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Search: Posts Made By: rvbuilder2002
Forum: RV-8/8A Yesterday, 12:41 PM
Replies: 17
Views: 695
Posted By rvbuilder2002
1 PSI is enough. Note that I said no more than...

1 PSI is enough.

Note that I said no more than 2-3 PSI. I didn't say Use 2-3 PSI. The point I was trying to make but apparently failed to was that "Anything more than 2-3 PSI could damage the...
Forum: RV-8/8A Yesterday, 10:21 AM
Replies: 17
Views: 695
Posted By rvbuilder2002
Reading this makes me think you had your tank...

Reading this makes me think you had your tank pressurized way beyond what is intended for the pressure test.

Assuming that others may be doing the same I will describe what is intended (which I...
Forum: RV-8/8A 05-17-2019, 12:44 PM
Replies: 17
Views: 695
Posted By rvbuilder2002
True, auto fuel will make a stain, but it takes a...

True, auto fuel will make a stain, but it takes a lot more of it for a much longer period of time, for it to show.

The difficulty in sealing every single leak path (fuel cap, etc.) is why the...
Forum: RV-14 05-17-2019, 10:47 AM
Replies: 4
Views: 424
Posted By rvbuilder2002
92 At the front page of the web site just barely...

92

At the front page of the web site just barely down from the top.... click on the hobbs meter.

https://www.vansaircraft.com/
Forum: RV-9/9A 05-15-2019, 10:56 AM
Replies: 15
Views: 1,003
Posted By rvbuilder2002
Good advice (since the photos the OP originally...

Good advice (since the photos the OP originally posted indicated that the flaps and the ailerons are mis-rigged), but, this advice is only valid if it has been confirmed that the flaps and ailerons...
Forum: RV-14 05-13-2019, 12:23 PM
Replies: 11
Views: 2,022
Posted By rvbuilder2002
I personally did a lot of flight testing through...

I personally did a lot of flight testing through heavy rain and hose testing on the ground while the seals were being designed and checked.

If the hinge covers are leaking it is like not related to...
Forum: RV-6/6A 05-13-2019, 11:08 AM
Replies: 6
Views: 345
Posted By rvbuilder2002
There are variables that must be considered when...

There are variables that must be considered when switching from a fixed pitch to constant speed prop.
It is primarily related to the vintage of cowl that was used when the airplane was built.
Early...
Forum: Propellers 05-12-2019, 11:24 PM
Replies: 7
Views: 634
Posted By rvbuilder2002
As you climb the RPM will reduce. That is why a...

As you climb the RPM will reduce.

That is why a prop that most people would consider a climb prop is also a good cruise prop at higher altitudes (11K-12K range).

Unless you plan to never go above...
Forum: RV-14 05-12-2019, 11:16 PM
Replies: 24
Views: 2,749
Posted By rvbuilder2002
The specified difference is about 350 FPM but...

The specified difference is about 350 FPM but that is with the RV-14 carrying an additional 100 lbs of useful load (~800, vs the RV-7's 700).
With that taken into account the the climb capability is...
Forum: RV-14 05-12-2019, 02:24 PM
Replies: 6
Views: 412
Posted By rvbuilder2002
Correct And keep in mind that we are using a...

Correct
And keep in mind that we are using a paper template that will only flat wrap in one plane by the shape we are trying top define is compound (it is curving in multiple directions). That makes...
Forum: Alternative Engines 05-12-2019, 09:13 AM
Replies: 183
Views: 36,720
Posted By rvbuilder2002
Possible, but it was probably the primary (and...

Possible, but it was probably the primary (and only) fuel tank.
Early RV-3's had just a single tank mounted fwd of the instrument panel (similar to a J3 Cub). There was no other fuel tank(s).

A...
Forum: RV General Discussion/News 05-10-2019, 03:22 PM
Replies: 3
Views: 422
Posted By rvbuilder2002
Manufacturers don't require an overhaul... they...

Manufacturers don't require an overhaul... they require an inspection (which requires fully disassembling the engine so an overhaul is often done at the same time).

The exact same bad outcomes can...
Forum: RV-9/9A 05-10-2019, 03:16 PM
Replies: 15
Views: 1,003
Posted By rvbuilder2002
I'm not surprised As I mentioned it looks like...

I'm not surprised
As I mentioned it looks like your ailerons and flaps are both miss rigged. This wont necessarily cause a roll trim problem any more than flying around with your flaps partially...
Forum: RV-9/9A 05-10-2019, 10:49 AM
Replies: 15
Views: 1,003
Posted By rvbuilder2002
It looks like the flaps and the ailerons are...

It looks like the flaps and the ailerons are mis-rigged, but there can be numerous other things that can cause mis-alignments between wing tips ailerons and flaps and fuselage. One major one is...
Forum: Safety 05-09-2019, 09:09 AM
Replies: 53
Views: 4,182
Posted By rvbuilder2002
I am not going to argue fore or against full time...

I am not going to argue fore or against full time use of a chute when flying, but when discussing stats and other details as part of that decision process, we should consider the full scope not just...
Forum: RV-8/8A 05-07-2019, 09:12 AM
Replies: 2
Views: 564
Posted By rvbuilder2002
The standard flap motor supplied in the kit has a...

The standard flap motor supplied in the kit has a round shaft. The only portion that is hex is the jam nut for the rod end. Could it be that small hex portion that you are thinking of?

In the...
Forum: RV-12/RV-12iS 05-06-2019, 09:29 PM
Replies: 102
Views: 26,375
Posted By rvbuilder2002
Not much value as info for the tube being...

Not much value as info for the tube being discussed though since it is about 2 inches in diam.
Forum: RV-12/RV-12iS 05-05-2019, 06:57 PM
Replies: 102
Views: 26,375
Posted By rvbuilder2002
The translucent hose was very stiff and difficult...

The translucent hose was very stiff and difficult to install, and once a bunch of time in service was accumulated the longevity with exposure to auto fuel became suspect so a change was made to the...
Forum: RV-6/6A 05-02-2019, 11:09 PM
Replies: 23
Views: 2,245
Posted By rvbuilder2002
I agree. There are many factors that can have an...

I agree.

There are many factors that can have an influence on control surface skin cracking. A strong indicator of this is that there are a lot of RV's with a good amount of accumulated flight time...
Forum: RV General Discussion/News 04-30-2019, 03:34 PM
Replies: 140
Views: 12,778
Posted By rvbuilder2002
Everyone's brain works a bit different... as long...

Everyone's brain works a bit different... as long as it meets the requirements it should be no problem.

I would have to double check my memory but I think there is a requirement that if the tower...
Forum: RV Building Tips/Techniques 04-30-2019, 01:10 PM
Replies: 7
Views: 621
Posted By rvbuilder2002
It has been designed but is not in production...

It has been designed but is not in production yet.

Pretty easy to make DIY though.
Forum: RV General Discussion/News 04-30-2019, 12:51 PM
Replies: 140
Views: 12,778
Posted By rvbuilder2002
I use "experimental RV 123RV" for first call and...

I use "experimental RV 123RV" for first call and then RV 123RV there after.

All of the RV's have pretty close to the same performance so it provides teh controller with useful information (as...
Forum: RV General Discussion/News 04-30-2019, 10:48 AM
Replies: 140
Views: 12,778
Posted By rvbuilder2002
I do. Home base airport tower has said they...

I do.
Home base airport tower has said they prefer to have you identified as such when calling ground because the ground controller hands off the info to the local controller (when they are busy...
Forum: RV General Discussion/News 04-30-2019, 08:37 AM
Replies: 140
Views: 12,778
Posted By rvbuilder2002
I find these types of threads amusing...... The...

I find these types of threads amusing......

The FAR's and (some) operating limitations require the pilot to identify his aircraft as experimental on first contact with a control tower. It is not...
Forum: RV Building Tips/Techniques 04-29-2019, 11:13 PM
Replies: 7
Views: 621
Posted By rvbuilder2002
A lot of RV's are flying with Dynon ADAHRS...

A lot of RV's are flying with Dynon ADAHRS mounted in the upper tail cone area. (Including my personal 6A). Even with an AP pitch servo installed near the pitch control reversal bell crank.
When the...
Forum: RV General Discussion/News 04-27-2019, 11:08 PM
Replies: 5
Views: 696
Posted By rvbuilder2002
This is very good advice and is relevant to all...

This is very good advice and is relevant to all the RV models except the 12.

Pitch system friction can have a serious influence on pitch stability if it is bad enough.

Besides the elevator hinge...
Forum: RV-14 04-26-2019, 12:57 PM
Replies: 13
Views: 1,369
Posted By rvbuilder2002
Using less experienced help, you may want to...

Using less experienced help, you may want to consider one of these

http://www.cleavelandtool.com/Swivel-Mushroom-Set/productinfo/RSMS75/#.XMNT2-hKiUk

As shown in the photo Bill...
Forum: RV General Discussion/News 04-25-2019, 10:59 AM
Replies: 10
Views: 838
Posted By rvbuilder2002
My guess would be that there were other...

My guess would be that there were other influences that would have given you the same result whether you had the extra weight or not.

As already mentioned, a further aft C.G. should make the...
Forum: Safety 04-25-2019, 10:54 AM
Replies: 26
Views: 2,157
Posted By rvbuilder2002
Is the switch you used, located very close to the...

Is the switch you used, located very close to the battery?

If not, and the battery cable passes through any structure (such as the firewall) to get to your switch, you have a rather large current...
Forum: RV-6/6A 04-25-2019, 07:37 AM
Replies: 14
Views: 1,280
Posted By rvbuilder2002
Maybe it is something different with your carb....

Maybe it is something different with your carb. or available cable travel.
All 3 of the carb equiped airplanes I maintain (a nix of O-320 and O-360... 1 of them my own 6A) work normally but there is...
Forum: RV-6/6A 04-24-2019, 10:57 PM
Replies: 14
Views: 1,280
Posted By rvbuilder2002
I think your mixture travel problem is probably...

I think your mixture travel problem is probably related to the extension that appears to have been added to the mixture control arm.
The standard mixture cable has just enough travel to work when...
Forum: RV-14 04-21-2019, 08:15 PM
Replies: 1
Views: 562
Posted By rvbuilder2002
Hopefully not, since I would hope that people...

Hopefully not, since I would hope that people will at least to some level consider them copyrighted, but you still have access to a lot of them right off of Van's web site. Any sections that have...
Forum: RV-14 04-19-2019, 04:10 PM
Replies: 3
Views: 647
Posted By rvbuilder2002
The upper bolts are mostly in tension but there...

The upper bolts are mostly in tension but there is some shear load.
The shear load is easily taken by the close fit of the 3/8" hole in the thick washer on the mount.
For the tension load, the...
Forum: RV General Discussion/News 04-18-2019, 12:45 PM
Replies: 9
Views: 532
Posted By rvbuilder2002
The RV-14 manual recommends clear silicone...

The RV-14 manual recommends clear silicone sealant. Has been working well.
Forum: RV General Discussion/News 04-15-2019, 10:13 PM
Replies: 3
Views: 446
Posted By rvbuilder2002
A static system never has positive pressure...

A static system never has positive pressure (above ambient baro pressure) so a test is typically done by pulling a slight vacuum on the system.

When there is two static ports one must be blocked...
Forum: RV-12/RV-12iS 04-15-2019, 03:26 PM
Replies: 6
Views: 852
Posted By rvbuilder2002
My experience indicates that the carbs on the ULS...

My experience indicates that the carbs on the ULS are a bit on the rich side when in the throttle mid range.
If you do a bunch of run time there such as a very long decent and then shut down as soon...
Forum: RV-12/RV-12iS 04-15-2019, 01:05 PM
Replies: 9
Views: 1,185
Posted By rvbuilder2002
I'm a bit late to the conversation, but if I were...

I'm a bit late to the conversation, but if I were to guess I would have said about 20 hours.
Forum: RV-14 04-14-2019, 08:40 PM
Replies: 7
Views: 838
Posted By rvbuilder2002
I can't give you an explanation as to why, but I...

I can't give you an explanation as to why, but I wouldn't worry about it.
It is just a cable guide under very low load so as long as it seems well secured it should be fine.
On any with protruding...
Forum: RV-14 04-14-2019, 09:29 AM
Replies: 8
Views: 661
Posted By rvbuilder2002
Unless you use NAS1097 rivets.

Unless you use NAS1097 rivets.
Forum: RV General Discussion/News 04-14-2019, 08:03 AM
Replies: 9
Views: 874
Posted By rvbuilder2002
Isocyanates are the very bad for you stuff that...

Isocyanates are the very bad for you stuff that is in a lot of paints now a days, so I think you probably mean cyanoacrylate. The compound technical name for most "super glues".

I personally would...
Forum: RV-12/RV-12iS 04-13-2019, 01:15 PM
Replies: 15
Views: 1,223
Posted By rvbuilder2002
I agree. That is why I said a pro should be able...

I agree. That is why I said a pro should be able to get close to .01.
I regularly get final values of .02 or .03 (though not meaning to imply I am a pro.... I only do 3 or 4 per year)
Forum: Safety 04-13-2019, 01:11 PM
Replies: 50
Views: 5,704
Posted By rvbuilder2002
I hope anyone reading this thread will keep in...

I hope anyone reading this thread will keep in mind that everything posted here is for the most part speculation.

My personal position is that there is no way I would purposely subject myself to a...
Forum: RV-12/RV-12iS 04-13-2019, 12:55 PM
Replies: 4
Views: 613
Posted By rvbuilder2002
Which is why the KAI recommends a procedure of...

Which is why the KAI recommends a procedure of using a soap bubble test.
If you already have the tank slightly pressurized anyway, it takes only a small additional effort to brush a soap solution...
Forum: RV-12/RV-12iS 04-13-2019, 12:50 PM
Replies: 15
Views: 1,223
Posted By rvbuilder2002
Hopefully you mean .01 .1 is not horribly bad but...

Hopefully you mean .01
.1 is not horribly bad but when paying a professional do it, they should be able to get it very close to .01.


BTW, the acceleration value that is considered noticeable is .07...
Forum: Safety 04-12-2019, 05:14 PM
Replies: 44
Views: 3,357
Posted By rvbuilder2002
If memory is correct, this accident occurred...

If memory is correct, this accident occurred years before the second pilot program was even talked about so it was technically an illegal flight.

Not that it matters really, but I am in full...
Forum: RV General Discussion/News 04-11-2019, 10:16 PM
Replies: 60
Views: 8,432
Posted By rvbuilder2002
This thread may give you some useful...

This thread may give you some useful information.

http://www.vansairforce.com/community/showthread.php?t=167559
Forum: RV-12/RV-12iS 04-11-2019, 10:07 PM
Replies: 24
Views: 2,526
Posted By rvbuilder2002
Yup I figured the thread had drifted far enough...

Yup
I figured the thread had drifted far enough from the center line as it was so wasn't going to go even farther with the nitty gritty.
Forum: RV-12/RV-12iS 04-11-2019, 03:41 PM
Replies: 24
Views: 2,526
Posted By rvbuilder2002
Gotta I wasn't thinking in that context because...

Gotta

I wasn't thinking in that context because the conversation seemed to be related to resale value.
Doing a modification to an S-LSA compliant RV-12 (whether it be E-LSA or E-AB), that made it...
Forum: RV-12/RV-12iS 04-11-2019, 10:48 AM
Replies: 24
Views: 2,526
Posted By rvbuilder2002
In the context of the RV-12 at least, I don't...

In the context of the RV-12 at least, I don't think it really matters, since a sport pilot can fly an E-AB or E-LSA RV-12, as long as they both meet the performance requirements of light sport. The...
Forum: RV-12/RV-12iS 04-11-2019, 08:17 AM
Replies: 8
Views: 706
Posted By rvbuilder2002
This is not correct. An E-LSA is still an...

This is not correct.

An E-LSA is still an experimental aircraft.
True, to qualify for E-LSA you have to build it exactly per the KAI and present it that way for certification.
After certification...
Forum: Safety 04-10-2019, 08:15 AM
Replies: 22
Views: 3,389
Posted By rvbuilder2002
Context can be difficult with written word at...

Context can be difficult with written word at times.....

The answer depends on whether the overhaul was done before or after the prop strike.

If before, there could be numerous different monsters...
Forum: RV-14 04-09-2019, 11:22 AM
Replies: 6
Views: 1,250
Posted By rvbuilder2002
The intent is for the tape to be applied to the...

The intent is for the tape to be applied to the accessible portion of the outside of the window... on the window it self, adjacent to the skin edge.
The primary purpose of the tape at this point is...
Forum: Alternative Engines 04-08-2019, 03:41 PM
Replies: 357
Views: 46,193
Posted By rvbuilder2002
It is easy to make inserts of varying radii to...

It is easy to make inserts of varying radii to use in a traditional (sharp nosed)
or home made bending break.

Just cut a few strips of thin (~ .020) material about 2" wide.
Bend one with the...
Forum: RV-7/7A 04-08-2019, 10:55 AM
Replies: 11
Views: 2,791
Posted By rvbuilder2002
The original RV-9 plans were for a battery tray...

The original RV-9 plans were for a battery tray that fit a standard 25 size battery on the firewall because the Odysee wasn't in common use then, so it could be done.
If you do the W&B computations...
Forum: RV General Discussion/News 04-08-2019, 10:48 AM
Replies: 43
Views: 6,309
Posted By rvbuilder2002
In case it wasn't clear, my comment was regarding...

In case it wasn't clear, my comment was regarding the landing example in the video you were referencing......

Tri-gear airplane.... flat / 3 point touch down :(
Forum: RV General Discussion/News 04-08-2019, 09:16 AM
Replies: 43
Views: 6,309
Posted By rvbuilder2002
Hopefully if you are teaching RV pilots to land...

Hopefully if you are teaching RV pilots to land "A" models, you aren't teaching them to land flat (3 point).
Forum: RV-12/RV-12iS 04-07-2019, 12:06 PM
Replies: 15
Views: 1,535
Posted By rvbuilder2002
It would be helpful to have more details....

It would be helpful to have more details.
Standard avionics kit from Van's?
Skyview? Garmin.
Forum: RV General Discussion/News 04-06-2019, 10:06 PM
Replies: 4
Views: 1,117
Posted By rvbuilder2002
Fuel dye BTW, it is good practice to have a...

Fuel dye

BTW, it is good practice to have a drain hose/line connected to the valve so that excess fuel that drains out goes overboard instead of laying in the bottom of your cowl.
Forum: RV-14 04-05-2019, 08:22 AM
Replies: 5
Views: 552
Posted By rvbuilder2002
These part usually don't statically lay with the...

These part usually don't statically lay with the holes aligned.
Can you get clecos in the holes? If so, then don't worry about the misalignment.
If not, then other measures may be required. Usually...
Forum: RV General Discussion/News 04-04-2019, 09:12 PM
Replies: 28
Views: 2,964
Posted By rvbuilder2002
Ok My original question earlier (the one you...

Ok
My original question earlier (the one you quoted) was related to a post saying that there was specific testing for ADSB out, so I guess that is why I didn't understand how your comment related to...
Forum: RV-6/6A 04-04-2019, 09:05 PM
Replies: 36
Views: 3,401
Posted By rvbuilder2002
One difference would be that the horizontal...

One difference would be that the horizontal induction RV-8 cowl was designed from the start to have the cooling inlets and outlet sized for the 200 HP angle valve engine.
The standard RV-6 cowl was...
Forum: RV-9/9A 04-04-2019, 09:01 PM
Replies: 3
Views: 494
Posted By rvbuilder2002
The best check list, is the list of names of...

The best check list, is the list of names of highly experienced people that do inspections on RV's (especially if the have expertise in the specific model being considered), and then use it to choose...
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