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Search: Posts Made By: David Paule
Forum: Glass Cockpit Today, 05:47 PM
Replies: 5
Views: 241
Posted By David Paule
I've been making the network cables lately for my...

I've been making the network cables lately for my Dynon Skyview system in my RV-3B. I've found that it's not at all difficult, and checking is also easy. I verify every wire after installation.

Dave
Forum: RV-7/7A Today, 12:39 PM
Replies: 13
Views: 541
Posted By David Paule
Be a little careful of consumables like tank...

Be a little careful of consumables like tank sealant or epoxy and perhaps paint. Some of them have a shelf life. You'll know in plenty of time for needing them and can order them then.

Also, parts...
Forum: RV-7/7A Today, 12:38 PM
Replies: 13
Views: 541
Posted By David Paule
Get some parts bins and start draining and saving...

Get some parts bins and start draining and saving water bottles. Get a labeler that lets you choose the tape you want for the labels. Small parts like nuts and bolts go in the parts bins and rivets...
Forum: Alternative Engines Yesterday, 05:42 PM
Replies: 1
Views: 172
Posted By David Paule
Why do you prefer that engine? Does the vendor...

Why do you prefer that engine?

Does the vendor offer a firewall forward package to go along with the engine?

Do you anticipate needing to make your own cowl or engine/nose gear mount?

Dave
Forum: Electrical Systems Yesterday, 05:36 PM
Replies: 12
Views: 633
Posted By David Paule
The Dynon installation manuals specify the wire...

The Dynon installation manuals specify the wire type, the rate of twist, and which wire goes to each pin position in the connector. It also tells you what color wires to get. At least, this applies...
Forum: Safety 01-22-2022, 10:34 AM
Replies: 47
Views: 3,305
Posted By David Paule
If you go west, VFR, from the eastern parts of...

If you go west, VFR, from the eastern parts of the country, after a while you'll see the mountains in the distance. That is a helpful CO detector.

Dave
Boulder, CO
Forum: Fiberglass 01-22-2022, 10:07 AM
Replies: 7
Views: 461
Posted By David Paule
We can leave the thread up... but if anyone has a...

We can leave the thread up... but if anyone has a few tips for eliminating the micro or Cab-O-Sil floating around in the air, I'd be interested.

Perhaps one could leave the nozzle of the shop vac...
Forum: My RV Build Project 01-21-2022, 07:24 PM
Replies: 606
Views: 387,660
Posted By David Paule
Okay, you could be thinking, I closed earlier...

Okay, you could be thinking, I closed earlier with a shop reorganization and then jumped straight to the panel installation, and then went rambling. What the heck? Well, the EFIS arrival let me do...
Forum: Fiberglass 01-19-2022, 08:16 PM
Replies: 14
Views: 1,227
Posted By David Paule
One thing that might help is heating the shop,...

One thing that might help is heating the shop, letting the cowl soak in the heat, shutting the heat off and doing the epoxy. As the shop cools it tends to draw the epoxy in to the pinholes.

Haven't...
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 01-16-2022, 08:17 PM
Replies: 13
Views: 1,736
Posted By David Paule
I've enjoyed the labels from the xkcd.com store....

I've enjoyed the labels from the xkcd.com store. One says simply, "Chaos."

https://store.xkcd.com/products/switch-and-button-stickers

Dave
Forum: Safety 01-16-2022, 10:41 AM
Replies: 18
Views: 1,326
Posted By David Paule
Also in CO.... Good advice, all that. A general...

Also in CO.... Good advice, all that.

A general concept of the wave phenomenon will help assessing how to fly it. In general, you can expect turbulence in and around the roll cloud and very smooth...
Forum: RV General Discussion/News 01-12-2022, 03:22 PM
Replies: 20
Views: 2,263
Posted By David Paule
Great looking airplane... glad to hear that it...

Great looking airplane... glad to hear that it flies as good as it looks. Congratulations!

How about some more photos from different directions?

Thanks!

Dave
Forum: Painting your RV 01-11-2022, 05:57 PM
Replies: 38
Views: 4,831
Posted By David Paule
To my eye, this is one of the better designs....

To my eye, this is one of the better designs. This is Randy Lervold's RV-3B.

20884

Dave
Forum: RV models of the future (RV-??) 01-10-2022, 07:06 PM
Replies: 42
Views: 2,917
Posted By David Paule
Is that 200 feet per minute based on sea level...

Is that 200 feet per minute based on sea level standard conditions? Here at my home field, in the summer, the density altitude of frequently around 8k', which would degrade that. That would be a...
Forum: RV models of the future (RV-??) 01-09-2022, 03:12 PM
Replies: 42
Views: 2,917
Posted By David Paule
Given the innate complexity of having two...

Given the innate complexity of having two engines, can you imagine a homebuilder NOT loading such an airplane up with gadgets and systems?

Fortunately the poll, right now, is running 10 to 1 against...
Forum: Electrical Systems 01-09-2022, 03:05 PM
Replies: 20
Views: 3,813
Posted By David Paule
A while ago I asked EarthX about the maximum...

A while ago I asked EarthX about the maximum temperature in case of a runaway battery. I don't remember the temp they gave me but it was in the 300-400 F degree range. At the time I was planning on...
Forum: Safety 01-07-2022, 09:52 AM
Replies: 22
Views: 1,401
Posted By David Paule
I have a fishing vest that I put things into and...

I have a fishing vest that I put things into and sometimes use. But I don't use it much since it's fairly bulky, especially if I have any survival water containers in it. In fact I wonder how hard it...
Forum: Safety 01-06-2022, 08:28 PM
Replies: 22
Views: 1,401
Posted By David Paule
Had a thought about architecture of the survival...

Had a thought about architecture of the survival kit. Might be worth having two kinds. One would be the master one that would always be in the plane but would only really suffice for the pilot. The...
Forum: RV General Discussion/News 01-05-2022, 12:20 PM
Replies: 26
Views: 1,757
Posted By David Paule
If you're flying around 100 hours per year, the...

If you're flying around 100 hours per year, the cost of operation of your own airplane is similar to that of a rental of the same power and complexity. And since you can often sell a used airplane...
Forum: RV-12/RV-12iS 01-04-2022, 04:33 PM
Replies: 15
Views: 1,666
Posted By David Paule
I weighed two certified airplanes once. For both,...

I weighed two certified airplanes once. For both, it had been years since they were weighed. One was 50 pounds heavier than the logs said. The other was 50 pounds lighter.

Unfortunately mine was the...
Forum: My RV Build Project 01-03-2022, 12:18 PM
Replies: 606
Views: 387,660
Posted By David Paule
Before I started drawing up wiring schematics, I...

Before I started drawing up wiring schematics, I had to make some fundamental system architecture decisions. I wrote down my thoughts at the time, and have been doing the system work based on that. I...
Forum: RV models of the future (RV-??) 01-01-2022, 02:10 PM
Replies: 43
Views: 3,597
Posted By David Paule
It wouldn't be economical. The market would be...

It wouldn't be economical. The market would be small and the cost to develop and produce the kit would be considerable. I expect that this would end up something like the A380, which never had a...
Forum: Glass Cockpit 12-31-2021, 07:49 PM
Replies: 6
Views: 732
Posted By David Paule
Removing Dsub Pins

I expect that everyone but me knew these things. Here's how:

Fit the white end of the tool over the wire.

Press it into the socket. It goes in quite far. When it's in far enough,

Pull the wire...
Forum: My RV Build Project 12-31-2021, 12:50 PM
Replies: 606
Views: 387,660
Posted By David Paule
I bought them from Van's back when they still...

I bought them from Van's back when they still made them.

My general policy on this project has been that if something is made by a small vendor, buy it early in case they go out of business or...
Forum: My RV Build Project 12-31-2021, 10:44 AM
Replies: 606
Views: 387,660
Posted By David Paule
I've been letting things dry normally until they...

I've been letting things dry normally until they are dry enough to handle, and then baking them. The smell is markedly reduced.

Also, my kitchen has an external exhaust fan so I can clear fumes...
Forum: My RV Build Project 12-30-2021, 11:43 AM
Replies: 606
Views: 387,660
Posted By David Paule
Thanks! Dave

Thanks!

Dave
Forum: RV-3 12-29-2021, 12:00 PM
Replies: 191
Views: 205,406
Posted By David Paule
Since I have an entire VAF blog...

Since I have an entire VAF blog (https://vansairforce.net/community/showthread.php?t=85658) about the plane, I haven't been posting here often. But this is noteworthy. As of last...
Forum: My RV Build Project 12-28-2021, 07:59 PM
Replies: 606
Views: 387,660
Posted By David Paule
I talked with an RV-3B owner who has this...

I talked with an RV-3B owner who has this combination of the larger main tires and the pneumatic tailwheel tires and loves them. He sometimes uses a turf strip. Since my other plane is a C180 and...
Forum: My RV Build Project 12-28-2021, 07:18 PM
Replies: 606
Views: 387,660
Posted By David Paule
With the Dynon Skyview HDX EFIS and its cable in,...

With the Dynon Skyview HDX EFIS and its cable in, it all of a sudden became obvious that this was the best time to install it. Since the RV-3B is a small plane, with a small panel, that meant that...
Forum: RV General Discussion/News 12-28-2021, 02:16 PM
Replies: 16
Views: 3,525
Posted By David Paule
On my little RV-3B, I'm using one of these red...

On my little RV-3B, I'm using one of these red LEDs from Steinair.com, (https://www.steinair.com/product/red-led-indicator-light-12v/) and one of the amber ones too....
Forum: RV Building Tips/Techniques 12-27-2021, 05:03 PM
Replies: 22
Views: 1,752
Posted By David Paule
My canopy latch warning light is connected both...

My canopy latch warning light is connected both to a 12V warning light and the Skyview system. The Skyview system includes an RPM threshold for its warning, but the 12V light is direct. If the canopy...
Forum: RV General Discussion/News 12-24-2021, 04:33 PM
Replies: 25
Views: 2,239
Posted By David Paule
Workbench height - kitchen counters offer a good...

Workbench height - kitchen counters offer a good sanity check on this. Do you prefer higher or lower? If you don't currently share the food prep or clean up chores, request the opportunity to help...
Forum: RV General Discussion/News 12-23-2021, 08:32 PM
Replies: 25
Views: 2,239
Posted By David Paule
This work bench might be a little simpler....

This work bench might be a little simpler. (https://vansairforce.net/community/showthread.php?t=160679) Make the bottom high enough so that a robot vacuum like a Roomba can explore underneath it....
Forum: Glass Cockpit 12-23-2021, 06:08 PM
Replies: 0
Views: 250
Posted By David Paule
Dynon Skyview EFIS D37 Cable Length

It's 37" long except for the power and ground leads. Those are more than 72" long. The backup battery cable is part of the 37" long wiring.

I'd been wondering....

This one came with my 7" HDX...
Forum: RV-14 12-22-2021, 02:49 PM
Replies: 15
Views: 2,397
Posted By David Paule
Things that arenít necessary, unless you really...

Things that arenít necessary, unless you really want them:

Interior side panels
Cup holders
Parking brake
Sump heater (Does it get that cold where you are?)
Mapbox
Sunshade
Inverted oil system...
Forum: Primers 12-22-2021, 10:38 AM
Replies: 8
Views: 916
Posted By David Paule
Another decent epoxy primer is Stewart Systems's...

Another decent epoxy primer is Stewart Systems's EkoPoxy. It's water-based and water-thinned. Quite tough. I clean the spray gun in the sink under running water.It dries to the tough pretty...
Forum: RV-8/8A 12-22-2021, 10:29 AM
Replies: 15
Views: 2,543
Posted By David Paule
You might like something a little fancier than...

You might like something a little fancier than this....

https://i.imgur.com/pTN0GCk.jpg

The green throttle handle is the top from some sort of bottle, probably an antihistamine container. I made a...
Forum: RV-3 12-20-2021, 01:44 PM
Replies: 4
Views: 466
Posted By David Paule
Yes, back to back. I used Van's parts (they were...

Yes, back to back. I used Van's parts (they were available then) and had to rebend the flanges.

https://i.imgur.com/uLTz2mi.jpg

This was during the fitting. The red frame is the Fry jig I was...
Forum: RV-3 12-20-2021, 12:15 PM
Replies: 4
Views: 466
Posted By David Paule
The outline is on Dwg 18. Dwg 19 says it's .032...

The outline is on Dwg 18. Dwg 19 says it's .032 2024-T3. The thumb drive plans includes these.

Some people have doubled-up that bulkhead. I did and it adds extra work but does provide a better...
Forum: Glass Cockpit 12-19-2021, 03:33 PM
Replies: 9
Views: 756
Posted By David Paule
Thanks, everyone. These were most helpful. Dave

Thanks, everyone. These were most helpful.

Dave
Forum: Glass Cockpit 12-19-2021, 02:03 PM
Replies: 9
Views: 756
Posted By David Paule
How To Chain Pins In a Dsub

I've got 4 connections to ground on the same Dsub connector. The current is minimal. How do I chain the pins so that I only need one actual ground point?

Thanks!

Dave
RV-3B, still working on the...
Forum: RV General Discussion/News 12-19-2021, 09:47 AM
Replies: 18
Views: 1,418
Posted By David Paule
I use the same HF LEDs in my shop that cderk...

I use the same HF LEDs in my shop that cderk suggested in post #2. They are very bright. But depending on your hangar size, five might not be enough - I have nine in my shop, a smallish double-car...
Forum: Glass Cockpit 12-18-2021, 06:44 PM
Replies: 20
Views: 1,683
Posted By David Paule
Their vendors might have some EFISs, though,...

Their vendors might have some EFISs, though, until they run out. I found mine with one. Dynon does have most if not all the other components available, according to the rep I talked with this last...
Forum: Glass Cockpit 12-18-2021, 02:19 PM
Replies: 20
Views: 1,683
Posted By David Paule
The various component vendors have downloadable...

The various component vendors have downloadable installation manuals. Most are very detailed. Since avionics is different from airframe construction, if you looked into it, you'd probably find that...
Forum: RV General Discussion/News 12-18-2021, 11:51 AM
Replies: 5
Views: 625
Posted By David Paule
Thanks for checking me, Larry! Dave

Thanks for checking me, Larry!

Dave
Forum: RV General Discussion/News 12-18-2021, 10:24 AM
Replies: 5
Views: 625
Posted By David Paule
(Flying weight * distance from CG at that weight...

(Flying weight * distance from CG at that weight to main gear) / distance between nose gear and main gear) = weight on nose gear

Basically, divide the sum of the moments by the length.

It's still...
Forum: RV General Discussion/News 12-16-2021, 05:28 PM
Replies: 85
Views: 13,660
Posted By David Paule
This week, I asked a Dynon rep if they were...

This week, I asked a Dynon rep if they were planning a price increase. Their screens are currently delayed but there is some stock out with their vendors. He said that while they don't have any...
Forum: My RV Build Project 12-16-2021, 02:52 PM
Replies: 606
Views: 387,660
Posted By David Paule
I weighed the Michelin 380x150x5 tires and they...

I weighed the Michelin 380x150x5 tires and they weigh 3,362 grams and 3,303 grams. Thatís 7 pounds 7 ounces and 7 pounds 5 ounces. The Michelin Airstop tubes, 500-5, weigh 459 grams and 452 grams....
Forum: RV General Discussion/News 12-15-2021, 11:27 AM
Replies: 64
Views: 6,365
Posted By David Paule
Stick back, Power idle or off, Get off the...

Stick back,
Power idle or off,
Get off the brakes.

A full groundloop is one thing. Those three things might help to keep you from going up on the nose or over - although probably it's already too...
Forum: Traditional Aircraft Engines 12-13-2021, 06:38 PM
Replies: 34
Views: 2,876
Posted By David Paule
A small thing, but I'd put reliability ahead of...

A small thing, but I'd put reliability ahead of accuracy.

I'm approaching the Red Cube installation for my O-320 and am interested in this thread.

Dave
Forum: RV-14 12-12-2021, 01:42 PM
Replies: 10
Views: 1,215
Posted By David Paule
On the belly of my RV-3B, I used 1/16" Fiberfrax...

On the belly of my RV-3B, I used 1/16" Fiberfrax under a .020 Titanium panel. I needed to rivet through the Titanium for the center stiffeners. I glued on .063 shims in those locations and cut the...
Forum: RV General Discussion/News 12-10-2021, 04:49 PM
Replies: 9
Views: 1,614
Posted By David Paule
What that suggests is that any cracks which might...

What that suggests is that any cracks which might exist are either too small to be seen or in a place that doesn't get examined. A more accurate interpretation of the portion in bold is that "no...
Forum: RV-14 12-10-2021, 12:49 PM
Replies: 17
Views: 2,471
Posted By David Paule
After reading this thread, I got interested in...

After reading this thread, I got interested in the idea for my little RV-3B and looked at and rode a Brompton and a GoCycle, both folding electric bikes. Both rode decently enough and neither would...
Forum: RV General Discussion/News 12-09-2021, 04:50 PM
Replies: 9
Views: 890
Posted By David Paule
I have the Condor pneumatic tailwheel assembly...

I have the Condor pneumatic tailwheel assembly from Flyboyaccessories. I'm not entering the poll because I haven't flown it yet.

Dave
RV-3B
Forum: RV Ongoing Maintenance Issues 12-08-2021, 05:04 PM
Replies: 28
Views: 2,618
Posted By David Paule
There will be grease on all the bearings and the...

There will be grease on all the bearings and the race at that time, so what would cause would the extra wear? After all, the wheels were rolling until they stopped after take off.

I've landed in...
Forum: RV Ongoing Maintenance Issues 12-08-2021, 12:31 PM
Replies: 28
Views: 2,618
Posted By David Paule
I like boat trailer wheel bearing grease. Similar...

I like boat trailer wheel bearing grease. Similar rotation rates, loads and it has the ability to withstand occasional wet grass or running through a puddle. Or complete immersion, if it comes to...
Forum: RV-7/7A 12-08-2021, 09:27 AM
Replies: 36
Views: 2,993
Posted By David Paule
The nav and strobe switches can be combined as...

The nav and strobe switches can be combined as can the taxi/land switches. That's all I came up with - nice panel.

Dave
Forum: Electrical Systems 12-07-2021, 12:42 PM
Replies: 50
Views: 5,085
Posted By David Paule
I think that it's a good idea to seal and vent...

I think that it's a good idea to seal and vent any lithium battery whose fumes can get into the cockpit if it had a problem. I'm planning to put the 680C I'll be getting into the cowl cheek of my...
Forum: Reviews 12-06-2021, 02:30 PM
Replies: 5
Views: 873
Posted By David Paule
They did the main gear bearing mod for my RV-3B....

They did the main gear bearing mod for my RV-3B. That was a smooth, fast turn-around and I'm very happy with that. During assembly, I found an issue with the fit-up. Since this is an RV-3B, that...
Forum: Fiberglass 12-06-2021, 02:21 PM
Replies: 6
Views: 811
Posted By David Paule
Larry, the cheapest vinegar is a decent solvent...

Larry, the cheapest vinegar is a decent solvent for epoxy. Acetone would also work and probably other solvents like MEK. I use vinegar - but I don't spray the stuff.

Also, if you're trying to thin...
Forum: Fiberglass 12-06-2021, 11:14 AM
Replies: 6
Views: 811
Posted By David Paule
Cleaning the spray gun might be interesting. Dave

Cleaning the spray gun might be interesting.

Dave
Forum: Safety 12-06-2021, 11:12 AM
Replies: 79
Views: 6,035
Posted By David Paule
I would think that for a glider towing operation,...

I would think that for a glider towing operation, that is fairly normal practice.

Dave
Forum: Painting your RV 12-06-2021, 09:22 AM
Replies: 10
Views: 1,138
Posted By David Paule
David Woodward, you do very nice work. I'm sure...

David Woodward, you do very nice work. I'm sure your plane will be a gem.

Dave
Forum: My RV Build Project 12-05-2021, 04:52 PM
Replies: 606
Views: 387,660
Posted By David Paule
Next up was the Tail Lynx. Nicely-made little...

Next up was the Tail Lynx. Nicely-made little devices but I’m not very familiar with the Rocket links and have never flown either. There is some construction and assembly required. I got the parts...
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