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Search: Posts Made By: TXFlyGuy
Forum: Glass Cockpit 02-21-2018, 02:50 PM
Replies: 2
Views: 711
Posted By TXFlyGuy
Thanks. I asked Lloyd how he did it..."One wire...

Thanks. I asked Lloyd how he did it..."One wire at a time".
Forum: Glass Cockpit 02-21-2018, 08:23 AM
Replies: 2
Views: 711
Posted By TXFlyGuy
Avionics 1st

If anyone is seeking a first class avionics shop, with lots of experience with the installation of Glass Cockpits (EFIS), look no further than Avionics 1st, in Dallas, Texas. Located at Dallas...
Forum: RV General Discussion/News 02-10-2018, 07:11 AM
Replies: 22
Views: 1,487
Posted By TXFlyGuy
A friend with a homebuilt aircraft, using a dual...

A friend with a homebuilt aircraft, using a dual fuel pump configuration, only had the fuel filters located between the header tank, and the pumps. The fuel from the pump to the engine was not...
Forum: RV General Discussion/News 02-09-2018, 03:59 PM
Replies: 22
Views: 1,487
Posted By TXFlyGuy
We have a course 90 micron filter at the outlet...

We have a course 90 micron filter at the outlet of the header tank, prior to the dual fuel pumps. Then there is a 30 micron filter downstream of each pump, 3 filters total.
Forum: RV General Discussion/News 02-09-2018, 01:07 PM
Replies: 10
Views: 1,808
Posted By TXFlyGuy
Thanks for all of the info. The process is fairly...

Thanks for all of the info. The process is fairly simple, and the owner wants to pursue this.
Forum: RV General Discussion/News 02-09-2018, 06:37 AM
Replies: 10
Views: 1,808
Posted By TXFlyGuy
Thanks. We work real hard at maintaining it in...

Thanks. We work real hard at maintaining it in good condition. That RV8 was one of our tenants.

BTW, we are building up to 6 new hangars if anyone needs space in the DFW area.
Forum: RV General Discussion/News 02-08-2018, 09:17 AM
Replies: 16
Views: 1,794
Posted By TXFlyGuy
While we have a fairly detailed photo record,...

While we have a fairly detailed photo record, with notes, some of the build detail items might be forgotten as this has been a multi-year project, with a few gaps in between. With multiple cooks in...
Forum: RV General Discussion/News 02-08-2018, 08:04 AM
Replies: 16
Views: 1,794
Posted By TXFlyGuy
Hope this is not too far off subject...But there...

Hope this is not too far off subject...But there are builders like myself who have utilized the talents of many friends, and high school students in the construction of the amateur built aircraft....
Forum: RV General Discussion/News 02-08-2018, 06:41 AM
Replies: 10
Views: 1,808
Posted By TXFlyGuy
We would be "privately owned, public use". I...

We would be "privately owned, public use". I contacted the FAA about this. It is fairly simple, fill out a few forms online and submit these for review.

The runway south end does have a couple trees...
Forum: RV General Discussion/News 02-07-2018, 02:33 PM
Replies: 10
Views: 1,808
Posted By TXFlyGuy
Public, or Private?

We currently manage a private airport, 3TX2. It was brought to my attention that by going public, there would be a substantial savings on property taxes.

What are the pitfalls in having a public...
Forum: RV General Discussion/News 01-28-2018, 08:32 AM
Replies: 0
Views: 486
Posted By TXFlyGuy
New Hangar Space Coming Soon!

We will be building up to 10 additional hangars at 3TX2 airport, just north of Ft. Worth, Texas.

The runway is manicured 2700' X 150' turf. Excellent drainage, so almost never an issue with being...
Forum: Electronic Ignition Systems 11-04-2017, 03:08 PM
Replies: 13
Views: 1,311
Posted By TXFlyGuy
Yes, it will fly on 6 cylinders. I know a BMW V12...

Yes, it will fly on 6 cylinders. I know a BMW V12 that has a dual ECU installion. It also has dual throttles. They can shut down one bank totally, and still fly.

We will opt for a single ECU. That...
Forum: Electronic Ignition Systems 11-03-2017, 05:35 PM
Replies: 13
Views: 1,311
Posted By TXFlyGuy
Redundancy is accomplished on the Thunder Mustang...

Redundancy is accomplished on the Thunder Mustang by doing a dual installation. One ECU to run each bank of 6 cylinders.

At the price point for the Thunder Mustang, certainly they only want what is...
Forum: Alternative Engines 11-03-2017, 01:37 AM
Replies: 6
Views: 2,047
Posted By TXFlyGuy
I'll have to check on the weight. Not sure about...

I'll have to check on the weight.

Not sure about thermally stabilized, I was not at SAM-Tech.

The Cam is the OEM GM Hot Cam.

After scouring the net for figures, I estimate to lose between 4% and...
Forum: Electronic Ignition Systems 11-02-2017, 07:38 AM
Replies: 13
Views: 1,311
Posted By TXFlyGuy
Yes, as with many ECU's, there are a number of...

Yes, as with many ECU's, there are a number of features that don't apply to airplanes.

Thanks for your input. The unit certainly looks to be robust, from what I have seen.

WOT power will range from...
Forum: Electronic Ignition Systems 11-01-2017, 04:13 PM
Replies: 13
Views: 1,311
Posted By TXFlyGuy
The decision is deeper than just the selection of...

The decision is deeper than just the selection of an ECU. It includes the wiring harness, and the skill in assembly, plus the quality components.

Factory support from MoTeC is world class. This is...
Forum: Electronic Ignition Systems 11-01-2017, 12:13 PM
Replies: 13
Views: 1,311
Posted By TXFlyGuy
At this stage, the kit manufacturer really does...

At this stage, the kit manufacturer really does not have a hard and fast recommendation. Our Link G4+ Xtreme will be swapped out, and sold.

The MoTeC unit is functioning flawlessly in many...
Forum: Electronic Ignition Systems 10-31-2017, 07:46 PM
Replies: 13
Views: 1,311
Posted By TXFlyGuy
How about programming? How difficult was that? I...

How about programming? How difficult was that?
I will paraphrase the forums resident expert in all things electronic (and other things)...
"MoTeC is the absolute best ECU money an buy."
Ross Farnham
Forum: Electronic Ignition Systems 10-31-2017, 10:09 AM
Replies: 13
Views: 1,311
Posted By TXFlyGuy
MoTeC ECU

Any of you RVer's with alternative engines (or otherwise) running a MoTeC ECU? I have heard that they are the industry leader, and are the best. Expensive? Yes.

A local dealer in the DFW area has...
Forum: Alternative Engines 10-14-2017, 05:12 PM
Replies: 7
Views: 1,176
Posted By TXFlyGuy
The racing forums are pretty unanimous in naming...

The racing forums are pretty unanimous in naming NTK Wideband O2 sensors as being fairly lead tolerant.
Forum: Alternative Engines 10-14-2017, 04:01 AM
Replies: 6
Views: 2,047
Posted By TXFlyGuy
And, that is phase two of the dyno run. Should...

And, that is phase two of the dyno run. Should have the numbers soon. Phase one was to establish a baseline.
Forum: Alternative Engines 10-13-2017, 03:18 PM
Replies: 6
Views: 2,047
Posted By TXFlyGuy
Dyno Numbers In!

Dyno numbers in...
Here it is, what we have been waiting for. The LS376/480 first run baseline dyno data.

I can't post the graph, but the numbers are:

3500 rpm - 275hp 430 lb ft
4000 rpm - 350hp...
Forum: Alternative Engines 10-10-2017, 04:21 PM
Replies: 3
Views: 393
Posted By TXFlyGuy
Thanks. The folks at Link say that a "dual...

Thanks. The folks at Link say that a "dual mapping" procedure can be done. With a switch to tell the ECU what octane fuel is being burned, 100, 93, or 91.
Forum: Alternative Engines 10-10-2017, 08:46 AM
Replies: 3
Views: 393
Posted By TXFlyGuy
ECU fuel question?

Can ECU's be programmed to burn more than one fuel type? How about SDS?

We will burn 3 different octane ratings, 91, 93, and 100. Can a single program cover all three?

Or, does the ECU need to be...
Forum: Alternative Engines 10-07-2017, 09:30 PM
Replies: 6
Views: 567
Posted By TXFlyGuy
Yes, similar topic visited before. Thanks for...

Yes, similar topic visited before. Thanks for your input!
Forum: Alternative Engines 10-07-2017, 08:09 PM
Replies: 6
Views: 567
Posted By TXFlyGuy
The engine is a LS376/480 Chevy. Max rpm will be...

The engine is a LS376/480 Chevy. Max rpm will be limited to 4500, which equals 400hp at sea level.
Seems like GM says 92 Octane is recommended.
Forum: Alternative Engines 10-07-2017, 06:03 PM
Replies: 6
Views: 567
Posted By TXFlyGuy
Octane Rating Needed?

For you RV guys with high compression ratio engines, what is the minimum Octane Rating that you need?

High compression being 10.7-1.

As we have found a good source for 91E0 fuel, just wondering if...
Forum: Traditional Aircraft Engines 10-07-2017, 12:22 PM
Replies: 12
Views: 1,819
Posted By TXFlyGuy
I ran 87 Octane unleaded 0E fuel in my C-172 for...

I ran 87 Octane unleaded 0E fuel in my C-172 for hundreds and hundreds of trouble free hours. Summer, winter, no problems.
We would feed from one tank at a time when at cruise altitudes, rather than...
Forum: RV General Discussion/News 09-27-2017, 09:39 AM
Replies: 10
Views: 1,568
Posted By TXFlyGuy
Don - Thank you. I will check that out.

Don - Thank you. I will check that out.
Forum: Alternative Engines 09-27-2017, 08:20 AM
Replies: 7
Views: 1,176
Posted By TXFlyGuy
Thanks for the info.

Thanks for the info.
Forum: Electronic Ignition Systems 09-27-2017, 07:32 AM
Replies: 11
Views: 1,037
Posted By TXFlyGuy
Liquid cooled V8. Mechanical throttle. Max engine...

Liquid cooled V8. Mechanical throttle. Max engine rpm is 4500.

Feed back from an ECU company leads us to go with a single ECU.

We looked at all of the historical data on this.
Forum: RV General Discussion/News 09-26-2017, 07:41 PM
Replies: 10
Views: 1,568
Posted By TXFlyGuy
Found a nice 110 gal tank, complete with electric...

Found a nice 110 gal tank, complete with electric pump. About $799 for the whole thing.

Based on all the pickups with external fuel tanks mounted, should not be a problem.

I can always throw a lawn...
Forum: Electronic Ignition Systems 09-26-2017, 06:02 PM
Replies: 11
Views: 1,037
Posted By TXFlyGuy
Link G4+ Extreme. It is being used by a number of...

Link G4+ Extreme. It is being used by a number of pilots, with very good results.
Forum: Electronic Ignition Systems 09-26-2017, 05:46 PM
Replies: 11
Views: 1,037
Posted By TXFlyGuy
We have no manual means of mixture control, it is...

We have no manual means of mixture control, it is all taken care of by the ECU. It is a non SDS unit.

The ECU has a lookup table that adjusts the duty cycle of the fuel injectors depending on...
Forum: Electronic Ignition Systems 09-26-2017, 05:24 PM
Replies: 11
Views: 1,037
Posted By TXFlyGuy
Is open loop an efficient way to control air fuel...

Is open loop an efficient way to control air fuel ratio?
Forum: Electronic Ignition Systems 09-26-2017, 03:46 PM
Replies: 11
Views: 1,037
Posted By TXFlyGuy
We will be running an "open loop" system, with a...

We will be running an "open loop" system, with a fuel ladder ECU look up table that will control the injector duty cycles dependent upon RPM and MAP.

I just found this out.
Forum: Alternative Engines 09-26-2017, 01:38 PM
Replies: 7
Views: 1,176
Posted By TXFlyGuy
O2 Sensors with 100LL

I understand that a narrow band O2 sensor from NGK is lead tolerant.

What is your experience?
Forum: Electronic Ignition Systems 09-26-2017, 11:47 AM
Replies: 11
Views: 1,037
Posted By TXFlyGuy
A/F Ratio Setting

Please help me with this. Exactly how does an electronic controlled engine (ECU), with fuel injection, accomplish leaning of the A/F mixture with altitude? The O2 sensor is not being used in our...
Forum: RV General Discussion/News 09-26-2017, 08:09 AM
Replies: 60
Views: 3,910
Posted By TXFlyGuy
Here is something interesting, that I found on...

Here is something interesting, that I found on "another forum"...(yes, copy/paste)


Here is another reason to be paranoid...

Fuel for Rochester NY comes in a pipe. Not alcohol, it's incompatible...
Forum: RV General Discussion/News 09-25-2017, 06:46 AM
Replies: 60
Views: 3,910
Posted By TXFlyGuy
Yes, you are lucky and I envy you! MON: Motor...

Yes, you are lucky and I envy you!

MON: Motor Octane Number
RON: Research Octane Number

In the US, it is usually expressed as (R+M)/2

This is how the anti-knock index (AKI) is formulated.
Forum: RV General Discussion/News 09-24-2017, 07:24 PM
Replies: 10
Views: 1,568
Posted By TXFlyGuy
Tank & trailer for fuel transport.

As my airport does not have any fuel, we are considering options to tanker fuel from the gas pump, to our airport.

A 50 or 100 gallon tank, with an electric pump, mounted onto a small utility...
Forum: RV General Discussion/News 09-24-2017, 01:31 PM
Replies: 60
Views: 3,910
Posted By TXFlyGuy
Based on all of the info posted here, we are...

Based on all of the info posted here, we are comfortable burning 93E10. Also, 91 octane E0 is available for us, albeit at a long drive.

The benefits of $$$ savings, plus a cleaner burning engine,...
Forum: RV General Discussion/News 09-24-2017, 10:53 AM
Replies: 60
Views: 3,910
Posted By TXFlyGuy
Your $00.02 is appreciated. Yes, with regards to...

Your $00.02 is appreciated. Yes, with regards to lawn equipment, letting it sit all winter long with E10, it does not always want to start and run the next spring. I use fuel additives in my mower,...
Forum: RV General Discussion/News 09-24-2017, 08:49 AM
Replies: 60
Views: 3,910
Posted By TXFlyGuy
More good information, especially for those in...

More good information, especially for those in Texas, and the Dallas/Ft.Worth area...

The RVP for TX is specified by the EPA not to exceed 7.0, or 7.8 from May through October. This would be what...
Forum: RV General Discussion/News 09-24-2017, 08:10 AM
Replies: 60
Views: 3,910
Posted By TXFlyGuy
I had no idea gasoline contains butane. This is...

I had no idea gasoline contains butane. This is added as a volatility controlling agent.

Summer blended fuel has far less butane, with the winter blend having a higher percentage.

More on blends,...
Forum: RV General Discussion/News 09-24-2017, 06:42 AM
Replies: 60
Views: 3,910
Posted By TXFlyGuy
The statement above that Ethanol does not "reach...

The statement above that Ethanol does not "reach out" and pull water into your fuel tank is true. Moisture will form inside your tank, regardless of what type of fuel you have.

Here is what is...
Forum: RV General Discussion/News 09-23-2017, 02:37 PM
Replies: 60
Views: 3,910
Posted By TXFlyGuy
Water Removal Additives

http://cropwatch.unl.edu/ethanol-and-water-contamination-%E2%80%94-comparing-water-removal-additives
Forum: RV General Discussion/News 09-23-2017, 11:39 AM
Replies: 60
Views: 3,910
Posted By TXFlyGuy
Thanks. Now planning to burn 93E10, or 91 Mogas....

Thanks. Now planning to burn 93E10, or 91 Mogas. The only time we will top off with 100LL is when that is the only fuel available.

We will carefully drain the sumps before each flight!
Forum: RV General Discussion/News 09-23-2017, 09:56 AM
Replies: 60
Views: 3,910
Posted By TXFlyGuy
Sumps drained. Check. Takeoff from 650' MSL at...

Sumps drained. Check.

Takeoff from 650' MSL at 80 degrees, and climb to 11,000' MSL, temp 45 degrees.

Will this alone cause phase separation (91E-10)?
Forum: RV General Discussion/News 09-23-2017, 08:02 AM
Replies: 60
Views: 3,910
Posted By TXFlyGuy
This is downright scary.

This is downright scary.
Forum: RV General Discussion/News 09-23-2017, 06:03 AM
Replies: 60
Views: 3,910
Posted By TXFlyGuy
This is good to know. My engine manual says to...

This is good to know. My engine manual says to burn "premium pump" gas.
The options for us are:

1. 100LL
2. 91 Octane E-Free MoGas
3. 93 Octane 10% Ethanol

The airport that I manage (3TX2) does...
Forum: RV General Discussion/News 09-22-2017, 08:01 PM
Replies: 5
Views: 595
Posted By TXFlyGuy
Thanks. That makes sense.

Thanks. That makes sense.
Forum: RV General Discussion/News 09-22-2017, 07:19 PM
Replies: 5
Views: 595
Posted By TXFlyGuy
The Y was between the two eyeball vents, very far...

The Y was between the two eyeball vents, very far downstream from the intake.
Forum: RV General Discussion/News 09-22-2017, 07:07 PM
Replies: 5
Views: 595
Posted By TXFlyGuy
Airflow volume question...

We had dual 2" eyeball air vents in my instrument panel, on the left and lower right side. They were fed a supply of outside air, ducted in from a belly scoop using a single common 2" flex tube. They...
Forum: RV General Discussion/News 09-22-2017, 03:44 PM
Replies: 60
Views: 3,910
Posted By TXFlyGuy
My tanks are sealed with Flamemaster - CS3204....

My tanks are sealed with Flamemaster - CS3204. They claim to be resistant to almost everything, including ethanol, as well as other chemicals.

As we plan to fly between 9,000 and 11,000 (+/-) on...
Forum: RV General Discussion/News 09-22-2017, 01:54 PM
Replies: 60
Views: 3,910
Posted By TXFlyGuy
Divided the numbers.

Divided the numbers.
Forum: RV General Discussion/News 09-22-2017, 01:14 PM
Replies: 60
Views: 3,910
Posted By TXFlyGuy
Looking at the data posted online for each state,...

Looking at the data posted online for each state, it lists Texas as having an RVP of 9.0 for 10% Ethanol gasoline blends.

So does this indicate that Ethanol gas has a 60% greater (vs. 100LL)...
Forum: RV General Discussion/News 09-22-2017, 11:43 AM
Replies: 60
Views: 3,910
Posted By TXFlyGuy
Now, this is interesting, and reassuring...

Now, this is interesting, and reassuring information.
Forum: RV General Discussion/News 09-22-2017, 09:13 AM
Replies: 60
Views: 3,910
Posted By TXFlyGuy
The ethanol free gas is a 80 mile roundtrip for...

The ethanol free gas is a 80 mile roundtrip for me to purchase, by car.

Plus, it is only 91 octane, where we really desire 93 octane.

Our fuel system has dual boost pumps, located down in the...
Forum: RV General Discussion/News 09-22-2017, 06:46 AM
Replies: 60
Views: 3,910
Posted By TXFlyGuy
Alcohol induces vapor lock?

I just read where any fuel that contains alcohol must be avoided in aircraft. The reason stated was the alcohol will easily cause vapor lock.

True? Not true? I had just made up my mind to born 93...
Forum: Alternative Engines 09-22-2017, 06:10 AM
Replies: 6
Views: 1,031
Posted By TXFlyGuy
Interesting map. In Texas, only 3 available....

Interesting map. In Texas, only 3 available. Guess I'll have to become my own tanker truck, hauling 5 gallon cans to the airport. This is what I did back in the 70's when I owned a C-172. It ran SO...
Forum: Alternative Engines 09-21-2017, 06:18 PM
Replies: 6
Views: 1,031
Posted By TXFlyGuy
Avgas, or MoGas?

For those flying with V8 engines, what are you burning? 100LL, or 93 Octane MoGas?

What are the benefits? Cost savings? Cleaner oil? Is the alcohol a problem in MoGas?

Are there any airports that...
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