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Search: Posts Made By: David Paule
Forum: My RV Build Project Yesterday, 07:51 PM
Replies: 378
Views: 168,709
Posted By David Paule
Missing Photos?

I discovered that some of the images, hosted by www.Postimage.org, have apparently gone missing or at any rate fail to download on my computer. I'm replacing them as I find them and have time.

So...
Forum: RV-7/7A Yesterday, 01:10 PM
Replies: 4
Views: 142
Posted By David Paule
That's the stage where I did mine on my RV-3B....

That's the stage where I did mine on my RV-3B.

Since .008 isn't appropriate for a primary firewall, I decided that I'd use .020 titanium. I used 1/16" Fiberfrax under it as insulation. I used...
Forum: My RV Build Project 08-12-2018, 08:03 PM
Replies: 378
Views: 168,709
Posted By David Paule
Hereís a photo of the RH Side, glued but with the...

Hereís a photo of the RH Side, glued but with the clecos removed.

https://s15.postimg.cc/i1a4nbmor/RH_Side_S.jpg

Once the tunnel side was useable, I removed it and started drilling and checking the...
Forum: RV Building Tips/Techniques 08-11-2018, 02:02 PM
Replies: 10
Views: 635
Posted By David Paule
I use the VAF section "My RV Build Project."...

I use the VAF section "My RV Build Project." Fortunately, I know how to post photos.

It's easy enough. I back up each posting and each page to PDF, so I print them if I want to. Although with over...
Forum: RV General Discussion/News 08-09-2018, 06:11 PM
Replies: 10
Views: 940
Posted By David Paule
Ditto what Hacker said. Dave

Ditto what Hacker said.

Dave
Forum: RV-14 08-09-2018, 12:20 PM
Replies: 12
Views: 1,017
Posted By David Paule
Before doing any of that stuff, reach in with...

Before doing any of that stuff, reach in with something like a wooden stick and bend the web flat. That by itself might get the flange a lot closer to the skin.

You might need to put a slot in a...
Forum: My RV Build Project 08-06-2018, 07:35 PM
Replies: 378
Views: 168,709
Posted By David Paule
Well, with a bit of help from Sam Ritchie, local...

Well, with a bit of help from Sam Ritchie, local RV-10 builder, we glued the RH forward side skin on today. This is the cockpit side. This was the culmination of considerably more effort than had...
Forum: Tools 08-04-2018, 09:32 AM
Replies: 8
Views: 610
Posted By David Paule
I typically pull them out while the epoxy is set...

I typically pull them out while the epoxy is set but not fully cured, replacing them with fresh.

Then they sit until completely cured or until I get around to it, whichever is later. Being lazy...
Forum: RV Ongoing Maintenance Issues 08-03-2018, 10:41 AM
Replies: 2
Views: 445
Posted By David Paule
Email sent. Dave

Email sent.

Dave
Forum: RV-12 08-02-2018, 02:42 PM
Replies: 38
Views: 4,316
Posted By David Paule
Email sent to Joe. Dave

Email sent to Joe.

Dave
Forum: RV-12 08-02-2018, 08:07 AM
Replies: 38
Views: 4,316
Posted By David Paule
Joe, in post #21, you link to this...

Joe, in post #21, you link to this photo:

http://joesrv12.com/Photo/A_20_03.jpg

If this is a sample of your tiedown rings, please, at least generously (as much as possible) round the edges of the...
Forum: Safety 08-01-2018, 11:15 AM
Replies: 0
Views: 215
Posted By David Paule
Old Belts and Harnesses

I've got a Cessna in addition to the RV-3B that I'm building. I contacted the company that made my aftermarket belts and shoulder harnesses and got a prompt reply. Not bad for something I'd bought 30...
Forum: RV General Discussion/News 07-31-2018, 06:35 PM
Replies: 12
Views: 911
Posted By David Paule
I bet there's an easier way, but I happen to know...

I bet there's an easier way, but I happen to know of one rather labor-intensive method of doing this, not that you'll want to do it this way.

1. Remove the tank from the wing. And to make it easier,...
Forum: RV General Discussion/News 07-29-2018, 05:48 PM
Replies: 26
Views: 2,939
Posted By David Paule
You might be able to conjure up a bit more...

You might be able to conjure up a bit more airflow through the cooling system by taxiing in someone else's prop wash. During a long hold before take off one year there I did just that and it...
Forum: RV General Discussion/News 07-21-2018, 03:17 PM
Replies: 680
Views: 132,572
Posted By David Paule
Is there an advantage to a toggle switch as shown...

Is there an advantage to a toggle switch as shown rather than a push button momentary switch?

Dave
Forum: RV General Discussion/News 07-21-2018, 03:13 PM
Replies: 8
Views: 523
Posted By David Paule
I can tell you one advantage of the MS21042...

I can tell you one advantage of the MS21042 nuts.... on one of our airplanes, they save about a pound.

Dave
Forum: My RV Build Project 07-21-2018, 01:27 PM
Replies: 378
Views: 168,709
Posted By David Paule
Before I can glue the forward side skins on, the...

Before I can glue the forward side skins on, the tunnels have to go on, at least where they fit in between the side skin and the lower longeron. Since I did a poor job on the left one, it’s on order...
Forum: ADS-B 07-20-2018, 08:08 PM
Replies: 12
Views: 1,899
Posted By David Paule
I'm a firm supporter of an iPad and plan to have...

I'm a firm supporter of an iPad and plan to have one in my RV-3B. However, I do believe I'd want something a little better suited to the cockpit environment for critical information that isn't...
Forum: Tools 07-20-2018, 11:31 AM
Replies: 19
Views: 904
Posted By David Paule
Gee, I just use another nutplate. Put a screw or...

Gee, I just use another nutplate. Put a screw or a cleco in to hold it, drill one rivet hole. Drop a cleco in there, drill the other. Once in a while, rivet the nutplate to the airframe and use...
Forum: RV General Discussion/News 07-19-2018, 07:01 PM
Replies: 13
Views: 2,253
Posted By David Paule
When I changed engines on my non-RV, I...

When I changed engines on my non-RV, I powder-coated the baffles. It took 600 hours but there is now some paint delamination.

At least bad and more annoying, is that the white powder coat sucks up...
Forum: RV-14 07-18-2018, 08:45 PM
Replies: 14
Views: 897
Posted By David Paule
Try - postimage.org (using the second line down...

Try -
postimage.org (using the second line down once the photo is uploaded)

Imgur.com (probably need a free account there)

Halie.com

All are free, all work well, but expect to have to hunt around...
Forum: RV General Discussion/News 07-18-2018, 06:30 PM
Replies: 19
Views: 742
Posted By David Paule
Okay, I'll ask the question: How do you check...

Okay, I'll ask the question:

How do you check fluid level without crawling down there to peek in?

I've got the brake-mounted ones on my Cessna, and it's a real pain. And there are large doors near...
Forum: RV Photo/Video URLs 07-17-2018, 04:49 PM
Replies: 82
Views: 9,251
Posted By David Paule
I generally use postimage.org. It's easy and...

I generally use postimage.org. It's easy and fast.

Dave
Forum: Tools 07-16-2018, 10:39 AM
Replies: 19
Views: 1,833
Posted By David Paule
Ditto on the coarse-tooth wood blade as BillL...

Ditto on the coarse-tooth wood blade as BillL said in post #3. Works great, cuts fast.

But the cut is rough. I use a 12" disk sander to smooth that out, followed by a Vixen file to finish the...
Forum: RV-12 07-15-2018, 06:38 PM
Replies: 21
Views: 1,552
Posted By David Paule
Ditto with those. I gave up on them after having...

Ditto with those. I gave up on them after having some tube become permanently trapped inside them.

In my opinion, they're worse than worthless - they steal tube from me.

Dave
Forum: RV Building Tips/Techniques 07-14-2018, 11:20 AM
Replies: 5
Views: 804
Posted By David Paule
It's a little hard to tell from the spec, but it...

It's a little hard to tell from the spec, but it seems that the threads must be at least 7/16" long on an AN6 bolt.

I just measured two that had cotter pin holes drilled. From the good thread at the...
Forum: Safety 07-12-2018, 01:45 PM
Replies: 96
Views: 18,689
Posted By David Paule
Once I was visiting friends, a flying couple, and...

Once I was visiting friends, a flying couple, and the guy followed me around while I was preflighting for our departure, talking. Annoying but I didn't say anything. Then after I'd closed a large...
Forum: RV-12 07-09-2018, 07:39 PM
Replies: 15
Views: 2,081
Posted By David Paule
I've heard of using 3M's 2216 epoxy from a...

I've heard of using 3M's 2216 epoxy from a syringe.

Dave
Forum: RV General Discussion/News 07-09-2018, 07:34 PM
Replies: 7
Views: 552
Posted By David Paule
My Cessna uses a cork gasket. When I install one,...

My Cessna uses a cork gasket. When I install one, I coat it with oil on both sides. They seem to last a couple decades but then need replacement.

On my RV-3B, I used tank sealant, but I used the...
Forum: RV-8/8A 07-09-2018, 12:35 PM
Replies: 7
Views: 564
Posted By David Paule
The article that Carl linked to says not to use...

The article that Carl linked to says not to use the tape on Lexan, but it doesn't say that for acrylic. I think that the canopies are acrylic.

Dave
Forum: Glass Cockpit 07-09-2018, 12:27 PM
Replies: 9
Views: 821
Posted By David Paule
Don't forget to use nutplates. (I just examined...

Don't forget to use nutplates.

(I just examined an old panel that I built when I was about 25, very many years ago. No nutplates but many small nuts. Ugh!)

Dave
Forum: RV General Discussion/News 07-08-2018, 07:24 PM
Replies: 6
Views: 1,188
Posted By David Paule
Also worth considering, is your own condition...

Also worth considering, is your own condition when they occur. If you expect to be tired, dehydrated, needing to go to the bathroom, or whatever else, that increases the difficulty of the...
Forum: Electrical Systems 07-08-2018, 07:20 PM
Replies: 7
Views: 739
Posted By David Paule
What's typically done is to make a main power...

What's typically done is to make a main power bus. This has some sort of current limiter device between it and the battery contacter. Then the fuses and breakers and switch breakers are all in...
Forum: Traditional Aircraft Engines 07-07-2018, 06:36 PM
Replies: 0
Views: 269
Posted By David Paule
ARP Carburetor Ice Detector

I've got one of these devices (Spruce sells them) in my Cessna, and like it so much that I bought one for my RV-3B, too. I regard it as essential if you're flying a carburetor. I've mentioned that...
Forum: RV General Discussion/News 07-07-2018, 01:09 PM
Replies: 39
Views: 3,032
Posted By David Paule
That's what the firewall is there to...

That's what the firewall is there to prevent.

I'd rather have it be there than in the cabin.

Dave
Forum: Rocket 07-07-2018, 11:07 AM
Replies: 26
Vne
Views: 2,786
Posted By David Paule
Study up on flutter before attempting to exceed...

Study up on flutter before attempting to exceed redline. It's potentially dangerous. It can destroy your airplane in a fraction of a second with no warning.

There are ways to test for flutter. They...
Forum: My RV Build Project 07-06-2018, 05:38 PM
Replies: 378
Views: 168,709
Posted By David Paule
Belly Rivets

Riveted the seat belly skins and the belly skin that’s immediately aft of the firewall. The Titanium overlay did not get riveted on at this stage. Since the fuselage is still upside down in the jig,...
Forum: Tools 07-05-2018, 05:25 PM
Replies: 14
Views: 1,464
Posted By David Paule
If you guys are talking about The Yard Store, so...

If you guys are talking about The Yard Store, so far I've only gotten some good stuff from them. Typically the same brand names I look for elsewhere, with good prices and very fast service.

That...
Forum: Tools 07-05-2018, 03:01 PM
Replies: 14
Views: 1,464
Posted By David Paule
They mostly all give decent service. Add The...

They mostly all give decent service.

Add The Yard Store to your list. They have a wide selection of tools and great prices.

Dave
Forum: My RV Build Project 07-05-2018, 09:18 AM
Replies: 378
Views: 168,709
Posted By David Paule
This isn't the main stuff I've been working on...

This isn't the main stuff I've been working on lately but it's part of the project.

I’d gotten one of Gil Alexander's Skyview network hub printed wiring boards and the rest of the components, all...
Forum: RV General Discussion/News 07-01-2018, 10:13 AM
Replies: 36
Views: 4,235
Posted By David Paule
Why is that? Thanks, Dave

Why is that?

Thanks,
Dave
Forum: Alternative Engines 06-29-2018, 07:38 PM
Replies: 7
Views: 1,029
Posted By David Paule
Much would depend on the specific grade and...

Much would depend on the specific grade and heat-treatment and welding process used for a stainless steel engine mount. While 4130 engine mounts are typically made from normalized 4130, they can be...
Forum: RV General Discussion/News 06-29-2018, 12:12 PM
Replies: 12
Views: 1,253
Posted By David Paule
Photos Right Here on VAF

In fact, here's a good one. (http://www.vansairforce.com/community/showthread.php?t=161690)

Dave
Forum: RV-14 06-27-2018, 07:27 PM
Replies: 10
Views: 881
Posted By David Paule
Van's sells .040 in a variety of sizes. for...

Van's sells .040 in a variety of sizes. for example, AS3-040x2.75x8.969 for $3.25 is 2 3/4 x 8 31/32. Just a bit larger than called for. I don't know the RV-14 at all (I'm building an RV-3B) but...
Forum: RV General Discussion/News 06-26-2018, 09:50 AM
Replies: 19
Views: 2,516
Posted By David Paule
Consider whether you should reduce the pressure...

Consider whether you should reduce the pressure for those rivets. Maybe, maybe not. Try it on a test sample and see.

Dave
Forum: RV General Discussion/News 06-25-2018, 03:12 PM
Replies: 9
Views: 1,647
Posted By David Paule
That's one very, very good-lookin' airplane. As...

That's one very, very good-lookin' airplane. As in exceptional. Congratulations, sir!

Dave
Forum: RV Building Tips/Techniques 06-25-2018, 03:02 PM
Replies: 111
Views: 62,345
Posted By David Paule
What's the difference between these and the Vixen...

What's the difference between these and the Vixen files I've been using on my airframe?

Dave
Forum: Traditional Aircraft Engines 06-24-2018, 07:11 PM
Replies: 19
Views: 4,110
Posted By David Paule
My posting wasn't about mixture adjustment but...

My posting wasn't about mixture adjustment but about shutting off the ignition. It followed (but didn't reference) one that mentioned the concept of shutting down the ignition and turning it back on...
Forum: RV Building Tips/Techniques 06-24-2018, 05:06 PM
Replies: 9
Views: 948
Posted By David Paule
Time involved? I don't know about Pro-Seal, it...

Time involved? I don't know about Pro-Seal, it would depend upon the actual steps used in the process. But I'm gluing my RV-3B fuselage together before riveting it, using a structural glue, and I can...
Forum: Traditional Aircraft Engines 06-22-2018, 08:50 PM
Replies: 19
Views: 4,110
Posted By David Paule
That might work in some engines. One of mine has...

That might work in some engines. One of mine has a failure mode if the engine backfires, an intake balance tube blows off and the engine won't run until it's put back on.

So before accepting that as...
Forum: My RV Build Project 06-20-2018, 07:18 PM
Replies: 378
Views: 168,709
Posted By David Paule
The Titanium layer on the forward belly has a...

The Titanium layer on the forward belly has a portion that needed to be rounded to be part of a more efficient cooling air exit than the stock design. In this view, itís already partly bent. I just...
Forum: RV General Discussion/News 06-19-2018, 08:10 AM
Replies: 680
Views: 132,572
Posted By David Paule
For the folks who have an ADAHRS or magnetometer...

For the folks who have an ADAHRS or magnetometer in the middle of the tailcone somewhere, will this affect their compass calibration?

I'd be concerned that if there was any effect, it would vary day...
Forum: My RV Build Project 06-17-2018, 06:22 PM
Replies: 378
Views: 168,709
Posted By David Paule
Here's the titanium belly overlay in place....

Here's the titanium belly overlay in place. Nothing unusual about this except that the .063 spacers in the middle area under it are forcing it to lay in a mild compound curve, since the perimeter...
Forum: COMM 06-17-2018, 05:38 PM
Replies: 11
Views: 1,085
Posted By David Paule
Here's what the TY91 installation manual...

Here's what the TY91 installation manual states:

========
5.6.6
PTT1/2 Key Input

Two Push to Talk (PTT) inputs are provided, which correspond to the two microphone inputs. Only the corresponding...
Forum: My RV Build Project 06-09-2018, 01:06 PM
Replies: 378
Views: 168,709
Posted By David Paule
After making the titanium belly overlay, I...

After making the titanium belly overlay, I clecoed it in place. Forward is to the left. That overhanging part is to allow for a rounded entry for the air exit....
Forum: RV-9/9A 06-08-2018, 02:13 PM
Replies: 5
Views: 1,067
Posted By David Paule
In my C180, one thing to do is to get the...

In my C180, one thing to do is to get the tailwheel just off the ground as soon as it will lift off. It has significant drag on soft/rough ground. So start with forward elevator to lift it, but...
Forum: RV-14 06-06-2018, 05:10 PM
Replies: 9
Views: 1,059
Posted By David Paule
I can confirm that. See this thread about...

I can confirm that. See this thread about removing Pro-Sealed parts. (www.vansairforce.com/community/showthread.php?t=121151)

Dave
Forum: Safety 06-05-2018, 06:49 PM
Replies: 52
Views: 6,424
Posted By David Paule
Here's an RV-8 elevator picture from the plans....

Here's an RV-8 elevator picture from the plans. I've marked where the hinge is. You can pretty easily see where the rod end is, the nut and the nutplate. Although I'm building an RV-3B, this design...
Forum: RV General Discussion/News 06-04-2018, 11:11 AM
Replies: 21
Views: 1,357
Posted By David Paule
Big improvement. I'm glad that you kept after...

Big improvement.

I'm glad that you kept after this.

Your workmanship was not in question. However, there is a large difference in designing for vibration rather than for strength. Your brace will...
Forum: RV-6/6A 06-02-2018, 06:14 PM
Replies: 9
Views: 1,114
Posted By David Paule
I'm certain that they'd be a lot different than...

I'm certain that they'd be a lot different than the RV-6 ones that Van's designed, but the RV-3B kit uses floor-mounted pedals and brakes.

Dave
Forum: RV General Discussion/News 06-02-2018, 04:39 PM
Replies: 12
Views: 1,256
Posted By David Paule
I have the standard orange stuff on my Cessna...

I have the standard orange stuff on my Cessna 180. It's 1/8" thick and has fiber inside. In spite of that, after around 600 hours, a couple of places have torn. The tears originate adjacent to the...
Forum: RV General Discussion/News 06-02-2018, 09:35 AM
Replies: 21
Views: 1,357
Posted By David Paule
They are not supports. Relationships of this...

They are not supports. Relationships of this nature are not considered, in the jargon of a dynamicist, to constrain the system.




It won't. It will shift the frequency of that, though. For better...
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