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Search: Posts Made By: rvbuilder2002
Forum: RV-12/RV-12iS Today, 09:21 PM
Replies: 2
Views: 63
Posted By rvbuilder2002
I'm pretty sure the cables used on the RV-12 have...

I'm pretty sure the cables used on the RV-12 have a teflon inner liner so there is never any contact between the cable housing and the inner wire.
Forum: RV-6/6A Today, 09:17 PM
Replies: 18
Views: 613
Posted By rvbuilder2002
It is likely related to the particular prop. gov....

It is likely related to the particular prop. gov. that are installed on the two airplanes.
Neither will cycle the prop on the ground below 1800 RPM.
The RPM in the engine off glide was well below...
Forum: RV-6/6A Yesterday, 11:10 PM
Replies: 18
Views: 613
Posted By rvbuilder2002
As Steve hinted, the result is dependent on how...

As Steve hinted, the result is dependent on how low of an RPM a particular gov is able to control the propeller.
We did some testing at Vans with two airplanes a couple years ago, with the engines...
Forum: RV Building Tips/Techniques Yesterday, 12:37 AM
Replies: 29
Views: 10,040
Posted By rvbuilder2002
Resistance between screw terminal on the sender...

Resistance between screw terminal on the sender and the sender flange should be about 30 ohms when full, and about 240 ohms when empty.
With that info you should be able to do some measurements and...
Forum: RV-8/8A 11-27-2022, 05:12 PM
Replies: 6
Views: 969
Posted By rvbuilder2002
I have always felt that the PIP pins were a good...

I have always felt that the PIP pins were a good option for making the canopy jettisonable but personally if I was needing to use the function, I would first pull both of the pins before unlatching...
Forum: RV-7/7A 11-25-2022, 12:42 AM
Replies: 30
Views: 5,499
Posted By rvbuilder2002
The 7 has been tested (including spin...

The 7 has been tested (including spin testing)with both the 8 and the 9 style rudder. The RV-14 has never been tested with anything other than the RV-14 rudder.
That alone might be worth pondering...
Forum: RV General Discussion/News 11-23-2022, 12:32 PM
Replies: 44
Views: 3,376
Posted By rvbuilder2002
Phase 1 has no relevance to anything that could...

Phase 1 has no relevance to anything that could legally be described as repair.
It would only come into play if during the repair/rebuild, changes were made that would classify as a major change.
If...
Forum: RV General Discussion/News 11-22-2022, 08:09 PM
Replies: 21
Views: 1,813
Posted By rvbuilder2002
Thanks to everyone for the kind words, and I am...

Thanks to everyone for the kind words, and I am sure Brian would say the same if he was active on VAF forums.

I fully intend to stay active in the RV community so I will still be around the forums. ...
Forum: RV Ongoing Maintenance Issues 11-18-2022, 10:45 AM
Replies: 53
Views: 23,296
Posted By rvbuilder2002
25 years ago, the sealant being sold by Van’s was...

25 years ago, the sealant being sold by Van’s was the trademark name Proseal.
That is likely why it is the common reference for tank sealant within the RV building community.
Forum: RV-7/7A 11-17-2022, 07:08 PM
Replies: 5
Views: 1,424
Posted By rvbuilder2002
Good electrical contact between the screw and the...

Good electrical contact between the screw and the nutplate is highly unlikely to be a problem with the amount of friction that’s involved in installing the screw because of the locking feature on the...
Forum: RV-12/RV-12iS 11-17-2022, 02:53 PM
Replies: 30
Views: 5,503
Posted By rvbuilder2002
If your airplane doesn't have a right side EFIS...

If your airplane doesn't have a right side EFIS screen, removing the right side panel section should provide enough access to complete the work for the S.B depending on what tools you have access to.
Forum: RV Building Tips/Techniques 11-16-2022, 12:07 PM
Replies: 11
Views: 773
Posted By rvbuilder2002
I agree with Bill, the part is salvageable. Both...

I agree with Bill, the part is salvageable. Both of his suggestions are valid ways of dealing with the issue.
A third one that I have used myself in the past is to make a thin spacer that can be put...
Forum: Alternative Engines 11-13-2022, 09:40 PM
Replies: 63
Views: 6,642
Posted By rvbuilder2002
I have doubts that the plastic centering bushing...

I have doubts that the plastic centering bushing was doing much of anything to help maintain alignment ( which is why they got destroyed).
For that reason, testing a modification with a bushing...
Forum: Propellers 11-13-2022, 01:53 PM
Replies: 11
Views: 373
Posted By rvbuilder2002
Earlier in RV building history when airplanes...

Earlier in RV building history when airplanes were predominantly completed using wooden propellers and the early version cowl that used a 4 inch extension, spool style extensions were used like this...
Forum: RV-12/RV-12iS 11-09-2022, 01:04 AM
Replies: 6
Views: 727
Posted By rvbuilder2002
The hose described in the MM revision is the...

The hose described in the MM revision is the small diam. hose that goes between the nipple on the crossover tube and the MP sensor.
Forum: RV-6/6A 11-07-2022, 08:47 PM
Replies: 20
Views: 4,395
Posted By rvbuilder2002
I hate to be the bearer of bad news, but I think...

I hate to be the bearer of bad news, but I think you should be prepared for some engine operational issues because of the shape of your modified snorkel. The 200 series fuel servo is very sensitive...
Forum: RV Ongoing Maintenance Issues 11-07-2022, 08:38 PM
Replies: 11
Views: 899
Posted By rvbuilder2002
They still don’t (except for the RV-12...

They still don’t (except for the RV-12 plans)

Instead, they specify that an external toothed lock washer be used under one screw for the cover plate and one screw for the sander flange. This has...
Forum: RV Building Tips/Techniques 11-07-2022, 01:01 AM
Replies: 38
Views: 10,258
Posted By rvbuilder2002
A straight edge laid cord wise as shown in...

A straight edge laid cord wise as shown in Section 5 is about as accurate of a method as you will find. Not sure what the benefit would be in making a special tool. Especially since you would have...
Forum: RV Ongoing Maintenance Issues 11-02-2022, 10:07 AM
Replies: 12
Views: 1,036
Posted By rvbuilder2002
No, and we have been doing it for many many...

No, and we have been doing it for many many years. Including on the certified SLSA RV-12’s.
With the shape of most aircraft wheels you can stick the weights on in such a way that when the wheel...
Forum: RV-14 11-01-2022, 05:21 PM
Replies: 2
Views: 365
Posted By rvbuilder2002
The same holes used to match drill will also get...

The same holes used to match drill will also get machine countersunk to accept skin dimples so if your concern is about loosing the anodizing you will be touching up with protective primer when you...
Forum: RV Ongoing Maintenance Issues 11-01-2022, 05:15 PM
Replies: 12
Views: 1,036
Posted By rvbuilder2002
Yup It is the very first thing on my suggestion...

Yup
It is the very first thing on my suggestion list...
after doing something to confirm where the shaking is at, such as using a camera mounted on the aircraft or have someone watch from outside...
Forum: RV Ongoing Maintenance Issues 11-01-2022, 01:57 PM
Replies: 16
Views: 2,036
Posted By rvbuilder2002
The spec is 26 pounds. But having that number...

The spec is 26 pounds.
But having that number and not knowing how to properly measurement it is of no value. I strongly suggest you get a copy of the plans. They are invaluable for maintaining and...
Forum: RV General Discussion/News 10-30-2022, 04:11 PM
Replies: 3
Views: 613
Posted By rvbuilder2002
The best solution would be to try and resolve it...

The best solution would be to try and resolve it using other methods.
Have you searched specifically in the RV-12 forum?

The two most common corrections for heavy wing on an RV-12 are adjusting the...
Forum: RV General Discussion/News 10-30-2022, 12:01 AM
Replies: 9
Views: 926
Posted By rvbuilder2002
A Van’s employee tried some on his RV-4 many...

A Van’s employee tried some on his RV-4 many years ago by temporarily taping them on. The airplane had already flow with standard fairings for a few years and speed performance was well known. The...
Forum: VAF Classifieds (posts in here deleted after 30 days) 10-28-2022, 07:16 PM
Replies: 29
Views: 2,306
Posted By rvbuilder2002
If you go this route, make sure you weld the end...

If you go this route, make sure you weld the end of the loop closed or under high load they will open up like a paper clip.
Forum: RV-12/RV-12iS 10-28-2022, 02:42 PM
Replies: 2
Views: 659
Posted By rvbuilder2002
The 12iS version of the kit was initially offered...

The 12iS version of the kit was initially offered with the option to use the ULS engine, so the charge power output should not be a problem (and for the most part, the current electrical system has...
Forum: RV-14 10-28-2022, 02:18 PM
Replies: 12
Views: 1,053
Posted By rvbuilder2002
Because it is a welded component that is being...

Because it is a welded component that is being installed, it can not be assumed that the COM bearing locates exactly centered between the tabs that make up the clevis on the control column.
So your...
Forum: RV Building Tips/Techniques 10-24-2022, 12:22 PM
Replies: 7
Views: 883
Posted By rvbuilder2002
Exactly Flexing a strip of material across its...

Exactly
Flexing a strip of material across its width produces the buckle that you see. You can demonstrate this yourself with a 1 inch wide strip of paper laying on a flat surface. Move it in such a...
Forum: RV General Discussion/News 10-24-2022, 10:43 AM
Replies: 18
Views: 1,789
Posted By rvbuilder2002
A carburetor requires positive G to function. So...

A carburetor requires positive G to function. So if an engine with a carburetor is still running there is some level of positive g (even .25 g’s is enough)
A descending steep turn doesn’t put you at...
Forum: RV General Discussion/News 10-20-2022, 09:24 PM
Replies: 32
Views: 3,499
Posted By rvbuilder2002
The actual point is it depends. It depends on...

The actual point is it depends.

It depends on the condition of the surface. It depends on who is flying the airplane.
To make a true comparison we would have to have the data of what percentage of...
Forum: RV General Discussion/News 10-20-2022, 07:46 PM
Replies: 32
Views: 3,499
Posted By rvbuilder2002
Here is a few I found by searching all of about 1...

Here is a few I found by searching all of about 1 minute, exclusively for RV-6.
Forum: RV-12/RV-12iS 10-19-2022, 10:49 PM
Replies: 30
Views: 5,503
Posted By rvbuilder2002
If a 912 Rotax stops running in flight, it STOPS....

If a 912 Rotax stops running in flight, it STOPS.
It dos not windmill (well if you were diving at the ground when it stopped it might but not in normal flight attitudes).

That is why the procedure...
Forum: RV-12/RV-12iS 10-19-2022, 05:23 PM
Replies: 19
Views: 2,206
Posted By rvbuilder2002
You clearly have a low level of understanding of...

You clearly have a low level of understanding of what the L in LSA stands for and how much effort must constantly be put out to maximize its meaning ;)

Canon plugs are great for military aircraft. ...
Forum: RV General Discussion/News 10-19-2022, 01:06 AM
Replies: 15
Views: 1,324
Posted By rvbuilder2002
I hope you didn’t get the wrong impression……. We...

I hope you didn’t get the wrong impression……. We removed all the plastic from the parts while doing our teen build project, and people still thought we had polished it. Just a little bit of care goes...
Forum: RV-12/RV-12iS 10-18-2022, 12:47 PM
Replies: 19
Views: 2,206
Posted By rvbuilder2002
The process being discussed here is not using RTV...

The process being discussed here is not using RTV on the connect pins between two mating D subs, but the back side where the wires enter the D sub.
For your situation I would use a heavy application...
Forum: RV General Discussion/News 10-17-2022, 11:13 PM
Replies: 15
Views: 1,324
Posted By rvbuilder2002
I agree It is a lot of extra time (and often...

I agree

It is a lot of extra time (and often times a lot of scratches that are worse than if it hadn't been done), for very little pay back. With one exception being if someone plans to actually...
Forum: RV-12/RV-12iS 10-17-2022, 09:49 PM
Replies: 19
Views: 2,206
Posted By rvbuilder2002
I think it is RTV sealants that are usually...

I think it is RTV sealants that are usually acidic. Simple silicone sealants are not, and sensor safe RTV as well. In this case though, we haven't found that it matters because the sealant is only...
Forum: RV-12/RV-12iS 10-17-2022, 05:42 PM
Replies: 5
Views: 998
Posted By rvbuilder2002
Clarification - RV-12's updated with the remote...

Clarification -

RV-12's updated with the remote fuel tank vent will have the vent line exiting the top aft of the fuel tank just inboard of the fuel filler tube/neck, but it is not attached to it.
Forum: RV-12/RV-12iS 10-16-2022, 10:53 AM
Replies: 4
Views: 875
Posted By rvbuilder2002
Note - The info in the document above is related...

Note - The info in the document above is related to calibrating the pitch trim indicator and take-off position indicator. The info for checking the AST for proper travel deflections is in the PAP as...
Forum: RV-12/RV-12iS 10-14-2022, 11:20 PM
Replies: 30
Views: 5,503
Posted By rvbuilder2002
If I remember correctly, the timer that controls...

If I remember correctly, the timer that controls the automatic activation of start power doesn’t start until the starter motor circuit is activated by the key.
Forum: RV-14 10-14-2022, 02:08 PM
Replies: 5
Views: 1,011
Posted By rvbuilder2002
Baffle seals for aircraft engines are generally...

Baffle seals for aircraft engines are generally designed to lap on to something else so that positive pressure pushes them against that surface creating a seal.
The RV 14 inlet seals are designed the...
Forum: RV-6/6A 10-13-2022, 09:33 AM
Replies: 7
Views: 591
Posted By rvbuilder2002
If by “on the floor under the dash” you mean just...

If by “on the floor under the dash” you mean just aft of the firewall between the rudder pedals, that was the original location for the battery box on an RV-6, but it was not mounted with screws...
Forum: RV-9/9A 10-11-2022, 11:42 PM
Replies: 8
Views: 1,228
Posted By rvbuilder2002
Don’t risk damage by unriveting all of the ribs....

Don’t risk damage by unriveting all of the ribs.
No need for pop rivet dimple dies. Just use regular dies and a squeezer (pneumatic if you have one) and dimple as best you can.
The dimple won’t be...
Forum: RV General Discussion/News 10-11-2022, 11:20 AM
Replies: 21
Views: 2,317
Posted By rvbuilder2002
Technically 43.15 doesn’t apply to amateur built...

Technically 43.15 doesn’t apply to amateur built aircraft because the entirety of FAR 43 doesn’t apply as stated in the very first paragraph, but using one is still highly recommended.
Short of...
Forum: RV Building Tips/Techniques 10-11-2022, 12:23 AM
Replies: 8
Views: 960
Posted By rvbuilder2002
None But any air not passing through the cyl...

None
But any air not passing through the cyl fins when moving from the higher pressure in the upper plenum to the lower pressure in the lower part of the cowl, means degraded cooling performance....
Forum: RV General Discussion/News 10-10-2022, 08:36 PM
Replies: 21
Views: 2,317
Posted By rvbuilder2002
^ ^ ^ What Paul said Still wondering how...

^ ^ ^
What Paul said

Still wondering how conditional ever got in our E-AB vocabulary.
Forum: RV General Discussion/News 10-10-2022, 08:33 PM
Replies: 21
Views: 2,317
Posted By rvbuilder2002
Unusual outlier case. Never heard of it on a...

Unusual outlier case. Never heard of it on a personal owner policy.
Forum: RV Building Tips/Techniques 10-10-2022, 02:07 PM
Replies: 13
Views: 2,014
Posted By rvbuilder2002
Not you specifically Walt, apparently you just...

Not you specifically Walt, apparently you just happened to have made a comment recently.
I didn’t take the OP‘s comment as meaning he covered up bad rivets. It seemed he was saying there was enough...
Forum: RV Building Tips/Techniques 10-10-2022, 09:36 AM
Replies: 13
Views: 2,014
Posted By rvbuilder2002
Which is the primary reason I disagree with the...

Which is the primary reason I disagree with the often given advice of “you can’t use too much sealant.”
Forum: RV General Discussion/News 10-10-2022, 09:27 AM
Replies: 21
Views: 2,317
Posted By rvbuilder2002
My previous experience from situations like this,...

My previous experience from situations like this, are that the insurance company would have covered all repairs if the failure of the alternator had resulted in an accident which damaged other...
Forum: RV-12/RV-12iS 10-08-2022, 11:59 PM
Replies: 16
Views: 1,784
Posted By rvbuilder2002
It displays ground track which as long as the...

It displays ground track which as long as the gear isn’t badly out of alignment, is also aircraft heading.

That is how I do it.
Forum: RV Building Tips/Techniques 10-08-2022, 07:57 PM
Replies: 5
Views: 674
Posted By rvbuilder2002
Many times I don't recommend doing it with the...

Many times

I don't recommend doing it with the aluminum version (might be ok, I just don't), but on the stainless steel version it has never been a problem.
Forum: RV General Discussion/News 10-08-2022, 07:54 PM
Replies: 16
Views: 2,628
Posted By rvbuilder2002
Correct And the reason for that is that it hasn't...

Correct
And the reason for that is that it hasn't been dis-owned... it was replaced by the RV-7.
The RV-7 project was to update the RV-6 kit to the modernized style kit of the RV-8 and RV-9 (which...
Forum: RV-12/RV-12iS 10-05-2022, 03:29 PM
Replies: 3
Views: 737
Posted By rvbuilder2002
In technical terms (at least in regards to our...

In technical terms (at least in regards to our naming conventions at Van's), the spar cap is the heavy structure material (in the case of the RV-12, the laminated layers of bars) along the top and...
Forum: RV-12/RV-12iS 10-05-2022, 02:24 PM
Replies: 3
Views: 737
Posted By rvbuilder2002
The purpose of the metal protector strip is so...

The purpose of the metal protector strip is so that once the drill bit has drilled through the skins and spar flange (to enlarge the holes for the 5/32" rivets) the drill bit doesn't damage the edges...
Forum: RV-7/7A 10-04-2022, 04:45 PM
Replies: 15
Views: 1,823
Posted By rvbuilder2002
Well, your caliper shows your counter sink...

Well, your caliper shows your counter sink dimension diameter as .376 with the drawing showing the limit being .370, so technically you’re six thousandths over the limit.
I wouldn’t get too worried...
Forum: RV-7/7A 10-03-2022, 04:33 PM
Replies: 15
Views: 1,823
Posted By rvbuilder2002
A good place to start might be looking through...

A good place to start might be looking through the stickied thread at the top of the Build tips and tricks forum

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

I am not sure if it...
Forum: RV-14 10-02-2022, 03:36 PM
Replies: 23
Views: 4,824
Posted By rvbuilder2002
I have quite a bit of flight time in our 14A in...

I have quite a bit of flight time in our 14A in its prior configuration (before being upgraded to the EXP119 engine) and with the standard air induction system with the square filter it consistently...
Forum: RV Ongoing Maintenance Issues 10-02-2022, 01:57 PM
Replies: 14
Views: 1,896
Posted By rvbuilder2002
The K&N recharge kit we sell does indeed have a...

The K&N recharge kit we sell does indeed have a red color to the oil and after applied turns quite sticky.
Because of the way the K&N filter functions, I would not use one on my airplane without the...
Forum: Traditional Aircraft Engines 10-02-2022, 01:48 PM
Replies: 8
Views: 1,067
Posted By rvbuilder2002
The tab was added to the left front dam to shield...

The tab was added to the left front dam to shield the injector body from the dynamic flow it was exposed to, during early flight testing of the prototype RV-14, in order to alleviate fuel staining...
Forum: RV General Discussion/News 10-01-2022, 07:22 PM
Replies: 21
Views: 1,548
Posted By rvbuilder2002
I have no idea because it’s not from anything...

I have no idea because it’s not from anything published by us.

With as many RVs as get certified each year I would be surprised if this was this DAR’s first, so I hope he hasn’t been forcing people...
Forum: RV General Discussion/News 10-01-2022, 07:02 PM
Replies: 21
Views: 1,548
Posted By rvbuilder2002
You are correct. The allowable CG range is for...

You are correct. The allowable CG range is for the purpose of flight not what the empty CG is. I suggest that your friend do a couple of sample scenarios showing the worst case load situation at each...
Forum: RV-9/9A 09-28-2022, 06:13 PM
Replies: 36
Views: 3,277
Posted By rvbuilder2002
All I know is the first paragraph implies it is...

All I know is the first paragraph implies it is aircraft vintage specific.
Just because it is “what was done” doesn’t mean it was correct.
Forum: RV-9/9A 09-28-2022, 02:12 PM
Replies: 36
Views: 3,277
Posted By rvbuilder2002
Except it is now and never has been legal to do...

Except it is now and never has been legal to do with a Cessna 185 (If I understand FAR 91.323 (https://www.ecfr.gov/current/title-14/chapter-I/subchapter-F/part-91/subpart-D/section-91.323)...
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