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rkaplan
Administrator
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Posted: Fri Apr 21st, 2006 01:57 pm |
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Allan wrote: Well.. Richard, I see you have both 430 and 296 installed, so maybe you could let me know how well 430/autopilot stick to a GPS track. The 296 will record the flight, and the trackrecord may be downloaded to MAPSource for analyse.
I do not have GPSS so for sure I can be more accurate making turns to a new course in heading mode instead of NAV mode.
I think you are probably right that comparing a GPSS mode to a pilot turning a heading bug, the question of which is more accurate probably depends upon the pilot. I suspect that if you zoom in the map on the 296 however to an extremely close-in scale (i.e. 1/2 mile scale) then that would increase the accuracy of your pilots flying this by manually turning a heading bug connected to the autopilot.
____________________
Richard Kaplan, CFII
rkaplan@flyimc.com
http://www.flyimc.com
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Allan
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| Joined: | Tue Apr 18th, 2006 |
| Location: | Denmark |
| Posts: | 6 |
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Posted: Tue Apr 25th, 2006 10:46 am |
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Yes Richard that is what we are doing.
and by changing 296 HSI CDI full scale deflection from 5 NM to 0.25 NM we achieve track precision of +- 200 ft.
Still it would be nice to upload waypoints to 430 and let the autopilot do the work. Lets hope resca will find a way.
Last edited on Tue Apr 25th, 2006 12:58 pm by Allan
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Allan
Denmark
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railpass
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| Joined: | Sat Jun 3rd, 2006 |
| Location: | Atlanta, GA, USA |
| Posts: | 3 |
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Posted: Fri Jun 16th, 2006 01:25 am |
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rkaplanwrote: 1. You can see 396 weather and terrain overlayed on the route flight planned in the 430 I would LOVE to see what that looks like on a 430 or 530. Any chance you could post a photo?
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rkaplan
Administrator
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Posted: Fri Jun 16th, 2006 02:31 am |
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railpass wrote: I would LOVE to see what that looks like on a 430 or 530. Any chance you could post a photo?
To be honest, weather on the 430 or 530 (i.e. the GDL69) looks awful. I do not recommend it.
The best platforms to display weather are multi-function displays (i.e. an Avidyne EX500 which is my personal favorite or else the old Garmin MX20 which is soon to be the Garmin GMX200). The Garmin 396 does an excellent job of depicting weather as well and is a great value as well especially at its new retail price of $2,195. But while I love the Garmin 430/530 as GPS units, I think most pilots who try to display weather on the 430/530 are very disappointed while those who use the 396 or an MFD are much happier.
____________________
Richard Kaplan, CFII
rkaplan@flyimc.com
http://www.flyimc.com
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railpass
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| Joined: | Sat Jun 3rd, 2006 |
| Location: | Atlanta, GA, USA |
| Posts: | 3 |
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Posted: Fri Jun 16th, 2006 03:42 am |
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| That makes sense when I think about the 430/530 displays themselves. I think they can only do 16 colors or some such limited amount. I have a KMD 550, which doesn't appear to be the world's most versatile MFD. Too bad I couldn't put the 396 on the KMD - now that would be pretty cool. Last edited on Fri Jun 16th, 2006 03:43 am by railpass
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AlecThigpen
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Posted: Sun Aug 13th, 2006 06:35 am |
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>"I do not have GPSS so for sure I can be more accurate making turns to a new course in heading mode instead of NAV mode.
I think you are probably right that comparing a GPSS mode to a pilot turning a heading bug, the question of which is more accurate probably depends upon the pilot. I suspect that if you zoom in the map on the 296 however to an extremely close-in scale (i.e. 1/2 mile scale) then that would increase the accuracy of your pilots flying this by manually turning a heading bug connected to the autopilot."<
I use the heading bug and autopilot, with the 196, or now the 496, on map page with HSI to fly my maps. I use the 0.25 sensitivity, and can easily hold a 200 foot tolerance. If you use the course projection line feature, you can put the extension line on the far end of the flight line and it is nailed. The autopilot is following the bug, altitude hold is engaged and all is well. I have tried with setting up the flight lines on the 530 with GPSS and the GPSS turns are too slow, the system tries to lock in a heading but isn't as precise as doing it by hand and then engaging the autopilot. You would have to fly 4 or 5 miles past the start point to even have a chance of settling in to the path in time. That is lots of wasted air time. The autopilot just spends too much time hunting for the exact course using the 530 and GPSS.
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