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11-12-2018, 11:00 PM
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Join Date: Mar 2015
Location: Cloverdale CA
Posts: 254
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G5
After experiencing two Dynon Pocket (D2 version) panel total failures in three months I sold my last rebuilt unit and bought the G5.
Constantly charging the Dynon battery was a pain and it went tango uniform on me at a very inopportune time from a dead battery.
Also, I was never very happy with the screen readability. Yes, you can read in in bright sunlight, but I was never really happy with that aspect of it. It jsut wasn't bright enough for my liking.
The G5 is much brighter and I never have to worry about the **** battery because it's hard-wired.
I also agree it was stupid simple to install. In fact I wound myself thinking I needed to set aside the weekend to install the G5. I wanted to hook it up to my pitot/static system as well.
So I'm geared up and ready for the certain aggravations, frustrations and swearing that I know are about to commence... and just about one hour later it seems I was done with the install.
"That can't be right," I'm thinking. Go back, re-read the instructions and decide, screw it - just try turning it on. Worked perfectly!
Honestly, even if you don't use all the fancy functions available on it, it's a great unit. And this coming from a guy who swore he would never buy anything Garmin...
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11-13-2018, 01:19 AM
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Join Date: Feb 2015
Location: Basel, Switzerland
Posts: 203
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Quote:
Originally Posted by jpowell13
I love my G5 with backup battery and magnatometer. It allowed me to finally get rid of the whiskey compass. I've never had a minute's trouble from it. I've looped and rolled with it and it has never tumbled. It was easy to install, and, most important for a backup instrument, I trust it. John
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Hmm ok but here you have to say that the Magnetometer is not powered by the backup battery of the G5. I do also have a G5 as a backup but as my local authorities want to have at least 30min backup of HDG I was forced to install a second Magnetometer in my system and ad a backup power unit only to power the 0.1A of the GMU-11 Magnetometer  The G5 has a internal GPS and thus only shows track with the internal backup battery.
Otherwise I am as well very happy with the G5 but I am not yet flying.
__________________
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Yves - Basel, Switzerland
RV-8 #83458 HB-YUA
Donation 2019 done
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11-13-2018, 01:37 AM
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Join Date: May 2005
Location: Savannah, GA
Posts: 1,301
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Quote:
Originally Posted by YvesCH
I do also have a G5 as a backup but as my local authorities want to have at least 30min backup of HDG
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Rant: that is so ridiculous. In flight, the whole purpose of heading is to give you the course you want. GPS gives you that directly, and the GPS filters are fast enough that you can use raw GPS without external aiding.
The only times you really care about heading are takeoff and landing, and then you get your heading information visually. If ATC assigned course rather than heading, that would make it simpler for them, too!
In my old AirCam, the heading bounced around so much that I always flew course, and ATC never complained. If they knew.
If you've got a magnetic compass, surely that would be an adequate backup...
Let's see... use G5 heading to iterate to figure out the correct heading correction to give you the desired course which you can read directly from GPS... you've got to be kidding.
Your authorities seem to know lots more about rule books than about airplanes.
End Rant.
__________________
RV-9A at KSAV (Savannah, GA; dual G3X Touch with autopilot, GTN650, GTX330ES, GDL52 ADSB-In)
Previously RV-4, RV-8, RV-8A, AirCam, Cessna 175
ATP CFII PhD, so I have no excuses when I screw up
2020 dues slightly overpaid
Retired - "They used to pay me to be good, now I'm good for nothing."
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11-13-2018, 01:48 AM
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Join Date: Feb 2015
Location: Basel, Switzerland
Posts: 203
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Quote:
Originally Posted by Ed_Wischmeyer
Rant: that is so ridiculous. In flight, the whole purpose of heading is to give you the course you want. GPS gives you that directly, and the GPS filters are fast enough that you can use raw GPS without external aiding.
The only times you really care about heading are takeoff and landing, and then you get your heading information visually. If ATC assigned course rather than heading, that would make it simpler for them, too!
In my old AirCam, the heading bounced around so much that I always flew course, and ATC never complained. If they knew.
If you've got a magnetic compass, surely that would be an adequate backup...
Let's see... use G5 heading to iterate to figure out the correct heading correction to give you the desired course which you can read directly from GPS... you've got to be kidding.
Your authorities seem to know lots more about rule books than about airplanes.
End Rant.
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Absolutely… The answer was it is HDG and not track because ATC gives you HDGs... But in the case I need my G5 my electrical system is anyway gone and I do not have a radio anymore.. But those are the rules and I have to stick to it.. as stupid as it is. And as there are no backup batteries with 50mAh (as I need only 30mins of backup) I installed the smallest IBBS from TWC. But this means I have now a 3Ah backup. As it absolutely makes no sense to only power a backup Magnetometer from it (for 30hours) I used it to also have a backup for my PFD. So in case of a Alternator failure I have 1h essential bus on my EarthX 900. Then I have 1h on my IBBS for PFD, G5 and backup Magnetometer and then 3hrs or so with the internal battery of the G5 but then only track. This for a VFR day only airplane! I can`t even fly at night as we need to have certified engines and props to do so (and my superior engine and Catto prop are of course not certified) ... But this is another story… Trying to fly IFR is even worse.. no certified avionic is allowed to be interconnected to a uncertified one… means no Connection between a G3X and a GTN => no Autopilot controlled approaches possible  Guys you may think FAA makes things hard but come to another country 
__________________
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Yves - Basel, Switzerland
RV-8 #83458 HB-YUA
Donation 2019 done
Last edited by YvesCH : 11-13-2018 at 01:51 AM.
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11-13-2018, 05:40 AM
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Join Date: May 2005
Location: Savannah, GA
Posts: 1,301
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Many European GA problems would be solved if European regulators came and flew for a week in the states, VFR, no radio.
__________________
RV-9A at KSAV (Savannah, GA; dual G3X Touch with autopilot, GTN650, GTX330ES, GDL52 ADSB-In)
Previously RV-4, RV-8, RV-8A, AirCam, Cessna 175
ATP CFII PhD, so I have no excuses when I screw up
2020 dues slightly overpaid
Retired - "They used to pay me to be good, now I'm good for nothing."
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11-13-2018, 05:48 AM
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Join Date: Feb 2015
Location: Oklahoma City
Posts: 913
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To the OPs question of backup analog vs glass, I would say go glass. There is something somewhat aestically pleasing with having a few analog gauges a s I seriously considered that. However panel real estate and a few options I wanted me drove me to glass.
Now G5 vs D10 vs whatever, that?s a different topic. I went all garmin to include the G5. I like the compatibility, backup battery and function as a second adahrs of the G5. Im a bit of a Garmin fanboy so if you?re like my buddy who is anti-garmin you?ll go with something different and get the same result.
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11-13-2018, 06:29 AM
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Join Date: Dec 2007
Location: Dogwood Airpark (VA42)
Posts: 2,596
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Quote:
Originally Posted by AviatorJ
SNIP... Im a bit of a Garmin fanboy so if you?re like my buddy who is anti-garmin you?ll go with something different and get the same result.
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Yep - I?m one of those anti-Garmin guys as well. Three times burned by the big G monopoly is more than anyone should suffer.
Sorry for the rant.
Carl
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11-13-2018, 06:39 AM
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Join Date: Sep 2016
Location: NE Ohio
Posts: 121
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You're going to find fewer and fewer people who can work on pitot-static instruments going forward. If for whatever reason you needed assistance with the ASI or ALT, it's much easier and probably less expensive these days to be working with a digital based data system than the tried and true pressure wafer driven altimeter or airspeed indicators.
Besides that point, the data that you get with something like a G5 is ten fold what you are getting with an airspeed indicator and altimeter for not much additional cost.
We put the certified versions in our club 172, two of them to the tune of about 10K and despite the cost, absolutely love them.
__________________
-Mike G
Northeast Ohio
RV-8 tail feathers started
Builder #83203
VAF Dues Paid Monthly
Last edited by MIKE JG : 11-13-2018 at 06:41 AM.
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11-13-2018, 07:49 AM
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Join Date: Aug 2007
Location: Ontario, Canada
Posts: 2,291
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Take a look at the GRT Mini-X. Just as easy to install as the G5 - power, ground to the unit, power, ground and an RS232 wire to the magnetometer, GPS micro coax push-on connector to the puck-style antenna. That's it, you're done. And it's available with an internal battery that I've tested to well past 2 hours of endurance. Plus it can have an internal moving map, synthetic vision, you can do GPS-based flight planning on it.
The only down-side to the GRT Mini is that it doesn't fit into a pre-existing round hole so you'll need to do a little metal cutting. No big deal if you've already built an airplane.
Why am I a fan of GRT's Mini-X? Yes, because I was an early adopter. Yes, because I'm not a fan of Garmin's "big dog on the porch" approach in treating their customers. And yes, because the G5 is a good box, but to do anything else with it you have to buy a whole bunch more Garmin stuff. Not so with the much more open-standard approach taken by GRT.
Everybody has their favourites. Here you've seen that very few people list steam gauges as their fav's. My little airplane has steam ASI, VSI, ALT and T&B surrounding a Dynon D100. The D100 has been like a rock for the 11 years it's been installed. I've replaced two T&Bs and now my steam altimeter looks like it's bought the farm, too. No steam for this kid - it's just too unreliable! This is coming from a grey-haired avionics guy who helped modern digital avionics come of age... I never thought I'd say steam gauges were less reliable than glass, but the very limited test case of my own aircraft has shown this unlikely conclusion to be true.
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