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08-12-2014, 10:14 PM
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Join Date: Jun 2013
Location: Tucson, Az
Posts: 144
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Dynon Autopilot setup
I am having trouble setting up the pitch portion of the Dynon autopilot. Roll works great. It turns to a heading smoothly. Intercepts a localizer without hunting.
I can select an altitude to climb or descend to without a problem.
What it won't do is intercept the glide slope without large overshoots. It seems to wait to long after initial intercept to start down and then has to dive to to catch up. After that it hunts and as it gets close to DH will repeatedly pitch up and down quickly until I disconnected it. I am using a GTN650 for the approach
Any ideas/suggestions? Can someone send me their pitch settings?
Thanks
__________________
Alan Muhs
Tucson, Arizona
Dues overpaid July 2020
RV12iS Southern Arizona Teen Aviation: #1 airplane sold, #2 airplane working on engine/finish kit, #3 airplane tail kit finished.
RV10 flying since July 2014- 700 hrs as of July 2020
RV6A sold after 500 hours of flying
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08-12-2014, 10:34 PM
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Join Date: Jun 2013
Location: Tucson, Az
Posts: 144
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Dynon autopilot
If I had some slop wouldn't show in the altitude hold mode as well?
__________________
Alan Muhs
Tucson, Arizona
Dues overpaid July 2020
RV12iS Southern Arizona Teen Aviation: #1 airplane sold, #2 airplane working on engine/finish kit, #3 airplane tail kit finished.
RV10 flying since July 2014- 700 hrs as of July 2020
RV6A sold after 500 hours of flying
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08-12-2014, 10:55 PM
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Join Date: May 2008
Location: Brisbane Qld. Aust.
Posts: 2,303
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Later in the month when I get home I can give you our setup which works really well.
Send me your email address.
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______________________________
David Brown
DYNON Authorised Dealer and Installer
The two best investments you can make, by any financial test, an EMS and APS!
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08-12-2014, 11:10 PM
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Join Date: Aug 2010
Location: Marshall TX (KASL)
Posts: 1,787
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The Dynon website has a detailed inflight tuning procedure for the AP settings. Download that, print. Also the version 11 AP software just out is supposed to be an improvement in some of the AP response, particularly with the trim warnings.
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Bill H, RV12, N412BR "Sweetie", Skyview-equipped, KASL Marshall TX
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08-23-2014, 03:46 PM
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Join Date: Jun 2006
Location: SoCal
Posts: 180
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Dunno autopilot
To billh point you need to configure the autopilot for the -10 per the inflight instructions- http://dynonavionics.com/cgi-bin/yab...num=1405928822
10.2 made some fine tuning that 11 picked up but you need the roll and pitch configured correctly for it to work "better"
Pascal |
08-23-2014, 06:16 PM
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Join Date: Jun 2013
Location: Tucson, Az
Posts: 144
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Dynon AP setup
Before my first post I went through the Dynon AP setup but was still having trouble, I have since done some further flying/adjusting and have it working pretty well.
I tweaked the AP setup and made some adjustments to my power settings and approach speed.
__________________
Alan Muhs
Tucson, Arizona
Dues overpaid July 2020
RV12iS Southern Arizona Teen Aviation: #1 airplane sold, #2 airplane working on engine/finish kit, #3 airplane tail kit finished.
RV10 flying since July 2014- 700 hrs as of July 2020
RV6A sold after 500 hours of flying
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10-07-2017, 11:39 AM
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Join Date: Jul 2009
Location: Richmond, VA
Posts: 68
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autopilot behavior on glide slope
I have had a similar experience, and then I found out that the settings which the inflight tuning guide tells you not to mess with are critical for the glide slope behavior. I adjusted altitude gain, pull rate, VSI gain, and G error gain and I get great behavior on the glide slope now. I need to learn which controls what because right now I am just following a post which showed some settings that worked for some other RV-10s.
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