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Search: Posts Made By: seagull
Forum: RV-12/RV-12iS Today, 12:20 AM
Replies: 10
Views: 544
Posted By seagull
#1 Do a "mag check" at the RPM where you have the...

#1 Do a "mag check" at the RPM where you have the most vibration. Does one side drop more than the other? How much is the difference?

#2 how are you hooking up your carb balancer? Do you disconnect...
Forum: RV-12/RV-12iS 04-12-2021, 12:53 PM
Replies: 283
Views: 61,987
Posted By seagull
This is interesting, I’ll be following you. I...

This is interesting, I’ll be following you.
I would start a new thread specifically dealing with the vapor lock.

It is my understanding the vapor lock occurs in the fuel lines not in the bowl....
Forum: RV-12/RV-12iS 04-10-2021, 02:15 PM
Replies: 19
Views: 700
Posted By seagull
Thanks Scott, I had been using EZ-turn, it is...

Thanks Scott, I had been using EZ-turn, it is sticky, messy, seems counter productive to make things easy to remove.
Forum: RV-12/RV-12iS 04-10-2021, 12:39 PM
Replies: 19
Views: 700
Posted By seagull
------ BUMP------

------ BUMP------
Forum: RV-12/RV-12iS 04-09-2021, 08:59 PM
Replies: 19
Views: 700
Posted By seagull
Is this still the lube of choice for the O-Ring...

Is this still the lube of choice for the O-Ring on the gascolator bowl gasket, Dupont Molycote 4 (Formerly Dow Corning DC-4)?
Forum: RV-12/RV-12iS 04-06-2021, 10:38 PM
Replies: 19
Views: 700
Posted By seagull
Good sleuthing Ninerbikes; I copied the wrong...

Good sleuthing Ninerbikes;
I copied the wrong line, it's the bowl gasket I was looking for,

Description; GAS-1 Bowl gasket Part number; GAS-1 GASKET

It might be this one on that list, I'll have to...
Forum: RV-12/RV-12iS 04-06-2021, 09:49 PM
Replies: 25
Views: 5,396
Posted By seagull
TLAR, PBA (probably be alright) was used on the...

TLAR, PBA (probably be alright) was used on the first ones in this thread. Explaining how to do that was too involved to share, and sourcing the basic spring was a problem without giving access to my...
Forum: RV-12/RV-12iS 04-06-2021, 09:43 PM
Replies: 19
Views: 700
Posted By seagull
Not at all, never gave it a thought. As I...

Not at all, never gave it a thought.

As I explained in the first post I will be picking up an order from Spruce tomorrow and wanted to put it on the order. It is for inventory not an immediate need.
Forum: RV-12/RV-12iS 04-06-2021, 09:19 PM
Replies: 19
Views: 700
Posted By seagull
Thanks for the Wicks / Usher #. Aircraft Spruce...

Thanks for the Wicks / Usher #.
Aircraft Spruce is where I am ordering from, nothing crosses over there.
Forum: RV-12/RV-12iS 04-06-2021, 08:56 PM
Replies: 19
Views: 700
Posted By seagull
Vans describes it as "O Ring Gasket GAS 3,4,5,6"...

Vans describes it as "O Ring Gasket GAS 3,4,5,6" part number "GAS-3-4-5 GASKET“
Forum: RV-12/RV-12iS 04-06-2021, 05:57 PM
Replies: 19
Views: 700
Posted By seagull
gascolator gasket

Does anyone know if Aircraft Spruce sells the gasket "O Ring" for our gascolator?

Vans describes it as "O Ring Gasket GAS 3,4,5,6" part number "GAS-3-4-5 GASKET"

I am fortunate to have a Spruce...
Forum: RV-12/RV-12iS 04-06-2021, 05:48 PM
Replies: 283
Views: 61,987
Posted By seagull
I removed my shroud 10/2/20, when I changed to...

I removed my shroud 10/2/20, when I changed to silicone coolant hoses. That was 146 hours ago. I did not notice any temperature differences after the change.

The floats were changed to Marvel...
Forum: RV-12/RV-12iS 04-05-2021, 08:01 AM
Replies: 12
Views: 763
Posted By seagull
I use a locking cap, the key is on the same ring...

I use a locking cap, the key is on the same ring as the ignition. When I remove the cap the key stays in it. If I forget to put it back on when I go to start the key isn’t in my pocket.

This serves...
Forum: RV-12/RV-12iS 04-04-2021, 04:32 PM
Replies: 8
Views: 709
Posted By seagull
Great memories, congratulations on your 50th,...

Great memories, congratulations on your 50th, thanks for sharing.
Forum: RV-12/RV-12iS 04-02-2021, 09:55 PM
Replies: 12
Views: 980
Posted By seagull
I had already started a thread some time back...

I had already started a thread some time back discussing the additional spring I used.

In an effort to keep things organized I have posted the spring solution in that thread. This way if someone is...
Forum: RV-12/RV-12iS 04-02-2021, 09:55 PM
Replies: 25
Views: 5,396
Posted By seagull
Per a few requests I sourced a spring that will...

Per a few requests I sourced a spring that will give the same results as the ones I made from my 'junk" drawer.

These are new springs I just made for this instructional. The spring I used came from...
Forum: RV-12/RV-12iS 04-02-2021, 07:21 PM
Replies: 7
Views: 363
Posted By seagull
I totally understand there is a “fix”. I have a...

I totally understand there is a “fix”. I have a Garmin 696 on the right side so there really isn’t an option other than a new panel for that side. If I am doing that I might as well make a new left...
Forum: RV-12/RV-12iS 04-02-2021, 06:56 PM
Replies: 7
Views: 363
Posted By seagull
I read somewhere that the hole is a slightly...

I read somewhere that the hole is a slightly different size and a filler is required to fill the gap. I had entertained the ideas myself but didn’t want it to cut new dash panels, ...... and the $8k...
Forum: RV-12/RV-12iS 04-01-2021, 09:07 PM
Replies: 12
Views: 980
Posted By seagull
I checked at Home Depot today, nothing usable....

I checked at Home Depot today, nothing usable. Tomorrow I will go to a store that has hundreds of these type of springs, McFadden-Dale. I will be able to test them and get a mfg & part number, stand...
Forum: RV-12/RV-12iS 03-31-2021, 10:03 PM
Replies: 12
Views: 980
Posted By seagull
Tony, I made the spring using a much longer...

Tony,

I made the spring using a much longer spring out of my spring assortment, then cut it to length, (same length as OEM). I experimented with several to get the pull I was looking for, something...
Forum: RV-12/RV-12iS 03-30-2021, 07:36 PM
Replies: 12
Views: 980
Posted By seagull
What I did, and suggested, was adding additional...

What I did, and suggested, was adding additional springs in the original tension spring positions. The Van's tension springs are roughly 10# pull. McFarlane tension springs are 5# pull. I made...
Forum: RV-12/RV-12iS 03-30-2021, 07:28 PM
Replies: 8
Views: 604
Posted By seagull
Think about this; The Rotax 912 has a TBO of...

Think about this;

The Rotax 912 has a TBO of 2000 hours the same as a Lycoming 0-360. That is saying the manufacturer expects the engine to last 2000 hours before needing a major overhaul.

The...
Forum: RV-12/RV-12iS 03-30-2021, 11:07 AM
Replies: 27
Views: 3,103
Posted By seagull
https://military-fasteners.com/public/images/parts...

https://military-fasteners.com/public/images/parts/AN525-832R8__5ef2579491658.jpg
Forum: RV-12/RV-12iS 03-30-2021, 09:48 AM
Replies: 21
Views: 1,365
Posted By seagull
Joe, when I post here it is to help others. Some...

Joe, when I post here it is to help others. Some readers may take your words literally, I was just clarifying, nothing personal.

Tony at Van's is who suggested flattening the plate with a mallet. I...
Forum: RV-12/RV-12iS 03-29-2021, 11:24 PM
Replies: 21
Views: 1,365
Posted By seagull
I agree, a hammer should never be used to fix...

I agree, a hammer should never be used to fix airplane parts,........ a mallet is a different tool.

My plane was AOG and I have an understanding of metal and feel comfortable with my skills, I did...
Forum: RV-12/RV-12iS 03-29-2021, 02:15 PM
Replies: 21
Views: 1,365
Posted By seagull
If you are bending it downward you are not...

If you are bending it downward you are not supporting it properly. The plate angle to the leg should not need changing, it’s only the warp in the plate you are trying to remove.


If you are not...
Forum: RV-12/RV-12iS 03-29-2021, 01:16 PM
Replies: 21
Views: 1,365
Posted By seagull
The weld should not need flattening only the...

The weld should not need flattening only the sheet metal past the weld.

I would not use a hammer, only a rubber mallet with something pliable backing up the plate. A hammer will stretch the metal...
Forum: RV-12/RV-12iS 03-29-2021, 12:55 PM
Replies: 21
Views: 1,365
Posted By seagull
Mine was warped worse. It is happening when they...

Mine was warped worse. It is happening when they heat treat the assembly. I used a rubber mallet and backed up the plate on a hard rubber pad. I was able to get it almost perfectly flat working one...
Forum: RV-12/RV-12iS 03-29-2021, 12:31 PM
Replies: 21
Views: 1,365
Posted By seagull
I had an issue that sounds similar on one of my...

I had an issue that sounds similar on one of my replacements. A pic of yours would help. I was working with Tony on the phone support at Vans to help resolve it. The higher-ups at vans were not...
Forum: RV-12/RV-12iS 03-28-2021, 11:12 AM
Replies: 11
Views: 2,603
Posted By seagull
Scott, what do you guys think of this update?...

Scott, what do you guys think of this update? It’s been out for almost 2 months, I’m holding off until Van’s gives it their blessing.
Forum: RV-12/RV-12iS 03-27-2021, 12:35 PM
Replies: 7
Views: 484
Posted By seagull
Jim, Are your carb springs pulling to the side or...

Jim, Are your carb springs pulling to the side or is it the angle of the picture?

It was my understanding the spring was there to offset the cantilever weight of the carb & air cleaner flexing on...
Forum: RV-12/RV-12iS 03-27-2021, 12:20 PM
Replies: 24
Views: 2,062
Posted By seagull
John G, The method I used has nothing that could...

John G,

The method I used has nothing that could get sucked into the intake. The vent tube fits snugly through the rubber at the end of the air cleaner. The ferrule is inside the tube causing the OD...
Forum: RV-12/RV-12iS 03-27-2021, 12:19 AM
Replies: 24
Views: 2,062
Posted By seagull
I have had sinking floats. It is a problem that...

I have had sinking floats. It is a problem that is noticeable by a rough running engine then confirmed with a weight test and corrected with new floats. Very annoying but nothing that would cause the...
Forum: RV-12/RV-12iS 03-26-2021, 05:26 PM
Replies: 24
Views: 2,062
Posted By seagull
Motorcycles park with a kickstand, this puts the...

Motorcycles park with a kickstand, this puts the carb & floats at a slant the needle seat doesn’t work properly that way, that is why they leak.

I didn’t get the kick stand option with my -12.
Forum: RV-12/RV-12iS 03-26-2021, 11:07 AM
Replies: 24
Views: 2,062
Posted By seagull
If this condition happens the engine will run...

If this condition happens the engine will run extremely rough. There will not be enough fuel entering through the needle to cause hydraulic lock. As pilot you will know something is wrong and reduce...
Forum: RV-12/RV-12iS 03-26-2021, 01:45 AM
Replies: 24
Views: 2,062
Posted By seagull
That is one scenario, BUT I doubt the small tube...

That is one scenario, BUT I doubt the small tube would be able to relieve the massive flow in your situation. Lets assume you keep the stock vent into the drip pan with your scenario and the pan...
Forum: RV-12/RV-12iS 03-25-2021, 10:28 PM
Replies: 24
Views: 2,062
Posted By seagull
My thinking on that was; I wanted the hose to...

My thinking on that was;

I wanted the hose to terminate in the center of the air filter to be in the middle of the pressure area, maybe this doesn't matter......

The hose through the hole is...
Forum: RV-12/RV-12iS 03-25-2021, 05:48 PM
Replies: 24
Views: 2,062
Posted By seagull
The "Ferrule" is tight in the tube, even if it...

The "Ferrule" is tight in the tube, even if it wasn't I could not get through the hole in the air filter and could not go the other direction through the fitting at the carburetor.

As for the...
Forum: RV-12/RV-12iS 03-25-2021, 03:20 PM
Replies: 24
Views: 2,062
Posted By seagull
EGT thermocouple connector.

EGT thermocouple connector.
Forum: RV-12/RV-12iS 03-25-2021, 02:59 PM
Replies: 24
Views: 2,062
Posted By seagull
I drilled a hole slightly undersized in the...

I drilled a hole slightly undersized in the center of the air cleaner, the hose is a snug fit. Originally I used a small tie to keep it from moving inward, (top pic). I later was concerned about the...
Forum: RV-12/RV-12iS 03-25-2021, 02:07 PM
Replies: 24
Views: 2,062
Posted By seagull
YMMV “Your Mileage May Vary”

This is what I have done and my results.

I extended the bowl vent tubes and inserted them 1” into the rear of their respective K & N air cleaners. The improvement was a smoother running engine and a...
Forum: RV-12/RV-12iS 03-24-2021, 01:14 PM
Replies: 27
Views: 3,103
Posted By seagull
Pictures please, I can't quite visualize this.

Pictures please, I can't quite visualize this.
Forum: RV-12/RV-12iS 03-22-2021, 09:39 AM
Replies: 7
Views: 1,113
Posted By seagull
What is your average hourly fuel rate?

Rotax 912ULS fliers.

If you typically cruise 100 - 110kts and have average ground run-up and taxi times, how much fuel do you use per hour (actual fuel replacement measured)?

Please share any...
Forum: RV-12/RV-12iS 03-18-2021, 10:47 PM
Replies: 34
Views: 2,774
Posted By seagull
The steering pivot on a motorcycle / bicycle is...

The steering pivot on a motorcycle / bicycle is on the centerline of axle. On our planes the pivot is significantly forward of the axle.
Forum: RV-12/RV-12iS 03-18-2021, 01:29 PM
Replies: 34
Views: 2,774
Posted By seagull
Jig the leg in a vice or on a work bench to hold...

Jig the leg in a vice or on a work bench to hold it steady. Zero a digital level on the firewall side tube then compare the lower tube. If you already have it on the plane you can zero the level on...
Forum: RV-12/RV-12iS 03-18-2021, 10:48 AM
Replies: 34
Views: 2,774
Posted By seagull
There is a known issue with the replacement nose...

There is a known issue with the replacement nose legs. The bends are not to spec. The part that bolts to the firewall should be parallel to the bottom vertical axle that the fork pivots on. I have...
Forum: RV-12/RV-12iS 03-18-2021, 09:54 AM
Replies: 34
Views: 2,774
Posted By seagull
Has your plane had the nose leg replaced?

Has your plane had the nose leg replaced?
Forum: RV-12/RV-12iS 03-17-2021, 11:01 AM
Replies: 54
Views: 10,706
Posted By seagull
I used the original spring. I bent the raw end...

I used the original spring. I bent the raw end inward to be sure it would not ever touch the silicone. If you twist the spring in the direction to reduce its diameter while installing it goes much...
Forum: RV-12/RV-12iS 03-14-2021, 08:21 PM
Replies: 26
Views: 3,849
Posted By seagull
Is this the correct...

Is this the correct location?


https://live.staticflickr.com/65535/51038061106_133fe05c49_c.jpg
Forum: RV-12/RV-12iS 03-14-2021, 05:22 PM
Replies: 26
Views: 3,849
Posted By seagull
Jim, can you share some pics of the crack close...

Jim, can you share some pics of the crack close up and distant showing the relationship to the overall mount.
Forum: RV-12/RV-12iS 03-14-2021, 11:51 AM
Replies: 10
Views: 878
Posted By seagull
Remove the terminal from the battery, put an amp...

Remove the terminal from the battery, put an amp meter inline. You can use a cheap Harbor Freight meter set on the 10 amp scale works just fine. With the plane “off” you can monitor any current...
Forum: RV-12/RV-12iS 03-11-2021, 01:07 PM
Replies: 54
Views: 10,706
Posted By seagull
I seriously considered doing the same but instead...

I seriously considered doing the same but instead stayed with the preformed 90 degree silicone piece.

Be careful that when the hose gets hot that the pressure of the bend causes it to kink and...
Forum: RV-12/RV-12iS 03-10-2021, 10:36 PM
Replies: 54
Views: 10,706
Posted By seagull
Smile Silicone is the preferred choice in race cars,...

Silicone is the preferred choice in race cars, obviously i am not flying a race car:)

I will see how they look after some time, I expect they will outlast the rubber. Silicone does not do well with...
Forum: RV-12/RV-12iS 03-10-2021, 09:06 AM
Replies: 54
Views: 10,706
Posted By seagull
If you get the HPS 90 degree hose I specified,...

If you get the HPS 90 degree hose I specified, the 7329K16 clamp is a perfect fit. These clamps do not have a lot of range, they are designed for one diameter only while giving just enough squeeze...
Forum: RV-12/RV-12iS 03-10-2021, 08:46 AM
Replies: 54
Views: 10,706
Posted By seagull
I posted all this information on page 2 #17. Here...

I posted all this information on page 2 #17. Here it is again.

https://hpsperformanceproducts.com/ click on "silicone heater hose"

HPS 1" ID Blue High Temp Reinforced Silicone Heater Hose Tubing,...
Forum: RV-12/RV-12iS 03-08-2021, 12:11 AM
Replies: 54
Views: 10,706
Posted By seagull
I posted the hoses and clamps...

I posted the hoses and clamps here;
https://vansairforce.net/community/showpost.php?p=1470744&postcount=17

Depending on the hose you use you may be able to reuse the Rotax clamps. The 90 degree hose...
Forum: RV-12/RV-12iS 02-24-2021, 08:52 PM
Replies: 12
Views: 1,497
Posted By seagull
I use one of these to drain the tank. It gets all...

I use one of these to drain the tank. It gets all but the last 1 1/2 gallons. Then the remaining through the gascolator.

https://www.harborfreight.com/self-priming-copper-jiggler-pump-47334.html
Forum: RV-12/RV-12iS 02-23-2021, 08:59 PM
Replies: 54
Views: 10,706
Posted By seagull
I am using a vinyl tubing from the aviation...

I am using a vinyl tubing from the aviation department at Home Depot. The length is about 10" and runs from the carburetor vent to the air cleaner.
Forum: RV-12/RV-12iS 02-22-2021, 09:51 PM
Replies: 54
Views: 10,706
Posted By seagull
Are you talking about the balance tubes coming...

Are you talking about the balance tubes coming off the carburetor? 11mm ID sounds too big for that hose.

You don't want to use silicone near gasoline, the gasoline will swell it up and make it...
Forum: RV Ongoing Maintenance Issues 02-18-2021, 08:49 PM
Replies: 5
Views: 1,018
Posted By seagull
I did this technique a while back, it is holding...

I did this technique a while back, it is holding up just fine.
https://vansairforce.net/community/showpost.php?p=1471603&postcount=11
The primary difference from the above method is bonding (JB...
Forum: RV-12/RV-12iS 02-12-2021, 10:09 AM
Replies: 6
Views: 1,671
Posted By seagull
This may be the cause of what I am seeing. In my...

This may be the cause of what I am seeing. In my case the engine has 600+ hours and in the last 100 hrs the amount that has leaked out isn't enough to drip on the cowl.
The assembly lube in the stud...
Forum: RV-12/RV-12iS 02-08-2021, 07:57 PM
Replies: 6
Views: 1,671
Posted By seagull
something leaking from exhaust stud

I noticed this leak that appears to be coming out of the #1 cylinder lower exhaust stud. It appears to be oil. There are no drips on the lower cowling and it is not blown back on the engine. This...
Forum: RV-12/RV-12iS 02-02-2021, 04:43 PM
Replies: 19
Views: 1,868
Posted By seagull
Suggestions? Should I start a new thread?

Suggestions?
Should I start a new thread?
Forum: RV-12/RV-12iS 02-02-2021, 03:19 PM
Replies: 19
Views: 1,868
Posted By seagull
How do these numbers look for prop pitch? Two...

How do these numbers look for prop pitch? Two blade Sensenich.
Obviously the GPM is a calculation but it is spot on when I measure remaining gallons in the tank. I fly at gross and typically 120...
Showing results 1 to 64 of 255

 
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