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Search: Posts Made By: David Paule
Forum: My RV Build Project Yesterday, 07:18 PM
Replies: 370
Views: 161,781
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: VAF Classifieds (posts in here deleted after 30 days) 06-19-2018, 09:18 AM
Replies: 1
Views: 327
Posted By David Paule
Gone!

The books are all gone now.

Dave
Forum: RV General Discussion/News 06-19-2018, 08:10 AM
Replies: 567
Views: 114,693
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: VAF Classifieds (posts in here deleted after 30 days) 06-17-2018, 07:55 PM
Replies: 1
Views: 327
Posted By David Paule
Free Aviation Books (With a Donation to DR)

These books are free, but you'll have to pay actual postage AND make a donation to DR. How much is up to you. I prefer email and might not bother with PMs, so don't send any. If you click on my user...
Forum: My RV Build Project 06-17-2018, 06:22 PM
Replies: 370
Views: 161,781
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: 680
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: 370
Views: 161,781
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: 799
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: 659
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: 5,506
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: 1,102
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: 862
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: 1,080
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: 1,102
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...
Forum: RV General Discussion/News 06-01-2018, 11:57 AM
Replies: 21
Views: 1,102
Posted By David Paule
It appears as if you tied that oil line to a...

It appears as if you tied that oil line to a flexible hose that's restrained at one end away from the engine. If that's correct, you added mass to the oil line, rather than stiffness. It would have...
Forum: RV General Discussion/News 05-31-2018, 04:30 PM
Replies: 22
Views: 2,007
Posted By David Paule
I like your methodical, organized approach to...

I like your methodical, organized approach to this.

The only thing I can add to what you're planning is to have fun, and when you and the airplane are able to fly together, do a bunch of airwork...
Forum: RV General Discussion/News 05-31-2018, 11:20 AM
Replies: 21
Views: 1,102
Posted By David Paule
That's a lot of unsuported overhang for that oil...

That's a lot of unsuported overhang for that oil line. It's a vibration failure just waiting to happen.

https://s15.postimg.cc/5ufnwseiz/Huge_Overhang.jpg

It needs some support, perhaps at two...
Forum: Reviews 05-31-2018, 09:39 AM
Replies: 12
Views: 1,537
Posted By David Paule
Is polycarbonate really the right material for...

Is polycarbonate really the right material for this? It allows for large deformations during impact, which then rebound and it appears as if everything is fine. But the damage to your head is still...
Forum: RV-3 05-30-2018, 05:55 PM
Replies: 13
Views: 1,517
Posted By David Paule
Update

I designed my own and the first version was too expensive, with a lot of machining.

The second version was very simple but too heavy, at over a pound.

So the new plan is to simply use my Andair...
Forum: RV-8/8A 05-30-2018, 10:48 AM
Replies: 21
Views: 1,899
Posted By David Paule
I should have added that for the tip flanges, I...

I should have added that for the tip flanges, I made a tapered block of hardwood and clamped that inside the trim tab for backup. I'd put a radius on the edges.

I reserve a large shelf in my garage...
Forum: RV-8/8A 05-30-2018, 08:54 AM
Replies: 21
Views: 1,899
Posted By David Paule
Your next one will be considerably better. You...

Your next one will be considerably better.

You can avoid the hammer marks by using a wooden block to spread the load.

What I did for the end rib folds was use a 3" metal hand seamer, like this...
Forum: RV General Discussion/News 05-28-2018, 01:57 PM
Replies: 3
Views: 711
Posted By David Paule
Internal vs. External Star Lock Washers

Which should I use where?

While my immediate application is for steel screws into threaded aluminum, I'd appreciate learning about the reasons for one or the other generally.

Thanks!
Dave
RV-3B,...
Forum: RV General Discussion/News 05-25-2018, 10:16 PM
Replies: 4
Views: 1,174
Posted By David Paule
It's a good way to lock in some thermal stresses...

It's a good way to lock in some thermal stresses that will lead to cracks. Don't do it.

Dave
Forum: RV Building Tips/Techniques 05-25-2018, 01:30 PM
Replies: 7
Views: 622
Posted By David Paule
There's one solution given in the RV-3B plans, to...

There's one solution given in the RV-3B plans, to remake the flanges. I had to do that a few places for my fuselage. I described it in my VAF blog in

Post #323...
Forum: RV General Discussion/News 05-24-2018, 07:21 PM
Replies: 4
Views: 421
Posted By David Paule
Have you seen "The Aeroelectric Connection," by...

Have you seen "The Aeroelectric Connection," by Nickolls? It's a good book that includes a number of aircraft electrical schematics for most electrical configurations. With the manufacturers...
Forum: Tools 05-23-2018, 02:37 PM
Replies: 8
Views: 1,365
Posted By David Paule
What I prefer are castering wheels on all four...

What I prefer are castering wheels on all four legs, with two of them on the same long side, locking. Sometimes in my small shop, I need to move a bench sideways.




You can certainly use 2x4s...
Forum: Tools 05-23-2018, 10:09 AM
Replies: 8
Views: 1,365
Posted By David Paule
Examples of the Measurements

For the table height:

37" Desired height when done

3/4" Thickness of top

3/4" Thickness of the bottom squares

5" Height of the wheels
Forum: Primers 05-22-2018, 05:18 PM
Replies: 10
Views: 709
Posted By David Paule
I don't know first hand about that primer, but...

I don't know first hand about that primer, but Azko Noble epoxy primer has a well-earned reputation for being tough, durable, strong and effective.

Dave
Forum: Tools 05-22-2018, 12:27 PM
Replies: 8
Views: 1,365
Posted By David Paule
How To Build a Workbench

I've made eight of these so far. They all are doing their job now. They are relatively easy to make and go together quickly.

I use a circular saw and an electric screwdriver/drill. The hand tools...
Forum: Web Site Development 05-22-2018, 09:46 AM
Replies: 24
Views: 1,663
Posted By David Paule
Dan, I hope that you and the gang describe what...

Dan, I hope that you and the gang describe what you're doing and learning here, as you proceed, for the sake of others who'd like to know a little about this stuff.

Thanks!

Dave
Forum: Propellers 05-21-2018, 07:25 PM
Replies: 4
Views: 423
Posted By David Paule
And I'd be delighted with a 2-blade replacement...

And I'd be delighted with a 2-blade replacement for the 151.

Dave
RV-3B, skinning the belly
Forum: My RV Build Project 05-19-2018, 11:57 AM
Replies: 370
Views: 161,781
Posted By David Paule
With the tunnel shells and bulkheads drilled and...

With the tunnel shells and bulkheads drilled and fit, it was time to consider the belly insulation and fire protection. The insulation is 1/16" Fiberfrax and the fire protection is .020 Titanium. I...
Forum: RV General Discussion/News 05-17-2018, 12:20 PM
Replies: 43
Views: 5,148
Posted By David Paule
I was taught - Single engine, Night, Bad...

I was taught -

Single engine,
Night,
Bad weather,
Bad terrain,

You can safely do any two.

Dave
Forum: RV General Discussion/News 05-16-2018, 07:58 PM
Replies: 26
Views: 1,930
Posted By David Paule
I scrapped my first horizontal stabilizer for...

I scrapped my first horizontal stabilizer for poor riveting. It took me some time to decide how to proceed. Then I spent some effort and some money and with better tools, taught myself how to rivet...
Forum: My RV Build Project 05-16-2018, 03:44 PM
Replies: 370
Views: 161,781
Posted By David Paule
Garwin, I tend to be slower than a lot of...

Garwin, I tend to be slower than a lot of builders, so don't get the impression that an RV-3 is a huge amount of work, as it might not be for someone else. It's entirely doable and it's been an...
Forum: RV General Discussion/News 05-16-2018, 07:35 AM
Replies: 428
Views: 99,069
Posted By David Paule
Two Short Novels

Spirit of Steamboat,...
Forum: Traditional Aircraft Engines 05-15-2018, 10:10 AM
Replies: 3
Views: 454
Posted By David Paule
I use one from http://www.oilamatic.com/ on my...

I use one from http://www.oilamatic.com/ on my Cessna 180. So far I've been using it for over 20 years and probably 650 hours.

The installation was not difficult. The package included everything....
Forum: RV-14 05-13-2018, 01:57 PM
Replies: 11
Views: 1,409
Posted By David Paule
A buddy of mine had something close to that on...

A buddy of mine had something close to that on his non-RV homebuilt. Once he got the plane flying, he removed that system permanently. The possibilities of a non-good event regarding it were higher...
Forum: RV-14 05-12-2018, 08:07 PM
Replies: 32
Views: 3,111
Posted By David Paule
Even easier than the seal caps, mix up some of...

Even easier than the seal caps, mix up some of the Type A sealant (I bought mine from www.skygeek.com) and put it into a plastic syringe. Dot the rivet heads with that. Takes seconds, it's easy and...
Forum: RV General Discussion/News 05-12-2018, 05:31 PM
Replies: 12
Views: 1,572
Posted By David Paule
If your heart rate is normally that low and you...

If your heart rate is normally that low and you should ever need a pacemaker, be aware that it probably won't recognize that rate as normal and that could cause problems. It did for a friend of...
Forum: RV-14 05-12-2018, 05:28 PM
Replies: 32
Views: 3,111
Posted By David Paule
There are 3 main types of sealant that I...

There are 3 main types of sealant that I used:

1. Van's type B sealant.

2. Access panel sealant for the hatches.

3. The thinner, lower-viscosity type A sealant to overlay the rivet heads and...
Forum: RV General Discussion/News 05-10-2018, 02:09 PM
Replies: 8
Views: 568
Posted By David Paule
You could do a flow rate test without the pumps...

You could do a flow rate test without the pumps and then,
with data in hand, make a decision.

Dave
Forum: RV General Discussion/News 05-09-2018, 09:07 AM
Replies: 41
Views: 3,664
Posted By David Paule
One problem with raising the gross weight is that...

One problem with raising the gross weight is that the landing gear may no longer be strong enough. It's based on how much weight is on it, not on whether the plane is being flown at a reduced load...
Forum: RV-3 05-07-2018, 09:34 AM
Replies: 4
Views: 341
Posted By David Paule
Thanks Russell, this and Steve's posting together...

Thanks Russell, this and Steve's posting together show the situation well.

Dave
Forum: RV-3 05-06-2018, 05:26 PM
Replies: 4
Views: 341
Posted By David Paule
Thanks, Steve! Dave

Thanks, Steve!

Dave
Forum: RV-3 05-06-2018, 04:04 PM
Replies: 4
Views: 341
Posted By David Paule
F-335 Tunnel Bulkhead Question

I've read that these ought to be set aft slightly to allow for the landing gear.

Can anyone comment about this and perhaps tell me if so, how far?

Thanks!

Dave
Skinning my RV-3B fuselage right now
Forum: RV-8/8A 05-06-2018, 10:52 AM
Replies: 74
Views: 41,142
Posted By David Paule
The RV-12 also has this type of main gear...

The RV-12 also has this type of main gear attachment. It uses AN365 nuts.

But that's it - none of the others. So far.

Dave
Forum: RV General Discussion/News 05-05-2018, 05:22 PM
Replies: 9
Views: 1,226
Posted By David Paule
My engine was 12 years old when it was opened up,...

My engine was 12 years old when it was opened up, inspected and run. It had been stored in the dry states of Wyoming and Colorado since new.

It was fine.

So I'd suggest that you leave it alone...
Forum: RV General Discussion/News 05-04-2018, 03:01 PM
Replies: 18
Views: 1,301
Posted By David Paule
There are several good threads about this, so...

There are several good threads about this, so it's worth searching for them. Hint, the advanced search function is available if you click on "Search," in the blue band above.

The very best heating...
Forum: RV Ongoing Maintenance Issues 05-03-2018, 02:08 PM
Replies: 19
Views: 2,488
Posted By David Paule
Owners are allowed to do some work on their...

Owners are allowed to do some work on their certified airplanes, regardless of whether they are pilots or licensed mechanics, I believe. So they would not have a certificate number or type.

Dave
Forum: RV-8/8A 05-03-2018, 02:05 PM
Replies: 16
Views: 3,395
Posted By David Paule
This is exactly what they did at Aero Commander...

This is exactly what they did at Aero Commander for the singles when I was there - first job out of college.

Dave
Forum: RV Ongoing Maintenance Issues 05-03-2018, 12:54 PM
Replies: 19
Views: 2,488
Posted By David Paule
As a builder (it hasn't flown yet), I maintain a...

As a builder (it hasn't flown yet), I maintain a maintenance manual. I'd put any SB or AD compliance or serial number data there for future reference. Once I transition to having an airplane,...
Forum: ADS-B 04-30-2018, 04:18 PM
Replies: 25
Views: 2,916
Posted By David Paule
Exactly right. Good clarification, thanks for...

Exactly right. Good clarification, thanks for that.

Dave
Forum: My RV Build Project 04-30-2018, 10:40 AM
Replies: 370
Views: 161,781
Posted By David Paule
I clecoed the forward belly skin back on and used...

I clecoed the forward belly skin back on and used straps to tighten the Howe Fitting in place over the spar bulkhead. That is, it's "over" because the fuselage is being built upside down, but as far...
Forum: RV General Discussion/News 04-30-2018, 09:16 AM
Replies: 13
Views: 4,358
Posted By David Paule
My non-RV has an ARB Carb Ice Detector from...

My non-RV has an ARB Carb Ice Detector from Spruce. It reliably tells me when ice is beginning to form. Small amounts of carb heat can clear it at that point, so your locking cable is a good...
Forum: RV-10 04-29-2018, 09:17 PM
Replies: 7
Views: 1,120
Posted By David Paule
Also not for the RV-3B, although you made me...

Also not for the RV-3B, although you made me check. ;)

Dave
RV-3B, now skinning the fuselage
Forum: ADS-B 04-29-2018, 04:33 PM
Replies: 25
Views: 2,916
Posted By David Paule
The complete installation and electronics for an...

The complete installation and electronics for an L-3 Lynx 9000+, with one of the options plus a new encoder, cost about $6,700 in a certified plane. The shop removed an ancient transponder and...
Forum: RV-8/8A 04-29-2018, 10:46 AM
Replies: 7
Views: 1,491
Posted By David Paule
I use both Postimage.org and Imgur.com. Imgur...

I use both Postimage.org and Imgur.com. Imgur needs a free account, Postimage doesn't. Both are easy to use.

In both cases, you'll have to be careful to find the link to the photo from the various...
Forum: My RV Build Project 04-24-2018, 07:13 PM
Replies: 370
Views: 161,781
Posted By David Paule
Forward Belly Skin

Working on the forward belly skin, F-321. This one is the .040 piece that goes to the firewall.

The first bit of work I had to do was to correct the bottom edge of the forward lower longerons and...
Forum: RV-3 04-24-2018, 06:54 PM
Replies: 60
Views: 48,186
Posted By David Paule
A Firewall Detail and a Spar Bulkhead Fitting Issue

There are two areas in the assembly of the firewall and the spar bulkhead build-up where a builder might make an error like I did.

The first is on the bottom of the firewall. There's a 3/4 x 3/4 x...
Forum: RV-14 04-24-2018, 10:28 AM
Replies: 12
Views: 1,530
Posted By David Paule
I've got a non-RV and have owned it for decades....

I've got a non-RV and have owned it for decades. It has a glove box in the panel, and that's a very handy place for small storage. I won't say that I couldn't fly without it, but it would be...
Forum: Mid-Atlantic 04-23-2018, 02:57 PM
Replies: 2
Views: 755
Posted By David Paule
Sounds like a...

Sounds like a Panther.

http://flywithspa.com/panther-2/

Dave
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