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cjhukill(at)cox.net
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 Posted: Sat Jul 31, 2010 6:20 am Post subject: Avionics wars |
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I may have inadvertently started an avionics war here (how fun is that!). I stand by my 5 to 1 ratio when comparing apples to apples. First you compare a double 10 inch Dynon system that includes a full function autopilot, redundant ADHARS, synthetic vision, TAWS, traffic, WX, ADS-B in and out, remote TXP and soon remote com, and a very capable EMS system, including many airframe provisions with annunciations, door warning, position sensors, temp sensors, etc.
To get all that, forget the GTX and think G900. A friend recently spent about $130,000 for MOST of that stuff in a G900 system for his Lancair 4 and is still trying to get it work right, one year later.
Unless your Cessna or Raytheon, product support from Garmin is useless.(we don't need no stinking homebuilders)
All the above capability is available, except the com, which is coming soon from Dynon,for under $20K. Add the G430 from Vans (OEM) and your at the 5 to 1.
Now start comparing the cost of ownership with software and database updates, and the 5 to 1 ratio starts to look like a good deal.
The reason there are so many wires from the Dynon, or just seems that way, is the multiple redundancy of the SkyView system. Although the network harnesses already have 2 wires for each function, power, ground, transmit and receive, I have doubled up wires for additional redundancy on long runs, i.e. front to back. Probably overkill, but easy and cheap to do now. The main 37 pin Dsub from the EMS has all those wires because it can accommodate all those inputs. Want less wire, cut the ones off you don't use (except to spares, I used them all. I can even monitor the seat warmer temps, JUST KIDDING!)
The single wire coming out of the back of the G3X, (Ethernet?) cannot possibly provide that kind of function and redundancy. The initial burden of an installation for a system doesn't even factor for me in the big picture, but then I must be a masochist to have taken on the RV10 project to begin with?
Chris Hukill
getting off my soapbox and back to work
[quote][b]
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Kelly McMullen
Joined: 16 Apr 2008
Posts: 1188
Location: Sun Lakes AZ
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| Posted: Sat Jul 31, 2010 6:34 am Post subject: Avionics wars |
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So what did you use for primer?. ;-
On Sat, Jul 31, 2010 at 7:18 AM, Chris Hukill <cjhukill(at)cox.net> wrote:
| Quote: | I may have inadvertently started an avionics war here (how fun is that!).
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| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV10-List |
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_________________
Kelly McMullen
A&P/IA, EAA Tech Counselor
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