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Search: Posts Made By: David Paule
Forum: RV-10 Yesterday, 06:28 PM
Replies: 8
Views: 269
Posted By David Paule
While I'm not building a -10 (I am building a...

While I'm not building a -10 (I am building a -3B), I've some friends who are, using the QB kits. That said as a caveat, here are my answers.

1. VAF has many threads about tools that are worth...
Forum: RV General Discussion/News 02-17-2018, 07:20 PM
Replies: 5
Views: 375
Posted By David Paule
I use a bit of neoprene or rubber fuel line with...

I use a bit of neoprene or rubber fuel line with the -4 rivets. Haven't needed it for the -3 rivets.

Dave
RV-3B, skinning the fuselage
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 02-15-2018, 12:48 PM
Replies: 9
Views: 864
Posted By David Paule
Raise the Bridge? Or Lower the River?

Or move the wing forward....

Dave
Forum: RV General Discussion/News 02-15-2018, 12:45 PM
Replies: 15
Views: 2,280
Posted By David Paule
Another 2-car garage, as seen in this VAF build...

Another 2-car garage, as seen in this VAF build blog. (http://www.vansairforce.com/community/showthread.php?t=85658)

http://i45.tinypic.com/fktgjq.jpg

It's currently filled with the fuselage...
Forum: RV-14 02-14-2018, 12:37 PM
Replies: 19
Views: 1,256
Posted By David Paule
I'm building a -3B instead of a -14, and in my...

I'm building a -3B instead of a -14, and in my kit, there isn't a stall warning system. So I bought one and installed it.

The reason is pretty simple - I've done most of my flying in Cessnas and am...
Forum: My RV Build Project 02-14-2018, 11:29 AM
Replies: 359
Views: 145,247
Posted By David Paule
The exoskeleton is now off the side. Even without...

The exoskeleton is now off the side. Even without the clecos, it hasn't fallen off the fuselage, so I suppose the magic worked again.

I had made one mistake, though. The exoskeleton at the top...
Forum: My RV Build Project 02-12-2018, 07:19 PM
Replies: 359
Views: 145,247
Posted By David Paule
Glued the RH Tailcone Side

I gathered together the same crew as last time, experience counts, and we glued on the right-hand tailcone side today. Like before, we used thickened (this version comes prethickened) G/Flex epoxy...
Forum: Tools 02-11-2018, 03:31 PM
Replies: 21
Views: 1,898
Posted By David Paule
Well, that was interesting. I wonder how a...

Well, that was interesting.

I wonder how a mechanic would use that to wrap a loop of cable around something, since this doesn't fasten itself to itself. Their website alludes to such a use but...
Forum: Tools 02-11-2018, 01:55 PM
Replies: 21
Views: 1,898
Posted By David Paule
What is this thing? A safety wiring tool? It only...

What is this thing? A safety wiring tool? It only refers to a "cable."

Are there any videos showing how to use it?

Dave
Forum: RV General Discussion/News 02-08-2018, 09:17 PM
Replies: 17
Views: 938
Posted By David Paule
A friend of mine has a wisecrack that was...

A friend of mine has a wisecrack that was originally about something else, but it applies to lighting, too:

"Too much is almost enough."

With lighting, that applies especially as you get...
Forum: Safety 02-08-2018, 09:48 AM
Replies: 34
Views: 3,320
Posted By David Paule
All the quotes came in and I ordered one company...

All the quotes came in and I ordered one company to do the work, for $1,095. One guy came out and finished in under 6 hours. Here's what he did:

Caulked the slab perimeters, garage and...
Forum: RV-8/8A 02-08-2018, 09:29 AM
Replies: 8
Views: 660
Posted By David Paule
Depending on the thickness of the part, a hole...

Depending on the thickness of the part, a hole saw might work pretty well. You know, one of those things that looks like a cylinder with teeth at the end.

Dave
Forum: Traditional Aircraft Engines 02-06-2018, 10:23 PM
Replies: 13
Views: 1,150
Posted By David Paule
Good clarification, thanks. Dave

Good clarification, thanks.

Dave
Forum: RV General Discussion/News 02-06-2018, 08:42 PM
Replies: 14
Views: 1,263
Posted By David Paule
One thing that has impressed me with some...

One thing that has impressed me with some electrical system designs, is that they can be designed so that if there's a failure, nothing needs to be done. Nothing.

See DanH's postings, or it might be...
Forum: Traditional Aircraft Engines 02-05-2018, 10:19 PM
Replies: 13
Views: 1,150
Posted By David Paule
Years ago, I had an O-290-G, and the crankshaft...

Years ago, I had an O-290-G, and the crankshaft flange beef-up recommended, I believe by John Thorp, was a machined 4130 steel piece. I had to buy the two halves and install them. I don't recall an...
Forum: Safety 02-05-2018, 04:20 PM
Replies: 34
Views: 3,320
Posted By David Paule
If I understand this right, bringing in outside...

If I understand this right, bringing in outside air merely pushes the radon elsewhere, such as into the living area. The systems that are installed here, create a suction under the basement floor,...
Forum: My RV Build Project 02-05-2018, 10:39 AM
Replies: 359
Views: 145,247
Posted By David Paule
I did it because it kept the two spar bulkheads...

I did it because it kept the two spar bulkheads located correctly with respect to each other, sort of as a tooling aid. But in retrospect, that wasn't necessary.

Dave
Forum: Safety 02-05-2018, 09:35 AM
Replies: 34
Views: 3,320
Posted By David Paule
All the quotes have come in. The three that did...

All the quotes have come in.

The three that did not come out to the house submitted bids that ran from $1,650 to $1,900 for two independent units.

The two that came out to see the place would...
Forum: My RV Build Project 02-04-2018, 01:00 PM
Replies: 359
Views: 145,247
Posted By David Paule
One thing that someone asked about off-line about...

One thing that someone asked about off-line about bonding and using shims, is that yes, of course, each surface of the part-to-shim-to-part joint needs to be properly abraded and cleaned. There's no...
Forum: RV General Discussion/News 02-02-2018, 05:39 PM
Replies: 37
Views: 5,856
Posted By David Paule
The various mini EFIS systems might be a useful...

The various mini EFIS systems might be a useful approach, perhaps.

Dave
Forum: RV-12 02-01-2018, 10:37 AM
Replies: 20
Views: 3,625
Posted By David Paule
Let's not forget that even if the LSA category...

Let's not forget that even if the LSA category gross weight limit went up, that would not affect any existing aircraft. RV-12, for example, has a gross weight established by structural and...
Forum: RV General Discussion/News 01-30-2018, 08:30 PM
Replies: 59
Views: 5,078
Posted By David Paule
If I remember right, The Waddington Effect found...

If I remember right, The Waddington Effect found that the incidence of defects increased after scheduled maintenance, and gradually reduced as those problems were fixed. But then came another...
Forum: RV-3 01-30-2018, 07:37 PM
Replies: 4
Views: 534
Posted By David Paule
I just checked Drawing 32, the fuselage tank...

I just checked Drawing 32, the fuselage tank that's still in the RV-3B plans, and it does not show a cap for the tank. Looks like you might be on your own there, unless someone with a very old set of...
Forum: RV-10 01-30-2018, 07:27 PM
Replies: 6
Views: 1,248
Posted By David Paule
Perhaps the next iteration will have the cap be...

Perhaps the next iteration will have the cap be recessed so that it's flush. And maybe use a quarter for the tool so that a special one isn't necessary.

Dave
Forum: RV-7/7A 01-30-2018, 07:25 PM
Replies: 32
Views: 2,200
Posted By David Paule
Great news, Bill! Congratulations! Dave

Great news, Bill! Congratulations!

Dave
Forum: RV General Discussion/News 01-28-2018, 08:51 PM
Replies: 409
Views: 78,721
Posted By David Paule
How about the rudder horn and stops? Dave

How about the rudder horn and stops?

Dave
Forum: RV-3 01-28-2018, 01:42 PM
Replies: 8
Views: 1,334
Posted By David Paule
For a while I had an Anzani radial and the...

For a while I had an Anzani radial and the thought did cross my mind.

It might not look too bad.... (http://www.vansairforce.com/community/showthread.php?t=100740) but the reliability would have...
Forum: RV General Discussion/News 01-28-2018, 01:30 PM
Replies: 6
Views: 733
Posted By David Paule
Might be worth considering getting parts bins and...

Might be worth considering getting parts bins and sorting the bags into them. It's much easier to find the parts when you're looking for a part number and they're all organized.

Saves hours!

Dave
Forum: RV General Discussion/News 01-26-2018, 08:22 PM
Replies: 32
Views: 3,895
Posted By David Paule
Very nice work, Sam. I'm saving a PDF of this...

Very nice work, Sam. I'm saving a PDF of this page so that I can make one when I'm farther along.

Dave
Forum: Safety 01-25-2018, 07:00 PM
Replies: 34
Views: 3,320
Posted By David Paule
I know that I can do the work. But I'd rather...

I know that I can do the work. But I'd rather not. This is one of those things that gets hired out.

Dave
Forum: Safety 01-25-2018, 04:21 PM
Replies: 34
Views: 3,320
Posted By David Paule
Radon Mitigation

Quick update.

Made some appointments and got a couple of over-the-phone quotes. We have a decent neighborhood email List and I pulled recommendations off of that.

The house is an old tract home...
Forum: Safety 01-25-2018, 03:30 PM
Replies: 34
Views: 3,320
Posted By David Paule
I took these readings in the winter, with the...

I took these readings in the winter, with the house and shop closed up. Certainly, in the summer and in good weather, with the windows open, the amount will be less. But I haven't tested for that...
Forum: Safety 01-25-2018, 02:20 PM
Replies: 34
Views: 3,320
Posted By David Paule
An Unexpected Builder Risk - Radon

Here in this part of Colorado, we often have high levels of radon in our homes. Radon is a radioactive gas that comes out of the ground under our homes. Relatively low doses are a risk for lung...
Forum: RV-10 01-25-2018, 01:51 PM
Replies: 8
Views: 531
Posted By David Paule
You could add weight to the knobs... that would...

You could add weight to the knobs... that would tend to reduce the frequency of the vibration and might get it out of the range of interest. It would probably take a significant increase in the knob...
Forum: RV General Discussion/News 01-24-2018, 11:07 AM
Replies: 14
Views: 1,764
Posted By David Paule
What do you want to use the airplane for? VFR or...

What do you want to use the airplane for? VFR or IFR? Days only or nights, too? Aerobatics? Cross-country? Grass fields? High altitude?

Kind of need to know that before making suggestions. Any of...
Forum: My RV Build Project 01-23-2018, 08:50 PM
Replies: 359
Views: 145,247
Posted By David Paule
I got a PM asking a) which version of Gflex did I...

I got a PM asking a) which version of Gflex did I use and b) what about adding aluminum powder to the epoxy and c) what about aluminum shims?

I used the Gflex 655K stuff. It's the thickened variety....
Forum: RV-10 01-23-2018, 05:24 PM
Replies: 18
Views: 1,703
Posted By David Paule
I agree with Vic. Bottom line, get a pre-buy...

I agree with Vic.

Bottom line, get a pre-buy from a qualified inspector!

Dave
Forum: RV-10 01-22-2018, 05:10 PM
Replies: 18
Views: 1,703
Posted By David Paule
Get a knowledgeable person to do a prebuy and...

Get a knowledgeable person to do a prebuy and then if it checks out, you'll be set.

I saw an unfinished RV-10 that someone had bought without that. They did a fair bit of finishing work and bought...
Forum: RV General Discussion/News 01-22-2018, 04:26 PM
Replies: 31
Views: 2,035
Posted By David Paule
Also, generally speaking, most airplanes are...

Also, generally speaking, most airplanes are designed around a specific type of powerplant. Changing that so drastically would probably require a wholly new design, from the beginning.

Dave
Forum: RV-3 01-22-2018, 10:04 AM
Replies: 4
Views: 385
Posted By David Paule
I went through this on mine. I bought both the...

I went through this on mine.

I bought both the F-601K-1 recess and the one for the RV-4. The RV-4 recess is completely useless for the RV-3 since the -4 has a far different firewall shape. The...
Forum: Propellers 01-22-2018, 09:56 AM
Replies: 5
Views: 637
Posted By David Paule
Bill, respectfully I suggest that this be...

Bill, respectfully I suggest that this be postponed to a later flight.

On the first flight, I think it would be better to keep things very simple and spend most of it just assessing only the systems...
Forum: RV-14 01-18-2018, 04:45 PM
Replies: 4
Views: 694
Posted By David Paule
Yes, I do. Dave RV-3B, now skinning the fuselage

Yes, I do.

Dave
RV-3B, now skinning the fuselage
Forum: My RV Build Project 01-17-2018, 07:37 PM
Replies: 359
Views: 145,247
Posted By David Paule
Seems like it's been a long time... in fact it...

Seems like it's been a long time... in fact it has been.

The things I've done in the last month are small stuff. I'm getting ready to attach the next long side skin, and while it's still off, wanted...
Forum: RV General Discussion/News 01-16-2018, 06:37 PM
Replies: 409
Views: 78,721
Posted By David Paule
How about three rounded bumps inside the...

How about three rounded bumps inside the cylindrical bore: one on each sides and one in front of the cylindrical bore?

The front one would simply be a locator to keep the fairing from going too far...
Forum: Tools 01-16-2018, 02:32 PM
Replies: 14
Views: 2,231
Posted By David Paule
Ikea Shop Cart

Ikea sells a very handy kitchen cart that works great in my shop./ (http://www.ikea.com/us/en/catalog/products/20271892/) It comes in a few colors, this ivory, a black and a rust color.

It rolls...
Forum: RV General Discussion/News 01-15-2018, 06:00 PM
Replies: 409
Views: 78,721
Posted By David Paule
That's a very good way to manage that relatively...

That's a very good way to manage that relatively small radius edge in that part.

Dave
Forum: RV General Discussion/News 01-15-2018, 03:43 PM
Replies: 409
Views: 78,721
Posted By David Paule
Back when I was doing stress analysis in the...

Back when I was doing stress analysis in the aerospace community, we used these numbers for ground support factors of safety:

5.0 for failure
4.0 for yielding

Also be aware that in a strong wind,...
Forum: RV General Discussion/News 01-15-2018, 03:35 PM
Replies: 1
Views: 408
Posted By David Paule
Percentage Cost of Shipping

On my RV-3B project, I'm currently skinning the fuselage. The wings and tail are done but for the tips. I've got an engine and quite a lot of the miscellaneous systems or components, but certainly by...
Forum: RV Photo/Video URLs 01-15-2018, 12:40 PM
Replies: 4
Views: 851
Posted By David Paule
Sure looked like fun! Dave RV-3B, skinning the...

Sure looked like fun!

Dave
RV-3B, skinning the fuselage
Forum: RV-7/7A 01-15-2018, 12:19 PM
Replies: 7
Views: 1,094
Posted By David Paule
Shoulder straps from behind is the recommended...

Shoulder straps from behind is the recommended approach, since a downward angle puts a downward compressive load into the spine in a crash.

To prevent moving upward in aerobatics, tighten that seat...
Forum: RV Photo/Video URLs 01-10-2018, 08:26 PM
Replies: 9
Views: 2,049
Posted By David Paule
Great video, fine music. A pleasure to...

Great video, fine music. A pleasure to watch.

And what a good-looking airplane!

Dave
Forum: RV Building Tips/Techniques 01-10-2018, 08:24 PM
Replies: 64
Views: 5,665
Posted By David Paule
Thanks for the description, Larry. Dave

Thanks for the description, Larry.

Dave
Forum: RV Building Tips/Techniques 01-10-2018, 04:43 PM
Replies: 64
Views: 5,665
Posted By David Paule
Larry, can you elaborate a bit about this? If I...

Larry, can you elaborate a bit about this?

If I understand what you did, you put the canopy into a fixture as it would be when it's complete, with the same forces and stresses and deflections, and...
Forum: RV General Discussion/News 01-09-2018, 12:20 PM
Replies: 20
Views: 2,312
Posted By David Paule
Perhaps it's time to merely recommend that people...

Perhaps it's time to merely recommend that people go through the VAF section for their airplane, with an eye out for construction comments. The serious ones will have multiple postings. Bear in mind...
Forum: RV General Discussion/News 01-04-2018, 08:30 PM
Replies: 32
Views: 3,173
Posted By David Paule
I'm not an RV-10 builder, but sometimes I help a...

I'm not an RV-10 builder, but sometimes I help a buddy who is building a QB RV-10 and I'm building an RV-3B for myself.

It's a job, all right. Lots to do. But the quality of the kit is excellent and...
Forum: RV-3 01-01-2018, 09:38 PM
Replies: 29
Views: 3,929
Posted By David Paule
I disagree. The next solution is what I think...

I disagree. The next solution is what I think ought to be done:



My first mentor had a saying,

"If you want it done like downtown,
Take it downtown."

In this case, that means Langair.
Forum: Traditional Aircraft Engines 12-31-2017, 06:40 PM
Replies: 25
Views: 1,741
Posted By David Paule
If you're interested in takeoff distance, power...

If you're interested in takeoff distance, power affects distance roughly linearly. 10% more power will shorten the distance by 10%.

Weight, on the other hand, affects distance much more than that....
Forum: RV-10 12-31-2017, 06:33 PM
Replies: 14
Views: 1,183
Posted By David Paule
Ditto what Kyle said. It doesn't hurt to look...

Ditto what Kyle said.

It doesn't hurt to look into the avionics now. The various companies have their operating and installation manuals on line to download. However, as Kyle suggested, they change...
Forum: RV General Discussion/News 12-17-2017, 01:17 PM
Replies: 24
Views: 3,504
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: 1,566
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: 1,272
Posted By David Paule
Darn right! Dave

Darn right!

Dave
Forum: RV General Discussion/News 12-11-2017, 11:59 AM
Replies: 63
Views: 3,931
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,...
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