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Search: Posts Made By: rvbuilder2002
Forum: RV Ongoing Maintenance Issues Today, 12:52 PM
Replies: 10
Views: 485
Posted By rvbuilder2002
My 2 cents.... Riveted airplane structures with...

My 2 cents....

Riveted airplane structures with damage are repaired all the time.

The key is in how (at what skill level) the repair is done.

Example-
The phrase "drill out rivets" should not be...
Forum: RV-10 05-23-2022, 09:09 PM
Replies: 3
Views: 429
Posted By rvbuilder2002
Looks like he has been running an excessively...

Looks like he has been running an excessively aged air filter based on where the rub/wear mark is located in the bottom of the air box (well aft of the oval opening ion the metal top of the air...
Forum: RV-14 05-20-2022, 11:00 AM
Replies: 15
Views: 912
Posted By rvbuilder2002
Wings use #8 for all areas except for the fwd...

Wings use #8 for all areas except for the fwd edge of access covers.
Forum: RV-6/6A 05-20-2022, 08:52 AM
Replies: 17
Views: 1,020
Posted By rvbuilder2002
If the rudder has a counter balance arm and...

If the rudder has a counter balance arm and counter weight like each of the elevators do, then it would be an RV-8 rudder.
Forum: RV-6/6A 05-20-2022, 08:24 AM
Replies: 17
Views: 1,020
Posted By rvbuilder2002
^^^^^^^^^^ This is not correct. The only reason...

^^^^^^^^^^

This is not correct.

The only reason the RV-6 emp. kits began to be shipped with the RV-8 vertical stab. and rudder some time in the late 1990's was for parts commonality (fewer...
Forum: RV-14 05-20-2022, 08:17 AM
Replies: 15
Views: 912
Posted By rvbuilder2002
You are correct that the .007 rule of thumb...

You are correct that the .007 rule of thumb doesn't apply to countersinks for screw dimples but the principle for why there is a specific limit and not a statement of "cut until the dimpled skin lays...
Forum: RV-14 05-19-2022, 11:37 PM
Replies: 15
Views: 912
Posted By rvbuilder2002
??? Not what we recommend in any of our...

???

Not what we recommend in any of our construction manuals other than specific cases for CS4-4 blind rivets on the RV-12, but in those instances the dimple is also 120 deg.
Forum: RV-14 05-19-2022, 11:32 PM
Replies: 15
Views: 912
Posted By rvbuilder2002
Lots of info and the photos you mentioned...

Lots of info and the photos you mentioned here


https://vansairforce.net/community/showthread.php?t=159343

It is a sticky thread at the top of the builder tips section.
Forum: RV-12/RV-12iS 05-19-2022, 12:51 PM
Replies: 13
Views: 763
Posted By rvbuilder2002
I agree, but don't bother with wasting money on a...

I agree, but don't bother with wasting money on a dynamic balance unless you are sure that the angle of your blades are within the recommended tolerance. A very slight mis-match can have a large...
Forum: RV Ongoing Maintenance Issues 05-17-2022, 03:14 PM
Replies: 14
Views: 702
Posted By rvbuilder2002
May sound like a silly question but I have seen...

May sound like a silly question but I have seen it before..... it's not visible in the photos.... is there a fwd. bulkhead on the front of the prop hub dome?
Forum: RV Ongoing Maintenance Issues 05-15-2022, 01:51 PM
Replies: 7
Views: 339
Posted By rvbuilder2002
This is an RV forum after all, and there are no...

This is an RV forum after all, and there are no retract gear RV's (at least not factory designed... so the issues related to those are up to the builder).

The movement of landing gear on any RV when...
Forum: RV Ongoing Maintenance Issues 05-14-2022, 10:25 PM
Replies: 7
Views: 339
Posted By rvbuilder2002
Weight and balance is calculated by using the...

Weight and balance is calculated by using the known weight values obtained with it on scales factored against the arm positions when it’s sitting on those scales when you get those weights. What the...
Forum: RV-14 05-14-2022, 10:04 AM
Replies: 9
Views: 1,041
Posted By rvbuilder2002
This thread should be sticky-ed with a new...

This thread should be sticky-ed with a new title.... Are bigger engines less fuel efficient?
As the above reports show, if when comparing RV's with smaller engines to those with larger engines, ...
Forum: RV-10 05-13-2022, 10:44 AM
Replies: 18
Views: 1,342
Posted By rvbuilder2002
Eric beat me to it. The supporting engineering...

Eric beat me to it.
The supporting engineering dept. just provide the following and I believe work is being done to incorporate it into the install documentation.
Forum: VAF Classifieds (posts in here deleted after 30 days) 05-08-2022, 08:09 PM
Replies: 7
Views: 1,031
Posted By rvbuilder2002
Converting a built RV-3 fuselage to accept a B...

Converting a built RV-3 fuselage to accept a B wing requires replacement of the spar center section in the fuselage.
Forum: RV-10 05-08-2022, 05:45 PM
Replies: 26
Views: 5,204
Posted By rvbuilder2002
The mentioned article is available in the Tech...

The mentioned article is available in the Tech Q&A section of the Support tab on Van's Aircraft web...
Forum: RV-14 05-06-2022, 01:24 PM
Replies: 9
Views: 621
Posted By rvbuilder2002
When match drilling holes on a radius, it is...

When match drilling holes on a radius, it is critical that the two surfaces stay in tight contact or later on during final assembly when the the fasteners are installed (which will pull the surfaces...
Forum: RV-6/6A 05-05-2022, 11:25 PM
Replies: 2
Views: 428
Posted By rvbuilder2002
A finish kit from 1991 would have a cowl that...

A finish kit from 1991 would have a cowl that would require a 4 inch long extension.
Forum: RV-12/RV-12iS 05-04-2022, 10:50 AM
Replies: 17
Views: 2,240
Posted By rvbuilder2002
Swinging free and hitting the stops hard is the...

Swinging free and hitting the stops hard is the only thing we know of that will cause it.

The addition stiffener was added to alleviate this type of skin damage.
Forum: RV-12/RV-12iS 05-03-2022, 10:14 PM
Replies: 17
Views: 2,240
Posted By rvbuilder2002
Yes It is caused by the rudder slamming against...

Yes

It is caused by the rudder slamming against the stop.
Forum: RV General Discussion/News 05-01-2022, 10:17 PM
Replies: 12
Views: 1,014
Posted By rvbuilder2002
He hadn't said what kit he was working on... And...

He hadn't said what kit he was working on...
And yes, fully possible on the 7. The kits are constantly being up dated.

How many years ago was it that you got your tail kit :rolleyes:
Forum: RV General Discussion/News 05-01-2022, 03:59 PM
Replies: 12
Views: 1,014
Posted By rvbuilder2002
Some kit parts get heat treated. for those...

Some kit parts get heat treated. for those parts. they wont have any plastic in place, and usually they have a dull finish from being in the heat treat bath.

As mentioned, some holes get...
Forum: RV Ongoing Maintenance Issues 05-01-2022, 08:21 AM
Replies: 19
Views: 2,537
Posted By rvbuilder2002
Or purchase the revised version of the button...

Or purchase the revised version of the button from vans aircraft, that has no relief space in the middle of the button.
Forum: RV-12/RV-12iS 04-30-2022, 12:20 PM
Replies: 7
Views: 2,145
Posted By rvbuilder2002
The aileron hinge bracket design on the RV-12 is...

The aileron hinge bracket design on the RV-12 is very different than all of the other RV's.
It is almost impossible for the elevation of the hinge point to be wrong.
Trailing edge shape can have an...
Forum: RV-15 04-27-2022, 03:28 PM
Replies: 16
Views: 2,503
Posted By rvbuilder2002
How do you know there's not...

How do you know there's not one......................
on the other side of that wall:rolleyes:
Forum: Propellers 04-24-2022, 08:41 AM
Replies: 15
Views: 1,511
Posted By rvbuilder2002
A fixed pitch prop maker that knows what they are...

A fixed pitch prop maker that knows what they are doing when it comes to getting the most performance with the compromise of a fixed pitch prop will sell you a propeller that will allow quite a bit...
Forum: RV General Discussion/News 04-23-2022, 09:39 AM
Replies: 31
Views: 2,672
Posted By rvbuilder2002
Because what you say is true regarding RVs, but...

Because what you say is true regarding RVs, but it is not true regarding the entire experimental aircraft fleet. The safety record is far from equivalent to certificated Aircraft for a lot of...
Forum: RV-12/RV-12iS 04-21-2022, 03:28 PM
Replies: 24
Views: 2,335
Posted By rvbuilder2002
Only if the GPS-175 was added after certification...

Only if the GPS-175 was added after certification because there is no factory option for the 175.
Forum: RV-12/RV-12iS 04-20-2022, 04:02 PM
Replies: 9
Views: 754
Posted By rvbuilder2002
This is standard terminology on RV plans...

This is standard terminology on RV plans pages.

A page would look very messy and confusing is a lead line /arrow were placed to point at each detail (in this case a nut plate) being described.

So a...
Forum: RV-6/6A 04-20-2022, 10:49 AM
Replies: 14
Views: 1,154
Posted By rvbuilder2002
I agree that proper rigging should always be...

I agree that proper rigging should always be confirmed, but it actually isn't possible for the aileron control system on an RV-6 to be jammed by an over center condition.
The reason is that in an...
Forum: RV General Discussion/News 04-20-2022, 10:40 AM
Replies: 15
Views: 2,382
Posted By rvbuilder2002
Likely the result of some pretty severe nose...

Likely the result of some pretty severe nose wheel shimmy.

Checking the balance of the nose wheel assembly, nose fork pivot friction and play in pivot points of the nose gear leg would be a good...
Forum: Flight Testing 04-18-2022, 01:04 PM
Replies: 9
Views: 1,976
Posted By rvbuilder2002
A potential factory regarding the discovery of a...

A potential factory regarding the discovery of a maint. records sign off for Phase 1 on a specific airplane is that I am pretty sure that older operating limitations (at least early 90's and older)...
Forum: RV-12/RV-12iS 04-14-2022, 08:06 AM
Replies: 11
Views: 1,936
Posted By rvbuilder2002
Not officially approved by Rotax but the 912 has...

Not officially approved by Rotax but the 912 has been operated with 25% E in Brazil for many years.

>>>Politics removed….Mod<<<
Forum: RV General Discussion/News 04-13-2022, 11:27 PM
Replies: 4
Views: 962
Posted By rvbuilder2002
Maybe At original registration, the serial #...

Maybe

At original registration, the serial # can be designated anything the builder chooses.
Forum: RV-12/RV-12iS 04-12-2022, 10:42 AM
Replies: 53
Views: 4,962
Posted By rvbuilder2002
I agree, but if they have good control over the...

I agree, but if they have good control over the issuance of serial #'s such that the same number has never been used on two different pumps, then using only the serial # would be valid. Maybe the...
Forum: RV-12/RV-12iS 04-12-2022, 08:12 AM
Replies: 53
Views: 4,962
Posted By rvbuilder2002
Sorry, I can not. Lockwood has much more...

Sorry, I can not.

Lockwood has much more knowledge and experience regarding the fine details of the Rotax engines. I trust what they say.
Forum: RV-14 04-11-2022, 09:07 PM
Replies: 30
Views: 3,852
Posted By rvbuilder2002
I agree. My DIY rudder gust lock installs at the...

I agree.
My DIY rudder gust lock installs at the fwd end of the counter balance arm.
Forum: RV-12/RV-12iS 04-11-2022, 05:16 PM
Replies: 53
Views: 4,962
Posted By rvbuilder2002
SLSA rules FYI..... The ASTM's that regulate...

SLSA rules FYI.....


The ASTM's that regulate Light Sport aircraft contain a requirement that requires an SLSA manufacturer to issue a S.B. that echoes any S.B. that a third party / OEM supplier...
Forum: RV-12/RV-12iS 04-11-2022, 10:45 AM
Replies: 7
Views: 1,062
Posted By rvbuilder2002
If the lens is trimmed flush to the edge of the...

If the lens is trimmed flush to the edge of the nutplate doubler plates, it can be removed buy sliding it laterally and then lightly squeeze and pull it out it out as you move it laterally the...
Forum: RV General Discussion/News 04-10-2022, 10:59 AM
Replies: 16
Views: 1,825
Posted By rvbuilder2002
You are correct Mel. Even though having...

You are correct Mel.

Even though having experimental on the wing walk would meet the placard requirement I would not do that myself. The reason being is all the small little parts within the letters...
Forum: RV Ongoing Maintenance Issues 04-04-2022, 07:36 AM
Replies: 18
Views: 1,497
Posted By rvbuilder2002
Yup Most epoxy primers must be top coated to get...

Yup
Most epoxy primers must be top coated to get full protection and have a fully sealed surface.
Forum: RV-14 04-03-2022, 06:44 PM
Replies: 30
Views: 3,852
Posted By rvbuilder2002
When a counter weighted control surface slams...

When a counter weighted control surface slams full range from one side to the other and comes to a sudden stop on the control stop, the inertia of the counter weight at the opposite end from where...
Forum: RV-14 04-03-2022, 11:33 AM
Replies: 30
Views: 3,852
Posted By rvbuilder2002
Well, Van's doesn't endorse doing snap rolls in...

Well, Van's doesn't endorse doing snap rolls in any RV model, but it should be fine for any of the flight operations that are recommended.

Having said that, a detailed inspection of the entire...
Forum: RV-4 04-03-2022, 11:20 AM
Replies: 20
Views: 1,657
Posted By rvbuilder2002
The cut depth of the (tapered) threads in the...

The cut depth of the (tapered) threads in the pump are what control how deep you can get the fitting to thread in.

To get it to go deeper you will have to re-cut the threads as well. Probably...
Forum: RV General Discussion/News 04-01-2022, 08:13 PM
Replies: 6
Views: 1,037
Posted By rvbuilder2002
RV-12’s built and certified as an E-LSA will have...

RV-12’s built and certified as an E-LSA will have Vans Aircraft listed as the manufacturer.
Forum: RV Building Tips/Techniques 04-01-2022, 12:34 PM
Replies: 27
Views: 3,018
Posted By rvbuilder2002
If I was doing this repair, I would remove the...

If I was doing this repair, I would remove the skin and then remove all of the nose ribs from the spar.

Prep a new skin and any new ribs that needed to be replaced.

Rivet the ribs into the L.E....
Forum: RV-6/6A 03-31-2022, 03:31 PM
Replies: 16
Views: 1,214
Posted By rvbuilder2002
Standard NPT type threads require a sealant to...

Standard NPT type threads require a sealant to assure it doesn't leak.

Details explained in paragraph 5.27 of SECTION 5 (https://www.vansaircraft.com/service-information-and-revisions/5/)
Forum: RV-12/RV-12iS 03-30-2022, 08:39 AM
Replies: 247
Views: 37,493
Posted By rvbuilder2002
Since the majority of RV-12's that have been...

Since the majority of RV-12's that have been built were built as copies of the original (Exact copies in the case of E-LSA's), most of the fleet is of universal design, which means that most all...
Forum: RV-12/RV-12iS 03-25-2022, 10:58 AM
Replies: 7
Views: 1,062
Posted By rvbuilder2002
This statement is correct.

This statement is correct.
Forum: RV General Discussion/News 03-25-2022, 10:47 AM
Replies: 10
Views: 1,511
Posted By rvbuilder2002
It is also precisely the reason that the RV 10,...

It is also precisely the reason that the RV 10, RV 12, and RV 14 kits were advanced to the level that they are, during development. There is much less thinking and figuring out for the builder to do...
Forum: RV General Discussion/News 03-21-2022, 10:47 AM
Replies: 8
Views: 648
Posted By rvbuilder2002
Professionally done inspections (whether it be on...

Professionally done inspections (whether it be on certificated or experimental) include inspection of the inlet filter on the fuel delivery device (F.I. servo, carb., etc), as often they are a finer...
Forum: RV General Discussion/News 03-18-2022, 10:38 AM
Replies: 21
Views: 4,063
Posted By rvbuilder2002
It is very possible that what is seen on the...

It is very possible that what is seen on the surface is adhesive residue from the vinyl. I have seen this in the past after removing vinyl that had been in place for a long time.
That could be why...
Forum: RV-6/6A 03-17-2022, 08:13 AM
Replies: 24
Views: 2,791
Posted By rvbuilder2002
The plans specifying the use of a #10 drill is...

The plans specifying the use of a #10 drill is not to make loose fit holes... it is to make a properly sized hole.
When drilling UHMW material, it is just fluid enough that it expands when...
Forum: RV-12/RV-12iS 03-16-2022, 01:16 PM
Replies: 18
Views: 1,630
Posted By rvbuilder2002
Since the E-LSA rules allow for anyone to do the...

Since the E-LSA rules allow for anyone to do the building and assemble work of an E-LSA aircraft ( you can even pay someone to build your kit for you), it would not matter where the lines were...
Forum: RV-14 03-16-2022, 07:23 AM
Replies: 6
Views: 1,221
Posted By rvbuilder2002
Yes you can. Or even a stack of multiple washers...

Yes you can. Or even a stack of multiple washers to fill up the space within the clip and keep the nose piece on the outside when you set the rivet.
Forum: RV-14 03-15-2022, 10:41 AM
Replies: 6
Views: 1,221
Posted By rvbuilder2002
Another potential cause is if you used a rivet...

Another potential cause is if you used a rivet tool with too large of a nose piece, such that it didn't push the rivet tight to the bottom of the hole in the in the clip.
A lot of RV-14's have lots...
Forum: RV-6/6A 03-14-2022, 01:23 PM
Replies: 24
Views: 2,791
Posted By rvbuilder2002
I believe that is correct. I have worked on a...

I believe that is correct.
I have worked on a number of RV-6A's, removing, installing the pedals and it was doable but the blocks had to be removed from the ends to get them past the ribs.
Once in...
Forum: RV General Discussion/News 03-06-2022, 01:59 PM
Replies: 25
Views: 2,194
Posted By rvbuilder2002
After rereading it, I think you’re right. I miss...

After rereading it, I think you’re right. I miss interpreted it as a question regarding whether fuel load was considered as part of the Aerobatic gross weight limit. The aerobatic gross weight for...
Forum: RV General Discussion/News 03-06-2022, 09:31 AM
Replies: 25
Views: 2,194
Posted By rvbuilder2002
No. For the reason already mentioned. Fuel is...

No.
For the reason already mentioned.
Fuel is only carried in the inboard portion of the wing, so fuel weight only reduces the bending moment on that portion of the wing…. There would still be an...
Forum: RV General Discussion/News 03-05-2022, 10:56 AM
Replies: 25
Views: 2,194
Posted By rvbuilder2002
It is even more complicated than that..... The...

It is even more complicated than that.....

The effective result is different depending on whether you are carrying less baggage, or less fuel.

Example - If the additional weight is actually more...
Forum: RV General Discussion/News 02-28-2022, 10:37 AM
Replies: 7
Views: 1,080
Posted By rvbuilder2002
They actually aren't clear. If you hold a piece...

They actually aren't clear.
If you hold a piece of white paper at the edge of the canopy, you can see that there is some level of tint.
Forum: RV-14 02-23-2022, 01:12 PM
Replies: 26
Views: 9,065
Posted By rvbuilder2002
I am pretty sure a reflex position is specific to...

I am pretty sure a reflex position is specific to the airfoil design.
Just because one wing is best with -7deg, does not mean it would be on another.

Just like some airfoils do not benefit from any...
Forum: RV-14 02-23-2022, 01:04 PM
Replies: 11
Views: 1,912
Posted By rvbuilder2002
If careful alignment was done during the build, I...

If careful alignment was done during the build, I would suggest a close look at the brakes.

Our RV-14 tracks very straight (even with me flying it :rolleyes:)
Forum: RV General Discussion/News 02-22-2022, 01:07 PM
Replies: 84
Views: 15,659
Posted By rvbuilder2002
It is even more so, when a pending price increase...

It is even more so, when a pending price increase is announced, with the stipulation that all orders received prior to that date/time will be honored at the older prices.
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