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Search: Posts Made By: rvbuilder2002
Forum: RV General Discussion/News Today, 11:29 AM
Replies: 4
Views: 125
Posted By rvbuilder2002
I mounted 1 of the Flyled triple spot light units...

I mounted 1 of the Flyled triple spot light units in each wing leading edge, replacing the original duck works Halogens.
They are a simple direct replacement and I couldn’t be more happy with the...
Forum: RV-12/RV-12iS Yesterday, 11:48 PM
Replies: 28
Views: 1,570
Posted By rvbuilder2002
The mount bracket we use is very small and stiff...

The mount bracket we use is very small and stiff which makes it positioned slightly off center. We regularly get finished values at .02 ips.
We use the Aces 2020HR balancer.
Forum: RV-8/8A Yesterday, 08:16 PM
Replies: 18
Views: 2,415
Posted By rvbuilder2002
We did recently become aware of this and...

We did recently become aware of this and engineering is in the process of looking at it. It will take some time to work through and then publish a document.
In the mean time, drilling a 3/4” access...
Forum: RV General Discussion/News Yesterday, 08:06 PM
Replies: 15
Views: 1,377
Posted By rvbuilder2002
One thing to keep in mind when designing a shop...

One thing to keep in mind when designing a shop space is that if you intend to use a standard Scotchbrite wheel mounted in a grinder or something similar, it will have the most value if the wheel is...
Forum: Reviews 10-27-2020, 11:57 AM
Replies: 6
Views: 648
Posted By rvbuilder2002
The updated accessory cover largely mimics the...

The updated accessory cover largely mimics the standard one that everyone is familiar with on other lycoming engines except that it doesn't have the pad for mounting a vacuum pump and it is made of a...
Forum: Reviews 10-27-2020, 11:48 AM
Replies: 6
Views: 648
Posted By rvbuilder2002
And the new IO-390EXP119 engine doesn't even have...

And the new IO-390EXP119 engine doesn't even have the mounting pad cast into the accessory case, so there is no need for a block off plate.
Lycoming is working on having it available as an option for...
Forum: RV-4 10-27-2020, 11:40 AM
Replies: 12
Views: 827
Posted By rvbuilder2002
Particularly with a wood prop, an RV-4 at that...

Particularly with a wood prop, an RV-4 at that empty weight would be considered pretty heavy (there are wood prop RV-6s' that are that weight).

I would consider a light weight RV-4 to be one that is...
Forum: RV-10 10-26-2020, 03:37 PM
Replies: 27
Views: 5,297
Posted By rvbuilder2002
That should work fine.

That should work fine.
Forum: RV-12/RV-12iS 10-26-2020, 10:48 AM
Replies: 18
Views: 851
Posted By rvbuilder2002
No, but we have direct experience with it. In...

No, but we have direct experience with it.
In identical temp conditions the 12iS will reach minimum oil temp (122 F.) much quicker than a 12ULS will.
Forum: RV-12/RV-12iS 10-26-2020, 08:38 AM
Replies: 18
Views: 851
Posted By rvbuilder2002
There is a dramatic difference in cold weather...

There is a dramatic difference in cold weather warm up time between a 912ULS and a 912iS. The iS is much quicker.

Since the limiting factor is oil temp, not coolant temp., a coolant thermostat will...
Forum: RV-12/RV-12iS 10-26-2020, 08:34 AM
Replies: 18
Views: 851
Posted By rvbuilder2002
Not true. Yes, it speeds up the process but...

Not true.

Yes, it speeds up the process but moisture in the oil will be expelled at 185 degrees just as well as at 212 (especially at higher altitudes). It will just take a bit longer for any given...
Forum: RV-12/RV-12iS 10-25-2020, 03:06 PM
Replies: 28
Views: 1,570
Posted By rvbuilder2002
I have seen problems completing a dynamic balance...

I have seen problems completing a dynamic balance in instances where there was a gear box issue (low slipper clutch friction, etc.).
Forum: RV-12/RV-12iS 10-23-2020, 12:43 PM
Replies: 20
Views: 3,236
Posted By rvbuilder2002
True, but I have never seen the RPM run that low...

True, but I have never seen the RPM run that low on an RV-12 at even 14,000 ft.
You must have a prop pitch that is rather course compared to most.
Forum: RV-14 10-23-2020, 12:40 PM
Replies: 8
Views: 488
Posted By rvbuilder2002
Woooppps. You of course are correct. I meant...

Woooppps.

You of course are correct. I meant 209 but my typing brain went the faster direction.
Forum: RV-14 10-23-2020, 08:09 AM
Replies: 8
Views: 488
Posted By rvbuilder2002
Get some 205 hardener. At 88 deg F., using 206...

Get some 205 hardener.

At 88 deg F., using 206 will be a challenge doing the rest of the fiberglass work as well.
Forum: RV General Discussion/News 10-22-2020, 11:41 PM
Replies: 3
Views: 691
Posted By rvbuilder2002
Size specs for each at these...

Size specs for each at these links

https://www.vansaircraft.com/rv-14/

https://www.vansaircraft.com/rv-10/

https://www.vansaircraft.com/rv-7/
(7 & 9 are the same)

The difference between 43” for...
Forum: RV-12/RV-12iS 10-21-2020, 12:51 PM
Replies: 20
Views: 3,236
Posted By rvbuilder2002
The difference is the ability of the FADEC...

The difference is the ability of the FADEC control on the iS engine, to do a better job of adjusting mixture for best power at higher altitudes, than the mechanically self compensating carbs on the...
Forum: RV-14 10-20-2020, 08:30 AM
Replies: 89
Views: 10,852
Posted By rvbuilder2002
Locations on the baffles that others have...

Locations on the baffles that others have suggested you check/seal are good, but the best investigation process is the use of a flash light in a darkened hangar.
Shine the light from below, along the...
Forum: RV Building Tips/Techniques 10-20-2020, 08:18 AM
Replies: 10
Views: 981
Posted By rvbuilder2002
Like you said.... it depends on the...

Like you said.... it depends on the situation.

The RV-10 cabin top is a structural member of the fuselage so a backing doubler strip is specified.
For small fairings, etc., no doubler works fine.
Forum: RV-14 10-19-2020, 03:58 PM
Replies: 21
Views: 1,941
Posted By rvbuilder2002
You are experiencing the dreaded solenoid failure...

You are experiencing the dreaded solenoid failure symptoms.
Usually begins to first show up during quick turns (hot) from fuel stops.

Using a lube on it internally will only postpone the inevitable...
Forum: RV-8/8A 10-19-2020, 03:51 PM
Replies: 24
Views: 2,063
Posted By rvbuilder2002
Maybe not.... I wasn't actually replying to the...

Maybe not....
I wasn't actually replying to the original post so wasn't thinking about the context of minimum speed near stall.
I was just pointing out that when talking in general about the effects...
Forum: RV-8/8A 10-19-2020, 01:01 PM
Replies: 24
Views: 2,063
Posted By rvbuilder2002
It is true. The horizontal tail induces a down...

It is true.

The horizontal tail induces a down load to counter the nose down pitching moment of the wing.

Here is a link to an article that explains...
Forum: RV-14 10-19-2020, 12:56 PM
Replies: 21
Views: 1,941
Posted By rvbuilder2002
That is what we use on all of our aircraft as...

That is what we use on all of our aircraft as well.

Dry. wont attract dirt, and isn't messy to apply.

Regular candle wax does work pretty well also if Boelube isn't available.
Forum: RV-12/RV-12iS 10-19-2020, 09:15 AM
Replies: 2
Views: 413
Posted By rvbuilder2002
Do not spray to get a visual amount of coverage. ...

Do not spray to get a visual amount of coverage. Spray just enough to get it wet (as if you were spraying water). When properly applied, you will be able to see the aluminum grain and mil print (if...
Forum: RV-12/RV-12iS 10-15-2020, 03:10 PM
Replies: 8
Views: 1,016
Posted By rvbuilder2002
If it will only be used on flair fitting "B" nuts...

If it will only be used on flair fitting "B" nuts Like on the bottom of the RV-12 tank) , the torque is relatively low and a standard cheapy set from Harbor Freight will work just fine.
If you need a...
Forum: RV-12/RV-12iS 10-14-2020, 12:40 PM
Replies: 12
Views: 1,331
Posted By rvbuilder2002
I suggest an e-mail to support@vansaircraft.com,...

I suggest an e-mail to support@vansaircraft.com, or give them a call.
Give them the details and it can be looked into.
Forum: RV General Discussion/News 10-14-2020, 09:29 AM
Replies: 14
Views: 1,832
Posted By rvbuilder2002
Have your friend send an e-mail to...

Have your friend send an e-mail to kits@vansaircraft.com.

Barb, Ann, or Kim will get back to them about any questions they have.



Not going to answer for them, because I don't know what procedures...
Forum: RV-12/RV-12iS 10-14-2020, 09:19 AM
Replies: 12
Views: 1,331
Posted By rvbuilder2002
I checked with the engineer that did the design...

I checked with the engineer that did the design work on the new version nose gear leg and he says that the dimensional geometry is identical to the original. There is of course some tolerance...
Forum: Primers 10-13-2020, 12:48 PM
Replies: 19
Views: 2,173
Posted By rvbuilder2002
Paint formulations aren't what they were 25 years...

Paint formulations aren't what they were 25 years ago.... Now adays, a proper primer coat that matches the paint being used is important for good adhesion / durability.

I recommend a light coat of...
Forum: RV Ongoing Maintenance Issues 10-13-2020, 08:19 AM
Replies: 4
Views: 621
Posted By rvbuilder2002
Additional info would be useful. You are using a...

Additional info would be useful.

You are using a prop that very few people use which might be teh reason for very little response.
Is the spinner supplied with the prop by the manufacturer or is it...
Forum: Primers 10-12-2020, 09:32 PM
Replies: 19
Views: 2,173
Posted By rvbuilder2002
Because the maroon is courser than the grey, it...

Because the maroon is courser than the grey, it takes a lot more effort to scuff a major percentage of the surface.
Think in terms of sanding with 80 grit vs 150 grit... the 80 grit will make some...
Forum: RV-9/9A 10-12-2020, 03:28 PM
Replies: 29
Views: 9,734
Posted By rvbuilder2002
Right As I posted previously in this thread,...

Right

As I posted previously in this thread, when comparing performance #'s, it is impossible to get a meaningful data point from just an RPM.

What if your prop is way under pitch for your...
Forum: RV General Discussion/News 10-12-2020, 12:08 PM
Replies: 11
Views: 2,348
Posted By rvbuilder2002
The plans for the RV-3, 4, and 6 contained the...

The plans for the RV-3, 4, and 6 contained the information and details that allowed people to scratch build if the chose to. A few 4's and 6's were built that way and all of the very early 3's were,...
Forum: RV-12/RV-12iS 10-10-2020, 11:41 PM
Replies: 3
Views: 732
Posted By rvbuilder2002
The pedals are already as far fwd. as is...

The pedals are already as far fwd. as is possible. You could add another hinge for the seat back but it would cause a very vertical (Uncomfortable) angle.
The better option would be a reduced...
Forum: Primers 10-09-2020, 02:10 PM
Replies: 19
Views: 2,173
Posted By rvbuilder2002
Scuffing is clearly superior but the self etching...

Scuffing is clearly superior but the self etching action works very well as long as the surface is cleaned well.

Considering that it doesn't take very long to give parts a quick going over with grey...
Forum: Primers 10-09-2020, 02:07 PM
Replies: 19
Views: 2,173
Posted By rvbuilder2002
Keep in mind that this test panel is directly...

Keep in mind that this test panel is directly exposed outdoors 24/7/365.

Even an airplane stored full time out side doesn't get anywhere the same level of exposure to the weather, and chemical...
Forum: Primers 10-09-2020, 10:15 AM
Replies: 19
Views: 2,173
Posted By rvbuilder2002
Sherwin Williams P60G2 longevity Test

Since it has been a while since any info about this test has been provided, I thought it was time for an update.

As has been mentioned in the past, this test is about as un-controled as any can get...
Forum: RV-12/RV-12iS 10-09-2020, 08:37 AM
Replies: 14
Views: 1,253
Posted By rvbuilder2002
John, If you can get the two blind rivets removed...

John,
If you can get the two blind rivets removed from the side of the mounting bracket, the F-1259B Fuel valve Clip can be removed and the valve will come out if the fuel lines are...
Forum: RV-12/RV-12iS 10-08-2020, 11:12 AM
Replies: 18
Views: 2,163
Posted By rvbuilder2002
My 2 cents.... In my opinion, what makes a good...

My 2 cents....

In my opinion, what makes a good pilot is one that can evaluate a situation and make adjustments based on what is happening.... and not have the change(s) cause them any...
Forum: RV General Discussion/News 10-04-2020, 02:58 PM
Replies: 6
Views: 909
Posted By rvbuilder2002
It is a potential issue with the newer design oil...

It is a potential issue with the newer design oil tank.

The old design tanks, the quick drains worked fine.

On the newer tanks, you have to use a spacer fitting that positions the quick drain lower...
Forum: RV-14 10-04-2020, 02:15 PM
Replies: 1
Views: 407
Posted By rvbuilder2002
????

Isn't page 10-3 aft fuselage?

What assembly are you working on?
Forum: Fuel Injection Systems 10-02-2020, 02:51 PM
Replies: 29
Views: 3,648
Posted By rvbuilder2002
The one you have as all that is currently...

The one you have as all that is currently available from Van's (that is why all of the discussion about DIY snorkels).
There will be a AFP version available soon but it will be of no help to you...
Forum: Fuel Injection Systems 10-02-2020, 02:09 PM
Replies: 29
Views: 3,648
Posted By rvbuilder2002
Dan is correct The snorkel shown in the photo was...

Dan is correct
The snorkel shown in the photo was the early prototype / hybrid made by modifying the original that had been used with the RSA servo that was on the original 390A engine.
It was used...
Forum: Fuel Injection Systems 10-01-2020, 11:52 PM
Replies: 29
Views: 3,648
Posted By rvbuilder2002
The reason I mentioned it is that during our...

The reason I mentioned it is that during our "experimenting" phase, we test flew a design that at certain power conditions, the engine would actually die for a couple seconds, come back for a couple...
Forum: Fuel Injection Systems 10-01-2020, 06:32 PM
Replies: 29
Views: 3,648
Posted By rvbuilder2002
The actual shape might be more of a concern than...

The actual shape might be more of a concern than the interior surface finish. While developing the new snorkel for the RV 14 we discovered that the shape of the turn into the airflow performance...
Forum: RV-12/RV-12iS 10-01-2020, 09:10 AM
Replies: 4
Views: 776
Posted By rvbuilder2002
It varies with every builder depending on their...

It varies with every builder depending on their prior experience building things, etc., and because it is when the initial learning / coming up to speed is occurring, but I usually estimate 100-125...
Forum: RV-12/RV-12iS 10-01-2020, 08:30 AM
Replies: 4
Views: 776
Posted By rvbuilder2002
Ken, If I understand your question correctly.......

Ken, If I understand your question correctly.... that you are wondering how many people purchase just an empenage kit to get started, vs buying the entire airframe kit at one time?

I haven't looked...
Forum: RV-14 10-01-2020, 08:16 AM
Replies: 89
Views: 10,852
Posted By rvbuilder2002
Lowering the oil temp and raising the CHT was the...

Lowering the oil temp and raising the CHT was the expected change with the larger cooler SCAT.

Has your oil cooler shutter been installed since first flight? Reason I ask is they can be more...
Forum: RV-14 09-30-2020, 09:31 PM
Replies: 89
Views: 10,852
Posted By rvbuilder2002
While developing the FWF for the EXP119 engine we...

While developing the FWF for the EXP119 engine we wanted to try and balance relationship of the oil temp to the CHT's a little better.

We did a lot of very detailed flight testing as we worked...
Forum: RV-12/RV-12iS 09-30-2020, 01:46 PM
Replies: 7
Views: 2,086
Posted By rvbuilder2002
Good point I have never seen an insert that could...

Good point
I have never seen an insert that could come out of the plug wire cap but I am unfamiliar with the new style cap so assumed it might be from one of those.
Forum: RV-12/RV-12iS 09-30-2020, 12:42 PM
Replies: 7
Views: 2,086
Posted By rvbuilder2002
Start with the top cyl since you found it on top...

Start with the top cyl since you found it on top of the engine. Particularly cyl #4.
Forum: RV-14 09-30-2020, 12:34 PM
Replies: 89
Views: 10,852
Posted By rvbuilder2002
One thing to keep in mind when comparing oil...

One thing to keep in mind when comparing oil temps between different RV's is that even if they are the same model and engine configuration, differences in oil temp will be fairly common.

A primary...
Forum: RV-14 09-29-2020, 10:39 AM
Replies: 10
Views: 845
Posted By rvbuilder2002
Well, my mistake. I was thinking there was a...

Well, my mistake.
I was thinking there was a screw hardware chart in there as well.
Forum: RV-14 09-28-2020, 09:14 PM
Replies: 10
Views: 845
Posted By rvbuilder2002
Section 5 in the construction manual has a...

Section 5 in the construction manual has a hardware identification chart that You might find helpful.
Forum: RV-14 09-28-2020, 11:00 AM
Replies: 10
Views: 845
Posted By rvbuilder2002
The AN525's are washer head screws with some...

The AN525's are washer head screws with some unthreaded / smooth shank.

The smooth shank is the reason they are specified. When a plain screw is used, the threads act like a file under the vibration...
Forum: Propellers 09-27-2020, 11:51 AM
Replies: 17
Views: 4,197
Posted By rvbuilder2002
A 13" spinner has a larger circumference than a...

A 13" spinner has a larger circumference than a 12" spinner.
The extra two screws keep the spacing from getting any larger than what was used on your 12" spinner.
Forum: RV-7/7A 09-24-2020, 11:47 AM
Replies: 9
Views: 953
Posted By rvbuilder2002
That being the case, does it happen to have any...

That being the case, does it happen to have any plastic or UHMW tape applied to the inside of the canopy skirts for scuff protection?
If so, and if any of it is loose, it can act like an instrument...
Forum: Safety 09-24-2020, 11:34 AM
Replies: 52
Views: 4,758
Posted By rvbuilder2002
No Full flaps doesn't provide for much...

No


Full flaps doesn't provide for much additional stall speed reduction but it does produce a significant increase in drag (typically not good in this type of flight situation)

It might make sense...
Forum: Safety 09-24-2020, 07:46 AM
Replies: 52
Views: 4,758
Posted By rvbuilder2002
Curious why you would ever being doing this...

Curious why you would ever being doing this maneuver (so why practice it), with full flaps?
Forum: RV-7/7A 09-23-2020, 04:28 PM
Replies: 9
Views: 953
Posted By rvbuilder2002
Is it a tip-up canopy? If so, does it have a...

Is it a tip-up canopy?
If so, does it have a molded fiberglass targa strip on the aft edge of the canopy?
If not, this is a common location for an air leak that can turn into a very annoying howl.
Forum: RV General Discussion/News 09-23-2020, 04:24 PM
Replies: 210
Views: 52,444
Posted By rvbuilder2002
Better yet, would be to go have a general...

Better yet, would be to go have a general physical done by a Dr. who is an AME and then as part of that physical have a discussion to confirm whether you meet all of the requirements for a 3rd class....
Forum: RV-6/6A 09-23-2020, 09:56 AM
Replies: 27
Views: 3,675
Posted By rvbuilder2002
I never meant the above list to be consider...

I never meant the above list to be consider comprehensive (note, I said there are a "bunch of different factors that can influence shimmy"). Sorry if it made that impression.

These are some of the...
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