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Search: Posts Made By: rvbuilder2002
Forum: RV-12 Yesterday, 05:09 PM
Replies: 16
Views: 884
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 Yesterday, 11:00 AM
Replies: 21
Views: 2,333
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: 16
Views: 884
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: 16
Views: 884
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: 6,138
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: 29,832
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: 6,138
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: 510
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: 6,138
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: 344
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: 1,516
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: 5,094
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: 1,516
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: 557
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: 18
Views: 1,314
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: 1,376
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: 2,752
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: 2,752
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: 176
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: 463
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: 5,337
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: 4,036
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: 460
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: 867
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: 3,363
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: 1,357
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: 701
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: 3,230
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: 547
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: 547
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: 1,374
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: 5,288
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: 715
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: 1,140
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: 2,540
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: 715
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: 6,941
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: 2,540
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: 715
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: 2,116
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: 2,116
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: 2,622
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: 3,018
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: 345
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: 345
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: 923
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: 6,941
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: 6,941
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: 1,304
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: 876
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.
Forum: RV-14 05-01-2018, 09:31 AM
Replies: 13
Views: 876
Posted By rvbuilder2002
I agree, the close out should be installed for...

I agree, the close out should be installed for flight.
I forgot that it is not in two pieces like the RV-10, and was thinking Bill was just talking about the fwd portion.
Forum: RV-14 05-01-2018, 08:38 AM
Replies: 13
Views: 876
Posted By rvbuilder2002
There should be on flight characteristics...

There should be on flight characteristics problems.
Nose fairing on would reduce drag a measurable amount and possibly help with engine cooling if your initial testing is in hot weather.
Forum: RV-10 05-01-2018, 08:18 AM
Replies: 18
Views: 1,304
Posted By rvbuilder2002
A lot of people aren't aware that the caps will...

A lot of people aren't aware that the caps will usually open easily if after lifting the lever, you push down on it to un-compress the seal. This works in any temperature.

Typically it is not the...
Forum: RV-14 05-01-2018, 08:13 AM
Replies: 13
Views: 876
Posted By rvbuilder2002
The nose wheel fairing has to be installed, and...

The nose wheel fairing has to be installed, and then turned to the L & R travel stops to see what amount of clearance is actually required.
Forum: RV-10 04-30-2018, 03:47 PM
Replies: 18
Views: 1,304
Posted By rvbuilder2002
Well put, and I didn't mean to imply that dreaded...

Well put, and I didn't mean to imply that dreaded was being overly dramatic either.
Which is why I suggested that since it is such an easy retrofit, you could wait until you were flying and decide if...
Forum: RV-10 04-30-2018, 08:44 AM
Replies: 18
Views: 1,304
Posted By rvbuilder2002
I can't offer first person info regarding the...

I can't offer first person info regarding the upgraded caps but will suggest that since 98% (just a wag but probably pretty close) of the 10,000 or so RV's flying are using the standard cap, perhaps...
Forum: RV-7/7A 04-30-2018, 08:38 AM
Replies: 8
Views: 723
Posted By rvbuilder2002
And make sure the spinner bulkhead is flat on its...

And make sure the spinner bulkhead is flat on its face (check with a straight edge).

The forming process often leaves a dished shape in the center of the bulkhead which can position the perimeter...
Forum: RV General Discussion/News 04-28-2018, 11:14 PM
Replies: 14
Views: 1,651
Posted By rvbuilder2002
The most likely cause has been explained. The...

The most likely cause has been explained.
The simplest way to find out if it is the cause in your case would be to check and see if the nose wheel breakout force is adjusted to the specified...
Forum: Traditional Aircraft Engines 04-27-2018, 01:18 PM
Replies: 6
Views: 505
Posted By rvbuilder2002
The way to get good reliable service from 4300...

The way to get good reliable service from 4300 series magnetos is by having the recommended 500 inspections done.

This can be by you (if you fully understand what all of the details are that are...
Forum: RV-12 04-27-2018, 01:11 PM
Replies: 13
Views: 1,485
Posted By rvbuilder2002
I do. You have likely crossed over to the coarse...

I do.

You have likely crossed over to the coarse side of ideal, where additional pitch wont really give you any more speed but will degrade climb.
Forum: RV Ongoing Maintenance Issues 04-26-2018, 08:56 AM
Replies: 10
Views: 1,626
Posted By rvbuilder2002
Do a googles search on "piston ring rotation" It...

Do a googles search on "piston ring rotation"

It is pretty well accepted (and proven with some special testing) that pistons rings can and do rotate during engine operation.
That doesn't mean that...
Forum: RV General Discussion/News 04-24-2018, 03:31 PM
Replies: 18
Views: 1,134
Posted By rvbuilder2002
Another potential interference source is the rear...

Another potential interference source is the rear seat shoulder harness cables.

A simple backpacking compass can be used to test for unwanted magnetic fields.
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