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Search: Posts Made By: rvbuilder2002
Forum: RV-12/RV-12iS Today, 12:02 PM
Replies: 2
Views: 165
Posted By rvbuilder2002
Tsachy, It is doable with a typical hand squeezer...

Tsachy,
It is doable with a typical hand squeezer as long as it has at least a 3" deep yoke.
I don't know the details of the ATS squeezer but after looking at some photos of it, it looks like it...
Forum: RV General Discussion/News Yesterday, 06:37 PM
Replies: 35
Views: 1,535
Posted By rvbuilder2002
For me flying didn't replace riding but I chose...

For me flying didn't replace riding but I chose for it to be enough to fulfill my need for adventure, and I didn't have my RV flying yet at the time. Once that was done it notched the adventure...
Forum: RV General Discussion/News 04-10-2021, 06:21 PM
Replies: 13
Views: 1,608
Posted By rvbuilder2002
Gave me a good laugh :p

Gave me a good laugh :p
Forum: RV General Discussion/News 04-10-2021, 05:52 PM
Replies: 13
Views: 1,608
Posted By rvbuilder2002
From Ranís???? :eek:

From Ranís???? :eek:
Forum: RV-12/RV-12iS 04-10-2021, 02:10 PM
Replies: 19
Views: 678
Posted By rvbuilder2002
DC4 is my preferred.

DC4 is my preferred.
Forum: RV Building Tips/Techniques 04-10-2021, 02:08 PM
Replies: 13
Views: 925
Posted By rvbuilder2002
I agree. The results of some testing we did...

I agree.

The results of some testing we did indicates that an AN3 bolt begins to yield at about 65 inch pounds
Forum: RV-12/RV-12iS 04-10-2021, 10:07 AM
Replies: 19
Views: 678
Posted By rvbuilder2002
Water settles to the bottom and can be...

Water settles to the bottom and can be drained.

Fine particle contaminants tend to stick to the screen. The only way to remove is is to disassemble and clean the screen.

There are many posts here...
Forum: RV General Discussion/News 04-09-2021, 08:20 PM
Replies: 2
Views: 176
Posted By rvbuilder2002
Reposition all of the hardware so that the arm...

Reposition all of the hardware so that the arm for the valve is between the two thin washers, then the thick washer and the nut jam against the wire with the hole in the bolt on the opposite side of...
Forum: RV-6/6A 04-09-2021, 11:34 AM
Replies: 4
Views: 219
Posted By rvbuilder2002
If you substituted NAS1097 rivets at the...

If you substituted NAS1097 rivets at the locations that would effect the outside finished paint, the manufactured heads are small and it would allow for very small machine countersinks in the...
Forum: RV-6/6A 04-09-2021, 10:58 AM
Replies: 4
Views: 219
Posted By rvbuilder2002
Before the metal stiffeners were developed, the...

Before the metal stiffeners were developed, the tip-up canopy install instructions described/detailed stiffening the frame with the use of some bonded / shaped foam installed at the fwd most bow of...
Forum: RV-12/RV-12iS 04-09-2021, 09:37 AM
Replies: 281
Views: 61,552
Posted By rvbuilder2002
Both Style sells ;) Seriously, they are for...

Both

Style sells ;)

Seriously, they are for cooling but not in the same context as you are questioning.

Rotax has some very specific specification requirements for the design of a 912iS engine...
Forum: RV-12/RV-12iS 04-08-2021, 02:52 PM
Replies: 281
Views: 61,552
Posted By rvbuilder2002
I don't disagree. And like I said that is a...

I don't disagree.
And like I said that is a problem to some degree with just about every 912 powered airplane that has a full / at least somewhat aerodynamic cowl.

If proper fuel and ground...
Forum: RV-12/RV-12iS 04-08-2021, 01:59 PM
Replies: 281
Views: 61,552
Posted By rvbuilder2002
We have done quite a bit of testing while...

We have done quite a bit of testing while instrumented with temp probes under the cowl and in flight the induction air temps are not elevated a significant amount to where it would increase the temp....
Forum: RV-12/RV-12iS 04-08-2021, 01:49 PM
Replies: 281
Views: 61,552
Posted By rvbuilder2002
A sensitivity to the use of winter blend fuel in...

A sensitivity to the use of winter blend fuel in warmer temps is not limited to just the RV-12.
There are many other aircraft models that have had issues as well.

Avoiding use of 100% winter blend...
Forum: RV-10 04-07-2021, 01:16 PM
Replies: 3
Views: 466
Posted By rvbuilder2002
It is rather likely that it would not. The...

It is rather likely that it would not.

The redesign of the RV-14 cowl and exhaust was done in parallel and it took a number of iterations to get the cowl where we wanted it and still have an exhaust...
Forum: RV General Discussion/News 04-07-2021, 10:56 AM
Replies: 2
Views: 291
Posted By rvbuilder2002
If you actually checked it, you would probably...

If you actually checked it, you would probably find this to be the case with just about every tri gear airplane you have ever flown though the amount varies from one to another.

The designer does it...
Forum: RV-12/RV-12iS 04-07-2021, 10:29 AM
Replies: 13
Views: 1,193
Posted By rvbuilder2002
I don't think I would advise this. If landing...

I don't think I would advise this.

If landing directly into the a steady 15 Kt wind do we add 15 kts to our normal approach speed? No

Adding additional speed for gust margin is normal, but I...
Forum: RV General Discussion/News 04-07-2021, 10:16 AM
Replies: 44
Views: 3,068
Posted By rvbuilder2002
I don't. I know what running a maint. shop...

I don't.
I know what running a maint. shop costs.

Which is why I suggested that $170 for a 91,413 inspection is probably "a bit" on the high side.
I would say that $170 is a bit higher than $150.
Forum: RV General Discussion/News 04-07-2021, 10:12 AM
Replies: 44
Views: 3,068
Posted By rvbuilder2002
Greg pretty much covered it but just to...

Greg pretty much covered it but just to reiterate, with as much RV-12 flying as we have done we have found that it is counter productive to identify as just experimental RV when flying an RV-12. ...
Forum: RV-14 04-06-2021, 11:25 PM
Replies: 15
Views: 6,787
Posted By rvbuilder2002
An interesting fact is that only some RV-14...

An interesting fact is that only some RV-14 builders had an issue with float interference after using the original float arm dimensions. Is that because the majority of builders are not super precise...
Forum: RV General Discussion/News 04-06-2021, 08:21 PM
Replies: 44
Views: 3,068
Posted By rvbuilder2002
Just in case your comment confuses someone, FAR...

Just in case your comment confuses someone, FAR 91.413 requires the certification be done every 24 calendar months.

Maybe you are paying $170 for an inspection (a bit on the higher side in my...
Forum: RV General Discussion/News 04-06-2021, 12:55 PM
Replies: 44
Views: 3,068
Posted By rvbuilder2002
I know of people that have flown (passengers...

I know of people that have flown (passengers even) for years and never completed getting their license, and never got caught.

Does that mean we should promote the idea that pilots new to the hobby...
Forum: RV General Discussion/News 04-06-2021, 09:53 AM
Replies: 44
Views: 3,068
Posted By rvbuilder2002
That is correct, but there is an excerpt in FAR...

That is correct, but there is an excerpt in FAR 91 that still maintains the requirement for experimentals.
Forum: RV-14 04-04-2021, 05:20 PM
Replies: 29
Views: 3,010
Posted By rvbuilder2002
You sound so convinced that other engine options...

You sound so convinced that other engine options canít use auto fuel. There are literally thousands of people doing it so thereís proof that itís not true.
Forum: RV-14 04-04-2021, 03:30 PM
Replies: 29
Views: 3,010
Posted By rvbuilder2002
There is a very specific reason that would not...

There is a very specific reason that would not have been a good choice, and it is at least part of the reason that the 162 was not succesful.

Engine installed weight.

When you have a specific...
Forum: RV-14 04-04-2021, 11:32 AM
Replies: 29
Views: 3,010
Posted By rvbuilder2002
For those that would contemplate this engine,...

For those that would contemplate this engine, there are a few things I would suggest you do some research on -

39 pounds is approx the weight delta between the parallel valve IO-360 and the IO-390,...
Forum: RV-6/6A 04-03-2021, 09:45 PM
Replies: 1
Views: 173
Posted By rvbuilder2002
What you describe was not ever documented as...

What you describe was not ever documented as standard build in the plans. Perhaps the builder cut a section out of a piece of hinge and used one loop of it to make the brackets you are describing?
Forum: RV-8/8A 04-01-2021, 03:12 PM
Replies: 28
Views: 2,185
Posted By rvbuilder2002
I agree. There have been glued side by side...

I agree.

There have been glued side by side canopies that have cracked as well.
Forum: RV-14 04-01-2021, 10:31 AM
Replies: 7
Views: 519
Posted By rvbuilder2002
Incorporating these parts into the plans is in...

Incorporating these parts into the plans is in the works but not fully implemented yet.
Forum: RV-12/RV-12iS 03-30-2021, 12:28 PM
Replies: 21
Views: 1,342
Posted By rvbuilder2002
I agree that welding can cause distortion issues...

I agree that welding can cause distortion issues but that is not the case in this instance.

This is indeed distortion that occurs during the heat treating process of the nose gear leg.

There is a...
Forum: RV-12/RV-12iS 03-30-2021, 10:42 AM
Replies: 27
Views: 3,076
Posted By rvbuilder2002
It looks like the correction hasn't made its way...

It looks like the correction hasn't made its way through on the Legacy ULS plans yet, but the 12iS KAI DWG 37iS/U-12 shows AN525-832R8.

They are cad. plated instead of stainless, so don't look as...
Forum: RV-12/RV-12iS 03-30-2021, 09:44 AM
Replies: 5
Views: 491
Posted By rvbuilder2002
The comb is used to adjust the cable friction as...

The comb is used to adjust the cable friction as needed (and I think the KAI describes it) and it can be adjusted with slight bending to vary the amount.

If the cable has enough friction for the...
Forum: RV-12/RV-12iS 03-30-2021, 09:35 AM
Replies: 27
Views: 3,076
Posted By rvbuilder2002
I agree. The paint is being extruded out from...

I agree.

The paint is being extruded out from under the screws. Once the paint is moving on the cowl surface, the bond to the substrate is compromised and damage will continue.

One common cause is...
Forum: RV models of the future (RV-??) 03-29-2021, 11:43 PM
Replies: 45
Views: 6,198
Posted By rvbuilder2002
You are correct about the introduction date of...

You are correct about the introduction date of the RV-9, because the tail dragger version was introduced a couple years after the 9A tri-gear (initially there was no plan to offer a tail dragged...
Forum: RV-6/6A 03-28-2021, 04:43 PM
Replies: 12
Views: 551
Posted By rvbuilder2002
In your situation, since you are dealing with...

In your situation, since you are dealing with fitting legs to gear mount brackets that already have final size holes drilled in them the best thing to do is use your old legs to fixture the new legs...
Forum: RV-7/7A 03-28-2021, 12:47 PM
Replies: 5
Views: 684
Posted By rvbuilder2002
One key detail required to accurately answer your...

One key detail required to accurately answer your question is what actual static ports were installed in the standard location.

This one point has had major error induction in many RV's over the...
Forum: RV-12/RV-12iS 03-28-2021, 12:43 PM
Replies: 7
Views: 476
Posted By rvbuilder2002
Isn't experimental aviation great! We can remove...

Isn't experimental aviation great!

We can remove a clamp that has decades of successful in service experience and no known problems, if we don't like the way it looks, and replace it with a...
Forum: RV-12/RV-12iS 03-28-2021, 12:32 PM
Replies: 11
Views: 2,568
Posted By rvbuilder2002
We tend to lean towards Bob's position regarding...

We tend to lean towards Bob's position regarding software releases.
Especially when there is no serious bug fix incorporated into the release.

Add to that the fact that we had zero heads up that...
Forum: RV models of the future (RV-??) 03-26-2021, 10:49 PM
Replies: 45
Views: 6,198
Posted By rvbuilder2002
More proof that you canít believe everything you...

More proof that you canít believe everything you read on the internet.....

The RV-9 came before the RV-7
Forum: RV-12/RV-12iS 03-23-2021, 12:06 PM
Replies: 12
Views: 1,077
Posted By rvbuilder2002
Measuring the voltage at the trim motor is not a...

Measuring the voltage at the trim motor is not a reliable way of confirming proper power feed to the trim motor.

The controlled trim speed output is from a PWM circuit. This is a pulsed DC output...
Forum: RV-14 03-21-2021, 04:14 PM
Replies: 7
Views: 815
Posted By rvbuilder2002
That is very interesting. By fine do you mean...

That is very interesting.

By fine do you mean that a weight and balance computation done with the fuel tanks containing only about five gallons, a 200 lb person in each seat, and 100 lbs in the...
Forum: RV-12/RV-12iS 03-18-2021, 10:54 AM
Replies: 34
Views: 2,745
Posted By rvbuilder2002
To me it sounds like it could be a combination of...

To me it sounds like it could be a combination of both of these.
Forum: RV-9/9A 03-17-2021, 10:58 AM
Replies: 35
Views: 2,572
Posted By rvbuilder2002
A slightly different perspective.....

The RV-9(A) isn't "more slippery" than and RV-6(A).
The big difference is that the 9(A) with it's higher aspect ratio wing has less of an induced drag change with changes in AOA.

In simpler terms,...
Forum: RV Building Tips/Techniques 03-15-2021, 10:59 AM
Replies: 8
Views: 1,025
Posted By rvbuilder2002
Forcing the parts into alignment isn't enough to...

Forcing the parts into alignment isn't enough to account for the bow in most all parts. Also, clecos don't have the aligning power to assure holes are exactly centered when the part is fighting to...
Forum: RV-12/RV-12iS 03-14-2021, 11:01 PM
Replies: 12
Views: 1,416
Posted By rvbuilder2002
I have done it a half dozen times round trip. ...

I have done it a half dozen times round trip. The height of the mountains is not a problem. The distance between available fuel stops when flying westbound can be depending on headwinds.
Forum: RV-12/RV-12iS 03-07-2021, 11:06 PM
Replies: 28
Views: 5,205
Posted By rvbuilder2002
Not likely, because that would cause a very low...

Not likely, because that would cause a very low resistance flow path in the system which would cause very low fuel pressure.
Forum: My RV Build Project 03-07-2021, 10:48 PM
Replies: 448
Views: 185,868
Posted By rvbuilder2002
Maybe it won’t be the case with yours but I think...

Maybe it won’t be the case with yours but I think you might find that with nuts positioned aft, the bolts will interfere with the rudder.
Forum: RV-12/RV-12iS 03-07-2021, 12:38 PM
Replies: 54
Views: 10,639
Posted By rvbuilder2002
Yes, the clamps are reusable.

Yes, the clamps are reusable.
Forum: RV-12/RV-12iS 03-07-2021, 09:01 AM
Replies: 54
Views: 10,639
Posted By rvbuilder2002
The spring (also referred to as constant tension)...

The spring (also referred to as constant tension) clamps are used for a very good reason on the Rotax engines.
All of the fittings the hoses attach to are made of aluminum. Aluminum has a rather...
Forum: RV Ongoing Maintenance Issues 03-01-2021, 09:55 AM
Replies: 9
Views: 740
Posted By rvbuilder2002
It is a typo. I have issued a correction notice...

It is a typo. I have issued a correction notice to the people that handle those types of things.

If you look at all other SB's and SD's issued for the RV-12(iS), you will find the following (or...
Forum: RV-12/RV-12iS 02-28-2021, 12:38 PM
Replies: 6
Views: 811
Posted By rvbuilder2002
So for additional clarity..... it is not intended...

So for additional clarity..... it is not intended for locking controls when parked outside at an airport.
Forum: RV Ongoing Maintenance Issues 02-26-2021, 05:49 PM
Replies: 5
Views: 1,623
Posted By rvbuilder2002
I suggest some research using one of the other...

I suggest some research using one of the other threads that are here in the forums.
Here is one with some relevant info....
Forum: RV Building Tips/Techniques 02-21-2021, 11:31 PM
Replies: 13
Views: 676
Posted By rvbuilder2002
The instructions you referenced are only...

The instructions you referenced are only pertinent to installations on a fixed pitch propeller.
Because there is no industry standard for hub thickness, some propellers require the use of spacers on...
Forum: Safety 02-21-2021, 01:41 PM
Replies: 47
Views: 4,507
Posted By rvbuilder2002
The engine off glide testing we did this past...

The engine off glide testing we did this past summer indicated that prop control position had zero influence on glide performance. That at normal best glide speed’s, relative wind just doesn’t spin...
Forum: RV General Discussion/News 02-20-2021, 08:37 PM
Replies: 17
Views: 1,147
Posted By rvbuilder2002
I agree with Sam. You will be far better off...

I agree with Sam.
You will be far better off continuing to search until you find the right one (be sure to use some experienced help to evaluate I before committing to buy though).
Forum: RV Ongoing Maintenance Issues 02-19-2021, 11:29 AM
Replies: 18
Views: 1,540
Posted By rvbuilder2002
When checking or setting the timing of magnetos...

When checking or setting the timing of magnetos you need to turn the prop past TDC to trip the impulse back to its normal state and then reverse to prop rotation slightly to get back to the timing...
Forum: RV-12/RV-12iS 02-11-2021, 05:25 PM
Replies: 4
Views: 2,131
Posted By rvbuilder2002
The sensor used for engine RPM on the RV 12 is...

The sensor used for engine RPM on the RV 12 is the tach sensor that comes mounted to the engine from the factory. It is basically just another one of the trigger coils that is also on the back of the...
Forum: RV General Discussion/News 02-09-2021, 11:29 PM
Replies: 12
Views: 1,400
Posted By rvbuilder2002
Yea, I know what 8130.2J says... Like I said, it...

Yea, I know what 8130.2J says...
Like I said, it is nit picky but that is what the FAA often does.

Most people are probably unaware, but the certification of all of Van's Aircraft's demonstrators...
Forum: RV-10 02-09-2021, 11:10 PM
Replies: 43
Views: 4,748
Posted By rvbuilder2002
Spin recovery is what would likely be dynamically...

Spin recovery is what would likely be dynamically influenced the most, and without doing actual testing, the level of influence is a total unknown.

I agree Vic, that distributing the fuel along more...
Forum: RV-10 02-09-2021, 02:57 PM
Replies: 43
Views: 4,748
Posted By rvbuilder2002
You are right.... it is experimental...

You are right.... it is experimental aviation.

So in that context I offer this. When you talk about figuring out the engineering, are you aware that adding the mass of tanks and fuel in the outer...
Forum: RV General Discussion/News 02-09-2021, 01:36 PM
Replies: 12
Views: 1,400
Posted By rvbuilder2002
If someone wanted to get get nitpicky… The...

If someone wanted to get get nitpicky… The requirement in the operating limitations states the entry will read “I certify that this aircraft…“. So in technical terms, making separate entries that say...
Forum: Propellers 02-08-2021, 07:07 PM
Replies: 8
Views: 821
Posted By rvbuilder2002
I was thinking the same thing. Either there are...

I was thinking the same thing.
Either there are errors in some of the info you provided because of typos, or other info is just plain not possible.
Forum: RV-12/RV-12iS 02-08-2021, 10:16 AM
Replies: 13
Views: 1,363
Posted By rvbuilder2002
Other tool suppliers have them as well, but...

Other tool suppliers have them as well, but another option is to just use the AEX wedge material that is supplied in the kit and make your own tools for zero dollars. It works great and was...
Forum: Propellers 02-07-2021, 11:47 PM
Replies: 17
Views: 1,623
Posted By rvbuilder2002
Close to the fwd limit with no payload ( people,...

Close to the fwd limit with no payload ( people, fuel, baggage, etc) is not important.
Where is it with typical people weights in the seats, 5-6 gal of fuel, and 100 lbs in the baggage...
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