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Search: Posts Made By: rvbuilder2002
Forum: RV General Discussion/News Yesterday, 11:36 AM
Replies: 4
Views: 388
Posted By rvbuilder2002
Speaking as the guy that managed the very first...

Speaking as the guy that managed the very first Youth RV-12 build http://teenflight.blogspot.com/2009/

My opinion is that a youth build team built RV-12 should be every bit as good as one built by a...
Forum: RV General Discussion/News 10-19-2021, 10:47 AM
Replies: 33
Views: 2,388
Posted By rvbuilder2002
How much is "no significant leak down"? (what is...

How much is "no significant leak down"? (what is the leakage rate)

It is hard to tell from your photos with nothing to judge scale by, but it looks like the static ports are a shape / size different...
Forum: RV Building Tips/Techniques 10-18-2021, 09:42 AM
Replies: 43
Views: 3,380
Posted By rvbuilder2002
Yes, I have some thoughts and comments but I have...

Yes, I have some thoughts and comments but I have not posted any of them to avoid joining into a blame game....

As was mentioned at the beginning of the video, it is a representation of how I have...
Forum: RV-12/RV-12iS 10-16-2021, 10:44 PM
Replies: 4
Views: 398
Posted By rvbuilder2002
I agree I have already submitted the change...

I agree
I have already submitted the change request.
Forum: RV Building Tips/Techniques 10-16-2021, 09:03 AM
Replies: 43
Views: 3,380
Posted By rvbuilder2002
The specific gravity of water is higher than it...

The specific gravity of water is higher than it is for 100LL so it is still possible to have a fuel leak, even if no water leaked out.
Forum: RV-12/RV-12iS 10-16-2021, 08:33 AM
Replies: 22
Views: 4,260
Posted By rvbuilder2002
Not needed for RV-12iS because that same infor is...

Not needed for RV-12iS because that same infor is displayed on the EMS portion of the screen beside the tach indication.
Forum: RV-12/RV-12iS 10-15-2021, 06:21 PM
Replies: 11
Views: 1,485
Posted By rvbuilder2002
This is what happens when accelerated evaporation...

This is what happens when accelerated evaporation happens.

Some of the petroleum components in the fuel are more volatile than others.
Add some airflow to carry away the vapors and you end up with...
Forum: RV-14 10-15-2021, 04:19 PM
Replies: 5
Views: 354
Posted By rvbuilder2002
The reason modifications are required if the stop...

The reason modifications are required if the stop is installed, is because we don't specify that it be used.

It is of no benefit with our type of servo installation because there is really no way...
Forum: RV-14 10-15-2021, 03:10 PM
Replies: 5
Views: 447
Posted By rvbuilder2002
That hose is an engine part and is usually...

That hose is an engine part and is usually supplied by the engine builder / manufacturer
Forum: RV-12/RV-12iS 10-15-2021, 08:49 AM
Replies: 4
Views: 398
Posted By rvbuilder2002
The electrical system diagram that can be...

The electrical system diagram that can be downloaded from the web site shows the two wires going to pin 6 & 7 of the Switch Module d-sub on the...
Forum: RV-12/RV-12iS 10-15-2021, 08:42 AM
Replies: 22
Views: 1,760
Posted By rvbuilder2002
RV-12iS Maintenance Manual, Page 1-17

RV-12iS Maintenance Manual, Page 1-17
Forum: RV-12/RV-12iS 10-14-2021, 08:15 AM
Replies: 13
Views: 1,155
Posted By rvbuilder2002
I am pretty sure the profile of the part got...

I am pretty sure the profile of the part got redesigned but the part # was left the same.
Forum: Safety 10-12-2021, 09:27 AM
Replies: 21
Views: 1,516
Posted By rvbuilder2002
As mentioned in the SB document, an un-modified...

As mentioned in the SB document, an un-modified assembly was found to meet the load requirements dictated by FAR 23, but that since failures had occurred, it was re-enforced anyway.

I remember that...
Forum: Safety 10-12-2021, 09:22 AM
Replies: 21
Views: 1,516
Posted By rvbuilder2002
On a side by side RV equipped with pedals that...

On a side by side RV equipped with pedals that have had the gussets properly installed, damage occurring from overload is unlikely, but the "tell tail" would be the discovery of it early while...
Forum: Safety 10-11-2021, 03:30 PM
Replies: 21
Views: 1,516
Posted By rvbuilder2002
The few instances of failure that I am familiar...

The few instances of failure that I am familiar with all had a noticeable indication of a compression buckling failure as the start of the failure sequence, which then progressed to cracking along...
Forum: RV-12/RV-12iS 10-11-2021, 01:05 PM
Replies: 13
Views: 1,155
Posted By rvbuilder2002
In case anyone else ever wants to alleviate the...

In case anyone else ever wants to alleviate the possibility of getting pinched, the button part was redesigned many years ago to do away with the gap that causes the pinch point and it it very...
Forum: Safety 10-11-2021, 10:45 AM
Replies: 21
Views: 1,516
Posted By rvbuilder2002
A few comments......

I was at Van's for the static testing of rudder pedal assemblies that we did after we first became aware of a weldment failure, and when this SB was issued.

An SB issued by a kit manufacturer has no...
Forum: RV General Discussion/News 10-10-2021, 03:36 PM
Replies: 3
Views: 180
Posted By rvbuilder2002
We don’t have anything and a straight strip of...

We don’t have anything and a straight strip of metal wouldn’t work.
Your best solution would be to mold a Fiberglass targa strip in place.
Forum: RV General Discussion/News 10-10-2021, 03:32 PM
Replies: 37
Views: 11,198
Posted By rvbuilder2002
If you’re talking about the same airplane I think...

If you’re talking about the same airplane I think you are, it was back here in Oregon for a few years at one point and I looked it over with Van at one of our home coming fly-ins.
He explained that...
Forum: RV-14 10-08-2021, 04:36 PM
Replies: 10
Views: 631
Posted By rvbuilder2002
I don't know. Incorrect overall length wont have...

I don't know.
Incorrect overall length wont have any effect on the fit between the bracket and the mixture arm on the servo though... this will be close to the same for all cable lengths.

One thing...
Forum: RV-14 10-08-2021, 03:23 PM
Replies: 10
Views: 631
Posted By rvbuilder2002
What Dan said. There should always be a cushion...

What Dan said.
There should always be a cushion gap (I use about 3/32" as a minimum to account for potential slop cause be wear over time) on controls so that you can visually confirm the the stop at...
Forum: RV-10 10-08-2021, 08:50 AM
Replies: 4
Views: 446
Posted By rvbuilder2002
Like every other aspect of the RV-10 design (and...

Like every other aspect of the RV-10 design (and the other models for that matter), only actual time in service can fully answer that question.

The foam used is basically the same as what is used as...
Forum: RV-10 10-07-2021, 03:39 PM
Replies: 4
Views: 446
Posted By rvbuilder2002
Engineering decisions are often more complicated...

Engineering decisions are often more complicated than they look (especially through the eyes of a non engineer).

The fuel tank sealant was chosen for a number of different reasons.

Just a couple...
Forum: RV-12/RV-12iS 10-07-2021, 10:28 AM
Replies: 4
Views: 905
Posted By rvbuilder2002
Correct. Turn on nav. lights only (no strobes),...

Correct.

Turn on nav. lights only (no strobes), at night and stand behind the airplane. You should see a white light on the back of each wing tip. The regulation doesn't require it to be a single...
Forum: RV-14 10-06-2021, 11:09 AM
Replies: 7
Views: 763
Posted By rvbuilder2002
Neither do I, but in the spirit of home building...

Neither do I, but in the spirit of home building I often assume that people reason through a way to do something, without making a suggestion of my own.

In instances like this, I do as you have...
Forum: RV-12/RV-12iS 10-06-2021, 10:23 AM
Replies: 18
Views: 1,537
Posted By rvbuilder2002
Not necessarily unusual depending on the...

Not necessarily unusual depending on the configuration of the pitch trim switch.

In instances where the switch is panel mounted, it could be either way depending on a persons preference / logical...
Forum: RV-12/RV-12iS 10-06-2021, 10:17 AM
Replies: 18
Views: 1,537
Posted By rvbuilder2002
Or in another way to look at it... the tab...

Or in another way to look at it... the tab (regardless of whether it is on a traditional elevator or a stabilator) should always move in the opposite direction of the trimming function.

Trim switch...
Forum: RV Building Tips/Techniques 10-04-2021, 08:49 AM
Replies: 43
Views: 3,380
Posted By rvbuilder2002
Actually we recommend them under screw heads so...

Actually we recommend them under screw heads so that there is good conduction between the screw head and the plate when sealant is under the screw head.

On the RV-12 we now use a screw mounted spade...
Forum: RV-12/RV-12iS 10-04-2021, 08:42 AM
Replies: 30
Views: 4,091
Posted By rvbuilder2002
Follow up - I was away on vacation so didn't get...

Follow up -

I was away on vacation so didn't get involved in the discussion much.....

I will add my opinion that I doubt that one engine start over speed event did any damage that would cause it to...
Forum: RV-12/RV-12iS 10-04-2021, 08:38 AM
Replies: 6
Views: 896
Posted By rvbuilder2002
Depends on what your regulating authority will...

Depends on what your regulating authority will allow since it is not detailed in the build plans.

If you do do it, keep in mind that the stabilator is a balanced control surface.
Adding weight to it...
Forum: Tools 10-04-2021, 08:32 AM
Replies: 13
Views: 1,146
Posted By rvbuilder2002
Correct Aluminum is a soft enough metal that it...

Correct

Aluminum is a soft enough metal that it can be worked with most any tool that would be used on wood.

We cut 1 inch thick 6061 and 7075 aluminum plate using carbide toothed blades on a table...
Forum: RV-14 10-04-2021, 08:29 AM
Replies: 7
Views: 763
Posted By rvbuilder2002
Because of the design shape of the RV-14 (and 10)...

Because of the design shape of the RV-14 (and 10) airfoil, the ailerons are top loaded in high speed cruise flight so they can droop just a bit because of the slight elasticity in the control...
Forum: Painting your RV 10-03-2021, 11:57 AM
Replies: 6
Views: 481
Posted By rvbuilder2002
I would recommend at least a light (doesn’t need...

I would recommend at least a light (doesn’t need to fully cover) spray coat of a compatible primer for the paint being used when covering over any fully cured substrate coating including P60G2
Forum: RV Ongoing Maintenance Issues 09-29-2021, 03:35 PM
Replies: 22
Views: 2,643
Posted By rvbuilder2002
And adding to that, I echo what others have...

And adding to that, I echo what others have said…
The simplest repair will be to reskin your elevator (assuming good technique for disassembly is used)
As already mentioned, the likelihood of you...
Forum: RV General Discussion/News 09-29-2021, 08:12 AM
Replies: 44
Views: 20,642
Posted By rvbuilder2002
True, but an additional shame is that people...

True, but an additional shame is that people installing something as critical as spar bolts on an airplane go to an on line forum and trust random strangers for critical info rather than look it up...
Forum: RV-12/RV-12iS 09-29-2021, 07:56 AM
Replies: 30
Views: 4,091
Posted By rvbuilder2002
Actually there’s not. At least not enough to push...

Actually there’s not. At least not enough to push all of it back to the tank. A very common cause of people overfilling the oil tank is when checking the oil when it’s cold, particularly when it’s...
Forum: RV-12/RV-12iS 09-28-2021, 10:23 PM
Replies: 30
Views: 4,091
Posted By rvbuilder2002
I edited my initial post with additional info...

I edited my initial post with additional info above that I had forgotten to add initially. This is the most important reason for the limitation.
Forum: RV-12/RV-12iS 09-28-2021, 05:53 PM
Replies: 30
Views: 4,091
Posted By rvbuilder2002
Everyone has their own opinion based on logic....

Everyone has their own opinion based on logic. But the reason already given is the engineering reason given by Rotax for why the limitation exists. Whether it’s collapse of a hose or in ability to...
Forum: Primers 09-27-2021, 01:04 PM
Replies: 6
Views: 446
Posted By rvbuilder2002
I have never seen it in anything other than...

I have never seen it in anything other than gallons. Any Sherwin Williams industrial / automotive supply store should have it or be able to get it for you. The general Sherwin Williams consumer paint...
Forum: RV-12/RV-12iS 09-27-2021, 10:29 AM
Replies: 8
Views: 1,318
Posted By rvbuilder2002
The factory standard spark plug and plug boot on...

The factory standard spark plug and plug boot on the 912 has always been the versions that uses the threaded stud.

There is a pull off test prescribed in the inspection checklist for each hundred...
Forum: RV Building Tips/Techniques 09-25-2021, 10:26 AM
Replies: 2
Views: 322
Posted By rvbuilder2002
I think the wedge is detailed in section 5 of the...

I think the wedge is detailed in section 5 of the construction manual where there’s lots of other good information as well;)
The tool you mentioned from Cleveland tools will also work if you don’t...
Forum: RV-12/RV-12iS 09-19-2021, 04:18 PM
Replies: 14
Views: 1,737
Posted By rvbuilder2002
On G3X engine time is the same as the traditional...

On G3X engine time is the same as the traditional aircraft tach time.
Rotax specifically states that all engine inspection and maintenance is to be done based on Hobbs time.
Forum: RV-12/RV-12iS 09-17-2021, 06:52 PM
Replies: 26
Views: 3,279
Posted By rvbuilder2002
If you are absolutely positively sure that no...

If you are absolutely positively sure that no sealant made its way to the tapered mating surface that the flared tube seals against, on any of the connects completed this way, then there probably is...
Forum: RV Building Tips/Techniques 09-17-2021, 08:27 AM
Replies: 20
Views: 1,748
Posted By rvbuilder2002
Clarification Awls are typically tapered. So...

Clarification
Awls are typically tapered. So unless you use a tool with a point that transitions to a constant diameter that matches the original hole diameter, we would not recommend this type of...
Forum: RV General Discussion/News 09-16-2021, 03:26 PM
Replies: 8
Views: 547
Posted By rvbuilder2002
It is no big deal. Our bearing greasing tool...

It is no big deal. Our bearing greasing tool works just fine on them.
Forum: RV-12/RV-12iS 09-16-2021, 09:19 AM
Replies: 26
Views: 3,279
Posted By rvbuilder2002
I agree that the Dell seals are a good option...

I agree that the Dell seals are a good option when a good seal can't be made with the standard connection.
Generally, the tubing we use on RV's is soft enough though, that if the flaring is made...
Forum: RV-12/RV-12iS 09-16-2021, 08:20 AM
Replies: 26
Views: 3,279
Posted By rvbuilder2002
I don't see that anyone has Tom, unless you...

I don't see that anyone has Tom, unless you happen to know that the OP has lines made by you......
Forum: RV-12/RV-12iS 09-16-2021, 07:04 AM
Replies: 26
Views: 3,279
Posted By rvbuilder2002
He didn’t, but if you zoom in on the photo you an...

He didn’t, but if you zoom in on the photo you an clearly see what looks to be Permatex #2 under the B nuts.
Forum: RV-12/RV-12iS 09-15-2021, 08:42 PM
Replies: 26
Views: 3,279
Posted By rvbuilder2002
Good catch…. I agree ( I didn’t zoom in on the...

Good catch…. I agree ( I didn’t zoom in on the photo when I first looked). It is likely the cause of your numerous leaks

A good guide for a proper flare is that the flare outer diameter should...
Forum: RV General Discussion/News 09-15-2021, 08:35 PM
Replies: 1
Views: 261
Posted By rvbuilder2002
Yes, it is.

Yes, it is.
Forum: RV-14 09-15-2021, 05:59 PM
Replies: 7
Views: 1,032
Posted By rvbuilder2002
The provided answer is correct. It may not match...

The provided answer is correct. It may not match the common definition for the word typical in the English language, but in the context of RV plans it is a way of describing that similar/like items...
Forum: RV-12/RV-12iS 09-15-2021, 05:49 PM
Replies: 26
Views: 3,279
Posted By rvbuilder2002
He’s correct. Sealant should only be applied to...

He’s correct. Sealant should only be applied to the NPT portion of fittings and nothing on the side that gets a B nut for aluminum line or hose end.
Forum: RV General Discussion/News 09-15-2021, 05:43 PM
Replies: 8
Views: 547
Posted By rvbuilder2002
Because the final sizing is done before heat...

Because the final sizing is done before heat treating and with the tight tolerance involved in having a good fit for the bearing, occasionally tolerances between the bearing and the axle interfere....
Forum: Propellers 09-15-2021, 10:53 AM
Replies: 35
Views: 2,329
Posted By rvbuilder2002
The Hartzel manual has a procedure for confirming...

The Hartzel manual has a procedure for confirming that the low pitch stop is set correctly, but it only needs to be adjusted if that check shows that it is not within spec (This should be checked on...
Forum: RV-12/RV-12iS 09-15-2021, 09:51 AM
Replies: 6
Views: 769
Posted By rvbuilder2002
Hi Jim, We would like to get more information...

Hi Jim,
We would like to get more information regarding this.

Could you please file a report using the method described on page 17-1 of the Maintenance Manual (I have attached a copy below for your...
Forum: RV General Discussion/News 09-15-2021, 09:41 AM
Replies: 4
Views: 810
Posted By rvbuilder2002
Web store is back on line.

Web store is back on line.
Forum: RV-12/RV-12iS 09-13-2021, 08:37 PM
Replies: 2
Views: 528
Posted By rvbuilder2002
What you discovered is an option to make this...

What you discovered is an option to make this configuration in flight selectable. There are dip switches on the circuit board inside the intercom that permanently select these functions. This diagram...
Forum: RV-12/RV-12iS 09-13-2021, 08:32 PM
Replies: 4
Views: 652
Posted By rvbuilder2002
There are a number of options that can either be...

There are a number of options that can either be installed or not installed and still have an RV-12 qualify as E-LSA. That is why they are classified as options so that someone can choose whether to...
Forum: RV General Discussion/News 09-10-2021, 10:46 AM
Replies: 8
Views: 624
Posted By rvbuilder2002
I agree with all the above The two things that...

I agree with all the above

The two things that are often overlooked, that can improve pin insertion a lot are pre-shaping the pin so that is closely matches the curve of the hinge, and grinding an...
Forum: RV-12/RV-12iS 09-08-2021, 10:36 PM
Replies: 23
Views: 3,310
Posted By rvbuilder2002
It is unclear to me why are you so often need to...

It is unclear to me why are you so often need to pick apart what others are doing. This is an entirely legit airplane that was professionally modified by a professional aviation business. They have...
Forum: RV General Discussion/News 09-07-2021, 03:25 PM
Replies: 9
Views: 910
Posted By rvbuilder2002
Possible clarification

Since he said he was building an RV-12iS, if he decides that it will be certified as an E-LSA, I think he will have to use the serial # that is specified by Van's (along with make, model, and...
Forum: RV-12/RV-12iS 09-06-2021, 11:23 PM
Replies: 23
Views: 3,310
Posted By rvbuilder2002
The airplane being discussed wasn’t really a...

The airplane being discussed wasn’t really a conversion of a legacy RV 12 in the sense that some may be thinking.
It was done by using the original wings, empennage and tail cone, and other common...
Forum: RV-14 09-05-2021, 07:25 PM
Replies: 3
Views: 513
Posted By rvbuilder2002
This is correct. It is done when the emp. fairing...

This is correct.
It is done when the emp. fairing gets fitted.
Forum: RV-12/RV-12iS 09-05-2021, 12:14 PM
Replies: 8
Views: 853
Posted By rvbuilder2002
I may be wrong but I am pretty sure that the...

I may be wrong but I am pretty sure that the settings file for the D-180 set voltage warning limits that would have been giving you an over voltage warning if the voltage went above 14.5
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