Matt Dralle
Site Admin
Joined: 08 Nov 2005
Posts: 25627
Location: Livermore CA USA
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 Posted: Tue Dec 27, 2011 10:32 pm Post subject: Dynon Skyview vs. GRT HX EFIS... |
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| Quote: | At 09:47 PM 12/27/2011 Tuesday, you wrote:
I have looked at the Dynon stuff up at Arlington Air Show the past two years
and really like the looks of them. They added autopilot and said last year
that they were about to announce communications added to their system. A
single 10" screen to do everything would be pretty easy to install learn to
operate. Mostly Dynon looks best in the magazines. I guess you get used to
any of them or they would not all still be in business.
Pete
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I have a Dynon 10" Skyview in the RV-6:
http://www.mattsrv6.com/users/display_log.php?user=MattsRV6&project=2043&category=0&log=138164&row=45
http://www.mattsrv6.com/users/display_log.php?user=MattsRV6&project=2043&category=0&log=138163&row=46
and a triple GRT HX setup in the RV-8:
http://www.mattsrv8.com/users/display_log.php?user=MattsRV8&project=638&category=2973&log=96376&row=134
http://www.mattsrv8.com/users/display_log.php?user=MattsRV8&project=638&category=2973&log=96375&row=135
I've flown the GRT HX setup about 170 hours and the Dynon Skyview system about 45 hours now.
Which do I prefer? That's a tough call. There are parts about each system that I like a lot...
The installation and configuration of the Dynon is easier. Instructions are also better. The network cable interconnect system that Dynon uses (I think it is just RS485, but it works well) is also a no-brainer to install. Their display (PFD/Engine/Map) are definitely very pretty and demo well.
The GRT is a little harder to get installed, the manual is a little sketchy in places and there are a LOT of configuration options that can seem daunting at first. BUT, there is power and utility in those options. If you use them to your advantage, you can probably do more, better on the GRT compared to the Dynon. The displays on the GRT don't have the "3D-y", "Windows-y" look to them. BUT, I think I'm preferring that at this point. Doing a scan on the GRT looking for something out of the ordinary is quicker and more accurate. I also like the PFD layout and operation on the GRT better. It feels more "accurate" and "believable" to me for some reason. I never quite "trust" what I'm seeing on the Dynon for some reason and I don't know why. Maybe I just need more time on the Dynon.
So, the Dynon has it for Installation and Configuation, but the GRT has it for Operation and Presentation as far as I'm concerned. If I was building a new plane, I think that I would probably go with the GRT. But its a close race. I really like the Dynon system too.
I guess I'm saying if you're in the market for a full-featured EFIS system, give GRT and Dynon both very close look before you make your selection. In my opinion, it comes down to personal preferences in a few select areas on which way to go. Both systems are top notch.
BTW, Dynon's autopilot add-on for the Skyview which I have in the RV-6 works well. Its a good autopilot that does the job. The servos are the same as with the TruTrak system. In the RV-8, I have the TruTrak Digiflight II VSGV system. The TruTrak is a smoother, more accurate autopilot in my opinion, and I would go that route again. But, it also costs quite a bit more than just adding servos to the Dynon or GRT.
$.02
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Matt "Red Dawg" Dralle
RV-8 #82880 N998RV "Ruby Vixen"
http://www.mattsrv8.com - Matt's Complete RV-8 Construction Log
http://www.mattsrv8.com/Mishap - Landing Mishap Rebuild Log
http://www.youtube.com/MattsRV8 - Matt's RV-8 HDTV YouTube Channel
Status: 170+ Hours TTSN - Rebuilding Fuselage After Landing Mishap...
RV-6 #20916 N360EM "The Flyer"
http://www.mattsrv6.com - Matt's RV-6 Revitalization Log
Status: 42+ Hours Since Purchase - Upgrades Complete; Now In Full Flyer Mode
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