VansAirForceForums  
Home > VansAirForceForums

-POSTING RULES
-Advertise in here!
- Today's Posts | Insert Pics

Keep VAF Going
Donate methods

Point your
camera app here
to donate fast.


Go Back   VAF Forums > Search Forums
Register FAQ Members List Calendar Search Today's Posts Mark Forums Read

Showing results 1 to 64 of 500
Search took 0.02 seconds.
Search: Posts Made By: seagull
Forum: RV-12/RV-12iS 10-02-2022, 06:38 PM
Replies: 33
Views: 3,403
Posted By seagull
Success!

I have added a second oil cooler and the the first test flights were today. Starting at 1570í I climbed to 7500í continuous at 600fpm, oil temp never exceeded 220f. OAT 85f.
The same flight was done...
Forum: RV-12/RV-12iS 09-24-2022, 12:34 PM
Replies: 9
Views: 1,824
Posted By seagull
I do not experience this in my -12. I have flown...

I do not experience this in my -12.
I have flown north and south along the east side of the sierras with west winds at 10,000 Ė 11,500, Mead Valley to Reno, it is turbulent and with feet on the floor...
Forum: RV-12/RV-12iS 09-20-2022, 02:08 PM
Replies: 2
Views: 465
Posted By seagull
Wayne Flemmington, he is at F70 (French Valley),...

Wayne Flemmington, he is at F70 (French Valley), (951) 255-9144.
Forum: RV-12/RV-12iS 09-16-2022, 06:43 PM
Replies: 20
Views: 2,401
Posted By seagull
I have the same experience. In the past 3 years I...

I have the same experience. In the past 3 years I have put 3200 gallons of E10 through my 912ULS. Nothing on the screen or in the bowls (checked at 100 hrs), carbs have not been serviced, they run...
Forum: RV-12/RV-12iS 09-15-2022, 12:11 PM
Replies: 15
Views: 2,498
Posted By seagull
At 1200rpm an out of balance nose wheel will...

At 1200rpm an out of balance nose wheel will shake but not as bad as when it decelerates around 1/2 that RPM and hits the natural frequency of the nose gear strut. Do it yourself and you will be a...
Forum: RV-12/RV-12iS 09-14-2022, 01:06 PM
Replies: 15
Views: 2,498
Posted By seagull
What I do; tip the plane so the nose wheel is off...

What I do; tip the plane so the nose wheel is off the ground, easiest way is to put weight on the tail anchor. Remove the rear nose wheel faring. Spin the wheel to 1200 rpm and let it coast to zero....
Forum: RV-12/RV-12iS 09-12-2022, 11:52 PM
Replies: 20
Views: 2,401
Posted By seagull
If particles from the tank or anywhere else...

If particles from the tank or anywhere else upstream made it to the carburetor bowl you should be looking at the gascolator, see if it is assembled correctly, or has a missing or bent screen, etc....
Forum: RV-12/RV-12iS 09-12-2022, 10:47 PM
Replies: 9
Views: 1,165
Posted By seagull
When you consider the number of 912ULS powered...

When you consider the number of 912ULS powered airplanes, gyros, drones, snowmobiles, and a number of other applications that use the 912ULS. Add to that there are others that use the same BING 64...
Forum: RV-12/RV-12iS 09-12-2022, 09:34 AM
Replies: 20
Views: 2,401
Posted By seagull
My thought exactly, how was this getting past the...

My thought exactly, how was this getting past the gascolator?
Forum: RV-12/RV-12iS 08-29-2022, 05:54 PM
Replies: 16
Views: 2,299
Posted By seagull
When I tested it I covered one and left the other...

When I tested it I covered one and left the other open. I felt if there was a significant drag increase the plane would have yawed into the uncovered wing. Even though subjective I could not feel a...
Forum: RV-12/RV-12iS 08-26-2022, 11:26 AM
Replies: 18
Views: 4,779
Posted By seagull
I have been having the same problem as the OP for...

I have been having the same problem as the OP for the past month. I have jiggled everything while watching the satellite screen, and at first I can create the signal loss but can't exactly locate the...
Forum: RV-12/RV-12iS 08-24-2022, 01:28 AM
Replies: 10
Views: 1,239
Posted By seagull
Obviously the LED is for quick identification of...

Obviously the LED is for quick identification of a blown fuse, that might be important at 8,000' trying to trouble shoot a problem.

With the meter across a blown fuse it reads 0 ohms on the 60 mega...
Forum: RV-12/RV-12iS 08-23-2022, 10:54 PM
Replies: 10
Views: 1,239
Posted By seagull
Thanks rtlongdon, I have researched all the other...

Thanks rtlongdon, I have researched all the other styles, the easyID look the best of what I can find available.

The ones I am looking for have the name "smart glow", it is a different appearance...
Forum: RV-12/RV-12iS 08-23-2022, 03:46 PM
Replies: 10
Views: 1,239
Posted By seagull
This was from Tim at Stein Air today; It seems...

This was from Tim at Stein Air today;

It seems to be an availability thing... All of the 30A (sa-230L) are rounded translucent but only some of the 7.5s, 25s, and some others and it looks like none...
Forum: RV-12/RV-12iS 08-23-2022, 02:48 PM
Replies: 10
Views: 1,239
Posted By seagull
I saw the same thing, went through the process to...

I saw the same thing, went through the process to get an account with Tifco, placed an order which came yesterday. They were the flat ones, I called the salesman and he didnít have an explanation....
Forum: RV-12/RV-12iS 08-23-2022, 12:19 PM
Replies: 10
Views: 1,239
Posted By seagull
heard to find fuse style

Does anyone know who supplies these rounded top fuses. These are the ones with the LED that shines when the fuse is blown. I have found the flat top ones everywhere but these rounded ones are like...
Forum: RV-12/RV-12iS 08-18-2022, 12:53 PM
Replies: 33
Views: 3,403
Posted By seagull
I started this thread to ask about oil cooler...

I started this thread to ask about oil cooler options, it morphed into discussion about ways to cool the engine and now comparing ULS to IS.

At no time was my intent to dispute Vanís research, I...
Forum: RV-12/RV-12iS 08-18-2022, 11:32 AM
Replies: 33
Views: 3,403
Posted By seagull
I do not agree the 912is produces that much more...

I do not agree the 912is produces that much more heat than the ULS, especially enough requiring 3X more airflow. Maybe the voltage regulator produces a bit more but it has a dedicated NACA scoop to...
Forum: RV-12/RV-12iS 08-18-2022, 09:41 AM
Replies: 33
Views: 3,403
Posted By seagull
The increase in airflow volume going through the...

The increase in airflow volume going through the cowl looks to be an increase of 300% over the legacy cowl. There is the additional opening for the coolant radiator also 3 additional NACA scoops and...
Forum: RV-12/RV-12iS 08-14-2022, 02:03 PM
Replies: 33
Views: 3,403
Posted By seagull
When I added it, (the thermostasis) the ambient...

When I added it, (the thermostasis) the ambient was in the 80ís, I saw a 3-4 degree rise but that is very subjective. The oil temp rises fast on takeoff but then virtually stops rising while the...
Forum: RV-12/RV-12iS 08-14-2022, 10:41 AM
Replies: 33
Views: 3,403
Posted By seagull
I will add that to my list of things to try. I...

I will add that to my list of things to try.
I did make spacers and longer screws for the bottom 4 cowl screws where the air exits. I lowered it 5/8Ē creating a bigger exit but didnít see a change...
Forum: RV-12/RV-12iS 08-14-2022, 10:00 AM
Replies: 33
Views: 3,403
Posted By seagull
I DO HAVE the cooler moved forward, also HAVE the...

I DO HAVE the cooler moved forward, also HAVE the Aircraft Specialty Flightlines hoses and thermostatis installed. I have also added a IR reflective shield between the muffler and cooler.
Forum: RV-12/RV-12iS 08-14-2022, 07:29 AM
Replies: 33
Views: 3,403
Posted By seagull
I have considered the same thing but am not sure...

I have considered the same thing but am not sure the current oil cooler can do much more. Yesterday I added a temporary baffle in the plenum to direct more air to the oil cooler and less to the water...
Forum: RV-12/RV-12iS 08-12-2022, 10:54 AM
Replies: 33
Views: 3,403
Posted By seagull
The 912is has a completely different cowl. Both...

The 912is has a completely different cowl. Both radiators are up front, there are NACA scoops on both sides. A lot more area to let air in for cooling.
How much difference is made in oil temp having...
Forum: RV-12/RV-12iS 08-12-2022, 09:16 AM
Replies: 33
Views: 3,403
Posted By seagull
I back off RPM at 240f, on a 100 degree day that...

I back off RPM at 240f, on a 100 degree day that will usually get me 2000', if I stay at full power it will keep climbing in temp. I have checked the calibration on the sending unit / Dynon with...
Forum: RV-12/RV-12iS 08-11-2022, 12:00 PM
Replies: 33
Views: 3,403
Posted By seagull
BIGGER oil cooler, anyone tried it?

For those of us that live and fly in the HOT south west. Keeping oil temps reasonable on full power climb outs requires step climbing, or power reduction. It seems if we could get 20% more efficiency...
Forum: RV-12/RV-12iS 08-03-2022, 10:18 PM
Replies: 5
Views: 723
Posted By seagull
how I routed mine

I had the right line push up against the #3 exhaust pipe when the cooler lifted into position with the lower cowl on. It looked fine when the cowl was off. The hose got burned on the silicone down to...
Forum: RV-12/RV-12iS 08-02-2022, 11:53 AM
Replies: 57
Views: 17,239
Posted By seagull
I talked to Ray Allen, they will do the...

I talked to Ray Allen, they will do the replacement for $150.00, 1/2 price of a new trim motor. They will take your old motor but is is not necessary.

The parts to change the tray, bushings and...
Forum: RV-12/RV-12iS 07-31-2022, 12:27 AM
Replies: 57
Views: 17,239
Posted By seagull
I just hit 1000 hours, itís time to change the...

I just hit 1000 hours, itís time to change the trim motor. Does anyone know if Ray Allen still honors the replacement deal?
Forum: RV-12/RV-12iS 07-28-2022, 02:20 PM
Replies: 16
Views: 2,299
Posted By seagull
I just covered only my right wing handle hole...

I just covered only my right wing handle hole with packing tape and went out for a flight. I thought if there was a benefit I would be able to notice a yaw. Result, nothing noticeable in the flight...
Forum: RV-12/RV-12iS 07-18-2022, 10:38 PM
Replies: 25
Views: 3,263
Posted By seagull
My experience

I want to relate an incident I had. I am not taking sides, just sharing. On a very hot summer day last year I landed at Thermal airport by Salton Sea. I was there for a quick 15 minute visit. When I...
Forum: RV-12/RV-12iS 07-09-2022, 10:17 AM
Replies: 260
Views: 49,418
Posted By seagull
I used a sharpened metal tube to score the paint....

I used a sharpened metal tube to score the paint. Actually it was a .223 brass bullet casing sharpened using a few passes on the inside with an exactly knife. Place this tool over the head of the...
Forum: RV-12/RV-12iS 07-07-2022, 10:53 PM
Replies: 18
Views: 2,505
Posted By seagull
Why all the guessing and speculation? Did anyone...

Why all the guessing and speculation? Did anyone watch this video?

https://www.youtube.com/watch?v=VwPAiuu1dxw
Forum: RV-12/RV-12iS 07-05-2022, 09:05 AM
Replies: 18
Views: 2,505
Posted By seagull
Not that it matters in this discussion but I am...

Not that it matters in this discussion but I am pretty sure all the 912ULS 100hp engines were 2.43:1.

This is a video of the Remos GX doing an air restart. They don't say but the 912ULS is the...
Forum: RV-12/RV-12iS 07-01-2022, 07:54 PM
Replies: 21
Views: 4,779
Posted By seagull
The forward slip is used to reduce altitude for...

The forward slip is used to reduce altitude for landing, the side slip to stay aligned with the runway in a cross wind. Aerodynamically they are the same maneuver. The forward slip is typically more...
Forum: RV-12/RV-12iS 06-23-2022, 10:08 AM
Replies: 40
Views: 6,024
Posted By seagull
What is your airspeed @ 5400 RPM?

What is your airspeed @ 5400 RPM?
Forum: RV-12/RV-12iS 06-21-2022, 05:52 PM
Replies: 6
Views: 890
Posted By seagull
Good info Bob, I asked the guy on the phone,...

Good info Bob,

I asked the guy on the phone, assume owner, what the weight of the mercury was and he hedged the answer saying people were trying to copy his idea.

I wanted to know because he said I...
Forum: RV-12/RV-12iS 06-21-2022, 04:47 PM
Replies: 6
Views: 890
Posted By seagull
He said one fits between the prop drive plate and...

He said one fits between the prop drive plate and the spinner backplate. The other one for the engine fits in the stator bolt at the rear of the engine.
Forum: RV-12/RV-12iS 06-21-2022, 01:06 PM
Replies: 6
Views: 890
Posted By seagull
Mercury ring engine balancer

Has anyone used one of these? What were your thoughts?
The company is Sun-Tech, the person answering the phone talked like he was the owner but when I asked if after putting it on my plane would I...
Forum: RV-12/RV-12iS 06-18-2022, 11:32 AM
Replies: 40
Views: 6,024
Posted By seagull
[QUOTE=Piper J3;1614662]As a follow-up to my...

[QUOTE=Piper J3;1614662]As a follow-up to my original post #1Ö I modified the lower cowling to move the oil cooler 1Ē forward. Worked a charmÖ Now in cruise flight, at 75 OAT, I see 207F oil temp....
Forum: RV-12/RV-12iS 06-14-2022, 05:35 PM
Replies: 4
Views: 987
Posted By seagull
Fuel pressure drops in flight.

Has anyone had or heard of a problem where the fuel pressure drops from 5.1 to to 3.8psi randomly?
I have seen this on my Dynon charts for the past few months. I am thinking it might be the sensor...
Forum: RV-12/RV-12iS 06-12-2022, 03:37 PM
Replies: 6
Views: 1,351
Posted By seagull
I have this table lift. With it I can do all the...

I have this table lift. With it I can do all the lifting without any help.

1. It will lift the whole airplane from the center.

2. To service one wheel add a furniture blanket folded many layers and...
Forum: RV-12/RV-12iS 06-08-2022, 02:21 PM
Replies: 43
Views: 5,484
Posted By seagull
Thank you, good information.

Thank you, good information.
Forum: RV-12/RV-12iS 06-04-2022, 06:16 PM
Replies: 43
Views: 5,484
Posted By seagull
I use Aeroshell Sport Plus 4, it is also 10W-40,...

I use Aeroshell Sport Plus 4, it is also 10W-40, Iím not seeing that pressure changing. Do these engines have an oil pressure regulator?
Forum: RV-12/RV-12iS 06-04-2022, 12:30 PM
Replies: 43
Views: 5,484
Posted By seagull
Jim, it is strange that as your oil temp...

Jim, it is strange that as your oil temp increased your oil pressure also increased. I would expect the pressure to remain the same or decrease as the oil thins with temperature.
Forum: RV-12/RV-12iS 06-04-2022, 10:42 AM
Replies: 43
Views: 5,484
Posted By seagull
I pulled this data from the Dynon. This data...

I pulled this data from the Dynon. This data spans a 2 year period to current. I used a point in the flight that had at minimum of 5 minutes level flight in cruise.

26629
Forum: RV-12/RV-12iS 06-04-2022, 08:46 AM
Replies: 43
Views: 5,484
Posted By seagull
What was your airspeed, and RPM for these tests?

What was your airspeed, and RPM for these tests?
Forum: RV-12/RV-12iS 06-03-2022, 03:39 PM
Replies: 43
Views: 5,484
Posted By seagull
There are so many variables, OAT, rate of climb,...

There are so many variables, OAT, rate of climb, cruise speed, altitude, RPM, gross weight, etc. I have charted it over 2 years with most variables. Tell me a few parameters an I will look it up.
Forum: RV-12/RV-12iS 06-03-2022, 01:14 PM
Replies: 43
Views: 5,484
Posted By seagull
I am curious how much room you have between the...

I am curious how much room you have between the muffler and the oil cooler. My cowl has been modified to move the cooler forward, I have 3/4Ē space to the original muffler. I wonder if that is enough...
Forum: RV-12/RV-12iS 06-02-2022, 09:59 AM
Replies: 18
Views: 2,886
Posted By seagull
It does not roll into the bank fast, at least in...

It does not roll into the bank fast, at least in my opinion, and it is nothing different than it has always done. here are my settings, maybe it will explain something.

26576
Forum: RV-12/RV-12iS 06-01-2022, 09:13 PM
Replies: 18
Views: 2,886
Posted By seagull
I made a small course with left and right turns,...

I made a small course with left and right turns, the legs were 1-3 miles long. I flew the course with 16.0.1 then landed and upgraded to 16.3.2, and re-flew the same course. There was no difference...
Forum: RV-12/RV-12iS 05-30-2022, 08:25 PM
Replies: 43
Views: 5,484
Posted By seagull
What is making the new muffler give you cooler...

What is making the new muffler give you cooler oil temp. Does it sit farther from the oil cooler? What is the distance difference between the two?
Forum: RV-12/RV-12iS 05-29-2022, 09:31 PM
Replies: 7
Views: 1,018
Posted By seagull
One of my Desser retread Elite Premium 2 grove...

One of my Desser retread Elite Premium 2 grove was twisted maybe from molding or sitting in stock. In any case it would not run true once mounted. The groves would wobble when spinning. Re-seating...
Forum: RV-12/RV-12iS 05-29-2022, 09:25 PM
Replies: 7
Views: 1,018
Posted By seagull
I think a lot depends on how the plane sits on...

I think a lot depends on how the plane sits on the gear when "loaded". Most of us don't see the stance with pilot and passenger on board.

When I flipped mine there wasn't much uneven wear, It seemed...
Forum: RV-12/RV-12iS 05-29-2022, 08:31 PM
Replies: 7
Views: 1,018
Posted By seagull
Jim, yes I did flip the tires on the wheels about...

Jim, yes I did flip the tires on the wheels about half way through.
What tire are you using on the nose wheel? The same one as the mains?
Forum: RV-12/RV-12iS 05-29-2022, 09:07 AM
Replies: 7
Views: 1,018
Posted By seagull
tire and tube recommendations

The last tires (mains) I put on were Desser retread Elite Premium 2 grove. They now need replacement after 480 hours.
Has anyone found anything better?
What is the best tire for the nose wheel?
Are...
Forum: RV-12/RV-12iS 05-26-2022, 08:12 PM
Replies: 6
Views: 1,669
Posted By seagull
Checked, no cracks. I'm not sure what design...

Checked, no cracks.

I'm not sure what design changes were made to the pan over time. Mine is very beefy, it is a 2013 kit.

26311
Forum: RV-12/RV-12iS 05-26-2022, 11:34 AM
Replies: 40
Views: 6,024
Posted By seagull
Has anyone found a larger oil cooler that fits...

Has anyone found a larger oil cooler that fits the -12?

I know other planes with the 912 have larger coolers.

I would think that would solve the heating issue in hot climates.
Forum: RV-12/RV-12iS 05-24-2022, 11:46 PM
Replies: 12
Views: 1,247
Posted By seagull
Does anyone have finished pictures on a RV-12?

Does anyone have finished pictures on a RV-12?
Forum: RV-12/RV-12iS 05-22-2022, 09:43 AM
Replies: 43
Views: 5,484
Posted By seagull
That very thought came to mind, I am not sure...

That very thought came to mind, I am not sure which would wear faster. Sometimes the softer material takes on surface grit and wears the harder material. I believe the original springs were high...
Forum: RV-12/RV-12iS 05-22-2022, 08:59 AM
Replies: 43
Views: 5,484
Posted By seagull
I am at 930 hrs and inspected my muffler because...

I am at 930 hrs and inspected my muffler because of the cracks you and Jim found. Mine isn’t cracked, yet. I have never broken a spring but 4 were worn 1/2 way through on the spring, the muffler...
Forum: RV-12/RV-12iS 05-21-2022, 09:31 PM
Replies: 43
Views: 5,484
Posted By seagull
Jim, Tony, have either of you had to replace...

Jim, Tony, have either of you had to replace muffler springs, if so how often?

I wonder if the vibrations that are getting to the muffler to cause the cracks are the same that cause spring breakage...
Forum: RV-12/RV-12iS 05-18-2022, 09:30 PM
Replies: 16
Views: 1,775
Posted By seagull
The published accuracy on the iGaging 9" Digital...

The published accuracy on the iGaging 9" Digital Level is .02. The OP wants .01.

I use the cube. I am more interested in repeatability of the level than accuracy of the angle. Repeatability is how...
Forum: RV-12/RV-12iS 05-17-2022, 08:14 AM
Replies: 8
Views: 1,461
Posted By seagull
I pull the muffler every year and apply...

I pull the muffler every year and apply anti-sieze but always leave the springs hanging from the silicone glob so I can't see the wear. Today I removed all the springs and soaked them in gasoline to...
Showing results 1 to 64 of 500

 
Forum Jump

All times are GMT -6. The time now is 02:52 PM.


The VAFForums come to you courtesy Delta Romeo, LLC. By viewing and participating in them you agree to build your plane using standardized methods and practices and to fly it safely and in accordance with the laws governing the country you are located in.