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ron.mcgann(at)baesystems.
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 Posted: Wed Nov 22, 2006 2:28 pm Post subject: CDI with GRT EFIS |
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G'day all,
Have had to review my Panel design so I don't need to modify the forward fuse ribs or locate the EIS on a subpanel. Config includes 3 screen GRT EFIS, GNS430 and SL30. I have opted for the arinc 429 interface on the GRT. Panel design works ok if I do not need a 3.5" hole for a GI-106A. With the enhanced EFIS capabilities using the 429 i/f, do I really need a separate nav head?? Is the EFIS alone acceptable for IFR?
cheers,
Ron
187 finishing [quote][b]
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flysrv10(at)gmail.com
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| Posted: Wed Nov 22, 2006 3:46 pm Post subject: CDI with GRT EFIS |
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I have two GRT units that I stacked on top of each other without having to modify the ribs. I used the upper left mounting hole to mount the GRT on the single attach hole on the rib.
As to the GI Nav indicator...., I really wished that I had included it in my panel design. I have found that the GRT display will get very busy with all the map information and the HSI on top of them. The Heading box covers the compass rose number and makes it hard to read small adjustments that you need to see on your IFR final approach leg. In addition, it is not easy to get a reciprocal course number and takes too long to set a course in IFR conditions. Also, the terrain information does not display in HSI mode (it shouldn't - it would make that much more info piled on top of everything else). I would like to have the terrain info if I am shooting an approach in a canyon.
I suspect that if you practice long enough, you might be able to get used to reading the needles superimposed on the PFD unit and make your course corrections with the aid of digital heading . I have not been able to manage that as well as I would like.
In short, I would prefer to use one of the panels for map info, one for engine and one for flight display and have a dedicated nav head.
I recommend that you find someone with GRT and shoot an approach before you make your decision.
Do not archive
Rob Kermanj
On Nov 22, 2006, at 5:27 PM, McGANN, Ron wrote:
[quote]
G'day all,
Have had to review my Panel design so I don't need to modify the forward fuse ribs or locate the EIS on a subpanel. Config includes 3 screen GRT EFIS, GNS430 and SL30. I have opted for the arinc 429 interface on the GRT. Panel design works ok if I do not need a 3.5" hole for a GI-106A. With the enhanced EFIS capabilities using the 429 i/f, do I really need a separate nav head?? Is the EFIS alone acceptable for IFR?
cheers,
Ron
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[b]
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stein(at)steinair.com
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| Posted: Wed Nov 22, 2006 4:21 pm Post subject: CDI with GRT EFIS |
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Hi Ron, You'll probably be fine, but since you have 2 NAV radios and you want to have 2 nav heads, why not hook the SL-30 to the GRT and the 430 to one of the new nifty little 2.25" CDI Indicators by Mid Continent...same nice CDI, but in a tiny package! The ARINC interface on the GRT won't help much with your problem, as the main function of that box is to allow the TIS traffic to communicate with the Box, and to send out the steering commands for the TruTrak Autopilot. Contact me offline if you have any more specific questions about the GRT's....we've installed an awful lot of them!
Cheers,
Stein.
do not archive
[quote] --
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ron.mcgann(at)baesystems.
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| Posted: Wed Nov 22, 2006 4:30 pm Post subject: CDI with GRT EFIS |
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Outstanding - thanks Stein! I did not realise there was a 2.25" CDI available. Do you supply them?
cheers,
Ron
Do not archive
[quote] --
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jesse(at)itecusa.org
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| Posted: Fri Nov 24, 2006 3:52 pm Post subject: CDI with GRT EFIS |
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I have recently seen a 2.25” nav display advertised that is supposed to work with the Garmin NAV’s. That might be worth looking into. It certainly is nice to have a NAV display for redundancy that never gets covered by other information.
Do not archive.
Jesse Saint
I-TEC, Inc.
jesse(at)itecusa.org (jesse(at)itecusa.org)
www.itecusa.org
W: 352-465-4545
C: 352-427-0285
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of McGANN, Ron
Sent: Wednesday, November 22, 2006 5:27 PM
To: rv10-list(at)matronics.com
Subject: CDI with GRT EFIS
G'day all,
Have had to review my Panel design so I don't need to modify the forward fuse ribs or locate the EIS on a subpanel. Config includes 3 screen GRT EFIS, GNS430 and SL30. I have opted for the arinc 429 interface on the GRT. Panel design works ok if I do not need a 3.5" hole for a GI-106A. With the enhanced EFIS capabilities using the 429 i/f, do I really need a separate nav head?? Is the EFIS alone acceptable for IFR?
cheers,
Ron
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-- Release Date: 11/22/2006 9:01 AM
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11/22/2006 9:01 AM
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