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Search: Posts Made By: pecanflyboy
Forum: Electronic Ignition Systems 02-07-2021, 03:32 PM
Replies: 216
Views: 44,740
Posted By pecanflyboy
As the poster mentioned in his update, Surefly...

As the poster mentioned in his update, Surefly Tech Supported confirmed the hypothetical would not happen after engine start. The poster who mentioned a backfire on start stated it was due to a weak...
Forum: Electronic Ignition Systems 02-02-2021, 07:45 AM
Replies: 216
Views: 44,740
Posted By pecanflyboy
Any electronic system operated or installed...

Any electronic system operated or installed outside its design parameters, has the potential to operate improperly. Not a design fault.
Forum: Electronic Ignition Systems 02-01-2021, 09:21 AM
Replies: 216
Views: 44,740
Posted By pecanflyboy
#2 Mag check backfires are mentioned in the FAQ...

#2 Mag check backfires are mentioned in the FAQ of the Surefly website. The issue is with Bendix style ignition swiches that are positioned "OFF-R-L-BOTH-START(may or may not). Whether new or old,...
Forum: Electronic Ignition Systems 02-01-2021, 08:53 AM
Replies: 216
Views: 44,740
Posted By pecanflyboy
Good to hear they were able to replace the unit...

Good to hear they were able to replace the unit under warranty. Regardless of experimental or certified, everyone gets an STC'd unit. No differences in the product. The warranty is for two years. ...
Forum: Electronic Ignition Systems 01-23-2021, 09:40 AM
Replies: 216
Views: 44,740
Posted By pecanflyboy
Scott, Your understanding it correct. If the...

Scott,
Your understanding it correct. If the unit is set for variable timing, with the MP line exposed to ambient pressure, it will advance when that pressure drops below 25".

Also, the manual...
Forum: Electronic Ignition Systems 01-21-2021, 03:01 PM
Replies: 216
Views: 44,740
Posted By pecanflyboy
Its a Surefly thread. If you are presenting...

Its a Surefly thread. If you are presenting data and it is not a Surefly system, you should at least be willing to disclose on what system your data is based.
Forum: Electronic Ignition Systems 01-21-2021, 01:17 PM
Replies: 216
Views: 44,740
Posted By pecanflyboy
What ignition and plugs are you using to get this...

What ignition and plugs are you using to get this data?
Forum: Electronic Ignition Systems 01-20-2021, 09:07 PM
Replies: 216
Views: 44,740
Posted By pecanflyboy
Scott, DO NOT CAP THE MP PORT! It will seal the...

Scott,
DO NOT CAP THE MP PORT! It will seal the manifold pressure sensor which may throw a fault to the unit. A cap could pressurize or depressurize the manifold pressure sensor, thereby making the...
Forum: Electronic Ignition Systems 01-19-2021, 12:16 PM
Replies: 216
Views: 44,740
Posted By pecanflyboy
That advance table was produced the year the...

That advance table was produced the year the company was formed as a marketing illustration of what a variable timed ignition will look like. I doubt that the curve remained the same while the unit...
Forum: Electronic Ignition Systems 01-19-2021, 03:32 AM
Replies: 216
Views: 44,740
Posted By pecanflyboy
Is this what you would do with a magneto if you...

Is this what you would do with a magneto if you could?

Installed per the manual, the Surefly SIM fires very accurately at TDC, during the start. If you are able to find 5 ATDC, I'm sure you can...
Forum: Traditional Aircraft Engines 01-15-2021, 06:57 AM
Replies: 19
Views: 1,896
Posted By pecanflyboy
We are addressing the change in starting...

We are addressing the change in starting behavior. I will echo some points already mentioned:
Clean injectors- Remove them and soak them in Hoppes overnight. You will be surprised how dirty the...
Forum: RV General Discussion/News 01-14-2021, 09:41 AM
Replies: 132
Views: 20,845
Posted By pecanflyboy
I have an RV6 with a full IFR panel, G3X,...

I have an RV6 with a full IFR panel, G3X, GTN650xi, autopilot. I had to file IFR once in 2020 to depart a field with low ceilings. Enroute cleared to VFR, landed VFR. I only consider the use of...
Forum: Glass Cockpit 12-15-2020, 10:25 AM
Replies: 7
Views: 1,443
Posted By pecanflyboy
I would suggest you contact Garmin. They may...

I would suggest you contact Garmin. They may have a fix. If not, they will simulate your setup, and if they find an issue, they will address it in the next update. Otherwise, they may not know...
Forum: Glass Cockpit 12-14-2020, 03:13 AM
Replies: 7
Views: 1,443
Posted By pecanflyboy
They sent me and I loaded the 12.00 software...

They sent me and I loaded the 12.00 software which resolve the problem. They said that the next software release would address the VNAV issue. So, we will have to wait until that happens.
Forum: Propellers 12-05-2020, 08:47 AM
Replies: 19
Views: 1,399
Posted By pecanflyboy
As mentioned, be sure to cycle the prop during...

As mentioned, be sure to cycle the prop during your run-up per your prop manual. This removes trapped air which will manifest itself as RPM "wondering." I had the exact same issue. Next flight I...
Forum: RV General Discussion/News 12-05-2020, 08:39 AM
Replies: 26
Views: 4,453
Posted By pecanflyboy
I shopped insurance this fall. I've used Falcon,...

I shopped insurance this fall. I've used Falcon, but I've not been really happy with their responsiveness. RV-6 $90K hull, experienced TW pilot. I quoted BWI, Falcon, Avemco, and a couple of...
Forum: Glass Cockpit 11-06-2020, 12:38 PM
Replies: 7
Views: 1,443
Posted By pecanflyboy
Garmin sent me the previous G3X software load,...

Garmin sent me the previous G3X software load, 12.00. Installed it and everything works perfectly, with no messages. This further points to an issue with the G3X 12.10 software.
Forum: GPS 11-06-2020, 08:29 AM
Replies: 13
Views: 2,779
Posted By pecanflyboy
https://vansairforce.com/community/showthread.php?...

https://vansairforce.com/community/showthread.php?t=188682

I've started a new thread on the GTN message: "VNAV Unavailable: Barometric altitude lost."

It turns out Garmin has a bug in the G3X...
Forum: Glass Cockpit 11-06-2020, 08:25 AM
Replies: 7
Views: 1,443
Posted By pecanflyboy
Garmin G3X 12.10 software bug - VNAV Unavailable

November 2020 - G3X (non-touch), GSU73, GTN650Xi.

After updating my G3X to software load 12.10, I begain receiving the following message on my GTN650Xi: "VNAV Unavaialble:Barometric altitude...
Forum: Electronic Ignition Systems 11-03-2020, 08:43 AM
Replies: 4
Views: 1,570
Posted By pecanflyboy
The Surefly rotation is configured using the...

The Surefly rotation is configured using the internal DIP switch configuration described in the installation manual. The Slick ignition cap can only be installed in one orientation, which guarantees...
Forum: GPS 11-03-2020, 08:38 AM
Replies: 13
Views: 2,779
Posted By pecanflyboy
That's an excellent idea, and was done. ...

That's an excellent idea, and was done. Everything is configured correctly. Pins checked for continuity. Patiently awaiting Garmin's response.

I think there may be other users with this issue,...
Forum: GPS 11-02-2020, 04:17 PM
Replies: 13
Views: 2,779
Posted By pecanflyboy
SteinAir reset the GTN650Xi to the original...

SteinAir reset the GTN650Xi to the original software load. Still have the message "VNAV: Unavailable: Barometric altitude lost." In the GTN diagnostics, I am not receiving any altitude information....
Forum: Glass Cockpit 11-02-2020, 11:39 AM
Replies: 17
Views: 2,243
Posted By pecanflyboy
Have you set up the GTN650 for VNAV or VCALC? ...

Have you set up the GTN650 for VNAV or VCALC? You will find this in the configuration mode of the GTN. VCALC will not give you transition to approach, as it must be selected after selecting VNAV. ...
Forum: GPS 10-20-2020, 08:20 PM
Replies: 13
Views: 2,779
Posted By pecanflyboy
SteinAir is very aware of the issue. The unit is...

SteinAir is very aware of the issue. The unit is on its way back to SteinAir as we speak. Insurance was pricey. My local Avionics shop just completed training on this exact issue in Kansas. So, I...
Forum: GPS 10-20-2020, 03:17 PM
Replies: 13
Views: 2,779
Posted By pecanflyboy
Don't update your GTN650Xi with GTN650 software. I'm a bonehead.

Trying to be a good soldier and update my GTN 650Xi software. I have a G3X system, and I noticed my software version did not match the GTN 6XX/7XX software on the G3X uploads page. After the easy...
Forum: Electronic Ignition Systems 08-30-2020, 05:08 PM
Replies: 216
Views: 44,740
Posted By pecanflyboy
Install it according to the manual, and call...

Install it according to the manual, and call Surefly if you have questions. You want the magneto and SIM to be at the same base timing. You time the SIM at 0 TDC, and the magneto at 23 BTDC. ...
Forum: Electronic Ignition Systems 08-30-2020, 05:02 PM
Replies: 216
Views: 44,740
Posted By pecanflyboy
Surefly would tell you that this was a marketing...

Surefly would tell you that this was a marketing chart to illustrate the concept of advanced timing. It was published the year the company was formed, and the actual curve was developed after much...
Forum: Electronic Ignition Systems 08-28-2020, 03:19 PM
Replies: 216
Views: 44,740
Posted By pecanflyboy
Apples to Oranges

If you are using a different ignition to form opinions about the Surefly in variable timing mode, it seems you are comparing apples to oranges, especially if your system is advancing differently than...
Forum: Electronic Ignition Systems 08-28-2020, 09:49 AM
Replies: 216
Views: 44,740
Posted By pecanflyboy
That's a fair opinion, and I appreciate your...

That's a fair opinion, and I appreciate your comments. What were your results when you tested this with the Surefly?

In my situation I've tested both:

Fixed timing: Same numbers as the magnetos...
Forum: Traditional Aircraft Engines 08-28-2020, 09:21 AM
Replies: 24
Views: 4,235
Posted By pecanflyboy
Thanks for that. I'll have to take a look. ...

Thanks for that. I'll have to take a look. There is always a way, and I appreciate the pictures.
Forum: Electronic Ignition Systems 08-27-2020, 11:14 PM
Replies: 216
Views: 44,740
Posted By pecanflyboy
What is the concern?

What is the concern?
Forum: Electronic Ignition Systems 08-27-2020, 08:44 PM
Replies: 216
Views: 44,740
Posted By pecanflyboy
I hope that once you have some inflight...

I hope that once you have some inflight experience, you set the opinions aside and take advantage of the variable timing mode. The fact is that no one has had a catostrophic detonation event in...
Forum: Electronic Ignition Systems 08-27-2020, 07:12 PM
Replies: 216
Views: 44,740
Posted By pecanflyboy
As you mentioned, if you cap the MP port with a...

As you mentioned, if you cap the MP port with a rubber cover or a thread protector, you might presurized the MP sender to the point that it sends a rapid flashing light on the LED. This is an...
Forum: Traditional Aircraft Engines 08-27-2020, 01:39 PM
Replies: 3
Views: 766
Posted By pecanflyboy
Answering my own question. The SW 8406 mounted...

Answering my own question. The SW 8406 mounted on the rear baffle behind #4 only has 1/4" clearance with the engine mount tube. The SW 8432 is 1" wider and will not fit without interference with...
Forum: Electronic Ignition Systems 08-27-2020, 12:00 PM
Replies: 216
Views: 44,740
Posted By pecanflyboy
I have dual Surefly's on my RV6 powered by a...

I have dual Surefly's on my RV6 powered by a Lycon IO360-EXP with 10:1 pistons. I'm in Granbury, and know the Surefly guys, very well. I don't speak for the comapany, however.

The Surefly was...
Forum: Traditional Aircraft Engines 08-27-2020, 11:03 AM
Replies: 24
Views: 4,235
Posted By pecanflyboy
Yep, I've got that data. Thanks for sharing. ...

Yep, I've got that data. Thanks for sharing. The question remains, however. Can I fit the SW 8432 on the #4 baffle? I found the answer. On the RV6 the engine mount is only 1/4" from the flange...
Forum: Traditional Aircraft Engines 08-26-2020, 04:53 PM
Replies: 24
Views: 4,235
Posted By pecanflyboy
Parellel valve, IO-360, 10:1, EIS, CS prop, James...

Parellel valve, IO-360, 10:1, EIS, CS prop, James cowl, vernatherm removed, by-pass valve, oil to cooler controlled with ball valve. The SW 8406 puts me at 225F low altitude in Texas, this time of...
Forum: Traditional Aircraft Engines 08-26-2020, 02:06 PM
Replies: 24
Views: 4,235
Posted By pecanflyboy
I have been way down the rabbit hole to reduce...

I have been way down the rabbit hole to reduce CHT's and oil temperature. I've had good results as a result of the advice in these forums, but I want about 15 degrees of oil temperature, CHT's are...
Forum: Traditional Aircraft Engines 08-26-2020, 01:59 PM
Replies: 24
Views: 4,235
Posted By pecanflyboy
I'm considering the replacement of my SW 8406...

I'm considering the replacement of my SW 8406 (6-row/Single pass) with the SW 8432 (8-row/Dual pass). The SW 8432 is 1" wider, with the other dimensions the same, and both fittings are on one end. ...
Forum: Traditional Aircraft Engines 08-26-2020, 01:52 PM
Replies: 3
Views: 766
Posted By pecanflyboy
https://vansairforce.net/community/showthread.php?...

https://vansairforce.net/community/showthread.php?t=149163

This thread has some good information.
Forum: Traditional Aircraft Engines 08-26-2020, 10:25 AM
Replies: 3
Views: 766
Posted By pecanflyboy
Largest #4 baffle mount oil cooler?

Howdy!
I have an RV6 with an IO-360, 200+ HP, parellel valve. I've been way down the rabbit hole, having extensively gone through the engine cooling system to get the CHT's and oil temperature...
Forum: Glass Cockpit 07-30-2020, 09:36 AM
Replies: 4
Views: 952
Posted By pecanflyboy
I spoke with Garmin, and they confirmed the need...

I spoke with Garmin, and they confirmed the need for a resistor. They said I should use a 5 kOhm resistor. I had a 5.6 kOhm which works well. It kicks the voltage down to around 4.5 Vdc. I tried...
Forum: Glass Cockpit 07-29-2020, 04:05 AM
Replies: 4
Views: 952
Posted By pecanflyboy
Kirk, We both understand the same level of...

Kirk,
We both understand the same level of electric engineering, and I think you are spot on. The floating voltage from the GSU73 pin needs to be kicked down below the ACTIVE HIGH trigger voltage...
Forum: Glass Cockpit 07-25-2020, 09:16 PM
Replies: 4
Views: 952
Posted By pecanflyboy
G3X non-touch GSU73 discrete active high not available?

G3X non-touch
GSU 73
G3x Installation Manual Rev. AM, Page 26-71
DISCRETE IN* 1 J731 Pin 9

I'm configuring a DISCRETE IN* 1 to give me a notification when the smoke pump is turned on (similar to an...
Forum: RV General Discussion/News 05-16-2020, 10:29 AM
Replies: 2
Views: 476
Posted By pecanflyboy
There is not another subscription. You have to...

There is not another subscription. You have to connect the iPad via Bluetooth or Wifi to the ADSB-IN unit that is installed in the aircraft, or used as a mobile device (GDL, Stratos, etc.). This...
Forum: RV-12/RV-12iS 05-14-2020, 07:55 AM
Replies: 14
Views: 2,327
Posted By pecanflyboy
Ground loop caused by using the air frame as the...

Ground loop caused by using the air frame as the ground. This is often a short cut not discussed until one is bothered by headset noise. To eliminate noise, you need to bring all the grounds to a...
Forum: RV General Discussion/News 05-08-2020, 08:57 PM
Replies: 57
Views: 21,637
Posted By pecanflyboy
The recommended pump is the Walbro 255lph Part#...

The recommended pump is the Walbro 255lph Part# GSL382

https://walbrofuelpumps.com/walbro-gsl392-inline-fuel-255lph-pump.html

There are also a lot of 380lph pumps out there.
Forum: RV General Discussion/News 05-08-2020, 04:00 PM
Replies: 57
Views: 21,637
Posted By pecanflyboy
Great design. I'm putting together my own system...

Great design. I'm putting together my own system with a high pressure fuel pump, and I'm running down the parts and process to make these nozzle/check valves.

Does anyone have a source on a...
Forum: Traditional Aircraft Engines 04-27-2020, 10:03 AM
Replies: 42
Views: 8,821
Posted By pecanflyboy
BTW, I think Surefly having a COVID sale. 15%...

BTW, I think Surefly having a COVID sale. 15% off, last I checked. April2020
Forum: Traditional Aircraft Engines 04-27-2020, 10:00 AM
Replies: 42
Views: 8,821
Posted By pecanflyboy
I would suggest you contact Surefly, and ask the...

I would suggest you contact Surefly, and ask the questions. My understanding is that when you have the SIM set up for advanced timing, it will not advance until the engine is well within the safety...
Forum: RV General Discussion/News 04-25-2020, 03:13 PM
Replies: 11
Views: 1,208
Posted By pecanflyboy
Do you really want to lock you canopy? I'd...

Do you really want to lock you canopy? I'd rather call my insurance company to replace my radios, than to be stuck out on a cross country with no radios AND a broken canopy.

I had a friend with...
Forum: GPS 04-24-2020, 06:35 PM
Replies: 20
Views: 2,036
Posted By pecanflyboy
It?s all been under warranty. Garmin has...

It?s all been under warranty. Garmin has replaced the new unit with a refurbished unit. Garmin has replaced the antenna. Fortunately, I?ve been able to do all the labor. They?ve been very...
Forum: GPS 04-24-2020, 09:19 AM
Replies: 20
Views: 2,036
Posted By pecanflyboy
Garmin sent me a replacement GA-35 antenna. I...

Garmin sent me a replacement GA-35 antenna. I cleaned the ground plane and connections. Checked for 4.7V at the antenna. Coax continuity was good. Moved aircraft away from the hangar and close...
Forum: GPS 04-17-2020, 01:26 PM
Replies: 20
Views: 2,036
Posted By pecanflyboy
I love you guys. You make me think of...

I love you guys. You make me think of everything. I do have a slider that covers the antenna when the canopy is aft. However, I still don't get antenna reception 20-30 minutes after the canopy is...
Forum: GPS 04-17-2020, 01:24 PM
Replies: 20
Views: 2,036
Posted By pecanflyboy
That update came out in February, and my problems...

That update came out in February, and my problems started last fall? I'll bring it up to Garmin. I remember when I first started troubleshooting that I had asked about the update. But, you know...
Forum: GPS 04-17-2020, 09:18 AM
Replies: 20
Views: 2,036
Posted By pecanflyboy
I've not heard about the bad batch of GA-35's. ...

I've not heard about the bad batch of GA-35's. Garmin is sending me a new antenna, so that is next. I'm not sure how that affects the issue. I still think it's the unit loosing its position and...
Forum: GPS 04-17-2020, 09:13 AM
Replies: 20
Views: 2,036
Posted By pecanflyboy
That's a good observation. My initial thought...

That's a good observation. My initial thought was that a recent software upload may have been the culprit. Of course, troubleshooting that issue is difficult.

The manual states that the "initial"...
Forum: GPS 04-16-2020, 01:26 PM
Replies: 20
Views: 2,036
Posted By pecanflyboy
I used a new GA-35 with the GTN650 installation. ...

I used a new GA-35 with the GTN650 installation. Have not been offered another to use from Garmin. The antenna is behind the canopy on top of the fuselage. Unshared. Away from any other antenna...
Forum: GPS 04-16-2020, 12:25 PM
Replies: 20
Views: 2,036
Posted By pecanflyboy
Thanks, I've done that with no issues. It sounds...

Thanks, I've done that with no issues.

It sounds like an internal battery issue to me. But, the chances are low that two units would have the same problem? I don't have a battery message on the...
Forum: GPS 04-16-2020, 11:22 AM
Replies: 20
Views: 2,036
Posted By pecanflyboy
GTN650 excessive time to get initial 3D position

Howdy,
I purchased a new GTN650 in January, 2019 and swapped out my GNS480. The unit worked well until the fall when I began experiencing excessive time to acquire 3D position. It seemed the colder...
Forum: Electrical Systems 04-09-2020, 09:35 AM
Replies: 20
Views: 2,368
Posted By pecanflyboy
Nice article. Better photos, for sure! There...

Nice article. Better photos, for sure! There are a dozen ways to go about installing and auto alternator, and it's good to share the variations. Each fits our own particular needs. For me, I...
Forum: Electrical Systems 04-02-2020, 08:13 AM
Replies: 20
Views: 2,368
Posted By pecanflyboy
Once you make the modifications, you only need a...

Once you make the modifications, you only need a screw driver to transfer the modification to a replacement alternator. You swap the VR and the brush holder, and you are done.
Forum: Electrical Systems 04-02-2020, 08:02 AM
Replies: 20
Views: 2,368
Posted By pecanflyboy
I've read both the Kitplanes articles. Thank...

I've read both the Kitplanes articles. Thank you!:

https://www.kitplanes.com/alternator-mods-without-major-surgery/

Once I decided to modify my internally regulated 14824, I used the method...
Forum: Electrical Systems 04-01-2020, 10:57 AM
Replies: 20
Views: 2,368
Posted By pecanflyboy
Thanks Larry, I've looked at that one. You have...

Thanks Larry,
I've looked at that one. You have to be careful to get the correct fan, as I've seen the 14158 with fans in both directions. Trying to run it down on Summit.

JC
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