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03-22-2015, 03:43 PM
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Join Date: Apr 2014
Location: Port Orange, Fl
Posts: 931
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SkyView not showing pitch trim position
I'm running SkyView 12 installed from Van's site. I have a pitch trim position indicator in the lower right corner of the EMS display but it's blank - no indication of trim position.
The trim motor operates correctly and I've checked the pins on both sides of the connector on the trim motor and they are correct. I've also checked continuity from the trim motor connector pin 3 (PTRIM SERVO POSITION) to the Control Module (WH-00046 pin 4). After that I get a bit lost in the schematics but I think the rest is purely between the Control Module, EMS Module and the D1000T.
I do not have an Autopilot Knob Module if that's relevant.
I don't see any setup that would affect this.
Am I missing something? What else can I check to shoot the problem?
__________________
Tom
Port Orange, Fl
EAA #51411
RV-12 N121TK ELSA #120845; first flight 06/10/2015; 700 hrs as of 02/2020
RV-12 N918EN ELSA #120995 Eagles Nest Project; first flight 05/18/2019
SPA Panther N26TK; First Flight 03/13/2020
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03-22-2015, 04:00 PM
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Join Date: Feb 2010
Location: Perth, Western Australia
Posts: 1,647
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I had a similar problem. Trim operated correctly but I had no trim position indicator on the screen. Mine turned out to be a bad crimp on the white/green signal wire in the tail cone. Replaced the connector and it worked.
__________________
rgmwa
RV-12LR 912ULS
120346
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03-22-2015, 04:12 PM
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Join Date: Apr 2014
Location: Port Orange, Fl
Posts: 931
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That's what I thought it might have been but I had good continuity from the tail cone all the way to the Control Module. The motor side of the connector looks good.
__________________
Tom
Port Orange, Fl
EAA #51411
RV-12 N121TK ELSA #120845; first flight 06/10/2015; 700 hrs as of 02/2020
RV-12 N918EN ELSA #120995 Eagles Nest Project; first flight 05/18/2019
SPA Panther N26TK; First Flight 03/13/2020
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03-22-2015, 04:18 PM
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Join Date: Nov 2013
Location: Cumming,GA
Posts: 95
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I had the same problem that
My solution was to go into the setup menu, then hardware calibration, pitch trim. When I did the calibration procedure the trim position indicator magically appeared. I had to look through the setup menu several times to finally locate this cal. All this is from memory so the exact procedure and nomenclature might not be 100% correct. I'll go check my Skyview later tonight or tomorrow morning and report back.
__________________
N412DR
Kit 120797
First flight 8/21/15 what an awesome aircraft!
HOBBS @305
Dues paid 2020
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03-22-2015, 04:50 PM
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Join Date: Apr 2014
Location: Port Orange, Fl
Posts: 931
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Thanks, Doug. I tried to go that route earlier. You were real close, it's in Hardware Config > ADAHRS Config > Trim Motor Config. The problem is that choice is dim (not selectable) . It says "Trim Motor Config (No SV-AP-PANEL)". Hard to believe we'd require that panel just to get a trim position indicator but, I suppose, possible.
__________________
Tom
Port Orange, Fl
EAA #51411
RV-12 N121TK ELSA #120845; first flight 06/10/2015; 700 hrs as of 02/2020
RV-12 N918EN ELSA #120995 Eagles Nest Project; first flight 05/18/2019
SPA Panther N26TK; First Flight 03/13/2020
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03-22-2015, 05:13 PM
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Join Date: Nov 2013
Location: Cumming,GA
Posts: 95
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try this
Hardware calibration, ems calibration, elev calibration. That's how I got mine to work, sitting in the plane now looking at it. I set my takeoff trim arbitrarily by a time count of halfway between stops. Probably not the correct TO trim but it's someplace to start. I do have the latest version firmware from Van's (12.1?) . Hope it helps.
__________________
N412DR
Kit 120797
First flight 8/21/15 what an awesome aircraft!
HOBBS @305
Dues paid 2020
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03-22-2015, 05:33 PM
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Join Date: Dec 2011
Location: TWIN WATERS, Queensland, AUSTRALIA
Posts: 89
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Hi Tom, Doug is right; the 'Wizard' is listed as 'Elev calibration', not Trim. I did mine 2 days ago & was about to give up when I found it after 15 mins of button pushing! Cheers, DEAN...
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03-22-2015, 05:33 PM
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Join Date: Apr 2014
Location: Port Orange, Fl
Posts: 931
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You nailed it Doug, thanks. I must have been through those calibration settings a dozen time and never saw that setting in the EMS section.
Thanks for taking the time to find it.
__________________
Tom
Port Orange, Fl
EAA #51411
RV-12 N121TK ELSA #120845; first flight 06/10/2015; 700 hrs as of 02/2020
RV-12 N918EN ELSA #120995 Eagles Nest Project; first flight 05/18/2019
SPA Panther N26TK; First Flight 03/13/2020
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03-22-2015, 05:56 PM
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Join Date: Nov 2013
Location: Cumming,GA
Posts: 95
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Glad to help! Even if you started your build after mine and have nearly caught and passed me  . My -12 is all ready to fly but it is in my shop,,,,,, at home. Now I'll have to build a trailer to get to the airport. And I need transition training, and I travel to work in nuclear plants all over the US and abroad. Just got back today from 3 weeks in Belgium, go back on Sunday for 2 more. You will probably fly before I do.Best of luck, sounds like you're close to first flight and keep us all posted.
DBR
__________________
N412DR
Kit 120797
First flight 8/21/15 what an awesome aircraft!
HOBBS @305
Dues paid 2020
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03-22-2015, 06:01 PM
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Join Date: Apr 2014
Location: Port Orange, Fl
Posts: 931
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Getting closer but mine is still in my garage. Planning to move it to the hanger in a couple of weeks - guessing a month or so to inspection. I still have my "transition training" to go as well but mine might be a bit more extensive - haven't been PIC in 30 years  . Hopefully it'll be like getting back on a bike 
__________________
Tom
Port Orange, Fl
EAA #51411
RV-12 N121TK ELSA #120845; first flight 06/10/2015; 700 hrs as of 02/2020
RV-12 N918EN ELSA #120995 Eagles Nest Project; first flight 05/18/2019
SPA Panther N26TK; First Flight 03/13/2020
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