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nukeflyboy
Joined: 05 Jan 2008
Posts: 162
Location: Granbury, TX
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 Posted: Thu Jun 21, 2012 11:32 am Post subject: GX Pilot Software Upgrade |
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I have been having some challenges with pitch oscillations in my G3X/GX Pilot integrated autopilot. In flight test initially I was having divergent pitch oscillations in cruise. It only took a bit of turbulence to get it started. Adjusting the VRT Activity from the factory setting of 3 to a new setting of 8 (range 0-36) seemed to solve that problem. Any higher than 8 and it gets twitchy.
I have also had problems capturing a glide path. The nose pitches down too far then overcompensates by pitching up, again divergently. I called TruTrak today about it and spoke to Zack. After describing the symptoms he asked which software version I had - answer 2.49. He said that "there is a software revision that is relevant to this problem". The unit has to be sent back to them for this software revision and I will do this when I return from my Johnson Creek vacation. Turnaround is a couple days.
This is just for your info and should be of interest to those of us with GX Pilot autopilots. Check your software version. Mine was bought 9/2011.
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Dave Moore
RV-6 built and sold
RV-10 built and flying |
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Strasnuts
Joined: 10 Feb 2009
Posts: 502
Location: Salt Lake City, UT
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| Posted: Thu Jun 21, 2012 1:07 pm Post subject: GX Pilot Software Upgrade |
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Interesting. I have the combo too and purchased mine before 9/2011. I really haven't seen it do the oscillations. I see a very slight dip when in a turn and losing the horizontal component of lift. It barely over compensates but quickly stabilizes.
Sent from my iPhone
On Jun 21, 2012, at 13:32, "nukeflyboy" <flymoore(at)charter.net> wrote:
| Quote: |
I have been having some challenges with pitch oscillations in my G3X/GX Pilot integrated autopilot. In flight test initially I was having divergent pitch oscillations in cruise. It only took a bit of turbulence to get it started. Adjusting the VRT Activity from the factory setting of 3 to a new setting of 8 (range 0-36) seemed to solve that problem. Any higher than 8 and it gets twitchy.
I have also had problems capturing a glide path. The nose pitches down too far then overcompensates by pitching up, again divergently. I called TruTrak today about it and spoke to Zack. After describing the symptoms he asked which software version I had - answer 2.49. He said that "there is a software revision that is relevant to this problem". The unit has to be sent back to them for this software revision and I will do this when I return from my Johnson Creek vacation. Turnaround is a couple days.
This is just for your info and should be of interest to those of us with GX Pilot autopilots. Check your software version. Mine was bought 9/2011.
--------
Dave Moore
RV-6 flying
RV-10 QB - flying
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=376240#376240
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| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV10-List |
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40936
RV-10 SB N801VR Flying
780 Hours
SuperSTOL 60 hours |
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robin(at)PaintTheWeb.com
Guest
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| Posted: Thu Jun 21, 2012 1:29 pm Post subject: GX Pilot Software Upgrade |
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My GX is as Sean describes out of the box. My Sorcerer has required update(s) back at the factory. Also an amazing AP.
Robin
Sent from the new iPad
On Jun 21, 2012, at 5:21 PM, "Seano" <sean(at)braunandco.com> wrote:
| Quote: |
Interesting. I have the combo too and purchased mine before 9/2011. I really haven't seen it do the oscillations. I see a very slight dip when in a turn and losing the horizontal component of lift. It barely over compensates but quickly stabilizes.
Sent from my iPhone
On Jun 21, 2012, at 13:32, "nukeflyboy" <flymoore(at)charter.net> wrote:
>
>
> I have been having some challenges with pitch oscillations in my G3X/GX Pilot integrated autopilot. In flight test initially I was having divergent pitch oscillations in cruise. It only took a bit of turbulence to get it started. Adjusting the VRT Activity from the factory setting of 3 to a new setting of 8 (range 0-36) seemed to solve that problem. Any higher than 8 and it gets twitchy.
>
> I have also had problems capturing a glide path. The nose pitches down too far then overcompensates by pitching up, again divergently. I called TruTrak today about it and spoke to Zack. After describing the symptoms he asked which software version I had - answer 2.49. He said that "there is a software revision that is relevant to this problem". The unit has to be sent back to them for this software revision and I will do this when I return from my Johnson Creek vacation. Turnaround is a couple days.
>
> This is just for your info and should be of interest to those of us with GX Pilot autopilots. Check your software version. Mine was bought 9/2011.
>
> --------
> Dave Moore
> RV-6 flying
> RV-10 QB - flying
>
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> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=376240#376240
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