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Search: Posts Made By: rvbuilder2002
Forum: RV-7/7A Today, 09:49 AM
Replies: 8
Views: 403
Posted By rvbuilder2002
Another Resource for info......

Another resource would be to use the RV-14 cowl install plans for reference.
The RV-14 cowling is different in physical shape but the general design, and installation process is pretty much the...
Forum: RV-10 Today, 08:41 AM
Replies: 15
Views: 1,452
Posted By rvbuilder2002
There can be slip joints in the exhaust system...

There can be slip joints in the exhaust system that are not 100% sealed (depending on what manufacturers system is installed).
Forum: RV Building Tips/Techniques Yesterday, 02:26 PM
Replies: 4
Views: 259
Posted By rvbuilder2002
I have sprayed a lot of it but never at temps...

I have sprayed a lot of it but never at temps below about 60 F. in the shop.

A 1.4 tip does a good job.

The biggest benefit of priming tends to be protection of mating surfaces where moisture can...
Forum: RV General Discussion/News Yesterday, 10:50 AM
Replies: 5
Views: 238
Posted By rvbuilder2002
If the airbox you have now is slightly rounded on...

If the airbox you have now is slightly rounded on the bottom, and the filter is installed with an oval aluminum plate clamping onto the bottom of the filter, I think the new to plate will be slightly...
Forum: RV-6/6A Yesterday, 10:44 AM
Replies: 18
Views: 529
Posted By rvbuilder2002
I should have clarified that I was talking about...

I should have clarified that I was talking about comparing to the kit supplied aluminum line........:o
Forum: RV-3 Yesterday, 09:44 AM
Replies: 29
Views: 3,433
Posted By rvbuilder2002
Did you follow up after you got no reply? It is...

Did you follow up after you got no reply?

It is fairly common for breakdowns to happen with e-mail (it is not 100% reliable).

One of the common causes of a failed connection with Van's tech....
Forum: RV-6/6A Yesterday, 09:39 AM
Replies: 18
Views: 529
Posted By rvbuilder2002
Maybe, but decades of good service history on...

Maybe, but decades of good service history on thousands of RV's built with the supplied line material indicates that it doesn't matter......

In fact, for those always interested in doing what they...
Forum: RV-12 01-12-2018, 07:52 PM
Replies: 2
Views: 250
Posted By rvbuilder2002
Check the current section 5 of the plans

Check the current section 5 of the plans
Forum: RV-12 01-12-2018, 04:25 PM
Replies: 38
Views: 13,516
Posted By rvbuilder2002
This style AOA port was first used on D-180's by...

This style AOA port was first used on D-180's by many RV-12 owners so the kit should work.

The first finish kit hasn't shipped yet but the orders people at Van's may be able to help since it is...
Forum: RV-12 01-12-2018, 09:38 AM
Replies: 9
Views: 869
Posted By rvbuilder2002
I haven't tried it with nothing, but during...

I haven't tried it with nothing, but during flight testing I was using electrical tape to seal the gap, so that is an option. You just have to avoid stretching the tape at all during installation.
Forum: RV-12 01-11-2018, 03:49 PM
Replies: 150
Views: 18,879
Posted By rvbuilder2002
The Rotax is rated at 100 HP at 5800 RPM, for...

The Rotax is rated at 100 HP at 5800 RPM, for take-off, for 5 minutes .
The continuous limit is 5500 RPM.
So Yes, I was meaning take-off since that is technically the only time use of full rated...
Forum: RV-12 01-11-2018, 02:22 PM
Replies: 150
Views: 18,879
Posted By rvbuilder2002
That statement is direct from the tech. guys at...

That statement is direct from the tech. guys at Kodiak. You know who they are. They handle tech support for all sales in North (USA and Canada) and I think South America
It was reiterated during...
Forum: RV-10 01-11-2018, 12:29 PM
Replies: 15
Views: 1,452
Posted By rvbuilder2002
I suggest starting with a light penetration test...

I suggest starting with a light penetration test of the firewall.

At night in a darkened hangar with the cowl removed, have a helper pan a bright light across the entire firewall and watch for any...
Forum: RV General Discussion/News 01-11-2018, 12:25 PM
Replies: 10
Views: 779
Posted By rvbuilder2002
It depends largely on the storage environment and...

It depends largely on the storage environment and operating procedures......

A gascolator installation in an RV (per the plans installation anyway) is not intended to be a low point for draining...
Forum: RV-12 01-11-2018, 09:22 AM
Replies: 38
Views: 13,516
Posted By rvbuilder2002
Well, since it was a post of mine that you...

Well, since it was a post of mine that you quoted, I will offer that I think you would be adding a lot of work complexity and expense for zero benefit.

If the RV-12 AOA kit is installed per the...
Forum: RV Building Tips/Techniques 01-10-2018, 11:14 PM
Replies: 51
Views: 3,513
Posted By rvbuilder2002
I don't think any of the construction manuals...

I don't think any of the construction manuals recommend purposely making the canopy hot during installation. It does caution against doing it with it cold. In that situation use of artificial heat to...
Forum: RV-14 01-10-2018, 12:55 PM
Replies: 5
Views: 494
Posted By rvbuilder2002
Expanding a bit..... On the RV-14 the baffles...

Expanding a bit.....
On the RV-14 the baffles could be installed before the cowl because the baffles come trimmed to final size.

My recommendation would be that the cowl still be done first, or at...
Forum: RV-12 01-09-2018, 08:37 PM
Replies: 7
Views: 788
Posted By rvbuilder2002
Actually it was a change in the rivets. The...

Actually it was a change in the rivets.
The rivets at these locations haven't always been flush. That caused the wing walk to wear down more rapidly over the rivet bumps.
A while back (I don't know...
Forum: RV-12 01-09-2018, 02:11 PM
Replies: 12
Views: 816
Posted By rvbuilder2002
I imagine you did work to higher standards in...

I imagine you did work to higher standards in that environment, but I would bet it still didn't result in zero errors, and it probably involved a complex and laborious paperwork process to report...
Forum: RV-12 01-09-2018, 02:07 PM
Replies: 7
Views: 788
Posted By rvbuilder2002
Yes, but Revisions are not always posted to the...

Yes, but Revisions are not always posted to the web site if the only changes to a section were related to a design enhancement or improvement (as in this case changing to flush rivets under the wing...
Forum: RV-12 01-09-2018, 01:42 PM
Replies: 12
Views: 816
Posted By rvbuilder2002
And all I meant to imply was that even with...

And all I meant to imply was that even with configuration control, things can happen.
The only reason I mentioned looking through the forums was to indicate that errors in the plans have gotten to be...
Forum: RV-12 01-09-2018, 09:40 AM
Replies: 12
Views: 816
Posted By rvbuilder2002
Anyone on the fence about buying an RV kit, that...

Anyone on the fence about buying an RV kit, that will be overly frustrated and upset by an occasional plans error.... please do not buy one. The goal of the people that design and develop the kits...
Forum: RV-12 01-09-2018, 09:26 AM
Replies: 7
Views: 788
Posted By rvbuilder2002
It looks like this is a change that fell through...

It looks like this is a change that fell through the cracks... it happens occasionally.

Not a big deal though, since it sounds like you are fully aware (now at least) that there is intended to be...
Forum: RV Building Tips/Techniques 01-08-2018, 09:55 AM
Replies: 51
Views: 3,513
Posted By rvbuilder2002
There is nothing wrong with the RV-8 canopy mold,...

There is nothing wrong with the RV-8 canopy mold, because there is no mold.
The canopies for the RV-3, 4 and 8 are free blown bubbles.

When making the canopy, the heated material is restrained...
Forum: RV General Discussion/News 01-08-2018, 09:22 AM
Replies: 5
Views: 622
Posted By rvbuilder2002
The pin size that the tow bar engages to is the...

The pin size that the tow bar engages to is the same size and you might be able to adapt it to work, but I wouldn't recommend it.
The tow bar is made out of light weight aluminum tubing which works...
Forum: RV-10 01-06-2018, 02:28 PM
Replies: 25
Views: 3,250
Posted By rvbuilder2002
I see a strong potential for some great sales...

I see a strong potential for some great sales literature photos in this thread....;)
Forum: RV-12 01-06-2018, 02:14 PM
Replies: 6
Views: 977
Posted By rvbuilder2002
There is no noticeable difference in smoothness...

There is no noticeable difference in smoothness between the standard two blade and the three blade being tested as long as both have had the blade pitch set accurately and a dynamic balance has been...
Forum: RV Building Tips/Techniques 01-05-2018, 02:19 PM
Replies: 3
Views: 399
Posted By rvbuilder2002
The primary reason anything is used is to prevent...

The primary reason anything is used is to prevent the screen from coming apart / unraveling since it is only captured by the rivets at the 4 corners.
Anything that would do this could be used. Tank...
Forum: RV-12 01-05-2018, 12:06 PM
Replies: 6
Views: 692
Posted By rvbuilder2002
Apparently it works fine as long as the carb....

Apparently it works fine as long as the carb. vent tubes are at the same air pressure as the inlet of the carb.
That is why the carb vent hoses are connected to the induction airbox on the...
Forum: Safety 01-05-2018, 10:38 AM
Replies: 36
Views: 4,175
Posted By rvbuilder2002
I understand that is the question some are...

I understand that is the question some are asking.

That is not the question that he asked.....
Forum: Safety 01-05-2018, 10:07 AM
Replies: 36
Views: 4,175
Posted By rvbuilder2002
I am not sure what your question is? Are you...

I am not sure what your question is?

Are you implying that as long as all of the structure on a kit plane was built exactly per the plans, that there should never be any situation or condition that...
Forum: Safety 01-04-2018, 11:40 PM
Replies: 36
Views: 4,175
Posted By rvbuilder2002
The core airframe (and its construction quality)...

The core airframe (and its construction quality) rarely have much influence in accident causes.
It is the systems (primarily engine and fuel) that have the primary influence. Mistakes during...
Forum: Safety 01-04-2018, 11:33 PM
Replies: 36
Views: 4,175
Posted By rvbuilder2002
And even if they were, they are not all in the...

And even if they were, they are not all in the USA (which I think is the only part of the fleet that the accident rate data is based on.)
Forum: RV-12 01-04-2018, 11:26 PM
Replies: 6
Views: 977
Posted By rvbuilder2002
It was nice meeting you yesterday Ed. Sorry I had...

It was nice meeting you yesterday Ed.
Sorry I had to run right away.... we were late getting to a meeting after returning from a test flight evaluating the propeller performance.

One correction.......
Forum: RV General Discussion/News 01-04-2018, 03:54 PM
Replies: 27
Views: 3,441
Posted By rvbuilder2002
One of the big differences between Certificated...

One of the big differences between Certificated and Experimental is the level of engineering of a lot of the systems, and the experience of the person installing them.

The #1 cause of experimental...
Forum: RV-12 01-04-2018, 09:47 AM
Replies: 47
Views: 5,170
Posted By rvbuilder2002
Implied is enough. Flight as an LSA is the...

Implied is enough.
Flight as an LSA is the purpose it was specifically certified as.

All of the Van's company airplanes (except for RV-12's) are certified as Experimental - Market Survey. Market...
Forum: RV-12 01-03-2018, 11:21 PM
Replies: 47
Views: 5,170
Posted By rvbuilder2002
I can put you in contact with a couple of the...

I can put you in contact with a couple of the people in Oklahoma that oversee the entire LSA program in the USA.
They should be able to give you the (official) answers you seek.
Forum: RV-12 01-03-2018, 11:18 PM
Replies: 47
Views: 5,170
Posted By rvbuilder2002
Ok, then for everyone else..... For an E-LSA to...

Ok, then for everyone else.....

For an E-LSA to receive its airworthiness cert., the kit manufacturer and the builder must both certify on a Form 8130-15 that the airplane kit and assembly processes...
Forum: RV-12 01-03-2018, 09:10 PM
Replies: 35
Views: 3,541
Posted By rvbuilder2002
Dynavibe has a more expensive model that does...

Dynavibe has a more expensive model that does weight calcs for you.
Forum: RV-12 01-03-2018, 05:27 PM
Replies: 35
Views: 3,541
Posted By rvbuilder2002
My point was that hundreds of RV-12's have been...

My point was that hundreds of RV-12's have been balanced to a high level of precision using the standard balancing procedures (loads of posts here in the forum with details)
You are correct that the...
Forum: RV-12 01-03-2018, 04:18 PM
Replies: 35
Views: 3,541
Posted By rvbuilder2002
The first question I always ask my self when...

The first question I always ask my self when something isn't working as expected, is "why does it work fine for LOTS of other people using this same procedure?"
It is rare that a new/different...
Forum: RV Building Tips/Techniques 01-03-2018, 08:46 AM
Replies: 20
Views: 1,788
Posted By rvbuilder2002
I agree. Every dimpling tool requires some level...

I agree.

Every dimpling tool requires some level of skill and understanding for good results.

I have seen no indication that the DRDT-2 assures good results. I have seen it produce just as much...
Forum: RV-9/9A 01-02-2018, 11:27 PM
Replies: 21
Views: 2,170
Posted By rvbuilder2002
You are right, but isn't that the case with...

You are right, but isn't that the case with nearly every airplane that can fly.
So why is that regularly used as a reason for justifying using a larger engine?
Operating primarily out of a high...
Forum: RV-9/9A 01-02-2018, 10:51 PM
Replies: 21
Views: 2,170
Posted By rvbuilder2002
It has nothing to do with VNE!

Since it has been a while, I guess another clarification is appropriate...

I have posted numerous times in the past but the most recent I found is HERE...
Forum: RV General Discussion/News 01-02-2018, 03:38 PM
Replies: 40
Views: 5,965
Posted By rvbuilder2002
For anyone else interested, there is potential...

For anyone else interested, there is potential for this to have a negative impact on handle if it exists on other control surfaces as well....

A bulged control surface will make it act as if it were...
Forum: RV General Discussion/News 01-02-2018, 01:56 PM
Replies: 40
Views: 5,965
Posted By rvbuilder2002
Sort of... in the case of a mis-formed trailing...

Sort of... in the case of a mis-formed trailing edge it has the opposite effect.

Page 05-10 of the current Section 5 (http://www.vansaircraft.com/pdf/revisions/RV-ALL_05.pdf) of the construction...
Forum: RV General Discussion/News 01-02-2018, 12:34 PM
Replies: 40
Views: 5,965
Posted By rvbuilder2002
I don't know if it is a factor for your airplane...

I don't know if it is a factor for your airplane or not Ron, but aileron shape can have some influence on max roll rate (though I don't think it would be a big difference).

If the aileron trailing...
Forum: RV-6/6A 01-02-2018, 12:23 PM
Replies: 14
Views: 2,085
Posted By rvbuilder2002
As already mentioned, one of the key ingredients...

As already mentioned, one of the key ingredients to good heater performance is stopping cold air from coming in. The best heat system in the world can't do much if you have air coming in that is...
Forum: RV Building Tips/Techniques 01-02-2018, 12:04 PM
Replies: 20
Views: 1,788
Posted By rvbuilder2002
The rubber hammer is likely your problem. We use...

The rubber hammer is likely your problem.

We use a hard plastic tipped (replaceable tips) metal hammer in our shop. It still requires hitting quite a bit harder than if a steel hammer were...
Forum: RV Building Tips/Techniques 01-02-2018, 11:43 AM
Replies: 20
Views: 1,788
Posted By rvbuilder2002
As already mentioned, you can't really over...

As already mentioned, you can't really over dimple using a c-frame tool unless you were using a 5 lb hammer and hitting way harder than anyone would likely do.

What you see is more than likely under...
Forum: RV-3 01-02-2018, 12:23 AM
Replies: 29
Views: 3,433
Posted By rvbuilder2002
It is a common repair method but this is a very...

It is a common repair method but this is a very oversized hole.
That would mean that instead of a single shear point on each end of the bolt it would be in double shear with a slight gap inducing a...
Forum: RV-14 12-31-2017, 05:04 PM
Replies: 5
Views: 759
Posted By rvbuilder2002
If you want an invisible blend of the fiberglass...

If you want an invisible blend of the fiberglass to the fiberglass to the upper fwd skin once the airplane is painted you need to intentionally sand the entire perimeter so that it exposes the metal...
Forum: RV-3 12-31-2017, 01:01 PM
Replies: 29
Views: 3,433
Posted By rvbuilder2002
There are X and Y designation (rather expensive)...

There are X and Y designation (rather expensive) over sized bolts available that are approved for use on RV gear legs but they are only .015 and .030" over sized. Based on your photo it looks like...
Forum: RV General Discussion/News 12-31-2017, 12:41 PM
Replies: 5
Views: 373
Posted By rvbuilder2002
Keep in mind that if you intend to use it cross...

Keep in mind that if you intend to use it cross country to get to town from an airport, the tiny wheels can make for a pretty rough ride along the sides of typical roads that you would often...
Forum: RV-12 12-31-2017, 12:30 PM
Replies: 221
Views: 106,986
Posted By rvbuilder2002
I am also remembering 8mm What works really well...

I am also remembering 8mm
What works really well is to purchase just an 8mm ball end allen wrench and cut of the short "L" leg and insert it into a socket.
That gives you an approx 4" long skinny...
Forum: RV-12 12-31-2017, 12:23 PM
Replies: 2
Views: 757
Posted By rvbuilder2002
No it is not normal. I think there is a...

No it is not normal.
I think there is a possibility that the wrong grip length rivets were used.
I don't have plans to look at but I think when the new style bracket gets installed LP4-4 rivets are...
Forum: RV General Discussion/News 12-29-2017, 01:21 PM
Replies: 81
Views: 6,742
Posted By rvbuilder2002
Exactly! This discussion subject comes up every...

Exactly!

This discussion subject comes up every once and a while with the same results....
1 - Some that would never empty a tank....
2 - Some that do it all the time......
3 - and some that would...
Forum: RV-14 12-29-2017, 12:44 PM
Replies: 3
Views: 490
Posted By rvbuilder2002
It is a stud that is threaded into the oil...

It is a stud that is threaded into the oil sump.

It wont fall in.

Use a new lock washer when reinstalling the hardware.
Forum: RV-12 12-29-2017, 12:37 PM
Replies: 35
Views: 3,541
Posted By rvbuilder2002
I have never used a Dynavibe balancer so it may...

I have never used a Dynavibe balancer so it may not have the capability, but the ASUS balancers do the weight adjustment and repositioning calculations for you.

During the balancing process, if the...
Forum: RV General Discussion/News 12-28-2017, 01:37 PM
Replies: 31
Views: 4,593
Posted By rvbuilder2002
I would have no problem using it but I wouldn't...

I would have no problem using it but I wouldn't thin the metal by fully polishing out the marks....
There is minimal localized loading of the skin at that point so the likelihood of future cracking...
Forum: RV-14 12-28-2017, 01:29 PM
Replies: 19
Views: 1,065
Posted By rvbuilder2002
I don't think so but it was never tried there. ...

I don't think so but it was never tried there. There is a much longer hose routing to the pilots side which has a higher amount of flow resistance than the short path to the co-pilots side. This...
Forum: RV General Discussion/News 12-28-2017, 12:03 PM
Replies: 13
Views: 896
Posted By rvbuilder2002
Paul's idea works well and is simple. I use it a...

Paul's idea works well and is simple. I use it a lot.
As long as there is something distributing the weight over a large are of the skin it works fine... just try and avoid a small single point load...
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