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Search: Posts Made By: David Paule
Forum: RV General Discussion/News Yesterday, 01:17 PM
Replies: 21
Views: 1,708
Posted By David Paule
Any of them can be flown non-aerobatically, and...

Any of them can be flown non-aerobatically, and the RV-3 is not roomy.

I chose an RV other than the sweet-flying RV-12 because the -12 wasn't a taildragger.

The -12 has exceptional visibility,...
Forum: RV-12 12-11-2017, 10:16 PM
Replies: 11
Views: 976
Posted By David Paule
This is an approved process from MIL-R-47196A,...

This is an approved process from MIL-R-47196A, (http://www.vansaircraft.com/public/Specs.htm) the riveting spec. See paragraph 3.3.3.2.

Dave
Forum: RV-4 12-11-2017, 12:02 PM
Replies: 15
Views: 981
Posted By David Paule
Darn right! Dave

Darn right!

Dave
Forum: RV General Discussion/News 12-11-2017, 11:59 AM
Replies: 63
Views: 3,312
Posted By David Paule
Well, I'm building an RV-3B, and I'm doing it...

Well, I'm building an RV-3B, and I'm doing it more to have a good project than to have an RV-3B. When I was considering which airplane to build, this one would not have crossed my attention at all,...
Forum: My RV Build Project 12-04-2017, 11:55 AM
Replies: 349
Views: 138,215
Posted By David Paule
After the gluing came the clean-up, and then the...

After the gluing came the clean-up, and then the usual bunch of small things before anything major ever happens. Yesterday, though, Larry Larson came down from Estes Park, down to the valley, to help...
Forum: RV General Discussion/News 12-03-2017, 10:38 AM
Replies: 5
Views: 384
Posted By David Paule
I did the same thing for the same reasons, but...

I did the same thing for the same reasons, but machined off the extra. You can read about that here. (http://www.vansairforce.com/community/showpost.php?p=1092464&postcount=246)

Dave
Forum: RV General Discussion/News 12-03-2017, 10:31 AM
Replies: 21
Views: 2,005
Posted By David Paule
Without VAF, I wouldn't have decided to build an...

Without VAF, I wouldn't have decided to build an RV at all. I wouldn't have ever considered an RV-3B, much less bought the kits. And certainly wouldn't have gotten as far as I have, nor would I have...
Forum: Interiors 12-02-2017, 02:35 PM
Replies: 8
Views: 575
Posted By David Paule
Strong opinions? You betcha! I prefer sheepskin...

Strong opinions? You betcha! I prefer sheepskin to any of those. For comfort, it's the best. Have to admit that I don't know its durability for being stepped on.

Dave
Forum: RV General Discussion/News 11-29-2017, 05:52 PM
Replies: 37
Views: 6,326
Posted By David Paule
I read somewhere on VAF that adding balance...

I read somewhere on VAF that adding balance weight to the wheel fairing nose helped a lot. Don't remember where I saw that, though.

Dave
RV-3B, skinning fuselage
Forum: RV General Discussion/News 11-29-2017, 01:44 PM
Replies: 64
Views: 8,127
Posted By David Paule
My choice would be a plane much like the RV-9,...

My choice would be a plane much like the RV-9, with a longer, stronger gear for the back-country places, an external baggage door, that has the same sort of step-by-step instructions that the...
Forum: RV-14 11-19-2017, 09:22 AM
Replies: 3
Views: 540
Posted By David Paule
Moderator...

...this should probably be moved to Tips or better yet, Tools, for its general benefit.

Dave
Forum: RV-14 11-19-2017, 09:21 AM
Replies: 3
Views: 540
Posted By David Paule
Haven't tried their 35, but I like 3M's 33. I...

Haven't tried their 35, but I like 3M's 33.

I use it as I would masking tape or blue tape, but this is better than those.

Dave
Forum: My RV Build Project 11-16-2017, 03:04 PM
Replies: 349
Views: 138,215
Posted By David Paule
Before I could rivet the long belly skin, the...

Before I could rivet the long belly skin, the side skins need to go on. The bottom of the belly skin was already riveted to the various stiffeners and bulkhead flanges, so the only remaining parts...
Forum: RV General Discussion/News 11-14-2017, 11:47 AM
Replies: 16
Views: 1,862
Posted By David Paule
Old thread, obsolete - but it's worth mentioning...

Old thread, obsolete - but it's worth mentioning that these will come in handy if you're building an RV-3B. That kit isn't like the newer ones....

Dave
Forum: RV Building Tips/Techniques 11-13-2017, 07:10 PM
Replies: 48
Views: 12,019
Posted By David Paule
A flexible plenum might need battens to keep the...

A flexible plenum might need battens to keep the fabric from flopping down on the cylinders.

Perhaps zippers can be used to open it up for maintenance or inspections.

Dave
Forum: RV General Discussion/News 11-13-2017, 04:25 PM
Replies: 112
Views: 15,667
Posted By David Paule
Bob Dylan, "The Tambourine Man," somehow is...

Bob Dylan, "The Tambourine Man," somehow is perfect on a cross-country.

Dave
Forum: Propellers 11-12-2017, 01:10 PM
Replies: 11
Views: 968
Posted By David Paule
Why was the choice for the Aces rather than the...

Why was the choice for the Aces rather than the DynaVibe?

Dave
Forum: RV-10 11-11-2017, 03:08 PM
Replies: 18
Views: 1,394
Posted By David Paule
Did you check the fuel vent system? Dave

Did you check the fuel vent system?

Dave
Forum: RV-12 11-08-2017, 04:35 PM
Replies: 11
Views: 1,467
Posted By David Paule
Personally, my impression is that there are...

Personally, my impression is that there are enough overall improvements, airframe and engine, to make it a worthwhile choice.

Dave
Forum: RV General Discussion/News 11-08-2017, 03:19 PM
Replies: 74
Views: 8,655
Posted By David Paule
On the RV-3B, the canopy frames, wing spars...

On the RV-3B, the canopy frames, wing spars (they're the kind with the machined caps) and engine mount (for dynafocal engines) are not included with enough detail to build one. The original built-up...
Forum: RV General Discussion/News 11-08-2017, 10:58 AM
Replies: 3
Views: 372
Posted By David Paule
You can also make it from a flat strip of sheet...

You can also make it from a flat strip of sheet and two of Van's pre-bent angles. If more depth of flange is needed, you can rivet on more strip to extend the flanges.

A bit time-consuming and...
Forum: RV-4 11-06-2017, 06:37 PM
Replies: 8
Views: 690
Posted By David Paule
Also, if you're ambitious, the Rocket II is based...

Also, if you're ambitious, the Rocket II is based upon the RV-4 and shares many of the same parts. Worth looking up....

Dave
Forum: My RV Build Project 11-06-2017, 02:02 PM
Replies: 349
Views: 138,215
Posted By David Paule
Folks, if you spot a potential issue with this or...

Folks, if you spot a potential issue with this or any other aspect of the construction, please let me know. I'm only human and I do goof sometimes.

Thanks for commenting.

The parts are dry-fitted...
Forum: My RV Build Project 11-06-2017, 10:55 AM
Replies: 349
Views: 138,215
Posted By David Paule
Good question! Probably quite difficult. Heat...

Good question!

Probably quite difficult. Heat might help, I don't know. Or my glue prep might prove insufficient and the pieces might pop apart. I have no idea and repairability isn't one of my...
Forum: Tools 11-05-2017, 03:29 PM
Replies: 15
Views: 1,229
Posted By David Paule
I've got two regulators manifolded to my...

I've got two regulators manifolded to my compressor. One is at 90 psi and the other, used mostly for riveting, is at 25 to 30 psi. They have different-colored shop hoses to help me avoid using the...
Forum: RV-10 11-05-2017, 01:16 PM
Replies: 27
Views: 2,718
Posted By David Paule
Sec. 23.1191 Firewalls.

Sec. 23.1191 — Firewalls.

....some sections omitted....

(f) Compliance with the criteria for fireproof materials or components must be shown as follows:

(1) The flame to which the materials or...
Forum: RV-10 11-05-2017, 10:40 AM
Replies: 27
Views: 2,718
Posted By David Paule
The .005 titanium foil weighs about 1/2 ounce...

The .005 titanium foil weighs about 1/2 ounce MORE than .002 stainless steel foil. But of course it's lighter than thicker stainless steel foils.

I suggested the titanium not for weight savings, but...
Forum: My RV Build Project 11-04-2017, 12:50 PM
Replies: 349
Views: 138,215
Posted By David Paule
I'm trying not to reinvent things here. I'm using...

I'm trying not to reinvent things here. I'm using one of the two epoxies that are recommended by my mentor, who has tested it. The other is 3M's 2216. Another friend, in the marine industry, has...
Forum: My RV Build Project 11-03-2017, 10:36 PM
Replies: 349
Views: 138,215
Posted By David Paule
Bread's good, and compared to an airplane, it's...

Bread's good, and compared to an airplane, it's almost like instant gratification.

I made a loaf of sourdough rye a couple days ago - good stuff. Funny that you made a rye loaf too.

The bonding is...
Forum: My RV Build Project 11-03-2017, 08:26 PM
Replies: 349
Views: 138,215
Posted By David Paule
Today's job was to glue the long belly skin to...

Today's job was to glue the long belly skin to the fuselage. I'm using G/Flex epoxy, the thickened variety, which has a 45 minute pot life. A dry run showed that it took me 1/2 an hour to get the...
Forum: RV-10 11-02-2017, 02:00 PM
Replies: 38
Views: 2,800
Posted By David Paule
I'm building an RV-3b standard build (I lay-out,...

I'm building an RV-3b standard build (I lay-out, drill and dimple everything myself) and a friend is building a QB -10 nearby. So I've had a chance to compare the quality.

The QB is very good. I...
Forum: Rocket 11-02-2017, 01:51 PM
Replies: 20
Views: 1,979
Posted By David Paule
Strength, weight, flutter resistance, roll rate,...

Strength, weight, flutter resistance, roll rate, span and area.

Dave
Forum: RV Building Tips/Techniques 11-02-2017, 10:51 AM
Replies: 73
Views: 6,823
Posted By David Paule
If you want it like downtown - take it...

If you want it like downtown - take it downtown.

-- Scott Gassaway

Dave
Forum: RV Building Tips/Techniques 11-02-2017, 10:50 AM
Replies: 73
Views: 6,823
Posted By David Paule
There's a simpler way And a better plan. Have it...

There's a simpler way
And a better plan.
Have it done
By another man.

-- Scott Gassaway

Dave
Forum: RV Building Tips/Techniques 11-01-2017, 08:01 PM
Replies: 73
Views: 6,823
Posted By David Paule
A friend built and flew his homebuilt. It wasn't...

A friend built and flew his homebuilt. It wasn't an RV and had poor performance. Some time later, sitting in the cockpit of his recently-purchased Cessna, my friend said "I didn't have to built this....
Forum: RV-7/7A 11-01-2017, 07:53 PM
Replies: 10
Views: 1,105
Posted By David Paule
Maybe you can find a screw with a...

Maybe you can find a screw with a reduced-diameter head, like the NAS1351 or 1352.

Dave
Forum: RV General Discussion/News 11-01-2017, 06:49 PM
Replies: 16
Views: 1,627
Posted By David Paule
Amazon sells several 1/4" beam-type torque...

Amazon sells several 1/4" beam-type torque wrences that reads in inch-pounds. Get a crow's foot 3/8" and 7/16" wrench and you're in business.

It's possible that the pieces being held together by...
Forum: COMM 11-01-2017, 10:29 AM
Replies: 20
Views: 2,124
Posted By David Paule
How heavy is the smaller control head? Is there...

How heavy is the smaller control head?

Is there any provision to mount the body directly to the head so that it doesn't need cables or a separate mount?

Thanks,
Dave
Rv-3B, now skinning the fuselage
Forum: RV General Discussion/News 10-30-2017, 05:47 PM
Replies: 51
Views: 4,818
Posted By David Paule
Mike, have you talked this over with your...

Mike, have you talked this over with your insurance company? I wonder what they'll say.

Dave
Forum: RV-10 10-29-2017, 10:01 PM
Replies: 19
Views: 1,215
Posted By David Paule
My remote transponder mount is very similar to...

My remote transponder mount is very similar to Dave's, even though mine isn't an RV-10

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

Easy enough to scratch-build a mount. Well, it seems easy but then the RV-3B...
Forum: RV General Discussion/News 10-29-2017, 04:47 PM
Replies: 51
Views: 4,818
Posted By David Paule
To me it seems as if it's good practice to...

To me it seems as if it's good practice to replace the rods now but it's not mandatory. Since the engine is torn down on the insurance company's dime, if it were me, I'd spring for the new rods...
Forum: Rocket 10-29-2017, 01:13 PM
Replies: 63
Views: 8,856
Posted By David Paule
Ross, nice discussion, thanks. Dave

Ross, nice discussion, thanks.

Dave
Forum: Rocket 10-29-2017, 09:45 AM
Replies: 63
Views: 8,856
Posted By David Paule
Wouldn't anything that affects horsepower also...

Wouldn't anything that affects horsepower also affect manifold pressure and rpm on a normally-aspirated engine? That suggests that the overall power will be affected, but not the percent...
Forum: Rocket 10-28-2017, 10:00 PM
Replies: 63
Views: 8,856
Posted By David Paule
I use a very simple equation for any...

I use a very simple equation for any normally-aspirated engine:

% Power = (MP / 29.92) * (RPM / Max RPM).

It seems to get close enough, for me anyway, and is independent of compression ratio and...
Forum: RV-3 10-28-2017, 12:38 PM
Replies: 14
Views: 1,386
Posted By David Paule
A few things that might be interesting - The...

A few things that might be interesting -

The early RV-3 engine mounts only had the four perimeter attachment points to the fuselage.

The current RV-3 engine mounts have two additional ones in the...
Forum: RV General Discussion/News 10-27-2017, 05:58 PM
Replies: 7
Views: 419
Posted By David Paule
You can find a bunch of photos here...

You can find a bunch of photos here (http://www.rv-3.com/Registry/registry.html) and here. (http://www.vansairforce.com/community/showthread.php?t=1747)

I personally like a bit of reflex curve at...
Forum: Midwest 10-27-2017, 03:31 PM
Replies: 8
Views: 679
Posted By David Paule
I think the nearest airparks are further south,...

I think the nearest airparks are further south, like Parkland or Erie. Hangar space is sometimes available, check with the airport. At Longmont, KLMO, you can buy hangars and rent the ground under...
Forum: My RV Build Project 10-26-2017, 08:13 PM
Replies: 349
Views: 138,215
Posted By David Paule
Trimmed some edges the other day to save some...

Trimmed some edges the other day to save some weight. I saved about 40 grams, almost 1 1/2 ounces, and it only took me four hours. Anyone can make a bargain like that if they want it badly enough. To...
Forum: Electrical Systems 10-26-2017, 11:12 AM
Replies: 1
Views: 345
Posted By David Paule
An accelerometer is a typical vibration...

An accelerometer is a typical vibration sensor.

Vibration has a frequency and a magnitude, and typically contains several (or even many) superimposed vibrations. That is, it's not merely vibrating...
Forum: RV General Discussion/News 10-25-2017, 10:31 PM
Replies: 17
Views: 1,155
Posted By David Paule
Are you sure you want to use that alloy and heat...

Are you sure you want to use that alloy and heat treatment? It's a lot weaker than 6061-T6, by approximately half. And welding it will only reduce its already small strength.

That said, it'll be...
Forum: RV-8/8A 10-25-2017, 02:01 PM
Replies: 9
Views: 595
Posted By David Paule
Best to leave it the way it is designed. Any...

Best to leave it the way it is designed.

Any substitution will affect both the mass moment of inertia and the stiffness of the aileron as well as the mass balance of the aileron, and all are factors...
Forum: RV-10 10-24-2017, 07:00 PM
Replies: 63
Views: 13,914
Posted By David Paule
Kathy, can you tell us how hot an EarthX battery...

Kathy, can you tell us how hot an EarthX battery gets if it finally does kick off and out-gas?

I'm building an RV-3B and space between the engine and firewall is very tight. There's plenty of room...
Forum: Fiberglass 10-24-2017, 04:00 PM
Replies: 15
Views: 1,997
Posted By David Paule
Mike, that's a good idea. The wax ought to be...

Mike, that's a good idea. The wax ought to be reusable, and I'd expect that the epoxy would release from it well.

Definitely worth a test run any way.

Dave
Forum: RV-10 10-23-2017, 05:20 PM
Replies: 12
Views: 977
Posted By David Paule
While I'm building an RV-3B which is somewhat...

While I'm building an RV-3B which is somewhat different from a -10, my approach is simply to buy the next box that follows the one I'm about to start, at that time. This way I've got parts, I've had...
Forum: RV General Discussion/News 10-22-2017, 09:43 AM
Replies: 29
Views: 3,381
Posted By David Paule
I second the vote for the Michelin Airstops. Dave

I second the vote for the Michelin Airstops.

Dave
Forum: RV General Discussion/News 10-22-2017, 09:42 AM
Replies: 24
Views: 2,279
Posted By David Paule
For this commute, if that's the main reason you...

For this commute, if that's the main reason you want an RV and you don't have an ulterior motive like aerobatics, any of the RVs will do. It doesn't matter. As Bob suggested, the other parts of the...
Forum: RV-8/8A 10-21-2017, 10:53 AM
Replies: 70
Views: 11,410
Posted By David Paule
Dan's quite right for friction in the rolling...

Dan's quite right for friction in the rolling direction.

However, lateral friction on paved surfaces is HIGHER with tread grooves because they tend to dig in slightly. For nosewheel aircraft with...
Forum: Canada 10-20-2017, 05:21 PM
Replies: 22
Views: 2,001
Posted By David Paule
The RV-12 has superb visibility. If you're going...

The RV-12 has superb visibility.

If you're going to use it for traveling, consider the extra time-to-build of the RV-9. You can fly an RV-12 a considerable distance in that time. This tends to...
Forum: Reviews 10-19-2017, 01:00 PM
Replies: 2
Views: 474
Posted By David Paule
Rattle Can Handle

I'd had issues with using rattle can paints. Typically, my finger would pick up a bit of paint and it would drip down on to the work. Plus, the effort made my finger tired.

I tried this product,...
Forum: RV Building Tips/Techniques 10-18-2017, 08:19 PM
Replies: 26
Views: 1,448
Posted By David Paule
I simply cut the rounded ends of the Popsicle...

I simply cut the rounded ends of the Popsicle sticks off flat or shape as needed. Often, I'll file a radius on them - takes seconds.

Dave
Forum: RV-14 10-15-2017, 04:13 PM
Replies: 10
Views: 1,424
Posted By David Paule
Send these concerns to Van's. They need an...

Send these concerns to Van's. They need an engineering decision. Only Van's knows what the loads and stresses are in that area.

Dave
(old retired aerospace stress guy)
Forum: RV General Discussion/News 10-12-2017, 06:20 PM
Replies: 62
Views: 27,097
Posted By David Paule
EGT Probes?

Where did you install the EGT probes?

http://i63.tinypic.com/2isckyq.jpg

Looks like finding a location might be difficult. Perhaps immediately below the slip joints?

Thanks,
Dave
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