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Search: Posts Made By: rvbuilder2002
Forum: RV General Discussion/News Yesterday, 12:31 PM
Replies: 35
Views: 2,593
Posted By rvbuilder2002
Here in Western Oregon as well....... The...

Here in Western Oregon as well.......

The Willamette Valley is a major migratory flyway for Canada Geese.
The valley is also the year around home to a large population of Eagles and Hawks. Along...
Forum: RV-12 05-23-2018, 08:20 PM
Replies: 21
Views: 1,678
Posted By rvbuilder2002
I imagine it is possible that the .15 amp...

I imagine it is possible that the .15 amp reduction in load by not having the two fans on the circuit could have made the difference in your fuse not blowing....
Forum: RV-12 05-23-2018, 02:45 PM
Replies: 6
Views: 445
Posted By rvbuilder2002
I guess it depends on how you define...

I guess it depends on how you define "trend".

These two failures mentioned are the only ones I am aware of (now, because of them being mentioned here in the forum). Besides knowing they happened,...
Forum: RV-14 05-23-2018, 12:51 PM
Replies: 29
Views: 1,719
Posted By rvbuilder2002
No. It is like I already said, its specific to...

No.
It is like I already said, its specific to the airfoil design and a reduction in induced drag.

Otherwise it would be beneficial to all the RV's, regardless of what model.
Forum: RV General Discussion/News 05-23-2018, 12:46 PM
Replies: 35
Views: 2,593
Posted By rvbuilder2002
I am aware that a lot don't get reported. I am...

I am aware that a lot don't get reported.
I am basing my statement on other info that I have access to. Largely because of where I work:rolleyes:



Yes, it is a personal decision, but that is the...
Forum: RV-12 05-23-2018, 09:32 AM
Replies: 7
Views: 491
Posted By rvbuilder2002
I agree with Vic. This would be the only way I...

I agree with Vic. This would be the only way I can think of to do it.
It is the basic concept that may of the Zenith airplanes have used over the years. They have a throttle on each side because...
Forum: RV-14 05-23-2018, 09:28 AM
Replies: 29
Views: 1,719
Posted By rvbuilder2002
Nothing has changed That is why in my...

Nothing has changed

That is why in my description of how we operate the airplanes I mentioned that we climb at the zero flap setting, cruise and descend at the -3 setting, and then revert back to...
Forum: RV-12 05-23-2018, 09:18 AM
Replies: 6
Views: 445
Posted By rvbuilder2002
When production ended on the D-180 avionics kit,...

When production ended on the D-180 avionics kit, a bunch of spares were built an put into inventory so they are available.
I am only aware of one spare being purchased since production ended.
Forum: RV General Discussion/News 05-23-2018, 09:13 AM
Replies: 35
Views: 2,593
Posted By rvbuilder2002
A different viewpoint for the discussion.....

Not intended to downplay anyones desire to modify their canopy for better bird strike protection, but I tend to look at this and other risk factors while flying, using statistical data.

The #1 cause...
Forum: RV-14 05-22-2018, 01:13 PM
Replies: 29
Views: 1,719
Posted By rvbuilder2002
I can't remember the amount of difference testing...

I can't remember the amount of difference testing showed.
Perhaps Steve (airfoil designer and RV-8 owner here on VAF) would comment on what the theoretical difference is.
Forum: RV-14 05-22-2018, 08:23 AM
Replies: 29
Views: 1,719
Posted By rvbuilder2002
The RV-14 (and RV-10) have a custom designed...

The RV-14 (and RV-10) have a custom designed airfoil meant to reduce induced drag in level flight at high speed cruise. The ailerons are rigged to match the desired reflex shape of the airfoil but...
Forum: RV-12 05-21-2018, 08:13 PM
Replies: 2
Views: 381
Posted By rvbuilder2002
All of the RV-12's I have worked on needed one...

All of the RV-12's I have worked on needed one and for the majority that it gets installed on, the preset angle perfect.
Forum: RV-12 05-20-2018, 05:09 PM
Replies: 21
Views: 1,678
Posted By rvbuilder2002
Testing a pump with no fluid load or back...

Testing a pump with no fluid load or back pressure?.... your right, it is no where close to a valid test.

The little cooling fans draw just about nothing for power. They would have a very...
Forum: Safety 05-20-2018, 11:00 AM
Replies: 22
Views: 3,050
Posted By rvbuilder2002
Operating limitations are part of the 8130-7 form...

Operating limitations are part of the 8130-7 form (airworthiness certificate)

Many times they are actually attached/stapled to the certificate when it is issued (that is how document issued by my...
Forum: RV-12 05-19-2018, 07:57 PM
Replies: 21
Views: 1,678
Posted By rvbuilder2002
Power formula - P (watts) = E (voltage) X I (amps...

Power formula - P (watts) = E (voltage) X I (amps of current)

If P is somewhat a constant, as in the power in watts required to make a device operate under it's normal load (in this case , the fuel...
Forum: RV-12 05-19-2018, 07:05 PM
Replies: 21
Views: 1,678
Posted By rvbuilder2002
Something is pulling your battery voltage...

Something is pulling your battery voltage low.

Either it isn't as fully charged as you think, or you have a poor battery cable connection (power or ground).
Forum: RV-12 05-19-2018, 07:02 PM
Replies: 30
Views: 6,385
Posted By rvbuilder2002
Then I guess you and Roger have your own opinion...

Then I guess you and Roger have your own opinion that no one else has ever publicly agreed with, and if you look through the forums you will find that many have disagreed with.

Nothing twisted...
Forum: RV-12 05-19-2018, 08:44 AM
Replies: 163
Views: 30,124
Posted By rvbuilder2002
The full sized doubler was not designed...

The full sized doubler was not designed specifically to a repair stabilators that were found to have cracks.
It was specifically designed based on doing an FEA (finite element analysis using a...
Forum: RV-12 05-18-2018, 04:09 PM
Replies: 30
Views: 6,385
Posted By rvbuilder2002
For clarity, When I am talking about sync at...

For clarity,
When I am talking about sync at idle, I do not mean at the idle stops. That can be tweaked a bit with the stop screws, but only after the sync is good at 1700 - 1800 RPM
That should be a...
Forum: RV-10 05-18-2018, 01:02 PM
Replies: 7
Views: 656
Posted By rvbuilder2002
Auto pilot functionality (even yaw damper) is not...

Auto pilot functionality (even yaw damper) is not meant to be used for trim on any axis.
The autopilot works best and expects the airplane to be in trim while it flys, just the same as you would want...
Forum: RV-12 05-18-2018, 12:54 PM
Replies: 30
Views: 6,385
Posted By rvbuilder2002
I disagree with your method and the training...

I disagree with your method and the training given at the Rotax Service Specialty classes does as well.

The critical detail to having good gear box longevity is carbs that are WELL synced at the low...
Forum: Primers 05-18-2018, 10:44 AM
Replies: 9
Views: 420
Posted By rvbuilder2002
No The catalyzed primers used with with...

No

The catalyzed primers used with with contemporary paint systems require them to be top coated within a very short time (sometimes only a couple days) or they must be sanded and then recoated with...
Forum: RV-14 05-17-2018, 01:51 PM
Replies: 19
Views: 1,585
Posted By rvbuilder2002
Yes, a reamer has similar cutting action as a...

Yes, a reamer has similar cutting action as a step drill which is why both are recommended as options.
As mentioned, drill bits can be easily modified to cut in a similar way as well, though they do...
Forum: RV-9/9A 05-17-2018, 12:56 PM
Replies: 26
Views: 5,264
Posted By rvbuilder2002
The purpose of it being specified inserted from...

The purpose of it being specified inserted from the bottom is because it makes it much easier to remove if needed, and because a properly installed bolt (full diameter of the shank, through the...
Forum: RV-14 05-17-2018, 12:15 PM
Replies: 19
Views: 1,585
Posted By rvbuilder2002
The recommendations in the construction manual...

The recommendations in the construction manual were chosen for very specific reasons.
Largely out of experience helping builders try and recover from some level of catastrophy during their build.
It...
Forum: RV General Discussion/News 05-17-2018, 12:01 PM
Replies: 17
Views: 636
Posted By rvbuilder2002
I can't comment on wave forms of the output, but...

I can't comment on wave forms of the output, but in my experience the most evident difference between a Honda and some of the lesser expensive brands is operating noise level. Most of the Honda's...
Forum: RV General Discussion/News 05-17-2018, 11:27 AM
Replies: 20
Views: 1,699
Posted By rvbuilder2002
If we think about what pitch trim is for (provide...

If we think about what pitch trim is for (provide a means of trimming the aircraft for a specific speed, flap configuration, and C.G. position), it should quickly become obvious that comparing...
Forum: RV General Discussion/News 05-16-2018, 09:35 AM
Replies: 5
Views: 1,435
Posted By rvbuilder2002
Plans are coming together......

The planning process is well under way, but there is still opportunity to register as a volunteer.

If you have already registered, you should have received a confirmation e-mail from me, asking you...
Forum: RV-12 05-15-2018, 02:05 PM
Replies: 29
Views: 2,871
Posted By rvbuilder2002
John did the initial concept drawings and then...

John did the initial concept drawings and then between combining a couple of his drawing and adding some other personal touches, we ended up with what you see.

I agree that something less plain on...
Forum: RV-12 05-15-2018, 11:12 AM
Replies: 29
Views: 2,871
Posted By rvbuilder2002
;) https://newsline.kitplanes.com/wp-content/uplo...

;)

https://newsline.kitplanes.com/wp-content/uploads/2017/07/RV-12iS-in-flight.jpg
Forum: RV General Discussion/News 05-11-2018, 03:46 PM
Replies: 2
Views: 184
Posted By rvbuilder2002
Plug your head set into the opposite side jacks...

Plug your head set into the opposite side jacks to see if they are reversed (or try transmitting using the passenger side PTT while plugged into the pilots side jacks).
Forum: RV General Discussion/News 05-11-2018, 12:45 PM
Replies: 8
Views: 474
Posted By rvbuilder2002
Do some research on converting PSI pressure to...

Do some research on converting PSI pressure to inches of water, and then research making a home made manometer.

Just don't forget to put the airplane in a 45 deg nose up attitude when you do the...
Forum: RV General Discussion/News 05-11-2018, 08:41 AM
Replies: 59
Views: 5,382
Posted By rvbuilder2002
When reading a document in the context of "legal"...

When reading a document in the context of "legal" meaning, single specific words can mean a lot (even if the person reading it doesn't understand the relevance).

In that context, ask your self why...
Forum: RV-14 05-10-2018, 03:15 PM
Replies: 20
Views: 4,122
Posted By rvbuilder2002
All cutting tools (countersinks, deburring...

All cutting tools (countersinks, deburring cutters, threaded drill bits, etc.) are 1/4-28 thread so any tool that any of them fit, can take any of the cutting tools.
With care, countersinking can be...
Forum: RV-8/8A 05-09-2018, 07:31 PM
Replies: 8
Views: 498
Posted By rvbuilder2002
Do the flare first. Then do the bend with the...

Do the flare first. Then do the bend with the sleeve already installed on the line.
Forum: RV General Discussion/News 05-09-2018, 07:25 PM
Replies: 13
Views: 887
Posted By rvbuilder2002
We love our Zulu II's but we never use the...

We love our Zulu II's but we never use the bluetooth because we power them with AA batteries and my experience is that using bluetooth runs down the batteries quite a bit faster.
Forum: RV-12 05-09-2018, 08:27 AM
Replies: 23
Views: 3,431
Posted By rvbuilder2002
This is the reason that it is supplied un-powder...

This is the reason that it is supplied un-powder coated and intended to be painted by traditional methods.
At the very least, all of the lube grease will have been baked out of it, potentially making...
Forum: RV General Discussion/News 05-09-2018, 08:21 AM
Replies: 29
Views: 1,383
Posted By rvbuilder2002
You seem to understand that the part you are...

You seem to understand that the part you are asking about is just a spacer, so the O.D. isn't all that critical.

The actual part is 1.25 in overall diam. with a a .438 diam hole in the center, and...
Forum: RV-14 05-08-2018, 05:09 PM
Replies: 4
Views: 745
Posted By rvbuilder2002
The prototype RV-14A is approaching 1000 hrs...

The prototype RV-14A is approaching 1000 hrs using the original flow transducer in the plans specified location (and using the specified heat shield).

Have you look for evidence of a leaking exhaust...
Forum: RV General Discussion/News 05-08-2018, 04:06 PM
Replies: 41
Views: 3,278
Posted By rvbuilder2002
But if it has little to no effect on aircraft...

But if it has little to no effect on aircraft performance, it should make us wonder why it isn't allowed in all 50 states?

I bet there is a very good reason.
Forum: RV General Discussion/News 05-07-2018, 11:03 AM
Replies: 8
Views: 557
Posted By rvbuilder2002
Correct A repeat customer gets a new customer #...

Correct
A repeat customer gets a new customer # assigned to the second kit and that # is used for all accounting and records to establish a tracking history for issuing a bill of sale for...
Forum: RV General Discussion/News 05-07-2018, 09:17 AM
Replies: 8
Views: 557
Posted By rvbuilder2002
If it was ever determined that a critical safety...

If it was ever determined that a critical safety notification warranted immediate notification of owners, if the airplane had been originally registered using the standard model designation and...
Forum: RV-14 05-06-2018, 06:55 PM
Replies: 11
Views: 1,445
Posted By rvbuilder2002
To answer your orig question..... The two layers...

To answer your orig question.....
The two layers of glass that the instructions say to lay up will only be about .030" thick (that is less than 1/32"). Since the gap is a minimum of 1/8", it should...
Forum: RV General Discussion/News 05-06-2018, 11:54 AM
Replies: 64
Views: 5,337
Posted By rvbuilder2002
A Lyc engine won't suck fuel. Some amount of...

A Lyc engine won't suck fuel. Some amount of pressure is required for even a carb to work. Head pressure from a gravity fed system is more than enough but even with dihedral, a low wing RV probably...
Forum: RV General Discussion/News 05-06-2018, 11:41 AM
Replies: 17
Views: 726
Posted By rvbuilder2002
Exactly Makes the cover or sender much easier to...

Exactly

Makes the cover or sender much easier to remove.
Forum: RV-12 05-05-2018, 03:48 PM
Replies: 11
Views: 1,204
Posted By rvbuilder2002
The slight increase in pressure wont change the...

The slight increase in pressure wont change the flow rate in the 1/4" diam return line very much.

I have seen failing engine driven pumps dump fuel out the vent outlet and cause a jump in fuel flow...
Forum: RV General Discussion/News 05-04-2018, 03:22 PM
Replies: 25
Views: 2,564
Posted By rvbuilder2002
Maybe I should have said Similar to AAA. I...

Maybe I should have said Similar to AAA. I didn't read up on the details but if you give them a call at Gallagher, I am sure they could send you some info.
Forum: RV General Discussion/News 05-04-2018, 03:18 PM
Replies: 17
Views: 726
Posted By rvbuilder2002
The problem that a lot of people run into when...

The problem that a lot of people run into when using the recommended / kit supplied screws is that the heads are large enough, that if sealant squeezes out the screw hole before inserting the screw...
Forum: Safety 05-04-2018, 03:11 PM
Replies: 65
Views: 7,042
Posted By rvbuilder2002
And by definition, something in an advisory...

And by definition, something in an advisory circular is not a rule that must be strictly followed (research/Google regulatory or binding level of AC's if you are interested).
Often times an AC is an...
Forum: RV General Discussion/News 05-04-2018, 02:28 PM
Replies: 25
Views: 2,564
Posted By rvbuilder2002
I can vouch for that statement. I primarily deal...

I can vouch for that statement.

I primarily deal with Shanna.
She has always been great with providing clear understandable info regarding all of the different choices they can offer me. Do you...
Forum: RV General Discussion/News 05-04-2018, 12:47 PM
Replies: 17
Views: 726
Posted By rvbuilder2002
Good questions, because a failure in the sender...

Good questions, because a failure in the sender ground path between the flange of the sender and the screw head is the most common cause of fuel level indicator problems.

The more recent vintage...
Forum: RV Ongoing Maintenance Issues 05-03-2018, 09:57 PM
Replies: 19
Views: 2,163
Posted By rvbuilder2002
No, but the post that I quoted wasn’t referring...

No, but the post that I quoted wasn’t referring to part 91 was it?
Forum: RV Ongoing Maintenance Issues 05-03-2018, 03:34 PM
Replies: 19
Views: 2,163
Posted By rvbuilder2002
Except FAR43.1(b) says This part does not apply...

Except FAR43.1(b) says This part does not apply to any aircraft for which the FAA has issued an experimental certificate, unless the FAA has previously issued a different kind of airworthiness...
Forum: RV-14 05-03-2018, 12:51 PM
Replies: 31
Views: 2,750
Posted By rvbuilder2002
What is the purpose of the spacer? If it is...

What is the purpose of the spacer?

If it is required, than it appears that the hex rod for the mixture is too short. It looks like the rod end only has 2-3 threads engaging in the hex rod.

And I...
Forum: RV-10 05-03-2018, 09:46 AM
Replies: 20
Views: 3,040
Posted By rvbuilder2002
Do you know for sure that the sockets the...

Do you know for sure that the sockets the bushings go in haven't worn at all?
They should be lubricated occasionally.... maybe yours never have been.
There is also a tolerance to both parts (the...
Forum: RV-14 05-03-2018, 09:41 AM
Replies: 4
Views: 391
Posted By rvbuilder2002
I guess the statement should say "only the left...

I guess the statement should say "only the left or right side parts, assemblies, or installations will be shown"

Sometimes because of a specific figure or view being used it works out that the R...
Forum: RV-14 05-03-2018, 08:46 AM
Replies: 4
Views: 391
Posted By rvbuilder2002
The first page is always the over view of the...

The first page is always the over view of the assembly in that section and will show all relevant parts and can be used to determine when there are left and right parts.

You didn't mention page 03...
Forum: RV-8/8A 05-03-2018, 08:33 AM
Replies: 5
Views: 961
Posted By rvbuilder2002
A couple of thought for you to ponder. - What is...

A couple of thought for you to ponder.

- What is the shape of the aileron that will directly adjacent to the wing tip?
It is flat on the top and bottom except for leading edge portion. If you curve...
Forum: Safety 05-02-2018, 09:09 PM
Replies: 65
Views: 7,042
Posted By rvbuilder2002
The only requirement in anyone’s operating...

The only requirement in anyone’s operating limitations is that they identify them self as experimental on initial call up to an air traffic control tower.
It is not required by operating limitations...
Forum: Safety 05-02-2018, 03:18 PM
Replies: 65
Views: 7,042
Posted By rvbuilder2002
I agree. And I will likely continue to use...

I agree.

And I will likely continue to use colors and type (with my call sign).
With proper radio technique, even adding a couple of extra words I can finish a radio call in about a 3rd the time...
Forum: RV-10 05-01-2018, 10:39 AM
Replies: 18
Views: 1,318
Posted By rvbuilder2002
There has been at least 3 versions of the cap...

There has been at least 3 versions of the cap over the years.
One of the versions had a UHMW plastic glide plate at the bottom of the cavity that the latch lever lays in.
It never held up well and...
Forum: RV-14 05-01-2018, 10:09 AM
Replies: 13
Views: 940
Posted By rvbuilder2002
None was developed for the kit since the gear leg...

None was developed for the kit since the gear leg moves within the opening in the bottom of the cowl.
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