to torque the...
Forum: RV-7/7A 07-17-2016, 09:48 PM
Replies: 2
Views: 650
Posted By spaceflightmeow
I ended up cutting flush with the ring ID...

I ended up cutting flush with the ring ID (5-1/4"). Sure enough, Figure 5-13 in the manual shows it cut that way. Works for me.
Forum: RV-7/7A 07-17-2016, 06:24 PM
Replies: 2
Views: 650
Posted By spaceflightmeow
inboard tank rib hole size for access plate?

I can't find the diameter of the hole to be cut in the inboard tank rib for the access plate. The section B-B' drawing seems to suggest that the hole should be slightly smaller than the ID of the...
Forum: RV General Discussion/News 05-26-2016, 05:08 PM
Replies: 4
Views: 1,479
Posted By spaceflightmeow
snark level: maximum edit: OK, i...

snark level: maximum

edit: OK, i exaggerate.

Seems like the forum software does not have an option to provide more timely updates.
Forum: RV General Discussion/News 05-25-2016, 04:50 PM
Replies: 4
Views: 1,479
Posted By spaceflightmeow
Question How to use the classified section

What's the trick to catching a new listing on the classified section as soon as it's posted? I have a subscription to the classified section, but I can't find a way to change the time or frequency...
Forum: RV-7/7A 04-08-2016, 04:43 PM
Replies: 14
Views: 4,037
Posted By spaceflightmeow
Read and understood. I called Van's, the reply...

Read and understood.

I called Van's, the reply came back with the standard "there are probably thousands of RVs flying with the rivets like that", which implies "build on and don't worry about it".
Forum: RV-7/7A 04-08-2016, 08:16 AM
Replies: 14
Views: 4,037
Posted By spaceflightmeow
Well, I tried it. Here's a test piece with a...

Well, I tried it.

Here's a test piece with a hole 5/16" from the flange per the drawing, with an LP4-3 rivet installed. I bent the rivet stem and slid on the wedge piece you see to the left so that...
Forum: RV-7/7A 04-05-2016, 10:52 PM
Replies: 14
Views: 4,037
Posted By spaceflightmeow
I see what you're saying, but the FL706A bracket...

I see what you're saying, but the FL706A bracket seems thick enough at 0.125" for that not to be an issue.

That said, I do not own a spot facing tool and haven't done that before. I think I might be...
Forum: RV-7/7A 04-05-2016, 04:25 PM
Replies: 14
Views: 4,037
Posted By spaceflightmeow
I've scoured the web's various build logs, nobody...

I've scoured the web's various build logs, nobody seems to point out this issue. One of my builder buddies also mentioned he did have it sit proud a bit and just squeezed it down.

I'm tempted to...
Forum: RV-7/7A 04-02-2016, 08:40 PM
Replies: 14
Views: 4,037
Posted By spaceflightmeow
Question FL-706A pop rivet lacks edge distance

When match drilling the FL-706 bracket to the flap spar, I have a problem with edge distance.

Here you see FL-706A's flange flush to the edge of the spar.

http://i.imgur.com/thYE4qG.jpg

I...
Forum: RV General Discussion/News 11-24-2015, 06:09 PM
Replies: 30
Views: 5,948
Posted By spaceflightmeow
Thanks for the clarification. What you're...

Thanks for the clarification.



What you're saying makes sense. If you don't mind my asking, where does this common protocol come from?
Forum: RV General Discussion/News 11-24-2015, 10:56 AM
Replies: 30
Views: 5,948
Posted By spaceflightmeow
It looks like the analysis is correct, I was...

It looks like the analysis is correct, I was trying to draw some conclusions. In this case the bolts are loaded in tension and shear due to the bending moment, but nonetheless it seems that the...
Forum: RV General Discussion/News 11-23-2015, 09:08 AM
Replies: 30
Views: 5,948
Posted By spaceflightmeow
Z-bracket bolt loading

I remember reading your article in Kitplanes a few months ago (which is great, thanks for writing it!) You showed an example free body diagram analysis on the Z bracket. Here's the example...
Forum: RV-7/7A 11-23-2015, 09:03 AM
Replies: 20
Views: 4,144
Posted By spaceflightmeow
The Checkoway method helps you locate the baffle...

The Checkoway method helps you locate the baffle rivet holes on the Z-bracket flange, after the bolt holes are drilled on the other flange. I executed the steps the same way as Jason Beaver, by match...
Forum: RV-7/7A 11-23-2015, 12:52 AM
Replies: 20
Views: 4,144
Posted By spaceflightmeow
Over on this AN3 bolt discussion...

Over on this AN3 bolt discussion (http://eaaforums.org/showthread.php?1624-Reaming-bolt-holes&p=13074&viewfull=1#post13074) thread, there seems to be no concern about using a #11 hole for an AN3...
Forum: RV General Discussion/News 11-23-2015, 12:44 AM
Replies: 30
Views: 5,948
Posted By spaceflightmeow
More digging, I found this interesting discussion...

More digging, I found this interesting discussion on AN3 bolts (http://eaaforums.org/showthread.php?1624-Reaming-bolt-holes&p=13074&viewfull=1#post13074)



So what I take from that is, AN3 bolts are...
Forum: RV General Discussion/News 11-22-2015, 07:52 PM
Replies: 30
Views: 5,948
Posted By spaceflightmeow
Doing the math, that 0.01" radius results in a...

Doing the math, that 0.01" radius results in a 0.00414" deep fillet, which is very shallow indeed. Deburring the hole with a single twist of a drill bit would create the needed chamfer to care of...
Forum: RV General Discussion/News 11-22-2015, 06:40 PM
Replies: 30
Views: 5,948
Posted By spaceflightmeow
I just ran out to the shop, took a #12 reamed...

I just ran out to the shop, took a #12 reamed hole with no countersink on it, and installed an AN3 bolt. It sat on the radius. I then torqued a nut and washer on the opposite side, then untorqued it....
Forum: RV General Discussion/News 11-22-2015, 06:14 PM
Replies: 30
Views: 5,948
Posted By spaceflightmeow
Hole accomodates radius?

If the hole has to be large enough to accommodate the radius, and the radius is 0.01" a side, doesn't that mean the hole diameter has to be 0.02" larger than the bolt diameter? That seems excessive....
Forum: RV General Discussion/News 11-22-2015, 05:59 PM
Replies: 30
Views: 5,948
Posted By spaceflightmeow
If the radius doesn't dig in (take the aileron...

If the radius doesn't dig in (take the aileron bracket example), then isn't the bolt bearing surface unsupported?

http://i.imgur.com/DnUQie6.jpg
(Photos borrowed from an online build log, not...
Forum: RV General Discussion/News 11-22-2015, 05:45 PM
Replies: 30
Views: 5,948
Posted By spaceflightmeow
OK, sanity check found...

OK, sanity check found here:
http://www.experimentalaircraft.info/articles/aircraft-building-3.php
(and also in the van's build manual):

Washers must go under the bolt head to act as the bearing...
Forum: RV General Discussion/News 11-22-2015, 05:38 PM
Replies: 30
Views: 5,948
Posted By spaceflightmeow
The pictures above are before tightening. If I...

The pictures above are before tightening. If I were to add a nut and washer (under the nut), then tighten the nut, would the radius just dig into the parent material? Is that acceptable?
Forum: RV General Discussion/News 11-22-2015, 05:28 PM
Replies: 30
Views: 5,948
Posted By spaceflightmeow
It's our old friend the Z-bracket. Here's an...

It's our old friend the Z-bracket.
Here's an example:
http://i.imgur.com/3ah1zDQ.jpg

EDIT: Answering my own question I guess.

In the case of the Z-brackets, their IS a washer under the bolt. So...
Forum: RV General Discussion/News 11-22-2015, 05:05 PM
Replies: 30
Views: 5,948
Posted By spaceflightmeow
Countersink hole for AN bolt?

Say I have an AN3 bolt. The grip measures 0.189" with a caliper. I install it into a 0.189" reamed hole. However, there's a radius between the grip and the bearing surface of the bolt head, so the...
Forum: RV-7/7A 11-21-2015, 03:09 PM
Replies: 20
Views: 4,144
Posted By spaceflightmeow
Floating nutplate option

I really appreciate the continued advice. Let me try to understand a couple more things.

The Z bracket holes were reamed to #12 (0.189") to accept the AN3 bolts. The #10 size nutplate jig I found...
Forum: RV-7/7A 11-21-2015, 10:14 AM
Replies: 20
Views: 4,144
Posted By spaceflightmeow
You're right, there's no stress requirement on...

You're right, there's no stress requirement on those rivets - that's why I ask if it's OK to elongate the holes. Doing so eliminates adding two fresh holes to the Z-brackets.

I suppose I could also...
Forum: RV-7/7A 11-20-2015, 02:22 PM
Replies: 20
Views: 4,144
Posted By spaceflightmeow
Re-use old nutplate rivet holes with fresh nutplate?

OK, will consider getting the nutplate jig.

One question about the re-installing new nutplates: If I were to bolt on a fresh nutplate and re-use the original rivet holes, but they don't line up with...
Forum: RV-7/7A 11-20-2015, 10:20 AM
Replies: 20
Views: 4,144
Posted By spaceflightmeow
Some of the shavings are from the bolt, nutplate

I should note, also, that a virgin nutplate and bolt lubed with Boelube paste #70307-12 still produces quite a few shavings:

http://i.imgur.com/pYYiylu.jpg

EDIT: When I say "virgin", I mean the...
Forum: RV-7/7A 11-20-2015, 10:13 AM
Replies: 20
Views: 4,144
Posted By spaceflightmeow
Nutplate alignment with bolt

OK, I will install a bolt in the nutplate before riveting it. Makes sense.

On the Z brackets, I bolted on a sacrificial nutplate to match drill the rivet holes. So at that point the rivet holes...
Forum: RV-7/7A 11-19-2015, 11:16 PM
Replies: 20
Views: 4,144
Posted By spaceflightmeow
Z-bracket hole thread damage & cuttings

After tightening the bolts on the right wing Z-brackets for the first time, I noticed some cuttings and residue on the bolt.

http://imgur.com/a/aUbmS
http://i.imgur.com/XXTvFGX.jpg
EDIT: airguy,...
Forum: RV-7/7A 11-19-2015, 12:02 PM
Replies: 5
Views: 1,826
Posted By spaceflightmeow
deburring

Of course these will be deburred!

I found a thread where there was a comparable gap:
http://www.vansairforce.com/community/showthread.php?t=94518

So I think I feel better about pressing on.
Forum: RV-7/7A 11-19-2015, 10:44 AM
Replies: 5
Views: 1,826
Posted By spaceflightmeow
Wing skin gap 1/32"

Hi all,
I need some advice.

I clecoed the right wing skins onto the skeleton, clecoed the leading edge and tank on. I have gaps between the main and leading edge/tank skins. The gap varies along the...
Forum: RV-7/7A 08-07-2015, 02:32 PM
Replies: 5
Views: 2,362
Posted By spaceflightmeow
Thanks for the advice, all. I kind of figured...

Thanks for the advice, all. I kind of figured option #2 was the way to go.

For the right wing, I have drilled the main and leading edge skins to the ribs, but not the main spar. However, this was...
Forum: RV-7/7A 08-05-2015, 06:47 PM
Replies: 5
Views: 2,362
Posted By spaceflightmeow
Order of match drilling leading edge to main spar flange

Hello,
I've clecoed my leading edge together, clecoed that to the spar, and match drilled all skin to main rib holes, except the skin to main spar holes.

Wondering when (or if) I should match drill...
Forum: RV General Discussion/News 12-04-2014, 10:09 AM
Replies: 0
Views: 704
Posted By spaceflightmeow
Anyone fly with a Natilus Lifeline? (Marine VHF/GPS)

I'm thinking of picking up one of these radios for a diving trip.
http://www.nautiluslifeline.com/nautilus_lifeline

This seems like a useful thing to pack on an a water crossing flight as well, in...
Forum: RV-7/7A 11-05-2014, 10:45 AM
Replies: 6
Views: 2,191
Posted By spaceflightmeow
When to drill wing leading edge ribs to spar?

Two simple questions for you all:

First question: In the wing skeleton assembly section, "main rib/spar assembly" subsection, the instructions say to fit the main ribs (W-710, 711, 712) to the spar...
Forum: Tools 08-08-2014, 09:26 AM
Replies: 6
Views: 12,381
Posted By spaceflightmeow
Thanks guys, works good now!

Thanks guys, works good now!
Forum: Tools 08-07-2014, 10:22 PM
Replies: 6
Views: 12,381
Posted By spaceflightmeow
I read the manual one more time. It says "fill...

I read the manual one more time. It says "fill only to the top of the frame", which means to the red line in my picture. Will go try that...
Forum: Tools 08-07-2014, 10:19 PM
Replies: 6
Views: 12,381
Posted By spaceflightmeow
How much oil in Harbor Freight pneumatic riveter?

I got the 3/16" Harbor Freight pop riveter. I installed the 1/8" nosepiece and test pulled a couple of 1/8" rivets (just in the gun, not installed in a hole). It took two pulls to cut the stem off...
Forum: RV-7/7A 06-09-2014, 03:18 PM
Replies: 4
Views: 1,642
Posted By spaceflightmeow
Aircraft Spruce's sheet metal runs as thin as...

Aircraft Spruce's sheet metal runs as thin as 0.016". I need a 0.010" shim. It seems like I'm almost better off not shimming, and instead shaving the AEX down a bit.
Forum: RV-7/7A 06-08-2014, 12:11 PM
Replies: 4
Views: 1,642
Posted By spaceflightmeow
Tiedown spacer gap?

I'm making the tiedowns. When I lay the spacer (W-725) on the spar web, and place the tiedown (W-731) resting on the reinforcement bars, there is a gap between spacer and tiedown. The reinforcement...
Showing results 1 to 62 of 83

 
Forum Jump

All times are GMT -6. The time now is 10:45 PM.


The VAFForums come to you courtesy Delta Romeo, LLC. By viewing and participating in them you agree to build your plane using standardized methods and practices and to fly it safely and in accordance with the laws governing the country you are located in.