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I am in the process of connecting the Fault Monitoring Wire to my HDX. Are you saying that the Dynon is giving you a 'fault reading" or that the light on the Battery is showing a fault reading? Note, I have also read the disclaimer at the bottom of the Earth X manual (pg. 27) that talks about...

I agree with your assessment hence my posting in the first place...if I was using Red Cubes, I would need one from the fuel feed to the engine and one on the return line (I fly a UL Power and it has a return fuel line to the tank). If I had Red Cubes then the settings to the engine P14 and the...

The problem with "leaving it at default" is that the FF is not accurate...I am working through it, I just thought that someone might have experienced this before and my have some useful suggestions...

If you read my comments again you will see that the system will NOT let you have all "0's" in the K factor settings so ""Nuthin' plus nuthin' is nuthin" is not the answer...rather hoping someone from Dynon will respond...

I know it is connected to the ECU as I do get FF numbers...the basic premise of my question is why does P19 have a required K Factor input (which can't be Zeros) when there is nothing connected to P19. I have to adjust the K factor value to match (as close as possible) to actual fuel usage...

There are no fuel sensors. The Dynon HDX has the ability to calculate fuel flow based on getting the correct "K" Factor into the settings.

I have a Dynon HDX system in my Zenith, I am flying behind a UL Power 350is and I don't have the Red Cubes. I know that the Dynon system will measure FF without the Red Cubes as long as I input a "K" Factor based on my actual GPH. Here is my issue, in the Hardware settings I have required...

I use the parameters that my engine manufacturer (UL Power) provided in the install manual.

FYI, I use the "Other" engine setting in the engine selection menu.

Sent...good luck.

I fly a Zenith Cruzer with a UL350is and a Dynon HDX system with an EMS 220. I can email you my EMS settings if you would like them.

Yes, many times...

I did that and no change. I also moved the static ports further aft as I was getting a high IAS but now that seems to be a better location.

I only have one.

Yes, it does it on both screens and neither the VSI nor Altitude have erratic readings and yes, I do have the AOA attached. I have never thought it was the HDX screens but probably the ADAHRS or the lines. I have checked all line with no leaks...

I have a dual screen Dynon HDX system with Dynon Pitot, ADAHRS, etc. I have been flying this system for 3 years and during that time I have always had a erratic or bouncy airspeed indication (2-3 MPH up and down) while in flight. I have done all the calibration that I can with this system, in...

FlightAware is not a good tell as to whether your ADS-b is working properly. I know this first hand as a friend and I have been troubleshooting his as he has been contacted by the FAA regarding his ADS-b not working (it is failing SILS data) yet it is showing up in FlightAware and on my ADS-b...

Spacing should not be an issue for GPS receive only antennas. The biggest issue with GPS is LOS to the satellites. They don't broadcast any RF.

Why is it that we have had very accurate fuel senders in auto for years yet they can't seem to get that technology into our E-AB's???

I don't necessarily disagree with you on having two radios. The problem with the Dynon/Trig radio is that you can't send the audio from the "Dual" feature to either the copilot or another ear on your headset and as soon as someone presses the key on the primary frequency you can no longer hear...