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Search: Posts Made By: rvbuilder2002
Forum: RV General Discussion/News Yesterday, 09:39 PM
Replies: 3
Views: 133
Posted By rvbuilder2002
For it to work, you have to mold the extension on...

For it to work, you have to mold the extension on the cowl inlet as detailed in the FAB install instructions .

The cowl has to move straight down to be removed, and if the extension hasn't been...
Forum: RV General Discussion/News Yesterday, 11:26 AM
Replies: 8
Views: 392
Posted By rvbuilder2002
Is it a carbureted engine? If so, then the...

Is it a carbureted engine?
If so, then the gascolator you mentioned having, is the fuel filter. It should have an internal filter screen.
Forum: RV-9/9A 05-31-2020, 10:30 PM
Replies: 85
Views: 7,925
Posted By rvbuilder2002
John, The post my comment was about, regarding...

John,
The post my comment was about, regarding someones post about Vne, was not made by you.
Forum: RV General Discussion/News 05-31-2020, 01:50 PM
Replies: 4
Views: 156
Posted By rvbuilder2002
That is a good plan. Most of these types of...

That is a good plan.
Most of these types of warnings are because a lot of builders who have already gone before you, did not do that......;)
Forum: RV-14 05-31-2020, 12:44 PM
Replies: 8
Views: 597
Posted By rvbuilder2002
The RV-14 (and RV-10) have airfoil sections that...

The RV-14 (and RV-10) have airfoil sections that were specifically designed to have a reflex shaped into the trailing edge portion. That shape is incorporated into the shape of the ailerons, so...
Forum: RV General Discussion/News 05-31-2020, 12:36 PM
Replies: 4
Views: 156
Posted By rvbuilder2002
The warning is because the parts are not...

The warning is because the parts are not symmetrical so when the part is installed on the right side, it needs to be flipped 180 degrees (the top will be the bottom, and the bottom will be the...
Forum: RV-14 05-30-2020, 10:29 PM
Replies: 8
Views: 597
Posted By rvbuilder2002
What Steve Said ^^^^^^^ The ailerons on all the...

What Steve Said ^^^^^^^

The ailerons on all the RV's return to neutral because they are linked together and the the forces on each cancel the other (except when they don't... which is why adjusting...
Forum: RV General Discussion/News 05-30-2020, 07:15 PM
Replies: 10
Views: 639
Posted By rvbuilder2002
The document is still on the web site but the...

The document is still on the web site but the link address has been changed (darn web administrators :rolleyes:)

The document with the details is the current Section 5 that is common to all models...
Forum: RV General Discussion/News 05-30-2020, 10:48 AM
Replies: 34
Views: 2,623
Posted By rvbuilder2002
I guess this line of thinking should be expected...

I guess this line of thinking should be expected since it is somewhat valid with the cars & trucks that we are all familiar with.

It is not (not universally anyway) valid with aircraft.

Like you...
Forum: RV-14 05-29-2020, 01:41 PM
Replies: 4
Views: 446
Posted By rvbuilder2002
Pretty sure it is 8 Ga.

Pretty sure it is 8 Ga.
Forum: RV-9/9A 05-28-2020, 10:49 PM
Replies: 85
Views: 7,925
Posted By rvbuilder2002
I am glad to hear that but frustrated to see your...

I am glad to hear that but frustrated to see your post that once again implies to others that read here, that as long as Vne (TAS) is obeyed that all will be fine.

Vno is equally important because...
Forum: RV-9/9A 05-28-2020, 08:57 PM
Replies: 85
Views: 7,925
Posted By rvbuilder2002
This is being worked on (sometimes the gears turn...

This is being worked on (sometimes the gears turn slowly)
In reality though, would it make a bit of difference in this case?
The OP has already been referred to two documents publish by Vans that go...
Forum: RV-9/9A 05-28-2020, 08:42 AM
Replies: 85
Views: 7,925
Posted By rvbuilder2002
Thanks for amplifying the point Larry. Everyone...

Thanks for amplifying the point Larry.

Everyone that contributes to the discussions here on VAF has the potential to unintentionally misinform thousands of others. We should all always keep that in...
Forum: RV-12/RV-12iS 05-27-2020, 11:29 PM
Replies: 203
Views: 38,331
Posted By rvbuilder2002
The spring was added to the engine design early...

The spring was added to the engine design early on, not to support the filter weight, but to change the natural resonant frequency of the carb / engine interaction which caused a failure of the carb....
Forum: RV General Discussion/News 05-27-2020, 11:09 AM
Replies: 8
Views: 375
Posted By rvbuilder2002
I think you are beginning a quest to solve a...

I think you are beginning a quest to solve a problem that doesn't exist (based on the oil temp #'s you have reported.... and are typical with RV-14's)

Very few (if any) high performance aircraft can...
Forum: RV-6/6A 05-26-2020, 07:36 PM
Replies: 10
Views: 877
Posted By rvbuilder2002
All pedal weldments produce since the SB was...

All pedal weldments produce since the SB was issued have had the gussets installed.
Forum: RV-14 05-26-2020, 02:08 PM
Replies: 2
Views: 275
Posted By rvbuilder2002
The thickness of the cowl attach plates was...

The thickness of the cowl attach plates was revised at some point.
Prior to that it was thin enough to dimple for attachment of the nutplates.
I think the plate is .063 thick now(?) which is nearly...
Forum: RV-14 05-25-2020, 12:18 PM
Replies: 11
Views: 681
Posted By rvbuilder2002
Lots of opinions as would be expected..... The...

Lots of opinions as would be expected.....

The logic behind the recommendation in the plans is this -

- It is much easier to do a good job of scuffing and properly cleaning parts and skins if there...
Forum: RV-12/RV-12iS 05-24-2020, 11:20 AM
Replies: 10
Views: 1,480
Posted By rvbuilder2002
Paint color will have an influence on the sun...

Paint color will have an influence on the sun heated temp. of the skins.
It will show up as a slightly loose/wavy look to the skins.
If it was of a structural or longevity concern the build...
Forum: RV-12/RV-12iS 05-23-2020, 04:56 PM
Replies: 8
Views: 3,176
Posted By rvbuilder2002
That is correct.

That is correct.
Forum: RV General Discussion/News 05-23-2020, 12:55 PM
Replies: 21
Views: 1,322
Posted By rvbuilder2002
It actually is there, but when you enter the...

It actually is there, but when you enter the forum the default setting is to show only the posts that have been made in the past month.
Enter the forum and under Display Options change From the Last...
Forum: RV-14 05-23-2020, 11:46 AM
Replies: 15
Views: 2,790
Posted By rvbuilder2002
Ralph is correct. That is the exact reason that...

Ralph is correct. That is the exact reason that the special bucking bar was designed.
The first prototype elevator was built using a 1/4 “ thick piece of steel plate about 3 “ wide by 18” long. It...
Forum: RV-12/RV-12iS 05-23-2020, 11:27 AM
Replies: 8
Views: 3,176
Posted By rvbuilder2002
The opposite of what was originally stated..... ...

The opposite of what was originally stated..... replace the word down, with the word up.
Forum: RV-12/RV-12iS 05-22-2020, 02:10 PM
Replies: 21
Views: 1,626
Posted By rvbuilder2002
Back before Rotax switched from publishing a list...

Back before Rotax switched from publishing a list of approved oils to just recommending Aeroshell Sport Plus4 (Mobil 1 Racing 4T was on the approved list at that time) they stated that any of the...
Forum: RV Building Tips/Techniques 05-21-2020, 07:43 PM
Replies: 9
Views: 529
Posted By rvbuilder2002
RVís have been built for decades using just a...

RVís have been built for decades using just a simple bubble level. The key to success is in knowing that the one you have is accurate.
The way to confirm that is that a level should read the exact...
Forum: RV-12/RV-12iS 05-21-2020, 06:25 PM
Replies: 21
Views: 1,626
Posted By rvbuilder2002
That is correct. That is why Aeroshell Sport...

That is correct.
That is why Aeroshell Sport Plus 4 is a semisynthetic oil.
Forum: RV General Discussion/News 05-21-2020, 04:28 PM
Replies: 30
Views: 3,739
Posted By rvbuilder2002
Van's did equip a prototype / engineering RV-8...

Van's did equip a prototype / engineering RV-8 with a 6 cyl Franklin as an engineering / research effort but a FWF kit was never offered for it. 200 HP has always been the official limit for kit...
Forum: Electrical Systems 05-21-2020, 08:29 AM
Replies: 2
Views: 335
Posted By rvbuilder2002
From the Van's Aircraft web...

From the Van's Aircraft web site

https://www.vansaircraft.com/faq/gauge-installation-diagram-and-instructions/
Forum: RV-14 05-20-2020, 09:21 AM
Replies: 28
Views: 5,170
Posted By rvbuilder2002
Maybe..... One of the influencers of flutter...

Maybe.....

One of the influencers of flutter susceptibility is control surface stiffness.

Not saying that yours is at risk (can't tell that from just looking at photos), just pointing out that...
Forum: RV-12/RV-12iS 05-19-2020, 05:11 PM
Replies: 5
Views: 682
Posted By rvbuilder2002
Section 33 revised in Dec. 2015 shows the details...

Section 33 revised in Dec. 2015 shows the details of how it goes together.

https://www.vansaircraft.com/wp-content/uploads/2019/01/RV-12_33.pdf
Forum: RV General Discussion/News 05-19-2020, 05:03 PM
Replies: 2
Views: 399
Posted By rvbuilder2002
The bubble is the same for tip-up and slider on...

The bubble is the same for tip-up and slider on the 6, 7, & 9.
The frame / system for the tip-up and slider is also the same on all 3.
Forum: RV General Discussion/News 05-19-2020, 11:22 AM
Replies: 11
Views: 634
Posted By rvbuilder2002
Tank removal is made easier if you primarily pull...

Tank removal is made easier if you primarily pull fwd on the tank at the inboard end.
This causes the screw dimples at the outboard end to disengage sequentially from back to front as the tank pivots...
Forum: Traditional Aircraft Engines 05-17-2020, 01:25 PM
Replies: 11
Views: 838
Posted By rvbuilder2002
I wasn't going to derail your thread by going off...

I wasn't going to derail your thread by going off topic but since you are asking specific questions on the subject, here is a couple snips from a presentation I have given called A&P's and non-type...
Forum: RV-14 05-17-2020, 12:54 PM
Replies: 11
Views: 597
Posted By rvbuilder2002
The Garmin install manual specifies that a...

The Garmin install manual specifies that a snubber be used on the MP sense line.
In some installations (including the company RV-10 when the panel upgrade was done) the standard restrictor fitting...
Forum: RV-12/RV-12iS 05-17-2020, 09:45 AM
Replies: 8
Views: 664
Posted By rvbuilder2002
Karl, what process did you use when doing the...

Karl, what process did you use when doing the initial adjustment? If you follow the KAI process and use the recommended value, you should be very close.
Zeroing the digital level while its on the...
Forum: RV-12/RV-12iS 05-15-2020, 09:24 AM
Replies: 12
Views: 638
Posted By rvbuilder2002
Yes, it is normal. The reason is that with the...

Yes, it is normal.
The reason is that with the tank shaped as it is, some of the fuel in the tank when it is full is above the float when the sender is in the full position. This causes the fuel...
Forum: RV-12/RV-12iS 05-15-2020, 08:57 AM
Replies: 14
Views: 993
Posted By rvbuilder2002
The 912 ULS engine has a fuel return path...

The 912 ULS engine has a fuel return path incorporated into its fuel delivery system.
The return path is via a restrictor orifice that is inside the fuel distribution manifold block on the top of the...
Forum: RV-12/RV-12iS 05-14-2020, 11:56 PM
Replies: 14
Views: 993
Posted By rvbuilder2002
A pump failure is possible but seems...

A pump failure is possible but seems unlikely.
The standard RV-12 design has the electrical on full time for the reason already mentioned.
Stating a cause would only be a guess.
A couple things you...
Forum: RV-12/RV-12iS 05-14-2020, 11:27 PM
Replies: 14
Views: 993
Posted By rvbuilder2002
The reason the RV-12 was designed with a full...

The reason the RV-12 was designed with a full time operating electric pump is to mitigate vapor lock issues.
The classic instance of high vapor lock potential is late spring hotter weather with...
Forum: RV General Discussion/News 05-14-2020, 11:18 PM
Replies: 1
Views: 706
Posted By rvbuilder2002
I would leave as is. The primary reasons for...

I would leave as is.
The primary reasons for outboard on top is to have a thinner skin on the outside for a bit better appearance and to position the skin lap so that water flowing down the dihedral...
Forum: RV-12/RV-12iS 05-14-2020, 08:32 AM
Replies: 9
Views: 797
Posted By rvbuilder2002
When newly filled, there can be some air...

When newly filled, there can be some air entrapment.

Weighting the tail down so that the tail tie down is held to the ground and shaking a wing tip up and down slightly while the cap is off of the...
Forum: RV-12/RV-12iS 05-14-2020, 08:29 AM
Replies: 11
Views: 965
Posted By rvbuilder2002
That was my first thought. There was also a...

That was my first thought.

There was also a revision at some point that changed form having just the mic jacks for the headsets isolated with insulators, to the mic and headphone jacks having them. ...
Forum: RV General Discussion/News 05-13-2020, 08:26 AM
Replies: 6
Views: 704
Posted By rvbuilder2002
It is true that if a balance arm is added to a...

It is true that if a balance arm is added to a control surface it will dynamically reduce the force required to deflect it, but in this case (RV-8 rudder installed on an RV-6) the rudder is slightly...
Forum: RV General Discussion/News 05-12-2020, 08:25 PM
Replies: 25
Views: 1,522
Posted By rvbuilder2002
The common to all models Section 5 in the...

The common to all models Section 5 in the construction manuals give specific recommendations regarding dimple countersinking vs machine countersinking.

In a nut shell...... machine countersinking...
Forum: RV-4 05-12-2020, 04:38 PM
Replies: 6
Views: 715
Posted By rvbuilder2002
With a carb., the engine will quit anytime the...

With a carb., the engine will quit anytime the airplane isn't in a positive (at least slightly) G condition. The design concept of a carburetor is that it be exposed to normal (positive) G loading. ...
Forum: RV-3 05-11-2020, 11:57 PM
Replies: 10
Views: 877
Posted By rvbuilder2002
There are different ways to correct a roll trim...

There are different ways to correct a roll trim issue but before doing any of them the ailerons should be evaluated for proper build/shape.
It makes no sense to jump to one method without first...
Forum: RV-12/RV-12iS 05-11-2020, 04:26 PM
Replies: 37
Views: 2,987
Posted By rvbuilder2002
You mean like "in a week" (if you have enough...

You mean like "in a week" (if you have enough hands to help ;))
Forum: RV General Discussion/News 05-11-2020, 09:12 AM
Replies: 153
Views: 22,534
Posted By rvbuilder2002
Alex is correct. The no adjustment was...

Alex is correct.
The no adjustment was problematic because the dimensional tolerance that Cleveland was able to hold when machining their wheels was very poor.
Forum: RV General Discussion/News 05-11-2020, 09:09 AM
Replies: 153
Views: 22,534
Posted By rvbuilder2002
The new nose gear / engine mount utilizes an in...

The new nose gear / engine mount utilizes an in house newly designed/manufactured nose wheel axle. It is similar in concept (being solid and adjustable) as the Matco, but I believe it is less...
Forum: RV General Discussion/News 05-09-2020, 10:15 PM
Replies: 153
Views: 22,534
Posted By rvbuilder2002
Correct The new design axle can be installed on...

Correct

The new design axle can be installed on legacy nose gears even if the new design nose gear/engine mount is not being retrofitted.
Forum: RV-14 05-08-2020, 08:21 AM
Replies: 10
Views: 905
Posted By rvbuilder2002
Longitudinally exactly level is the important...

Longitudinally exactly level is the important one.
Any amount of error here will cause you to calculate an erroneous empty C.G. position.
Even having the canopy open will induce an error.
Forum: RV-14 05-08-2020, 08:18 AM
Replies: 10
Views: 905
Posted By rvbuilder2002
I have weighed and done the W&B calculations on a...

I have weighed and done the W&B calculations on a LOT of different RV's

Pretty much universally the weight difference between left and right main wheels is 5 - 10 lbs. I have never seen a delta of...
Forum: RV-14 05-07-2020, 08:06 PM
Replies: 6
Views: 546
Posted By rvbuilder2002
Iím sure Greg will look into it. It shouldnít be...

Iím sure Greg will look into it. It shouldnít be in the RV-14 section.
Forum: RV-14 05-07-2020, 03:26 PM
Replies: 6
Views: 546
Posted By rvbuilder2002
Should not be needed with an RV-14 At the very...

Should not be needed with an RV-14

At the very least, do not install until doing some flight testing.
Forum: RV-12/RV-12iS 05-07-2020, 03:16 PM
Replies: 2
Views: 513
Posted By rvbuilder2002
Hans, If the control system is built/assembled...

Hans,
If the control system is built/assembled correctly, there wont be any adjustments you have to access that area for (and even if you did adjust push/pull rod lengths, it would have no effect on...
Forum: RV-12/RV-12iS 05-07-2020, 10:09 AM
Replies: 26
Views: 2,106
Posted By rvbuilder2002
On the RV-12 with the speeds it flys at the...

On the RV-12 with the speeds it flys at the difference of wheel pants and nose gear leg fairing, or not, is 3 kts.

Max cruise with is 120 Kts
Max cruise without is 117 Kts
Forum: RV-10 05-06-2020, 12:51 PM
Replies: 56
Views: 5,288
Posted By rvbuilder2002
Dynon / AFS Service Bulletin

Dynon / AFS has just issued a service bulletin related to the subject of this thread.

https://www.dynonavionics.com/bulletins/support_bulletin_050620E.php
Forum: RV General Discussion/News 05-06-2020, 08:23 AM
Replies: 32
Views: 3,434
Posted By rvbuilder2002
I know it can be frustrating but not all part #'s...

I know it can be frustrating but not all part #'s are indexed on the "List" or available on a web store order.
The deficiencies are known.

A previous post by Greg on the...
Forum: RV-9/9A 05-05-2020, 02:00 PM
Replies: 64
Views: 7,427
Posted By rvbuilder2002
.... I also get tired of feeling like I post an...

.... I also get tired of feeling like I post an important operational detail and then some of the very active forum participants continue to ignore it.
Fully their prerogative, but the "get tired of...
Forum: RV-9/9A 05-05-2020, 01:50 PM
Replies: 64
Views: 7,427
Posted By rvbuilder2002
Earl, Since you have posed some specific...

Earl,
Since you have posed some specific questions, I will try and give some specific answers as the pertain to the RV-9(A)



Your correct, not a lot of specifics have been given in this thread but...
Forum: RV-9/9A 05-05-2020, 08:45 AM
Replies: 64
Views: 7,427
Posted By rvbuilder2002
Same here But this thread shows that there are...

Same here

But this thread shows that there are still many people out there that don't.
Because of that, I will not stop correcting incorrect or incomplete information.

Those that don't like it........
Forum: RV General Discussion/News 05-04-2020, 11:41 PM
Replies: 3
Views: 261
Posted By rvbuilder2002
They are the original Horner style tips. Lights...

They are the original Horner style tips.

Lights are an after market option from RMD
http://www.rmdaircraft.com/other.htm
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