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#1
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How about GPSS
Has anyone hooked one up to a Garmin 430/530W with a gpss convertor? Does the gpss make it track better on a cross country course and will it fly procedure turns and gps approaches?
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#2
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I'm curious about the same if I hook an Aspen Pro into the autopilot.
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#3
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If you hook this system up to the A/P and you have a Course/Heading input and a left/right and operate it in NAV mode should be no problem.
Pete |
#4
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Pete, I'm no expert on this, but the "if" in your sentence is significant. I think it may be hard to get the two units to "talk" and "handshake" effectively. And lots of luck finding a shop with experience in marrying a modern GPS with a legacy ARC autopilot. Again, I could be wrong, but could you expand on the difficulty in achieving this?
Ernie |
#5
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Sorry Ernie, I did not take the time to think about this one and put it into something that made some sense. But Ok here we go.
In normal NAV mode the 400A takes heading information which on a HSI is provided by the Course (yellow arrow with the L/R bar in the centre on the King system). Left/Right is provided by the NAV system to provide track error. All or most GPS provide a track error signal that can be displayed on a standard CDI for track error, this left/right can be wired through a switch and you will be able to either use NAV or GPS. However you will have to use the No1 NAV system as this supplied the CRS error signal. Hope this make sense Regards Pete |
#6
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Aspen pro for GPSS autopilot commands
I have the Garmin 530W and Aspen Pro installed and should have the 400A installed by April 2. I am expecting hands off waas approaches, but I'll believe it when I see it.
I understand the GPSS should send 'approach' sensitivity to the 400A for more precise tracking even during regular cross country GPS navigation. Do you guys agree? |
#7
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My experience has been good with a 530/430 (non WAAS) to the ARC unit, although I also have a Flight Director. In NAV mode, it will follow the magenta line quite nicely and even the turns are not bad as the Garmin unit does use anticipation which if I recall correctly is programable anyway in the Garmin. Than with LOC mode armed, when LOC is sensed, it switches to that and with GS armed, when intercepted, the glide slope is also followed.
Works pretty well, but that said I almost always hand fly the approaches for the practice and monitor the entire approach when coupled. There was a requirement for an adapter box or two so the Garmins would talk to everything as I recall, but that was the top and tail of it. Peter has seen my set-up so may also be able to comment further. Regards - Dave |