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Search: Posts Made By: rvbuilder2002
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) Yesterday, 06:28 PM
Replies: 15
Views: 1,053
Posted By rvbuilder2002
One big difference with birds is that from my...

One big difference with birds is that from my experience, they can be quite good at avoiding airplanes.

I am not a drone own either but I plane to be.
What i will do is follow the rules. All of...
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) Yesterday, 03:33 PM
Replies: 15
Views: 1,053
Posted By rvbuilder2002
Some drones can achieve 60MPH or more so this...

Some drones can achieve 60MPH or more so this type of an impact on an M20 (or an RV) is entirely possible.
Forum: RV-12 Yesterday, 02:08 PM
Replies: 10
Views: 618
Posted By rvbuilder2002
I agree The rivets labeled good, are not...

I agree

The rivets labeled good, are not good.
Either the tool that is being used, or the technique being used is suspect.
Forum: RV-14 10-15-2018, 12:49 PM
Replies: 12
Views: 1,346
Posted By rvbuilder2002
Is that one of the foam ribs visible inside? If...

Is that one of the foam ribs visible inside?

If so, it doesn't look like it is entirely bonded to the skin and it looks like it is a bit too tall, causing the skins to be spread apart. The aft end...
Forum: RV General Discussion/News 10-14-2018, 07:08 PM
Replies: 15
Views: 982
Posted By rvbuilder2002
You mean the manual I help write??????????? ...

You mean the manual I help write??????????? :rolleyes:

I agree that the prevailing torque of an AN365 10-32 nut is not very high and wont have a very large influence, but the OP's question was...
Forum: RV General Discussion/News 10-14-2018, 04:59 PM
Replies: 15
Views: 982
Posted By rvbuilder2002
You do if it is influencing the value measured by...

You do if it is influencing the value measured by a torque wrench.

The torque value in most charts referenced by RV builders is for a plain nut. If a self locking nut (or nutplate) is being used...
Forum: RV General Discussion/News 10-14-2018, 01:40 PM
Replies: 15
Views: 982
Posted By rvbuilder2002
The most accurate way is to purchase a dial style...

The most accurate way is to purchase a dial style torque wrench but the following is close enough....

Incrementally adjust your torque wrench to find the torque value where your torque wrench just...
Forum: RV-12 10-14-2018, 01:35 PM
Replies: 4
Views: 574
Posted By rvbuilder2002
Is there no more than .1 degree measured...

Is there no more than .1 degree measured difference between the pitch angle of the two blades?

Pitch difference will cause vibration.

I have never seen the indexing barrel of adjustment pins (newer...
Forum: RV General Discussion/News 10-14-2018, 08:59 AM
Replies: 6
Views: 595
Posted By rvbuilder2002
Nordlock washers are used on the RV-12 prop...

Nordlock washers are used on the RV-12 prop bolts.

I have not yet had a situation where I had to replace any.
Forum: RV-12 10-11-2018, 05:32 PM
Replies: 13
Views: 1,670
Posted By rvbuilder2002
Airplanes are designed to meet many requirements...

Airplanes are designed to meet many requirements that are influenced by speed.

One of them is flutter, but there are numerous others.

One important one is design considerations for gust...
Forum: RV General Discussion/News 10-08-2018, 08:57 PM
Replies: 13
Views: 831
Posted By rvbuilder2002
Search the forum archives for many discussions of...

Search the forum archives for many discussions of this symptom.
In a nut shell, tank sealant will break down and turn to goo with extended exposure to evaporating fuel caused by a leak.
You likely...
Forum: RV-12 10-08-2018, 03:10 PM
Replies: 16
Views: 1,422
Posted By rvbuilder2002
Correct My comment was in the context of a dusty...

Correct

My comment was in the context of a dusty environment from using a scotchbrite wheel for deburring (the topic of this discussion)

Protection from paint is a totally different discussion and...
Forum: RV-4 10-08-2018, 10:49 AM
Replies: 9
Views: 662
Posted By rvbuilder2002
Looks like you have the older (pre 2000 or so???)...

Looks like you have the older (pre 2000 or so???) version of the baffle kit.
The latest version has a wrap / curve in the inboard (steel barrel portion) of the left side so that the upper portion...
Forum: RV-12 10-08-2018, 09:17 AM
Replies: 16
Views: 1,422
Posted By rvbuilder2002
Since we work in a dusty environment on a regular...

Since we work in a dusty environment on a regular basis everyone in our shop uses one of...
Forum: RV-12 10-07-2018, 11:52 PM
Replies: 61
Views: 10,183
Posted By rvbuilder2002
True, but it was released more than two years ago...

True, but it was released more than two years ago and has no changes that would be considered significant to an RV-12
Forum: Primers 10-07-2018, 02:30 PM
Replies: 18
Views: 883
Posted By rvbuilder2002
Epoxy primer Adhesion issues with self etching...

Epoxy primer

Adhesion issues with self etching primer are probably much less likely to occur with a delay of a few days.

If it is a plain epoxy primer, there is no way I would go more than 24...
Forum: RV-12 10-07-2018, 01:58 PM
Replies: 16
Views: 1,422
Posted By rvbuilder2002
Scotchbrite wheels come in many different grades...

Scotchbrite wheels come in many different grades (just like sandpaper and scotchbrite pads)

The rate they wear depends on the one used, and how it is used, and not so much how fast it is turned. ...
Forum: RV-10 10-05-2018, 01:42 PM
Replies: 22
Views: 1,852
Posted By rvbuilder2002
There was static load testing done of the cabin...

There was static load testing done of the cabin top to evaluate rollover protection design.
The test article had the windscreen and side windows bonded in using the method prescribed in the build...
Forum: RV-12 10-05-2018, 11:24 AM
Replies: 5
Views: 758
Posted By rvbuilder2002
No, It is not.

No, It is not.
Forum: Propellers 10-04-2018, 03:19 PM
Replies: 14
Views: 1,071
Posted By rvbuilder2002
The most efficient means of adding weight fwd...

The most efficient means of adding weight fwd would be to switch to using a Steel prop extension (assuming the one you have now is aluminum.

Doing so puts the added mass as far fwd as possible and...
Forum: RV-10 10-04-2018, 08:18 AM
Replies: 22
Views: 1,852
Posted By rvbuilder2002
Consider how big the windshield is..... The...

Consider how big the windshield is.....

The attachment of the base to the fuselage should be considered somewhat structural in the context of the windshield. I.E., this is more than a simple...
Forum: RV-14 10-03-2018, 08:11 AM
Replies: 25
Views: 3,606
Posted By rvbuilder2002
Exactly Testing has shown that the methods...

Exactly

Testing has shown that the methods described in the latest construction manual work quite well and are achievable by amateur builders.

Can it be optimized or made better? In many cases the...
Forum: RV-14 10-02-2018, 09:09 AM
Replies: 25
Views: 3,606
Posted By rvbuilder2002
It is a very small amount of surface area coated...

It is a very small amount of surface area coated with a very flexible/compressible material.

My experience is that with the wraps pulled tight it has no influence but I imagine an even coating as in...
Forum: RV-14 10-01-2018, 05:16 PM
Replies: 25
Views: 3,606
Posted By rvbuilder2002
If the instructions are followed, the RTV stripes...

If the instructions are followed, the RTV stripes will only be about .030 thick.

Enough to help prevent fretting wear, but not enough to cause any air blockage or leakage.
Forum: RV-12 10-01-2018, 05:10 PM
Replies: 6
Views: 719
Posted By rvbuilder2002
Correct GoodYear was one of the sponsors and...

Correct
GoodYear was one of the sponsors and supplied Flight Custom II tires.

The standard kit still comes with the same tires it always has.
Forum: RV General Discussion/News 10-01-2018, 05:07 PM
Replies: 66
Views: 7,766
Posted By rvbuilder2002
Which is probably 95+% of the amateur built...

Which is probably 95+% of the amateur built experimentals flying in the U.S.......
Forum: RV General Discussion/News 10-01-2018, 03:21 PM
Replies: 66
Views: 7,766
Posted By rvbuilder2002
It doesn't really matter what they say they do or...

It doesn't really matter what they say they do or don't require.

Your operating limitations are what state the requirement that on initial call to an FAA control tower, you identify yourself as...
Forum: RV General Discussion/News 09-30-2018, 04:40 PM
Replies: 14
Views: 1,494
Posted By rvbuilder2002
I have no way to look at plans here at home so I...

I have no way to look at plans here at home so I can't check, so something you should keep in mind is that during start-up and shut down, the engine moves in rotation. A lot.
Since the carb is down...
Forum: RV General Discussion/News 09-30-2018, 12:52 PM
Replies: 25
Views: 2,042
Posted By rvbuilder2002
I will never apologize for promoting safety based...

I will never apologize for promoting safety based on my many years of experience, and the experience of others maintaining and operating these airplanes.

Experience shows that things can happen in...
Forum: RV-12 09-29-2018, 06:20 PM
Replies: 135
Views: 18,155
Posted By rvbuilder2002
If Sensenich had just ignored the issue I think...

If Sensenich had just ignored the issue I think Ranting would have been warranted.... but they didn't do that......
Forum: RV General Discussion/News 09-27-2018, 03:13 PM
Replies: 5
Views: 467
Posted By rvbuilder2002
On RV's that use the rod style gear legs, the...

On RV's that use the rod style gear legs, the sockets are honed to size in the engine mount or gear leg mounts after all welding has been completed.
Forum: RV General Discussion/News 09-27-2018, 10:39 AM
Replies: 4
Views: 848
Posted By rvbuilder2002
They are consider structural elements of the...

They are consider structural elements of the fuselage.

Will the airplane come apart just because it lifts off the ground with the covers removed? Not necessarily, but it will be flying with the...
Forum: RV-12 09-27-2018, 08:45 AM
Replies: 5
Views: 582
Posted By rvbuilder2002
One option is to use a flush (flat) rivet set...

One option is to use a flush (flat) rivet set against the manufactured head of the rivet instead of the typical cupped set.
It is totally acceptable and documented in the MIL Spec for installing...
Forum: RV-14 09-25-2018, 10:01 PM
Replies: 8
Views: 957
Posted By rvbuilder2002
I agree with Vic I never use the boost pump...

I agree with Vic

I never use the boost pump starting any of our fuel injected airplane, when hot (or warm even).

If you have the standard kit supplied Andair fuel pump, it is a rather high volume...
Forum: RV General Discussion/News 09-25-2018, 09:50 PM
Replies: 66
Views: 7,766
Posted By rvbuilder2002
Another alternative......

To meet FCC station identification requirements, FAA guidlines, and my own self preservation interest to help others see and identify me, I make first call on freq. as Yellow and Blue RV NXXXXX, bla...
Forum: RV-14 09-25-2018, 08:47 AM
Replies: 29
Views: 1,819
Posted By rvbuilder2002
These bearings can tolerate no side load without...

These bearings can tolerate no side load without there being a large increase on friction.
That is the reason for the emphases on using shims and it is likely the cause of your friction as well.
Forum: RV-14 09-25-2018, 08:46 AM
Replies: 29
Views: 1,819
Posted By rvbuilder2002
I have been working on RV's for almost 30 years...

I have been working on RV's for almost 30 years now (and work on the oldest side by side RV flying ;)) and have never had to replace one of these bearings.
If the control column is shimmed properly...
Forum: RV-14 09-25-2018, 08:40 AM
Replies: 29
Views: 1,819
Posted By rvbuilder2002
As freely as as it does when only one side is...

As freely as as it does when only one side is torqued up.

The fact that it tightens up is an indicator that you do need shims.

Any noticeable friction at his point in the system will have an...
Forum: RV General Discussion/News 09-21-2018, 10:15 PM
Replies: 14
Views: 1,160
Posted By rvbuilder2002
True. I was speaking just in the context of new /...

True.
I was speaking just in the context of new / initial certification.

There are quite a few E-LSA's that have been converted from S-LSA's.

It is a great way for someone who is not a builder to...
Forum: RV-12 09-21-2018, 05:02 PM
Replies: 18
Views: 1,580
Posted By rvbuilder2002
iS is totally different, and the iS airplane has...

iS is totally different, and the iS airplane has a totally different style throttle control as well.
Forum: RV General Discussion/News 09-21-2018, 08:08 AM
Replies: 41
Views: 2,835
Posted By rvbuilder2002
It would be good to have an RV specific fly-in in...

It would be good to have an RV specific fly-in in the southwest again.
I am sure that we could get a couple of Van's guys to attend.
Forum: RV General Discussion/News 09-20-2018, 09:02 PM
Replies: 14
Views: 1,160
Posted By rvbuilder2002
Not entirely true...... A lot of the reason the...

Not entirely true......

A lot of the reason the E-LSA category exists is that it is the category that was originally used to try and legalize all of the over weight and 2 place (supposedly for...
Forum: RV-12 09-18-2018, 03:17 PM
Replies: 23
Views: 2,098
Posted By rvbuilder2002
At 13 Kg, that is already 28 lbs. I have enough...

At 13 Kg, that is already 28 lbs.
I have enough experience with BRS systems to know that the 28 lbs is probably not enough to account for the weight of the risers and other add ons that will be...
Forum: RV-12 09-18-2018, 11:51 AM
Replies: 16
Views: 2,014
Posted By rvbuilder2002
Missing from the list is all up empty...

Missing from the list is all up empty weight.

Not being snarky.... genuinely curious (and I imagine many others are as well) what this level of modification (presumably) costs in empty weight.
Forum: RV-9/9A 09-17-2018, 09:16 AM
Replies: 12
Views: 1,660
Posted By rvbuilder2002
Most certified aircraft with trim wheels for...

Most certified aircraft with trim wheels for pitch trim control actuate by using a closed loop cable system ( a loop of cable that runs between the trim wheel and another pulley wheel aft that...
Forum: RV General Discussion/News 09-17-2018, 09:04 AM
Replies: 37
Views: 9,335
Posted By rvbuilder2002
I think it would be foolish to assume that the...

I think it would be foolish to assume that the only damage to be concerned about if a canopy were to contact the vertical stab, would be failure of the fwd attach point.......

It would also be...
Forum: RV General Discussion/News 09-16-2018, 07:03 PM
Replies: 24
Views: 1,570
Posted By rvbuilder2002
The newest design from Van's (the RV-14) has...

The newest design from Van's (the RV-14) has slots to allow for jettison of the canopy. I assure you that because of the trouble they cause in designing a fully sealed fwd canopy, etc., they would...
Forum: Safety 09-15-2018, 09:07 PM
Replies: 27
Views: 5,148
Posted By rvbuilder2002
"Don't cut the stick until you are sure you have...

"Don't cut the stick until you are sure you have absolutely zero interest in aerobatics" is what I tell all builders.
Forum: RV-14 09-12-2018, 08:49 AM
Replies: 37
Views: 4,320
Posted By rvbuilder2002
I assume by "Van's said" you are referring to...

I assume by "Van's said" you are referring to me?????

My comment was made as an effort to help you, not criticize you. As mentioned previously, the forums are full of posts from people that shotgun...
Forum: RV-14 09-12-2018, 08:35 AM
Replies: 37
Views: 4,320
Posted By rvbuilder2002
Tim, Just because you talked to someone in person...

Tim,
Just because you talked to someone in person at Van's doesn't mean you got a proper understanding or the correct info.

None of Van's RV-10's have the alternate design part that can be made from...
Forum: RV-10 09-11-2018, 09:14 AM
Replies: 35
Views: 8,197
Posted By rvbuilder2002
Hi Brian, I noticed on your blog you mentioning...

Hi Brian,
I noticed on your blog you mentioning your countersink depth of .012-.015" deeper than flush compared to Van's recommended of .007 deeper.

The .007 deeper is based on detailed analysis of...
Forum: RV-8/8A 09-11-2018, 08:58 AM
Replies: 10
Views: 1,357
Posted By rvbuilder2002
Pretty much all RV's have some amount of right...

Pretty much all RV's have some amount of right rudder trim added.
If they don't, it is not because the build did such a fine job, it is because there are other trimming influences built into the...
Forum: RV-12 09-11-2018, 08:51 AM
Replies: 5
Views: 1,077
Posted By rvbuilder2002
Correct Just the bottom center is done during...

Correct

Just the bottom center is done during assembly because the fwd tunnel is very narrow and sealing is difficult to do after it is assembled.
Forum: RV-12 09-11-2018, 08:47 AM
Replies: 12
Views: 1,375
Posted By rvbuilder2002
The fuel flow and fuel level indications on the...

The fuel flow and fuel level indications on the EFIS require calibration.
It is possible yours was not done properly, or that something has changed slightly since it was.

The indication for fuel...
Forum: RV-12 09-11-2018, 08:34 AM
Replies: 12
Views: 1,375
Posted By rvbuilder2002
This might be true for some RV-12's if they have...

This might be true for some RV-12's if they have never had the fuel flow indication calibrated.
If the Kfactor is adjusted based on actual fuel used vs indicated fuel used, it can get the fuel flow...
Forum: RV-9/9A 09-10-2018, 09:29 AM
Replies: 18
Views: 5,726
Posted By rvbuilder2002
Ok..... What is the overall empty weight?

Ok.....

What is the overall empty weight?
Forum: RV-14 09-10-2018, 09:27 AM
Replies: 2
Views: 649
Posted By rvbuilder2002
2 corner and one straight (K1000).... used to...

2 corner and one straight (K1000).... used to attach the aft flange of the center tunnel cover on the baggage floor.
Forum: RV General Discussion/News 09-09-2018, 09:36 AM
Replies: 28
Views: 1,646
Posted By rvbuilder2002
Adjusting the speed by changing the mechanical...

Adjusting the speed by changing the mechanical ratio is another way to do it but it also reduces the amount of overall trim tab travel. In most RVís that will result in not enough.....
Forum: RV General Discussion/News 09-08-2018, 09:24 AM
Replies: 28
Views: 1,646
Posted By rvbuilder2002
The stand alone one that was popular for many...

The stand alone one that was popular for many years (Matronics) is noise free.
Forum: RV General Discussion/News 09-07-2018, 10:07 PM
Replies: 28
Views: 1,646
Posted By rvbuilder2002
All of the popular EFIS systems that have the...

All of the popular EFIS systems that have the option to control trim speed, do it via pwm. The trim speed control system in the RV-12 is via pwm. Many of the stand alone speed controls are as well,...
Forum: RV-14 09-06-2018, 12:58 PM
Replies: 14
Views: 1,188
Posted By rvbuilder2002
I can't answer that because I have not physically...

I can't answer that because I have not physically seen the part being discussed but since the photo shows a screw and a clamping block my guess would be the answer is no.

If the standard kit...
Forum: RV General Discussion/News 09-06-2018, 12:53 PM
Replies: 28
Views: 1,646
Posted By rvbuilder2002
Controlling the speed by lowering the voltage...

Controlling the speed by lowering the voltage (the byproduct of adding a resistor) is less than desirable because it also reduces the torque of the motor.

This can cause the motor to not run when it...
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