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Search: Posts Made By: rvbuilder2002
Forum: RV Building Tips/Techniques 01-21-2022, 02:03 PM
Replies: 49
Views: 2,002
Posted By rvbuilder2002
I have done test samples were a rivet joint was...

I have done test samples were a rivet joint was sectioned and inspected. It showed that riveting does not reform the lower dimple to produce a net fit between the two (even tough to your eye it may...
Forum: RV Building Tips/Techniques 01-21-2022, 01:23 PM
Replies: 49
Views: 2,002
Posted By rvbuilder2002
I assumed that is what you meant, and that is...

I assumed that is what you meant, and that is what my answer was a reply too.
Riveting does not reform the lower dimple to make them nested together in a net fit.
Forum: RV-12/RV-12iS 01-21-2022, 01:18 PM
Replies: 12
Views: 901
Posted By rvbuilder2002
I think you just did that for me Matt :p I was...

I think you just did that for me Matt :p

I was thinking there was a roll pin within the mechanism at some point that could act as a shear pin but I must be thinking of something else (with my aging...
Forum: RV Building Tips/Techniques 01-21-2022, 01:13 PM
Replies: 49
Views: 2,002
Posted By rvbuilder2002
True, but they don't. And from an engineering...

True, but they don't.

And from an engineering perspective, we expect that to be the case.
Forum: RV Building Tips/Techniques 01-21-2022, 12:37 PM
Replies: 49
Views: 2,002
Posted By rvbuilder2002
Not from what I have seen, but if it did,...

Not from what I have seen, but if it did, wouldn't it negate the need for forming a bigger dimple in the underlying part?
Forum: RV Building Tips/Techniques 01-21-2022, 11:50 AM
Replies: 49
Views: 2,002
Posted By rvbuilder2002
We do not endorse or specify the use of sub...

We do not endorse or specify the use of sub structure dimple dies in our construction manuals for a very specific reason.

When a .098" diam. (#40) hole is dimple counter sunk, the displacement of...
Forum: RV Building Tips/Techniques 01-21-2022, 11:07 AM
Replies: 49
Views: 2,002
Posted By rvbuilder2002
Not only possible, it does work.

Not only possible, it does work.
Forum: RV Building Tips/Techniques 01-21-2022, 10:48 AM
Replies: 49
Views: 2,002
Posted By rvbuilder2002
When discussing dimple quality, saying that a...

When discussing dimple quality, saying that a hole is under dimpled is not meaning that the dimple is not formed enough to properly accept a rivet. It could mean that, but it would be a severe case...
Forum: RV-12/RV-12iS 01-21-2022, 09:26 AM
Replies: 12
Views: 901
Posted By rvbuilder2002
The Dynon servos have a clutch that also allows...

The Dynon servos have a clutch that also allows slippage, depending on what the programed torque value is.
It is true that they also have a shear pin, a shear screw actually, (and the Garmin servo...
Forum: RV Building Tips/Techniques 01-20-2022, 09:06 AM
Replies: 49
Views: 2,002
Posted By rvbuilder2002
I most definitely see under formed dimples. It...

I most definitely see under formed dimples.
It could be caused by the dimple dies, but in my opinion, the DRDT-2 is always going to produce dimples of lesser quality than other methods.
Forum: RV General Discussion/News 01-18-2022, 09:20 AM
Replies: 13
Views: 1,580
Posted By rvbuilder2002
There are a lot of errors in the registration...

There are a lot of errors in the registration database.
There is about 20 different RV's certificated as E-AB aircraft, that have Van's Aircraft Inc. listed as the manufacturer. I don't know how...
Forum: RV General Discussion/News 01-14-2022, 12:40 PM
Replies: 51
Views: 8,115
Posted By rvbuilder2002
It is possible that things have change from how I...

It is possible that things have change from how I understand them, but the standard non-certified Rotax warranty is 18 months or 200 hrs, whichever comes first, and in the past, RV-12 builders were...
Forum: RV Building Tips/Techniques 01-13-2022, 02:00 PM
Replies: 24
Views: 2,399
Posted By rvbuilder2002
I maybe should qualify the above by saying "when...

I maybe should qualify the above by saying "when installed using two camlock fasteners as detailed in the kit".

Using other types of latches that just hold the door closed (but don't restrain the...
Forum: RV Building Tips/Techniques 01-13-2022, 11:54 AM
Replies: 24
Views: 2,399
Posted By rvbuilder2002
An .063 thick aluminum door like supplied in the...

An .063 thick aluminum door like supplied in the kit for the RV-14, is stiff enough to hold its shape (though not quite as light as a properly stiffened composite door).
Forum: RV Ongoing Maintenance Issues 01-06-2022, 11:10 PM
Replies: 9
Views: 440
Posted By rvbuilder2002
I agree. The sender should only be removed after...

I agree. The sender should only be removed after troubleshooting has been done and it is confirmed to be bad. The way the system works is the indicator reads empty with the highest resistance of the...
Forum: RV General Discussion/News 01-02-2022, 07:12 PM
Replies: 36
Views: 2,796
Posted By rvbuilder2002
Yes Carl, there actually is :rolleyes: In fact...

Yes Carl, there actually is :rolleyes:

In fact work has been being done on updating and expanding Section 15 in the manual for application to all models, but I don't have any info on when that will...
Forum: RV General Discussion/News 01-01-2022, 06:23 PM
Replies: 36
Views: 2,796
Posted By rvbuilder2002
For me it is dependent on the flight regime. In...

For me it is dependent on the flight regime.

In level cruise flight, if I am operating at any IAS above Vno (the start of the yellow arc), I reduce speed to be at or below Vno at the first...
Forum: RV General Discussion/News 01-01-2022, 05:58 PM
Replies: 15
Views: 1,931
Posted By rvbuilder2002
Keep in mind that wing angle of attack, and...

Keep in mind that wing angle of attack, and actual pitch angle can be very different values.

Some of the RV models with a high power to weight ratio, when lightly loaded, are capable of full power...
Forum: RV Building Tips/Techniques 01-01-2022, 05:38 PM
Replies: 13
Views: 982
Posted By rvbuilder2002
In my opinion, these situations would be cases of...

In my opinion, these situations would be cases of torque seal being applied when the fasteners had not been properly torqued.

Torque seal is a valuable tool when it is used correctly. It needs to...
Forum: RV-12/RV-12iS 12-29-2021, 01:16 PM
Replies: 15
Views: 1,634
Posted By rvbuilder2002
As already mentioned, knowing the actual weight...

As already mentioned, knowing the actual weight is only one of the reasons for doing the weight and balance calculation process.
Note that balance is the second (and possibly most important)...
Forum: RV-14 12-27-2021, 03:26 PM
Replies: 15
Views: 1,856
Posted By rvbuilder2002
The temp. delta between air sourced at the inlet...

The temp. delta between air sourced at the inlet ramp vs at the back of the plenum is negligible and either location is acceptable as an air source for cabin heat (no difference in potential for Co).
Forum: RV-14 12-25-2021, 03:08 PM
Replies: 66
Views: 23,905
Posted By rvbuilder2002
I think one of the guys on the sustaining...

I think one of the guys on the sustaining engineering team is working on this project now.
Forum: RV-14 12-25-2021, 03:07 PM
Replies: 15
Views: 1,856
Posted By rvbuilder2002
Just to clarify.... I never said that heat muffs...

Just to clarify.... I never said that heat muffs placed much further down the length of the pipes would produce no heat. I said it would produce less of a temp delta than if they are placed closer...
Forum: RV-14 12-24-2021, 01:09 PM
Replies: 15
Views: 1,856
Posted By rvbuilder2002
One difference will be a slight reduction in...

One difference will be a slight reduction in cabin heat performance. With the heat muff located that far down the exhaust there is quite a large difference in the amount of heat transfer compared to...
Forum: RV-12/RV-12iS 12-22-2021, 10:29 AM
Replies: 8
Views: 875
Posted By rvbuilder2002
A way to solve the boot interference issue is to...

A way to solve the boot interference issue is to stuff some of the boot through the bulkhead opening.

I.E., slide the small portion that is around the stick, further down the stick and stuff the...
Forum: RV-6/6A 12-18-2021, 06:07 PM
Replies: 34
Views: 12,715
Posted By rvbuilder2002
I would recommend against slotting the F-604...

I would recommend against slotting the F-604 bulkhead.

No offense, but it is frustrating every time I see someone post a justification statement to defend a modification they have made, by saying...
Forum: RV-6/6A 12-17-2021, 01:56 PM
Replies: 13
Views: 1,494
Posted By rvbuilder2002
As already pointed out, an RV-6 is not prohibited...

As already pointed out, an RV-6 is not prohibited from doing spins by Van's.
We can not really do that and still call it an aerobatic airplane.

As pointed out in the documents previously linked,...
Forum: RV-6/6A 12-16-2021, 09:37 AM
Replies: 13
Views: 1,494
Posted By rvbuilder2002
The info in both of these posts is right on with...

The info in both of these posts is right on with one exception that I think deserves some clarification.

No RV-6 should have been built with an RV-7 rudder if built per Van's Aircraft...
Forum: RV General Discussion/News 12-16-2021, 12:47 AM
Replies: 6
Views: 810
Posted By rvbuilder2002
Plus 5 Section 5 of the manual has details about...

Plus 5

Section 5 of the manual has details about when a bolt should not be torqued to standard value, and this isnít one of them.
Forum: RV-15 12-12-2021, 11:36 PM
Replies: 15
Views: 3,753
Posted By rvbuilder2002
I would say say your thinking is correct.

I would say say your thinking is correct.
Forum: RV-12/RV-12iS 12-10-2021, 11:10 PM
Replies: 11
Views: 1,883
Posted By rvbuilder2002
Iím not clear on how you will do that because it...

Iím not clear on how you will do that because it is totally false.
Forum: RV General Discussion/News 12-04-2021, 06:56 PM
Replies: 11
Views: 1,336
Posted By rvbuilder2002
NAS1097 is what everyone uses as an oops...

NAS1097 is what everyone uses as an oops rivet.

As for the other part…. I have no idea what you mean…. but ok.
Forum: RV General Discussion/News 12-03-2021, 11:27 PM
Replies: 11
Views: 1,336
Posted By rvbuilder2002
My comment was related to the specific part #...

My comment was related to the specific part # rivet NAS1097.
It is a feature specific to that rivet.
There are different part # rivets that have similar but different features that were designed...
Forum: RV General Discussion/News 12-03-2021, 01:55 PM
Replies: 11
Views: 1,336
Posted By rvbuilder2002
The dimple on head of the rivet is not purely for...

The dimple on head of the rivet is not purely for identification... it has a dynamic purpose that enables the rivet to attain the strength rating that it has.

When the rivet is set that small amount...
Forum: RV-8/8A 12-02-2021, 11:56 AM
Replies: 18
Views: 1,455
Posted By rvbuilder2002
Keep in mind that with the size of screens that...

Keep in mind that with the size of screens that most people use now a days (even in an RV-8), removing just 4 screws and pulling the screen out of the panel (takes less than 2 minutes) provides a...
Forum: RV-12/RV-12iS 12-02-2021, 11:32 AM
Replies: 8
Views: 1,552
Posted By rvbuilder2002
This should provide the same result... we used...

This should provide the same result... we used the same method on the first prototype.

Keep in mind that if presenting an RV-12 for initial certification as an ELSA, technically the seals should be...
Forum: RV-12/RV-12iS 11-30-2021, 01:49 PM
Replies: 39
Views: 12,756
Posted By rvbuilder2002
I agree From a previous post in this...

I agree

From a previous post in this thread..........
Forum: RV-12/RV-12iS 11-30-2021, 09:35 AM
Replies: 8
Views: 901
Posted By rvbuilder2002
The following thread has some good information...

The following thread has some good information that might be helpful.

https://vansairforce.net/community/showthread.php?t=187711&highlight=hole+tolerance
Forum: RV Building Tips/Techniques 11-29-2021, 12:54 PM
Replies: 27
Views: 4,437
Posted By rvbuilder2002
I agree, but many would debate what he shares as...

I agree, but many would debate what he shares as well (from talking with him in the past, I think that is the reason).
Forum: RV Building Tips/Techniques 11-29-2021, 11:20 AM
Replies: 27
Views: 4,437
Posted By rvbuilder2002
As already mentioned, detailed photos already...

As already mentioned, detailed photos already exist in Section 5 of the manual.


https://www.vansaircraft.com/service-information-and-revisions/5/
Forum: RV Building Tips/Techniques 11-29-2021, 11:19 AM
Replies: 27
Views: 4,437
Posted By rvbuilder2002
Short enough to clear the standard kit supplied...

Short enough to clear the standard kit supplied instrument panel is appropriate.
Shortening to clear a custom, deeper, panel would be staring to deviate towards unacceptable.
Forum: RV Building Tips/Techniques 11-29-2021, 09:44 AM
Replies: 27
Views: 4,437
Posted By rvbuilder2002
As Larry wrote, there is fairly detailed...

As Larry wrote, there is fairly detailed instructions in SECTION 5 (https://www.vansaircraft.com/service-information-and-revisions/5/) on how to evaluate the shape of control surfaces with bent (vs...
Forum: RV-14 11-28-2021, 01:52 PM
Replies: 1
Views: 625
Posted By rvbuilder2002
Weight reduction. With the load path that exists...

Weight reduction.
With the load path that exists in that part, the removed material provides no structural benefit.
Forum: RV-6/6A 11-28-2021, 12:52 PM
Replies: 11
Views: 1,171
Posted By rvbuilder2002
The 7 has a little more leg room than the 6 but...

The 7 has a little more leg room than the 6 but headroom is about the same. You will find a lot more difference in seating comfort and fit depending on what brand seat cushions are installed then you...
Forum: RV-14 11-27-2021, 10:00 AM
Replies: 6
Views: 1,205
Posted By rvbuilder2002
Our demonstrators have LRUís mounted flush to the...

Our demonstrators have LRUís mounted flush to the upper part of the panel and then a few washers added as spacers to fill in the gap on the angled lower part of the panel. Simple and effective.
Forum: RV Building Tips/Techniques 11-23-2021, 09:33 AM
Replies: 26
Views: 4,255
Posted By rvbuilder2002
I hope that people will take Dan's' comment to...

I hope that people will take Dan's' comment to heart.

I personally know of a few instances where people spent a huge amount of additional time designing and building there own plenum system only to...
Forum: RV-10 11-22-2021, 11:09 AM
Replies: 15
Views: 1,799
Posted By rvbuilder2002
No, you are correct (shouldn't post so early in...

No, you are correct (shouldn't post so early in the morning).
Our plans show using an .090 pin but that is not necessary.

We use a full size pin on our demonstrator and it goes in and out fine since...
Forum: RV-10 11-22-2021, 09:08 AM
Replies: 15
Views: 1,799
Posted By rvbuilder2002
My suggestion would be for you get a copy of the...

My suggestion would be for you get a copy of the RV-10 plans to use as a reference for how it is intended to be.
They will give you details for how the pin is meant to be shaped.
The rear pins on the...
Forum: RV-10 11-22-2021, 09:05 AM
Replies: 15
Views: 1,799
Posted By rvbuilder2002
This is true for some of the other models but not...

This is true for some of the other models but not the RV-10 (or the 14)

On the RV-10 a .125" diam. pin is specified and each are equal length installed from the top center pushed outboard.
Forum: RV Ongoing Maintenance Issues 11-21-2021, 02:08 PM
Replies: 8
Views: 790
Posted By rvbuilder2002
Yes It is super easy to assure a good seal after...

Yes

It is super easy to assure a good seal after doing whatever other sealing was done inside.
Forum: RV Ongoing Maintenance Issues 11-21-2021, 10:28 AM
Replies: 8
Views: 790
Posted By rvbuilder2002
Not what I would recommend. Installation of the...

Not what I would recommend.
Installation of the rear baffle is where most people end up with a leak (if they have one).
Removing the baffle would force you to walk that path again with the...
Forum: RV General Discussion/News 11-21-2021, 09:45 AM
Replies: 1
Views: 574
Posted By rvbuilder2002
Note the stated requirement for compliance...

Note the stated requirement for compliance (highlighted above).

The operating limitation is just stating the requirement. Complying with the requirement would be making an entry in the aircraft...
Forum: RV-6/6A 11-20-2021, 11:59 PM
Replies: 11
Views: 1,281
Posted By rvbuilder2002
The canopy parts (slider or tip-up) in the finish...

The canopy parts (slider or tip-up) in the finish kits for an RV-6 or RV-7 are the exact same parts.
The sliding canopy kit was revised slightly when the RV-9A was introduced(1999) and the tip-up...
Forum: RV-12/RV-12iS 11-20-2021, 02:26 PM
Replies: 5
Views: 1,787
Posted By rvbuilder2002
Hi Wes, My post wasn't meant to pass judgment on...

Hi Wes,
My post wasn't meant to pass judgment on what might have been the cause of your engine start difficulties.
I don't really have any ideas what might have caused it, and it sounds like you did...
Forum: RV-12/RV-12iS 11-18-2021, 09:27 AM
Replies: 5
Views: 1,787
Posted By rvbuilder2002
I conferred with our SLSA production guys about...

I conferred with our SLSA production guys about their experience with first engine starts (they have done a lot of them....), and their experience matches up with mine.
That it is fairly typical for...
Forum: RV-12/RV-12iS 11-17-2021, 11:08 AM
Replies: 8
Views: 1,155
Posted By rvbuilder2002
If you actually have a Skyview system (some seem...

If you actually have a Skyview system (some seem to think you might have the legacy D-180 system) is would be very easy to get access to the nut.

Remove 4 screws to remove the screen.
Remove 4...
Forum: RV-12/RV-12iS 11-17-2021, 12:06 AM
Replies: 4
Views: 1,004
Posted By rvbuilder2002
The reason for the prescribed process, is that...

The reason for the prescribed process, is that the rudder cables have an overall length dimension tolerance and they vary in length slightly.
Properly sizing the links is how that variation is...
Forum: RV-12/RV-12iS 11-16-2021, 09:41 AM
Replies: 4
Views: 653
Posted By rvbuilder2002
Yes. The bent longeron is factory formed from a...

Yes.

The bent longeron is factory formed from a straight piece of angle extrusion. Every batch of material can bend slightly different, so it is not expected to match up perfectly.

That is why the...
Forum: RV General Discussion/News 11-15-2021, 03:48 PM
Replies: 8
Views: 772
Posted By rvbuilder2002
One way would be to measure how much travel your...

One way would be to measure how much travel your particular servo has between fully retracted and fully extended (or use the model # of the servo... the 12 is 1.2 inches of travel).

Then adjust the...
Forum: RV-14 11-15-2021, 03:24 PM
Replies: 2
Views: 779
Posted By rvbuilder2002
Look closer in Section 5. It has all of the...

Look closer in Section 5. It has all of the details.
Forum: RV General Discussion/News 11-15-2021, 02:16 PM
Replies: 8
Views: 772
Posted By rvbuilder2002
You wont necessarily want the rod sized for...

You wont necessarily want the rod sized for neutral with the servo at its mid point since you want about twice as much nose up travel of the tab as you have for nose down travel.
Forum: RV-14 11-15-2021, 11:05 AM
Replies: 15
Views: 2,307
Posted By rvbuilder2002
Our experience is that if Step 7 & 8 are...

Our experience is that if Step 7 & 8 are followed, it produces a good result.

A bubble level can be used instead of a digital level. If the bubble visually appears to be in the same position at...
Forum: RV General Discussion/News 11-14-2021, 06:16 PM
Replies: 16
Views: 5,810
Posted By rvbuilder2002
No, because Order 8130.2J contains the current...

No, because Order 8130.2J contains the current requirements that must be met for certification. (in simple terms... the checklist that a DAR is using when inspecting to determine eligibility for a...
Forum: RV-10 11-13-2021, 02:59 PM
Replies: 17
Views: 2,066
Posted By rvbuilder2002
I agree.... The time savings is quite a bit...

I agree....
The time savings is quite a bit more. Particularly since additional time is also saved by not needing to cleco a structure entirely together twice before actually doing any skin...
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