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Search: Posts Made By: rvbuilder2002
Forum: RV General Discussion/News Yesterday, 10:27 PM
Replies: 11
Views: 324
Posted By rvbuilder2002
The Facet 40108 pump has fittings that are...

The Facet 40108 pump has fittings that are dimensionally the same as a flared AN -6 fitting.
Forum: RV-12 Yesterday, 12:41 PM
Replies: 8
Views: 1,749
Posted By rvbuilder2002
Don't mix up oil cooler and coolant...

Don't mix up oil cooler and coolant radiator.....

The RV-12 has always used a custom made radiator (not from Rotax)
Only the oil cooler is a a Rotax part.
Forum: RV-12 Yesterday, 12:04 PM
Replies: 9
Views: 593
Posted By rvbuilder2002
Depend on your interpretation of FAR 43, appendix...

Depend on your interpretation of FAR 43, appendix D I guess, but other than that you are correct, because unlike the RV12, none of the other models have a factory published inspection checklist. It...
Forum: RV General Discussion/News 06-22-2018, 11:47 AM
Replies: 33
Views: 1,419
Posted By rvbuilder2002
That is one exception that I forgot about. The...

That is one exception that I forgot about.
The intersection fairings that are available for all models except RV-14 do not have gelcoat because they are designed to have additional glass layers added...
Forum: RV General Discussion/News 06-22-2018, 08:42 AM
Replies: 33
Views: 1,419
Posted By rvbuilder2002
The grey is gelcoat. On pre-preg composite parts...

The grey is gelcoat.

On pre-preg composite parts (like your cabin top and cowl) there may still be some surface texture caused by the cloth weave that needs to be filled.

The best process for...
Forum: RV General Discussion/News 06-21-2018, 02:43 PM
Replies: 33
Views: 1,419
Posted By rvbuilder2002
RV wing tips have gelcoat so they don't generally...

RV wing tips have gelcoat so they don't generally need any pinhole filling except for the area right along the mold seam on the edge.
Are you coating the entire wing tip with smooth prime?
If so, you...
Forum: RV-12 06-21-2018, 10:48 AM
Replies: 12
Views: 2,143
Posted By rvbuilder2002
Oh, you mean this airplane...

Oh, you mean this airplane ?
https://www.edcoatescollection.com/ac3/Airline/Britt-%20Vercoa%20Beech%2099.jpg

;)
Forum: Safety 06-21-2018, 10:37 AM
Replies: 33
Views: 3,520
Posted By rvbuilder2002
Like Mike said, fuel lube will also act as a...

Like Mike said, fuel lube will also act as a sealant (particularly with fuel) since it will fill small gaps in the threads, so it works in the case of fuel drains, but it is not recommended as a...
Forum: Safety 06-21-2018, 09:36 AM
Replies: 33
Views: 3,520
Posted By rvbuilder2002
I disagree Jon Though NPT threads are an...

I disagree Jon

Though NPT threads are an interference fit, it does not produce an entirely sealed path through the threads. (There are specialty threads that do this but standard AN type fitting...
Forum: RV-12 06-21-2018, 09:21 AM
Replies: 40
Views: 3,666
Posted By rvbuilder2002
This post and discussion is in the RV-12 forum. ...

This post and discussion is in the RV-12 forum. Because of that I assume the RV-12 would be the context of the discussion. (and hopefully it is obvious that for an RV-12, 85 Kts is about 35 Kts too...
Forum: RV-14 06-21-2018, 09:16 AM
Replies: 6
Views: 511
Posted By rvbuilder2002
Vic beat me to it..... and to add a bit...

Vic beat me to it..... and to add a bit more.....

I think we do the readers on VAF a dis-service when we provide info of a specific case to justify that something is acceptable, even though it is...
Forum: RV General Discussion/News 06-20-2018, 11:42 PM
Replies: 398
Views: 1,422,700
Posted By rvbuilder2002
Interesting theory, but when testing the theory...

Interesting theory, but when testing the theory we need to consider that the vent design originates all the way back to the RV-4. There are 1000's of RV's with this design, many of them completed in...
Forum: RV General Discussion/News 06-20-2018, 01:17 PM
Replies: 33
Views: 1,419
Posted By rvbuilder2002
By squeegee I meant the process/action used, not...

By squeegee I meant the process/action used, not the actual tool.
I have used plastic scrapers, body filler spreaders, etc. Anything that will spread and the material being used and leave little...
Forum: RV-12 06-20-2018, 01:10 PM
Replies: 40
Views: 3,666
Posted By rvbuilder2002
Hopefully this wasn't training you paid a...

Hopefully this wasn't training you paid a professional transition training instructor for :eek:
Forum: RV General Discussion/News 06-20-2018, 12:05 PM
Replies: 33
Views: 1,419
Posted By rvbuilder2002
There are a lot of different ways of filling pin...

There are a lot of different ways of filling pin holes, that work. Each does require specific technique to be successful.

The most important which is applicable regardless what method is used, is...
Forum: RV General Discussion/News 06-20-2018, 10:54 AM
Replies: 20
Views: 1,354
Posted By rvbuilder2002
Yes, there are other aspects not being organized...

Yes, there are other aspects not being organized and managed by me (as Scott mentioned) that EAA is soliciting volunteer help for.
Forum: RV General Discussion/News 06-20-2018, 09:46 AM
Replies: 20
Views: 1,354
Posted By rvbuilder2002
As can be imagined by anyone who has any...

As can be imagined by anyone who has any experience building an RV, building even an RV-12 in 6.5 days is a major effort which requires a lot of advanced planning, etc.

Because of this, registration...
Forum: RV-12 06-19-2018, 04:55 PM
Replies: 40
Views: 3,666
Posted By rvbuilder2002
expanding on Mel's point.... If what the ASI told...

expanding on Mel's point....
If what the ASI told you was true, why would the FAA have gone to all of the trouble to implement the second pilot flight testing program?

It is unfortunate that a lot...
Forum: RV-14 06-18-2018, 03:32 PM
Replies: 6
Views: 680
Posted By rvbuilder2002
Two reasons - 1. - The electrical and avionics...

Two reasons -

1. - The electrical and avionics design and plans sections were still in the design phase when the canopy portion of the finish kit was completed. The canopy plans could have been...
Forum: RV General Discussion/News 06-18-2018, 09:11 AM
Replies: 31
Views: 2,748
Posted By rvbuilder2002
This is what we do on all of our aircraft. I have...

This is what we do on all of our aircraft.
I have tried all of the different clamps available but inevitably the cushion clamp is usually being installed at a location that makes them useless.
The...
Forum: RV-12 06-17-2018, 02:10 PM
Replies: 40
Views: 3,666
Posted By rvbuilder2002
Regarding personal attachment........

It looks like the post questioning whether an airplane builder would be more inclined to make flight decisions biased towards saving the airplane if things go bad, has been delete by the author or...
Forum: RV-12 06-17-2018, 01:53 PM
Replies: 40
Views: 3,666
Posted By rvbuilder2002
I couldn't agree more. The RV-12 PAP (production...

I couldn't agree more.
The RV-12 PAP (production acceptance procedure) was actually written in a specific way, so as to introduce a new RV-12 pilot to the airplane as much as it was to flight test...
Forum: RV-12 06-17-2018, 01:44 PM
Replies: 1
Views: 299
Posted By rvbuilder2002
It has been seen but I would say it is rare on...

It has been seen but I would say it is rare on 12's that have the brace installed.
If your blade pitch is close, start looking at other things that could induce airframe vibration. ( confirm a good...
Forum: RV-6/6A 06-16-2018, 10:12 AM
Replies: 22
Views: 1,879
Posted By rvbuilder2002
Good plan, but there are numerous things that are...

Good plan, but there are numerous things that are needed that wouldn't be an experiement/change, they are a given because your baffle installation is not even up to the typical standard...
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 06-15-2018, 03:53 PM
Replies: 19
Views: 1,840
Posted By rvbuilder2002
Chapter 15 of THIS FAA document...

Chapter 15 of THIS FAA document (https://www.faa.gov/documentLibrary/media/Order/FAA_Order_8130.2J.pdf) pretty much covers it.
Forum: RV-6/6A 06-15-2018, 12:52 PM
Replies: 22
Views: 1,879
Posted By rvbuilder2002
I wouldn't bother with trying the scoop until...

I wouldn't bother with trying the scoop until until you resolve some of the serious issues with your baffle installation that are evident in the photo links you posted.
Compare what you have to some...
Forum: RV-12 06-12-2018, 12:46 PM
Replies: 22
Views: 3,300
Posted By rvbuilder2002
Nice looking parts, but this thread is in the...

Nice looking parts, but this thread is in the RV-12 forum.
The extensions being talked about are for an entirely different purpose and fit on an entirely different rudder pedal design.
Forum: RV General Discussion/News 06-12-2018, 10:44 AM
Replies: 18
Views: 3,590
Posted By rvbuilder2002
It doesn't have to be unique to the Model #, it...

It doesn't have to be unique to the Model #, it has to be unique to the manufacturer.
Since you are the manufacturer, as long as you don't build two airplanes and designate the same serial # for...
Forum: RV General Discussion/News 06-11-2018, 11:16 AM
Replies: 16
Views: 1,627
Posted By rvbuilder2002
The coarsest sanded surface you should prime or...

The coarsest sanded surface you should prime or paint over is 320 grit.
For aluminum, scuffing with purple scotchbrite, enough to fully remove all of the gloss is sufficient for good adhesion.

What...
Forum: RV General Discussion/News 06-10-2018, 10:20 PM
Replies: 4
Views: 678
Posted By rvbuilder2002
I imagine if someone fails to think at all while...

I imagine if someone fails to think at all while washing the airplane and sprays a high pressure hose directly at the port from 4 inches away it could send water beyond the T, but service history of...
Forum: RV-8/8A 06-10-2018, 10:15 PM
Replies: 13
Views: 1,681
Posted By rvbuilder2002
Lots of...

Lots of advice................................

Just keep in mind that this is a primary structural load baring area which is exactly the reason that it was recommended to not install the...
Forum: RV-14 06-10-2018, 01:42 PM
Replies: 286
Views: 77,204
Posted By rvbuilder2002
The original purpose of this thread (I think) was...

The original purpose of this thread (I think) was to allow people to see how many people have started build an RV-14 up to any given point in time.

You are correct that a builder can designate any...
Forum: Safety 06-10-2018, 12:58 PM
Replies: 52
Views: 5,614
Posted By rvbuilder2002
Is not properly torquing jam nuts a reason to...

Is not properly torquing jam nuts a reason to change the design?

If that was done for every detail that people make mistakes on we would have to stop using the total performance description because...
Forum: Safety 06-10-2018, 12:05 PM
Replies: 52
Views: 5,614
Posted By rvbuilder2002
Adding a large are washer would distribute the...

Adding a large are washer would distribute the bending load of the rod end over a wider area but suggesting it is needed should require us to make lots of other changes because they would make...
Forum: RV-12 06-09-2018, 10:48 PM
Replies: 3
Views: 610
Posted By rvbuilder2002
Take a look at photos of the RV-12iS panel...

Take a look at photos of the RV-12iS panel (http://flyrv12.com/aircraft/the-new-rv-12is/)

All of the electrical modules in the panel are of new design to work with the new electrical system of the...
Forum: RV General Discussion/News 06-08-2018, 12:54 PM
Replies: 33
Views: 1,378
Posted By rvbuilder2002
Pretty standard for all the RV's that have wing...

Pretty standard for all the RV's that have wing tanks. Because the senders are located in the most inboard bay of the tank, and with the dihedral angle there is fuel in the outboard portion of the...
Forum: Safety 06-06-2018, 11:25 PM
Replies: 52
Views: 5,614
Posted By rvbuilder2002
I have been using torque seal on jam nuts for 25...

I have been using torque seal on jam nuts for 25 + years when I finish torquing them. I have never found one loose that had been proper torqued at installation (The torque seal being the reminder...
Forum: RV-12 06-05-2018, 09:25 AM
Replies: 2
Views: 487
Posted By rvbuilder2002
A CS4-4 rivet is a Counter Sunk / flush...

A CS4-4 rivet is a Counter Sunk / flush rivet.

Because of that, the hole it goes in must be prepared in some way for a flush rivet (dimple countersunk or machine countersunk).

The hole pointed to...
Forum: RV-6/6A 06-04-2018, 07:40 PM
Replies: 13
Views: 861
Posted By rvbuilder2002
There is, but the long one was only developed for...

There is, but the long one was only developed for use on an RV-7 with a light engine and prop. It would never be shipped with an RV-6 finish kit unless someone specifically did a special order for...
Forum: RV-6/6A 06-04-2018, 07:38 PM
Replies: 13
Views: 861
Posted By rvbuilder2002
I am aware of that Gil, but I think you know what...

I am aware of that Gil, but I think you know what I mean.
Forum: RV-6/6A 06-04-2018, 05:34 PM
Replies: 13
Views: 861
Posted By rvbuilder2002
Your clearance concerns are valid, but your...

Your clearance concerns are valid, but your description of the mis fit makes no sense.

The original (non constant speed) cowl used a 4 inch thick prop extension vs the 2 1/4 that is used with the CS...
Forum: RV General Discussion/News 06-04-2018, 03:45 PM
Replies: 11
Views: 1,522
Posted By rvbuilder2002
Still has to be displayed. That is why I...

Still has to be displayed.

That is why I mentioned it can be a bit of a pain because you are not allowed to cut/modify it in any way, but you have to get it folded up to fit in a document pouch...
Forum: RV-12 06-04-2018, 10:58 AM
Replies: 10
Views: 2,647
Posted By rvbuilder2002
They do have an influence. The wheel pant kit is...

They do have an influence.
The wheel pant kit is supplied with info regarding the typical weight and C.G. influence when installing the wheel pants (Close enough for amending the weight and balance...
Forum: RV-6/6A 06-04-2018, 09:58 AM
Replies: 13
Views: 861
Posted By rvbuilder2002
Is this a new cowl installation that you are just...

Is this a new cowl installation that you are just starting?

The aft edge of the cowl always requires some amount of trimming.

A cowl labeled CS means it is the constant speed or fixed pitch version...
Forum: RV General Discussion/News 06-04-2018, 09:48 AM
Replies: 11
Views: 1,522
Posted By rvbuilder2002
I posted about this last month but it was buried...

I posted about this last month but it was buried in a thread about another subject......

http://www.vansairforce.com/community/showpost.php?p=1261260&postcount=20
Forum: RV-12 06-04-2018, 08:55 AM
Replies: 3
Views: 670
Posted By rvbuilder2002
Your local prop shop is bothered because a...

Your local prop shop is bothered because a traditional dynamic balance is dynamically balancing the propeller and crankshaft of the engine as a complete assembly.
They are correct in their thinking...
Forum: RV-12 06-04-2018, 08:33 AM
Replies: 18
Views: 2,955
Posted By rvbuilder2002
The correct value is what is specified in the...

The correct value is what is specified in the manual (18 lbs I think).

Too high, or too low both cause there own (but different) issues.
Forum: RV General Discussion/News 06-04-2018, 08:15 AM
Replies: 10
Views: 1,101
Posted By rvbuilder2002
That would be correct. As the text in the...

That would be correct.
As the text in the description at the link posted by the O.P. says "Requires some tank sealant (MC-236-B2 ) to bond a new flange within the old flange."
Forum: RV-12 06-03-2018, 11:42 PM
Replies: 18
Views: 2,955
Posted By rvbuilder2002
I have spent entire afternoons doing RV-12 demo...

I have spent entire afternoons doing RV-12 demo flights at OSH with a direct left 90 degree cross wind of about 15 Kts (wind sock standing straight out).

The only challenge was during the take off...
Forum: RV-6/6A 06-02-2018, 06:31 PM
Replies: 15
Views: 1,583
Posted By rvbuilder2002
Did the experienced VAF members mention that by...

Did the experienced VAF members mention that by design the aileron is slightly thicker than the profile of the wing, so the top should be above the skin of the wing slightly (like you have depicted...
Forum: RV General Discussion/News 06-01-2018, 01:11 PM
Replies: 16
Views: 1,367
Posted By rvbuilder2002
Other who fly competitively can probably help...

Other who fly competitively can probably help more, but I do do aero with a carb......

To make a loop round, you do need to easy off the pull while transitioning through the top. A carb. just...
Forum: RV-7/7A 05-31-2018, 08:34 PM
Replies: 5
Views: 674
Posted By rvbuilder2002
Depends on your interpretation of FAR 91 and FAA...

Depends on your interpretation of FAR 91 and FAA Order 8130.2J
The EAA has a pretty good...
Forum: RV General Discussion/News 05-31-2018, 03:13 PM
Replies: 4
Views: 362
Posted By rvbuilder2002
Clarification.... As long as no compensation is...

Clarification....
As long as no compensation is involved, related to the use of the airplane.
A CFI can be paid for his time for the purpose of giving flight instruction in your RV.
Forum: RV General Discussion/News 05-31-2018, 09:49 AM
Replies: 4
Views: 735
Posted By rvbuilder2002
Incoming calls from cell phones are currently not...

Incoming calls from cell phones are currently not working.
Calls from land lines work fine.

The phone service provider is working on it.
Forum: RV-14 05-31-2018, 08:14 AM
Replies: 3
Views: 558
Posted By rvbuilder2002
The RV-14 has two heat muffs. The heater...

The RV-14 has two heat muffs.

The heater performance is very good without trying to seal every tiny hole in the muffs.
Out-gassing from any sealant used on the hot muffs (attached directly to the...
Forum: RV-7/7A 05-30-2018, 03:31 PM
Replies: 37
Views: 5,799
Posted By rvbuilder2002
People often wonder why their fixed pitch prop RV...

People often wonder why their fixed pitch prop RV is slow compared to others (or the perf. #'s quoted by Van's)....

This little tidbit from Smokey is the key.

If you choose a prop pitch to make...
Forum: RV-12 05-30-2018, 01:04 PM
Replies: 7
Views: 773
Posted By rvbuilder2002
The way you did it is correct.

The way you did it is correct.
Forum: RV-12 05-29-2018, 10:25 AM
Replies: 7
Views: 1,791
Posted By rvbuilder2002
There has been communications with Matco in an...

There has been communications with Matco in an attempt to gain an understanding of what the problem might be.

It seems that occasionally an axle doesn't have fully cleaned up threads at the bottom...
Forum: RV Ongoing Maintenance Issues 05-28-2018, 06:59 PM
Replies: 10
Views: 1,453
Posted By rvbuilder2002
You likely notice in Desser's chart that it is a...

You likely notice in Desser's chart that it is a one pressure for all aircraft, recommendation. Not very practical considering aircraft using the listed tires have a wide range of max. gross...
Forum: Alternative Engines 05-26-2018, 09:59 AM
Replies: 19
Views: 1,247
Posted By rvbuilder2002
Note that it says "designed for". It may meet...

Note that it says "designed for".

It may meet all of the ASTM design requirements for LSA, but if it doesn't meet the FAA's basic requirements (reciprocating engine) then it still doesn't...
Forum: RV Building Tips/Techniques 05-25-2018, 12:53 PM
Replies: 7
Views: 650
Posted By rvbuilder2002
Tank sealant if not a good material choice for...

Tank sealant if not a good material choice for this.

Once cured it is a somewhat flexible rubbery substance.
not something you want filling a gap on a structural joint.
Using it between two tightly...
Forum: RV-12 05-25-2018, 09:12 AM
Replies: 5
Views: 1,088
Posted By rvbuilder2002
Light surface rust of uncoated 4130 steel would...

Light surface rust of uncoated 4130 steel would be normal. As long as there is no pitting, it should be fine to blast them clean and powderer coat or paint.
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