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G4X: Connecting the Dots (AXIS integrated Flight Display)

Pretty sure I said if the new AXXIS system is the g3x upgrade I would eat my ipad. Never said that a parallel release of a g3x upgrade was impossible. sounds like 2 different things are coming. time will tell,m but suppose i need to prepare some condiments, just in case. still believe an evolutionary g3x upgrade is possoble and likely some day and based on todays press, likely now. but do not believe it will be revolutionary. still think that axxis thing is something different and likely for the certified world at commensurate prices.
So... Ketchup or mustard with the iPad? ;-)
 
Does AXIS support CANBus natively? As in CANBus pins in the connectors. If not then when upgrading a VFR G3X display to AXIS GDU will an external CANBus interface LRU be required? Such as the ubiquitous GAD 29 or more simply a GAD 13. So if we currently fly a VFR G3X and don't have an external IFR navigator or a GAD 29 LRU, will we need to add GAD 29 or GAD 13 to make an upgrade to a VFR AXIS GDU? In other words will all G3X to AXIS upgrades need to have an existing or added CANBus interface LRU?
 
Does AXIS support CANBus natively? As in CANBus pins in the connectors. If not then when upgrading a VFR G3X display to AXIS GDU will an external CANBus interface LRU be required? Such as the ubiquitous GAD 29 or more simply a GAD 13. So if we currently fly a VFR G3X and don't have an external IFR navigator or a GAD 29 LRU, will we need to add GAD 29 or GAD 13 to make an upgrade to a VFR AXIS GDU? In other words will all G3X to AXIS upgrades need to have an existing or added CANBus interface LRU?

CAN Bus is native in AXIS utilizing the same pin #s on the current G3X Touch connector pin assignments.
 
The original G3X Touch was designed with provisions to mount the AHRS to the back of the unit. Vibration issues led Garmin to not recommend that option. Works in some airframes but not all.
Is that anecdotal ?
Could you please provide some reference. My GSU-25C is mounted on the back of my GDU470 on my RV-4.
I’m chasing an issue and am wondering if vibration is causing it.

Thanks !
 
My GSU25 is mounted to the back of my GDU460. I plan on doing the same after I swap the the GDU116. I've had zero issues so far and neither have any of my friends with RV-14's.
 
My GSU25 is mounted to the back of my GDU460. I plan on doing the same after I swap the the GDU116. I've had zero issues so far and neither have any of my friends with RV-14's.
While its great that you haven’t had any problem with it, I’ve talked to too many Garmin tech’s that have torn their hair out over ADAHRS faults due to panel flexing to do that myself. The problem is that we cut these HUGE holes in the panels that were designed to add stiffness with a bunch of little 3-1/8” holes punched for steam gauges - many would be shocked at how much stiffness gets lost when we put an EFIS in the panel. The four screws at the corners do NOT re-stiffen many of the panels sufficiently.
 
I wish I'd have expanded on my previous post. I fully understand that vibration can and does occur on some planes. Everything you say Paul is correct. My panel was built by Aerotronics. Stein Air is the other big panel builder. As far as I know,, they both mount the GSU25 to the GDU. Not saying it is right, I'm just saying it is how I've seen it done. The manual reference is clear. I suspect if Aerotronics and Stein saw regular issues with this, they would change how they do it. I'm just an amateur I don't know what I'm talking about.

Additionally, I think this is a debate best held in another thread. I'm out.
 
Not the thread for it, but there’s been plenty of people who have followed these directions and also torn their hair out with vibration issues only to have them solved by mounting on the back of the GDU…
I love my Garmin panel and almost everything about it. But there’s a continuing blind spot wrt their treatment of vibration mitigation and GSU mounting instructions.
Which leads to this hamster wheel of misinformation and misunderstanding.
 
I suspect if Aerotronics and Stein saw regular issues with this, they would change how they do it. I'm just an amateur I don't know what I'm talking about.

Additionally, I think this is a debate best held in another thread. I'm out.
how would they see it? They never fly the stuff they install. I suspect the issues pop up later and leave the owner to deal with it. they likely don't come back and blame them for the issue, so no feedback loop.
 
how would they see it?
I suspect they would see it through support calls and/or feedback from their customers. I know if I ran into a problem with my GSU25 mounted to the back of the GDU, I'd let Josh at Stein know about it. I know they would appreciate that feedback.

I'm not familiar with the panel structure for other Van's models but the RV-14 is extremely rigid. That is one thing that I recall vividly after riveting it all together. The gazillion screws holding the panel to that structure doesn't hurt either. Maybe all Vans models are similar. I dunno. What I do know is I'm going to try to use the GSU25 mounting points that Garmin built into the GDU first as that is the most convenient. If that fails, I'll go to plan B.
 
I suspect they would see it through support calls and/or feedback from their customers. I know if I ran into a problem with my GSU25 mounted to the back of the GDU, I'd let Josh at Stein know about it. I know they would appreciate that feedback.

I'm not familiar with the panel structure for other Van's models but the RV-14 is extremely rigid. That is one thing that I recall vividly after riveting it all together. The gazillion screws holding the panel to that structure doesn't hurt either. Maybe all Vans models are similar. I dunno. What I do know is I'm going to try to use the GSU25 mounting points that Garmin built into the GDU first as that is the most convenient. If that fails, I'll go to plan B.
Possible, but if my attitude display started doing weird things, I would likely be calling garmin to address it, not the guys that built my wiring harness. Clearly garmin has dealt with this many times and based upon that experience, recommends against it. You want to be taking guidance from those solving problems, not those installing them in cases where those are different folks.
 
... if my attitude display started doing weird things, I would likely be calling garmin to address it...
I would do the same. But, since Stein bolts the GSU25 to the back of the GDU prior to shipping panels to their customers, I would also let them know. I suspect that feedback would be important to them.
 
I love my Garmin panel and almost everything about it. But there’s a continuing blind spot wrt their treatment of vibration mitigation and GSU mounting instructions.
Which leads to this hamster wheel of misinformation and misunderstanding.

I had direct experience with this issue and, in my case, it was resolved by fitting the newer -55 version of the GSU 25C. (CubCrafters aircraft, not RV.)
 
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