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Search: Posts Made By: rvbuilder2002
Forum: RV-10 Today, 09:46 AM
Replies: 9
Views: 479
Posted By rvbuilder2002
Actually the upper hole and the hole in the gear...

Actually the upper hole and the hole in the gear leg is drill by Van's, so a reamer is doing very little as far as precision goes, but there is nothing wrong with doing it that way if someone doesn't...
Forum: RV General Discussion/News Today, 09:39 AM
Replies: 201
Views: 78,847
Posted By rvbuilder2002
CLARIFICATION..........

The process specified in the plans is for a very specific reason, and the reason is not to fix wallowed out holes that occurred during the fitting process.
It also gives extra adjustment options to...
Forum: Probable Cause Documents Discussed Today, 12:19 AM
Replies: 19
Views: 2,644
Posted By rvbuilder2002
I believe there are numerous factors that would...

I believe there are numerous factors that would influence the flaps / no flaps decision that make it far less than just a yes or no decision for all situations.

The first factor would be what model...
Forum: RV-14 Yesterday, 12:57 PM
Replies: 7
Views: 2,153
Posted By rvbuilder2002
The hinge is anodized after it is manufactured,...

The hinge is anodized after it is manufactured, in what ever length is the standard. Once it gets cut into a shorter piece , the ends should be considered unprotected.

I think most people do most...
Forum: RV-14 Yesterday, 12:02 PM
Replies: 38
Views: 3,481
Posted By rvbuilder2002
If I was working on it, I would get the bearing...

If I was working on it, I would get the bearing working freely before proceeding.
Forum: Traditional Aircraft Engines Yesterday, 11:42 AM
Replies: 2
Views: 113
Posted By rvbuilder2002
https://en.wikipedia.org/wiki/Lycoming_O-235 The...

https://en.wikipedia.org/wiki/Lycoming_O-235

The Lycoming Wicky page says it is a Type 1 Dynafocal engine, so my suggestion would be to look at the dimension specs for the mounts used on the Cessna...
Forum: RV-14 Yesterday, 09:54 AM
Replies: 38
Views: 3,481
Posted By rvbuilder2002
Sorry Mark, I hadn't seen your other post. Before...

Sorry Mark,
I hadn't seen your other post.
Before resorting to removing the bracket, I would try and free up the bearing with it in place.
Flood it with some penetrating lubricant and manipulate it...
Forum: RV-14 Yesterday, 09:47 AM
Replies: 7
Views: 2,153
Posted By rvbuilder2002
Van's has been using MS20257 "P" series hinge for...

Van's has been using MS20257 "P" series hinge for decades. The shipments from the supplier always include certs and specify it as P(X) hinge.
Even when it is P series hinge, there is not a P stamped...
Forum: RV-14 12-08-2018, 11:46 PM
Replies: 58
Views: 7,481
Posted By rvbuilder2002
Unless you use this for the shop head size...

Unless you use this for the shop head size specification

https://www.vansaircraft.com/public/Specs.htm
Forum: RV-12 12-08-2018, 02:19 PM
Replies: 31
Views: 6,854
Posted By rvbuilder2002
Yes Multiple times, but not with an oil...

Yes

Multiple times, but not with an oil thermostat installed, because Van's does not offer that as a kit. Anyone that does, it would be their, or the installers responsibility to verify compliance...
Forum: RV-12 12-08-2018, 01:23 PM
Replies: 31
Views: 6,854
Posted By rvbuilder2002
Clarification.....

The requirement for testing the pressure drop on the oil system is not "New".
It has been in the documentation for a couple years I think.

To me it doesn't matter what Rotax's reasoning was for...
Forum: RV General Discussion/News 12-08-2018, 12:17 PM
Replies: 27
Views: 1,661
Posted By rvbuilder2002
Because the elevator horns being a large amount...

Because the elevator horns being a large amount out of alignment is not a common issue, but as mentioned previously, a small mount is specifically designed in and expected.

These are airplanes that...
Forum: RV-12 12-08-2018, 11:50 AM
Replies: 31
Views: 6,854
Posted By rvbuilder2002
Steve I am not going to respond since your post...

Steve
I am not going to respond since your post seems to be be judgmental in tone.... like you are trying to prove something?
If that is how you took it, my original post was not intended that way. ...
Forum: RV-12 12-07-2018, 07:11 PM
Replies: 31
Views: 6,854
Posted By rvbuilder2002
Not a thread drift in my opinion. As I mentioned...

Not a thread drift in my opinion.

As I mentioned already, Rotax has implemented the same oil system flow restriction test requirement on the ULS engine that I mentioned did not pass on the iS...
Forum: RV-12 12-07-2018, 11:57 AM
Replies: 9
Views: 696
Posted By rvbuilder2002
The carbs on the ULS tend to run the engine a bit...

The carbs on the ULS tend to run the engine a bit on the rich side in the mid throttle range. If you have a float that is just beginning to get a bit heavy and floating a bit lower, it could be...
Forum: RV-12 12-07-2018, 11:53 AM
Replies: 22
Views: 1,325
Posted By rvbuilder2002
As some one else mentioned, it is usually related...

As some one else mentioned, it is usually related to the hydraulic fluid level or issue with air in the hyd. system.
The tools are a combination pneumatic and hydraulic.
Failure to fully cycle seems...
Forum: RV-12 12-07-2018, 10:09 AM
Replies: 22
Views: 1,325
Posted By rvbuilder2002
That is another adjustment If you take it apart...

That is another adjustment
If you take it apart and very slightly lengthen the part that has the jaws on it, the jaws will be forced open a little more when it is extended.
If the tip on the tool...
Forum: RV-12 12-07-2018, 10:05 AM
Replies: 22
Views: 1,325
Posted By rvbuilder2002
Randy, High pressure is not needed. The pressure...

Randy,
High pressure is not needed.
The pressure used has no correlation to how much stroke the tool has on each pull cycle.
We use 50-55 PSI.
It does a much smoother pull and doesn't cause the...
Forum: RV-12 12-07-2018, 09:47 AM
Replies: 31
Views: 6,854
Posted By rvbuilder2002
Another data point regarding oil thermostats........

The Rotax 912iS engine has very detailed and specific design requirements regarding the installation on an airframe.
A huge amount of engineering effort was invested to assure the RV-12iS meets all...
Forum: RV-12 12-07-2018, 09:47 AM
Replies: 1
Views: 174
Posted By rvbuilder2002
912iS oil cooler system info

The Rotax 912iS engine has very detailed and specific design requirements regarding the installation on an airframe.
A huge amount of engineering effort was invested to assure the RV-12iS meets all...
Forum: RV-14 12-06-2018, 03:04 PM
Replies: 27
Views: 2,060
Posted By rvbuilder2002
There is a step specifically designed for the...

There is a step specifically designed for the tail dragger RV-14 (it is shorter that the one for the 14A).

There is no step for the RV-9. you would have to use the RV-9A step which would be a bit...
Forum: RV General Discussion/News 12-06-2018, 12:11 PM
Replies: 27
Views: 1,661
Posted By rvbuilder2002
These are the correct answers..... The parasitic...

These are the correct answers.....

The parasitic drag of the protruding horns is small. Some amount of protrusion is designed in for good pitch handling qualities (though 3/4 " is about double what...
Forum: RV-14 12-06-2018, 11:55 AM
Replies: 24
Views: 1,440
Posted By rvbuilder2002
If neither the flaps or ailerons have any twist...

If neither the flaps or ailerons have any twist in them, and everything is rigged correctly, the deflection that occurs on the ailerons when the elevator is moved, happens equally on both sides. It...
Forum: RV General Discussion/News 12-06-2018, 11:36 AM
Replies: 14
Views: 722
Posted By rvbuilder2002
Not all RV models have a riveted trailing edge...

Not all RV models have a riveted trailing edge wedge but yes, the RV-14 does have a different wedge than the AEX wedge that is used on some of the other models.
Forum: RV General Discussion/News 12-06-2018, 09:46 AM
Replies: 14
Views: 722
Posted By rvbuilder2002
There is no direct connection between how many...

There is no direct connection between how many degrees of travel the elev. the elevators have up and down from neutral, and how much travel the trim tabs have up and down from neutral.

The...
Forum: RV-6/6A 12-05-2018, 10:04 AM
Replies: 8
Views: 639
Posted By rvbuilder2002
Ok, that clarifies your post a bit, but it still...

Ok, that clarifies your post a bit, but it still doesn't correctly differentiate between aero in an RV-6 vs RV-7 because RV-6's can have constant speed props and fuel injection.
Forum: RV-14 12-04-2018, 10:12 PM
Replies: 11
Views: 797
Posted By rvbuilder2002
You may not have to fill the rivet holes in the...

You may not have to fill the rivet holes in the cowl. Start with new hinges and see where the rivet holes will be. A very small amount of hole movement at the hinge can translate into a rather...
Forum: RV-6/6A 12-04-2018, 04:55 PM
Replies: 8
Views: 639
Posted By rvbuilder2002
Personal opinion I guess........ I think the...

Personal opinion I guess........

I think the RV-6 is better.

It typically has a lower empty weight (better power to weight ratio).
Lighter ailerons.
A little bit more nimble feeling.

Not sure what...
Forum: RV Photo/Video URLs 12-03-2018, 09:13 AM
Replies: 13
Views: 2,261
Posted By rvbuilder2002
The standard kit has included the longer sticks...

The standard kit has included the longer sticks for quite a while.
It is my understanding that the stick that Tosten has available, fully wired up with their stick grip installed, is the stick that...
Forum: RV-14 12-02-2018, 10:26 PM
Replies: 12
Views: 892
Posted By rvbuilder2002
All the RV models have a nose pitch down when...

All the RV models have a nose pitch down when flaps are lowered. Particularly full flaps with power added. The slotted flaps on the RV-14 large and very effective, so the pitch down is a bit...
Forum: RV-14 12-02-2018, 05:52 PM
Replies: 6
Views: 526
Posted By rvbuilder2002
As mentioned by Jake, the reason the manual...

As mentioned by Jake, the reason the manual describes it as fully torquing the nut is because the desire is for the nut to bottom out on the threads to set the proper amount of spring compression.
Forum: RV-14 12-01-2018, 07:55 PM
Replies: 12
Views: 620
Posted By rvbuilder2002
Of course everyone can build according to what is...

Of course everyone can build according to what is best for them, but the forums are used extensively for research by people trying to make those decisions
Since the purpose of this forum is to share...
Forum: RV-14 12-01-2018, 11:10 AM
Replies: 12
Views: 620
Posted By rvbuilder2002
Hopefully you are not going to all of the extra...

Hopefully you are not going to all of the extra expense and labor just to have a more easily removable top cowl......
I would wager that I can remove a built per plans RV-14 top cowl , just as fast...
Forum: RV General Discussion/News 11-30-2018, 04:07 PM
Replies: 2
Views: 659
Posted By rvbuilder2002
I know of at least one RV-4 that has been flown...

I know of at least one RV-4 that has been flown with ski's in EU and I think there has been an RV-6 here in the U.S., but I don't know any of the installation details.
Forum: RV Photo/Video URLs 11-30-2018, 10:08 AM
Replies: 13
Views: 2,261
Posted By rvbuilder2002
The way the Tosten grip fits on the top of the...

The way the Tosten grip fits on the top of the stick, it automatically makes the stick longer (quite a bit of the grip protrudes above the stick).

The 14A prototype is scheduled to get the longer...
Forum: RV-12 11-30-2018, 09:58 AM
Replies: 50
Views: 7,605
Posted By rvbuilder2002
You would think I would have learned by now.......

You would think I would have learned by now.... not to try and post something in two minutes at the end of my lunch :rolleyes: (real busy.... in the middle of a complete panel makeover on one of the...
Forum: RV-12 11-30-2018, 09:54 AM
Replies: 50
Views: 7,605
Posted By rvbuilder2002
By controlability I meant you will run out of...

By controlability I meant you will run out of rudder during take-off with a left crosswind, sooner than with a right cross wind.
Forum: RV-12 11-29-2018, 06:02 PM
Replies: 50
Views: 7,605
Posted By rvbuilder2002
360 Wind from 270

360

Wind from 270
Forum: RV-12 11-29-2018, 04:27 PM
Replies: 50
Views: 7,605
Posted By rvbuilder2002
Aircraft speed doesn't matter. Look at any...

Aircraft speed doesn't matter.

Look at any calculator (even an old E6B) there is no input for aircraft velocity.

BTW I corrected the calculated crosswind component in my other post..... I had fat...
Forum: RV-12 11-29-2018, 04:14 PM
Replies: 50
Views: 7,605
Posted By rvbuilder2002
Think of it as max in any condition.... steady...

Think of it as max in any condition.... steady state or gust.
Examples -

If the steady state wind is 35 with no gust value, and the calculated cross wind component is 11 Kts or less, you are...
Forum: RV-12 11-29-2018, 01:56 PM
Replies: 50
Views: 7,605
Posted By rvbuilder2002
Just keep in mind that a left cross wind is the...

Just keep in mind that a left cross wind is the direction with the most influence on controlability during a take-off or go around because it turns the airplane to the left along with engine torque...
Forum: RV-12 11-28-2018, 04:09 PM
Replies: 15
Views: 1,013
Posted By rvbuilder2002
No fuel flow sensor. The fuel flow data is...

No fuel flow sensor.
The fuel flow data is supplied via canbuss by the engine computer
Forum: RV-9/9A 11-28-2018, 09:34 AM
Replies: 41
Views: 4,230
Posted By rvbuilder2002
Because it is wrong to think that because a flush...

Because it is wrong to think that because a flush static port doesn't work, that any amount of protrusion will.

Air passing around an object can have varying pressure distribution around that object...
Forum: RV-9/9A 11-27-2018, 09:03 PM
Replies: 41
Views: 4,230
Posted By rvbuilder2002
I am rather surprised by that.

I am rather surprised by that.
Forum: RV-12 11-27-2018, 08:59 PM
Replies: 15
Views: 1,013
Posted By rvbuilder2002
Computing a K-factor value adjustment doesn't...

Computing a K-factor value adjustment doesn't require a guess.....

It is a simple math problem and the formula is usually supplied with the documentation for any unit that does fuel flow.

Make a...
Forum: RV-12 11-27-2018, 04:31 PM
Replies: 15
Views: 1,013
Posted By rvbuilder2002
As Steve said, Rotax requires that all maint. be...

As Steve said, Rotax requires that all maint. be done relative to Hobbs time.
It will be important that maint entries in the maint records are listed as hobbs time if you ever file a warranty claim,...
Forum: RV General Discussion/News 11-27-2018, 10:04 AM
Replies: 8
Views: 460
Posted By rvbuilder2002
Would you care to mention what the benefit would...

Would you care to mention what the benefit would be to using a carbon fiber spinner (at a huge price point difference compared to standard)?

The reason I am asking is there is no failure issues with...
Forum: RV-10 11-24-2018, 05:03 PM
Replies: 8
Views: 811
Posted By rvbuilder2002
This is what is done with the factory demo RV-10...

This is what is done with the factory demo RV-10 and it works well, but the OAT it operates in is not as cold as it is for some people.
Forum: Primers 11-24-2018, 11:28 AM
Replies: 14
Views: 1,272
Posted By rvbuilder2002
Even the area that has been exposed since the...

Even the area that has been exposed since the test piece was hung outside is just surface corrosion that has not caused any detectable pitting, etc., and it would still be considered...
Forum: Primers 11-23-2018, 11:04 PM
Replies: 14
Views: 1,272
Posted By rvbuilder2002
I would be interested in hearing about your...

I would be interested in hearing about your personal experience because it is contrary to what 16 years of exposure testing has shown me







Actually the very best corrosion protection requires...
Forum: RV-14 11-23-2018, 04:23 PM
Replies: 6
Views: 472
Posted By rvbuilder2002
The WCH is a stainless steel clamp. That is what...

The WCH is a stainless steel clamp.
That is what should come in the kit.
I suggest you contact the office on Monday
Forum: RV-14 11-23-2018, 01:46 PM
Replies: 6
Views: 472
Posted By rvbuilder2002
The important requirement is that the have...

The important requirement is that the have stainless steel bands (not aluminum).
The ones you got in your kit should be stainless steel.
Forum: RV General Discussion/News 11-23-2018, 11:26 AM
Replies: 21
Views: 2,298
Posted By rvbuilder2002
And additionally........

Merging lots aircraft laterally has some level of risk, but at least in most cases pilots can see each other (if they are looking) regardless of what model airplane they are flying. If you analyze...
Forum: RV-12 11-22-2018, 01:22 PM
Replies: 48
Views: 6,260
Posted By rvbuilder2002
Actually, it is possible to hook one end of the...

Actually, it is possible to hook one end of the spring in the wrong location (not under the screw head as intended) but I think that makes the tension lower not higher, so that wouldn't be a cause of...
Forum: RV-12 11-22-2018, 10:48 AM
Replies: 48
Views: 6,260
Posted By rvbuilder2002
Johns advice is spot on. The new torsional...

Johns advice is spot on.

The new torsional springs were designed and tested to match the tension profile of the McFarlane springs but have the benefit of not breaking.

There are a lot of them...
Forum: RV-12 11-21-2018, 07:01 PM
Replies: 28
Views: 3,642
Posted By rvbuilder2002
In an RV-12, ideal rotation speed is 20 - 25...

In an RV-12, ideal rotation speed is 20 - 25 MPH.
Once the nose is up and you are running on just the main wheels (ala soft field take-off) with the nose wheel just barely off ground, steering is...
Forum: RV-14 11-21-2018, 03:49 PM
Replies: 7
Views: 667
Posted By rvbuilder2002
So that the washers stay on the screws until the...

So that the washers stay on the screws until the nuts are in place..........
Forum: RV-10 11-21-2018, 12:00 PM
Replies: 6
Views: 888
Posted By rvbuilder2002
Maybe a correlation to the crack? Holes drilled...

Maybe a correlation to the crack?
Holes drilled in the cabin frame will make it less stiff.
Perhaps someone pulled excessively hard on the visor frame or tried to move bend it in a direction that it...
Forum: RV-14 11-21-2018, 09:43 AM
Replies: 7
Views: 667
Posted By rvbuilder2002
I haven't taken the time to read through all of...

I haven't taken the time to read through all of the plans pages in this section to get an understanding of what you are not understanding, but the aft canopy seal can be inserted even if all the...
Forum: RV-12 11-20-2018, 04:38 PM
Replies: 28
Views: 3,642
Posted By rvbuilder2002
Van's has been crossing the Rockies (east bound...

Van's has been crossing the Rockies (east bound and west bound) with multiple RV-12's each year going to and from OSH for 10+ years now. I have made the round trip in an RV-12 myself a half dozen or...
Forum: Safety 11-20-2018, 02:29 PM
Replies: 13
Views: 1,082
Posted By rvbuilder2002
I think the biggest challenge will be properly...

I think the biggest challenge will be properly sizing the plywood to simulate what load the canopy would actually produce.
Without knowing the real canopy load (not being a flat plate shape like the...
Forum: RV-10 11-18-2018, 10:49 PM
Replies: 15
Views: 1,358
Posted By rvbuilder2002
http://www.vansaircraft.com/cgi-bin/store.cgi?iden...

http://www.vansaircraft.com/cgi-bin/store.cgi?ident=1542602937-502-750&browse=misc&product=retro-cap
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