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  #1  
Old 08-11-2019, 07:08 PM
Dave S Dave S is offline
 
Join Date: Nov 2018
Location: Eagan, MN
Posts: 22
Default TruTrak

I'm building an RV-7 I'd like to make IFR capable with an auto pilot. I'm leaning towards a TruTrak due to its 'independent/redundancy' in the event of avionic failures. I visited the booth in Oshkosh and they folks were helpful, but now that I'm home, looking over the information, I'm confused.

Can someone in plain english explain the difference between the Gemini, and the Vizio models.

I know the Vizio has the option of two different control heads, and the Gemini has a back up Attitude indicator with airspeed, vertical speed on the control head.

Thanks in advance
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  #2  
Old 08-11-2019, 09:12 PM
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Walt Walt is offline
 
Join Date: Aug 2005
Location: Dallas/Ft Worth, TX
Posts: 5,227
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Do yourself a favor and go with the AP from which ever vendors glass panel you install (this assumes all new aircraft are built with glass of course).
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Walt Aronow, DFW, TX (52F)

EXP Aircraft Services LLC
Specializing in RV Condition Inspections, Maintenance, Avionics Upgrades
Dynamic Prop Balancing, Pitot-Static Altmeter/Transponder Certification
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Authorized Garmin G3X Dealer/Installer
RV7A built 2004, 1700+ hrs, New Titan IO-370, Bendix Mags
Website: ExpAircraft.com, Email: walt@expaircraft.com, Cell: 972-746-5154
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  #3  
Old 08-11-2019, 09:55 PM
BobTurner BobTurner is offline
 
Join Date: Dec 2011
Location: Livermore, CA
Posts: 5,805
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Quote:
Originally Posted by Walt View Post
Do yourself a favor and go with the AP from which ever vendors glass panel you install (this assumes all new aircraft are built with glass of course).
I disagree. The OP said heís looking for redundancy/backup. Thatís a good thing, IMHO, to have. It will cost $1K more than one built into the efis.
To the OP: Take a look at the Trio. It integrates perfectly with my GRT HX, but also can run stand-alone. It even will display a symbolic turn coordinator, and digital altitude, without efis input. And it uses a clutch so when not in use it is totally out of the loop.
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  #4  
Old 08-12-2019, 06:07 AM
Tankerpilot75 Tankerpilot75 is offline
 
Join Date: Jan 2015
Location: Oklahoma City, OK
Posts: 426
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Listen to Walt!
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Jim Harris, RV7A, 2nd owner, N523RM
IO-360, Hartzel CS prop, Older Aerotronics built panel Dual GRT Horizon WS, GRT EIS, Garmin 340, 335, Dual 430s, TruTrak 385 A/P with auto level, FlightBox hard wired to WS, Dynon D10A with internal battery (backup EFIS), 406 MHz ELT.
Retired - Living the dream - And going broke!
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  #5  
Old 08-12-2019, 06:53 AM
Skid's Avatar
Skid Skid is offline
 
Join Date: Jun 2006
Location: Walworth, WI
Posts: 144
Default AP

Quote:
Originally Posted by Dave S View Post
I'm building an RV-7 I'd like to make IFR capable with an auto pilot. I'm leaning towards a TruTrak due to its 'independent/redundancy' in the event of avionic failures. I visited the booth in Oshkosh and they folks were helpful, but now that I'm home, looking over the information, I'm confused.

Can someone in plain english explain the difference between the Gemini, and the Vizio models.

I know the Vizio has the option of two different control heads, and the Gemini has a back up Attitude indicator with airspeed, vertical speed on the control head.

Thanks in advance
I have a TruTrak Digiflight 200 without vertical speed and am upgrading it to a Vizion. I spoke to GRT and TruTrak at Oshkosh and decided to upgrade, I have a Garmin 430 (non W), which I may upgrade to either a 650 or Avidyne in the future. I have a switch for selecting either the EFIS driving the AP or the 430, the 430 is connected to the GRT EFIS via an ARINC so the system is capable of shooting approaches. By upgrading to the Vizion I will be able to have the 430/EFIS drive the Vizion and shoot a coupled approach, which is my goal.
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RV-6A
IO-360 B1B
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  #6  
Old 08-12-2019, 07:18 AM
jeffkersey's Avatar
jeffkersey jeffkersey is offline
 
Join Date: Sep 2015
Location: Cottontown, TN
Posts: 212
Default Gemini AP thoughts...

I have the Gemini AP. It can fly and approach better than I can. Like coming down on rails. The backup EFIS is great.

The things that could be better. It does not remember the last Pressure setting when powered down. It does not fly the VNAV from the GTN650 en-route. It does fly approaches. It only flies RNAV, not ILS/VOR/LOC.
It does not take fly with input from my DYNON D100. It has one input encoder. A knob that pushes in, rotates, and toggles up/down, left/right.
It bumpy conditions it is possible to input something you don't want to.
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