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Search: Posts Made By: rvbuilder2002
Forum: RV-12 Today, 04:38 PM
Replies: 8
Views: 141
Posted By rvbuilder2002
Van's has been crossing the Rockies (east bound...

Van's has been crossing the Rockies (east bound and west bound) with multiple RV-12's each year going to and from OSH for 10+ years now. I have made the round trip in an RV-12 myself a half dozen or...
Forum: Safety Today, 02:29 PM
Replies: 13
Views: 375
Posted By rvbuilder2002
I think the biggest challenge will be properly...

I think the biggest challenge will be properly sizing the plywood to simulate what load the canopy would actually produce.
Without knowing the real canopy load (not being a flat plate shape like the...
Forum: RV-10 11-18-2018, 10:49 PM
Replies: 15
Views: 981
Posted By rvbuilder2002
http://www.vansaircraft.com/cgi-bin/store.cgi?iden...

http://www.vansaircraft.com/cgi-bin/store.cgi?ident=1542602937-502-750&browse=misc&product=retro-cap
Forum: RV General Discussion/News 11-18-2018, 10:46 PM
Replies: 49
Views: 11,050
Posted By rvbuilder2002
Anyone that has spent a lot of time with NTSB...

Anyone that has spent a lot of time with NTSB reports (I have) will learn a few things......

1. They often contain errors (numerous ones have already been mentioned for the accident being discussed...
Forum: RV-12 11-17-2018, 11:28 PM
Replies: 9
Views: 824
Posted By rvbuilder2002
Henry, Sorry you are still having problems with...

Henry,
Sorry you are still having problems with your RV-12. Problems like this can be very frustrating to resolve.

As mentioned in the note sent with the new PCB the first time, the type of...
Forum: RV-14 11-17-2018, 02:01 PM
Replies: 10
Views: 480
Posted By rvbuilder2002
If there is no sealant, the only correct way to...

If there is no sealant, the only correct way to correct it is to remove the flange and reinstall with sealant.

I think there are some decent quality 3/32 flush blind rivets that could be used in...
Forum: RV-12 11-17-2018, 01:55 PM
Replies: 4
Views: 700
Posted By rvbuilder2002
Greg was the person posting the Avionics kit...

Greg was the person posting the Avionics kit announcement so he would be the best person to confirm, but I believe the prefinished panels will be offered in only one color. The same metallic medium...
Forum: RV General Discussion/News 11-17-2018, 12:33 PM
Replies: 17
Views: 1,972
Posted By rvbuilder2002
The only thing that can ever be said with any...

The only thing that can ever be said with any certainty regarding any accident report is that "there is always more to the story"
Forum: Safety 11-17-2018, 12:29 PM
Replies: 162
Views: 14,550
Posted By rvbuilder2002
Vic, I know you and many others likely spent a...

Vic,
I know you and many others likely spent a lot of personal time on this. Thank you for your efforts.
It is a complicated issue because of so many variable factors.
Hopefully no one on the...
Forum: RV-12 11-16-2018, 11:57 PM
Replies: 18
Views: 1,802
Posted By rvbuilder2002
It is all speculation of course with none of us...

It is all speculation of course with none of us having actually seen the extent of the damage in this case, but I will say that there is probably not an aircraft constructed of aluminum that is any...
Forum: RV General Discussion/News 11-16-2018, 06:57 PM
Replies: 49
Views: 11,050
Posted By rvbuilder2002
Expanded level of detail exists in the documents...

Expanded level of detail exists in the documents available on the NTSB Docket management...
Forum: RV-12 11-15-2018, 11:09 PM
Replies: 6
Views: 339
Posted By rvbuilder2002
And I wasn't meaning to imply that people...

And I wasn't meaning to imply that people shouldn't comply with AD's just because their airplane is experimental. I think it is a good idea to do so.

I was just commenting on the double...
Forum: RV-12 11-15-2018, 09:00 PM
Replies: 6
Views: 339
Posted By rvbuilder2002
It is a complicated world with the FAA..... FAA...

It is a complicated world with the FAA.....

FAA legal has gone on record to say that AD's do not apply to "Experimental" aircraft, but there are different divisions of the FAA that still have...
Forum: RV-12 11-15-2018, 04:04 PM
Replies: 15
Views: 853
Posted By rvbuilder2002
No one has answered this part of your...

No one has answered this part of your question.

No it is not possible. Even SLAS's have operating limitations.

Perhaps he lost them.
Forum: RV-12 11-15-2018, 09:26 AM
Replies: 18
Views: 1,802
Posted By rvbuilder2002
Metal Innovations at Aurora airport has done...

Metal Innovations at Aurora airport has done damage repairs on an RV-12 in the past.
Forum: RV-14 11-12-2018, 08:40 PM
Replies: 2
Views: 325
Posted By rvbuilder2002
I don't know if it is related to your issue or...

I don't know if it is related to your issue or not....

It is fairly common for the fuel senders to have enough friction that they will not change to the correct level when the airplane is static...
Forum: Safety 11-10-2018, 12:19 PM
Replies: 4
Views: 624
Posted By rvbuilder2002
I agree that it is not the primary purpose but it...

I agree that it is not the primary purpose but it does help a lot.

The belt system performance while flying through moderate to heavy turbulence between crotch belt on (and properly adjusted) and...
Forum: RV General Discussion/News 11-10-2018, 11:38 AM
Replies: 4
Views: 345
Posted By rvbuilder2002
It is not a requirement that they do, but they...

It is not a requirement that they do, but they will have to be with the kit supplied hardware unless you fit spacer washers.

If the clevis is being compressed together when fully torquing the bolt...
Forum: RV General Discussion/News 11-09-2018, 11:28 PM
Replies: 3
Views: 461
Posted By rvbuilder2002
And RV-8 as well.

And RV-8 as well.
Forum: RV-10 11-08-2018, 04:24 PM
Replies: 21
Views: 892
Posted By rvbuilder2002
Mike, I didn't say the design mitigated all...

Mike,
I didn't say the design mitigated all possible failure modes, and I didn't mean that it is the only way it should be done.
They are experimental airplanes after all... do what every you think...
Forum: RV-10 11-08-2018, 02:04 PM
Replies: 21
Views: 892
Posted By rvbuilder2002
Correction.....

The middle latch was designed to be a passive back-up in case the door isn't correctly latched.

It doesn't ensure complete closure of the door.

As far as it not preventing at least one door...
Forum: RV-10 11-08-2018, 12:04 PM
Replies: 21
Views: 892
Posted By rvbuilder2002
As has been mentioned in the past, the system was...

As has been mentioned in the past, the system was specifically designed the way it is, to help mitigate a false safe indication caused by a variety of failure types within the system (broken wire,...
Forum: RV General Discussion/News 11-08-2018, 11:56 AM
Replies: 9
Views: 627
Posted By rvbuilder2002
More specifically.... As long as there is no...

More specifically.... As long as there is no compensation to you for use of the airplane, there is no problem in doing what you want to do. Specific limitations are spelled out in the operating...
Forum: RV-12 11-07-2018, 01:43 PM
Replies: 5
Views: 414
Posted By rvbuilder2002
All of the iS fuselage builds I have been...

All of the iS fuselage builds I have been involved with; this was done standing beside the fuselage from the outside. You are final drilling existing holes to proper size..... it takes very little...
Forum: RV-9/9A 11-06-2018, 10:45 PM
Replies: 10
Views: 1,261
Posted By rvbuilder2002
The stall induced buffet felt in the stick and...

The stall induced buffet felt in the stick and airframe is generally caused by the disturbed flow rolling off the wing and striking the tail.

That is why it can be different between different...
Forum: RV-14 11-06-2018, 10:35 PM
Replies: 18
Views: 1,006
Posted By rvbuilder2002
The RV-14 is a bit bigger than the RV-7. The...

The RV-14 is a bit bigger than the RV-7. The height difference to climb onto the wing is quite noticeable.
Forum: RV General Discussion/News 11-06-2018, 01:40 PM
Replies: 13
Views: 1,401
Posted By rvbuilder2002
The torque value for a given fastener size being...

The torque value for a given fastener size being specified as a range vs a single value does a good job of accounting for that.

Add the prevailing torque value, to the value at the center of the...
Forum: RV-14 11-06-2018, 12:09 PM
Replies: 40
Views: 5,446
Posted By rvbuilder2002
The part that currently comes in the kit. The...

The part that currently comes in the kit.

The other part that was mentioned, is something sold by an aftermarket supplier.
Forum: RV-9/9A 11-06-2018, 12:05 PM
Replies: 10
Views: 1,261
Posted By rvbuilder2002
If you deeply stall an RV-9 (easy to do because...

If you deeply stall an RV-9 (easy to do because it is very docile... depending on C.G. position) you can ride the stall down hill with the stick full back with the nose bobing up and down as the wing...
Forum: RV-12 11-06-2018, 11:56 AM
Replies: 13
Views: 2,698
Posted By rvbuilder2002
Make sure it is not a problem related to the...

Make sure it is not a problem related to the grounding of the box itself.
It is supposed to have a good ground to the airframe (I think internal tooth lock washers are used on the mounting screws to...
Forum: RV-12 11-05-2018, 12:46 PM
Replies: 27
Views: 4,331
Posted By rvbuilder2002
That can only be done by a forum administrator....

That can only be done by a forum administrator. Van's employees do not have admin. rights so have have no way to close a thread.



As has been mentioned numerous times here in this forum, the...
Forum: RV-14 11-05-2018, 12:21 PM
Replies: 20
Views: 2,020
Posted By rvbuilder2002
The RV-14 standard install is different from the...

The RV-14 standard install is different from the RV-9 in that it uses full sized pins in the hinge and the hinge break is much closer to the upper center of the cowl. The RV-14 cowl does not balloon...
Forum: RV-14 11-05-2018, 12:12 PM
Replies: 20
Views: 2,175
Posted By rvbuilder2002
As has been mentioned already..... the cautions...

As has been mentioned already..... the cautions about torsional vibration are far more than lawyer speak.
It is very real. If tests haven't been done on a specific configuration, then everyone...
Forum: RV-12 11-04-2018, 02:14 PM
Replies: 27
Views: 4,331
Posted By rvbuilder2002
Most digital levels have a calibration...

Most digital levels have a calibration function.
If your bubble turns out to be accurate but the digital value is not, perhaps you accidentally recalibrated when it wasn’t actually level.
Forum: RV-14 11-02-2018, 09:20 PM
Replies: 20
Views: 2,175
Posted By rvbuilder2002
Hartzell has done testing of electronic ignition...

Hartzell has done testing of electronic ignition in the past (it was done in a partnership at Van's) and and the test results surprised everyone. The results proved that ignition timing advanced...
Forum: RV General Discussion/News 11-01-2018, 12:27 PM
Replies: 13
Views: 1,401
Posted By rvbuilder2002
To avoid confusion when discussing details, it is...

To avoid confusion when discussing details, it is always helpful to use the official nomenclature.
The measurable torque that exists while turning a fasten prior to a fastener bottoming out and...
Forum: RV-14 10-31-2018, 11:51 AM
Replies: 5
Views: 653
Posted By rvbuilder2002
RV-14 transition training is available with Mike...

RV-14 transition training is available with Mike Seager in Oregon using the factory prototype (N144VA).
Forum: RV-14 10-29-2018, 11:17 AM
Replies: 18
Views: 1,087
Posted By rvbuilder2002
This phenomenon exists to some degree on all of...

This phenomenon exists to some degree on all of the side by side RV's, but it is more noticeable on the 10 and 14 because the push/pull tube connected to the base of the stick is much shorter than it...
Forum: RV-14 10-29-2018, 10:13 AM
Replies: 18
Views: 1,087
Posted By rvbuilder2002
It is hopefully obvious by now, that experience...

It is hopefully obvious by now, that experience with one model of RV doesn't necessarily translate to giving detailed build advice about all other models....
but don't feel bad, I see this a lot in...
Forum: RV-6/6A 10-26-2018, 02:03 PM
Replies: 3
Views: 417
Posted By rvbuilder2002
Yes, but the process required will depend on the...

Yes, but the process required will depend on the vintage of the kit......

When the sliding canopy was first introduced for the RV-6A there was an optional windshield available that had a more...
Forum: RV General Discussion/News 10-26-2018, 01:42 PM
Replies: 8
Views: 1,784
Posted By rvbuilder2002
The limiting factor to the published gross weight...

The limiting factor to the published gross weight is the entire airplane.

A proper design process uses the design gross weight in designing everything... airplanes aren't designed and then tested,...
Forum: RV-14 10-25-2018, 04:24 PM
Replies: 50
Views: 5,687
Posted By rvbuilder2002
More than a couple even.... But once again for...

More than a couple even.... But once again for posterity..... The cracks addressed by this S.B. are not related to oil canning. That was an entirely separate discussion. Hopefully anyone...
Forum: RV-12 10-25-2018, 02:01 PM
Replies: 7
Views: 1,024
Posted By rvbuilder2002
The Skyview read-me file available on THIS...

The Skyview read-me file available on THIS (http://www.vansaircraft.com/public/downloads.htm) page of Van's web site is pretty comprehensive and should have had everything you needed to get through...
Forum: RV-10 10-25-2018, 12:08 PM
Replies: 1
Views: 418
Posted By rvbuilder2002
Two part answer - 1 - The cause that results in...

Two part answer -

1 -
The cause that results in this type of S.B. being issued is discovered by time in service, not in a CAD program on a computer. There are hundreds of RV-10's with large amounts...
Forum: RV General Discussion/News 10-24-2018, 09:47 PM
Replies: 4
Views: 415
Posted By rvbuilder2002
Exactly There are a lot of sub par builds that...

Exactly

There are a lot of sub par builds that have changed hands with the original builder feeling confident that their work was at the very least average and possibly better than......

Since you...
Forum: RV-10 10-24-2018, 01:51 PM
Replies: 24
Views: 1,410
Posted By rvbuilder2002
I don't think so. Same molds are being used for...

I don't think so.

Same molds are being used for the gel coated parts, as were previously being used for the non-gel coated parts
Forum: RV-14 10-24-2018, 11:51 AM
Replies: 4
Views: 453
Posted By rvbuilder2002
Actually, Back riveting wing or fuselage skins is...

Actually, Back riveting wing or fuselage skins is best done in tandem with a helper.

It can improve finish quality but doing it solo would have a high risk of reducing finish quality.
Forum: RV-12 10-23-2018, 10:28 AM
Replies: 13
Views: 4,013
Posted By rvbuilder2002
Having already built a couple of RV-12iS's...

Having already built a couple of RV-12iS's myself, I am aware of the benefit of having the fuel pumps early, but the fuel pumps are an accessory that ships in the engine crate from Rotax.
There would...
Forum: RV-12 10-21-2018, 08:29 PM
Replies: 13
Views: 4,013
Posted By rvbuilder2002
Yes it is..... I can't help but smile when...

Yes it is.....

I can't help but smile when thinking back to all of the comments from when people were questioning why "Van's" was resisting doing the engineering and modifications to revise the...
Forum: RV-14 10-19-2018, 04:18 PM
Replies: 14
Views: 1,730
Posted By rvbuilder2002
Many years ago when the induction "snorkle" was...

Many years ago when the induction "snorkle" was developed for use of the fwd induction engines on RV's, a lot of testing was done to assure the best pressure recovery performance possible, and the...
Forum: RV-14 10-19-2018, 04:15 PM
Replies: 14
Views: 1,730
Posted By rvbuilder2002
During the development of the RV-14 FWF kit I had...

During the development of the RV-14 FWF kit I had a personal phone conversation with the head engineer at Plane Power.
He said they had done testing of numerous airplanes to measure the max. under...
Forum: RV-12 10-17-2018, 03:08 PM
Replies: 11
Views: 1,348
Posted By rvbuilder2002
I agree The rivets labeled good, are not...

I agree

The rivets labeled good, are not good.
Either the tool that is being used, or the technique being used is suspect.
Forum: RV-14 10-15-2018, 01:49 PM
Replies: 12
Views: 1,916
Posted By rvbuilder2002
Is that one of the foam ribs visible inside? If...

Is that one of the foam ribs visible inside?

If so, it doesn't look like it is entirely bonded to the skin and it looks like it is a bit too tall, causing the skins to be spread apart. The aft end...
Forum: RV General Discussion/News 10-14-2018, 08:08 PM
Replies: 15
Views: 1,266
Posted By rvbuilder2002
You mean the manual I help write??????????? ...

You mean the manual I help write??????????? :rolleyes:

I agree that the prevailing torque of an AN365 10-32 nut is not very high and wont have a very large influence, but the OP's question was...
Forum: RV General Discussion/News 10-14-2018, 05:59 PM
Replies: 15
Views: 1,266
Posted By rvbuilder2002
You do if it is influencing the value measured by...

You do if it is influencing the value measured by a torque wrench.

The torque value in most charts referenced by RV builders is for a plain nut. If a self locking nut (or nutplate) is being used...
Forum: RV General Discussion/News 10-14-2018, 02:40 PM
Replies: 15
Views: 1,266
Posted By rvbuilder2002
The most accurate way is to purchase a dial style...

The most accurate way is to purchase a dial style torque wrench but the following is close enough....

Incrementally adjust your torque wrench to find the torque value where your torque wrench just...
Forum: RV-12 10-14-2018, 02:35 PM
Replies: 11
Views: 1,731
Posted By rvbuilder2002
Is there no more than .1 degree measured...

Is there no more than .1 degree measured difference between the pitch angle of the two blades?

Pitch difference will cause vibration.

I have never seen the indexing barrel of adjustment pins (newer...
Forum: RV General Discussion/News 10-14-2018, 09:59 AM
Replies: 6
Views: 726
Posted By rvbuilder2002
Nordlock washers are used on the RV-12 prop...

Nordlock washers are used on the RV-12 prop bolts.

I have not yet had a situation where I had to replace any.
Forum: RV-12 10-11-2018, 06:32 PM
Replies: 13
Views: 2,070
Posted By rvbuilder2002
Airplanes are designed to meet many requirements...

Airplanes are designed to meet many requirements that are influenced by speed.

One of them is flutter, but there are numerous others.

One important one is design considerations for gust...
Forum: RV General Discussion/News 10-08-2018, 09:57 PM
Replies: 13
Views: 931
Posted By rvbuilder2002
Search the forum archives for many discussions of...

Search the forum archives for many discussions of this symptom.
In a nut shell, tank sealant will break down and turn to goo with extended exposure to evaporating fuel caused by a leak.
You likely...
Forum: RV-12 10-08-2018, 04:10 PM
Replies: 16
Views: 1,776
Posted By rvbuilder2002
Correct My comment was in the context of a dusty...

Correct

My comment was in the context of a dusty environment from using a scotchbrite wheel for deburring (the topic of this discussion)

Protection from paint is a totally different discussion and...
Forum: RV-4 10-08-2018, 11:49 AM
Replies: 9
Views: 965
Posted By rvbuilder2002
Looks like you have the older (pre 2000 or so???)...

Looks like you have the older (pre 2000 or so???) version of the baffle kit.
The latest version has a wrap / curve in the inboard (steel barrel portion) of the left side so that the upper portion...
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