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08-31-2015, 01:24 PM
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Join Date: Nov 2014
Location: Richmond Hill, GA (KLHW)
Posts: 2,189
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Quote:
Originally Posted by sbalmos
Yup, I'll need relays then. I want full trim and flaps controls for both sticks (Tosten CS-8, using the two side thumb buttons for flaps up and down). Going to be doing my instrument training in my bird eventually, so the pax is my instructor.
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Scott,
The VP-X handles the flap and trim relay functionality. Your stick buttons will be wired to the VP-X and the rest will be handled by the VP-X internal relays.
If you plug your info into the VP-X configurator, it will help with showing how to wire it all together.
__________________
Ray
RV-7A - Slider - N495KL - First flt 27 Jan 17
O-360-A4M w/ AFP FM-150 FI, Dual PMags, Vetterman Trombone Exh, SkyTech starter, BandC Alt (PP failed after 226 hrs)
Catto 3 blade NLE, FlightLines Interior, James cowl, plenum & intake, Anti-Splat -14 seat mod and nose gear support
All lines by TSFlightLines (aka Hoser)
Last edited by Raymo : 08-31-2015 at 01:26 PM.
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08-31-2015, 01:31 PM
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Join Date: Oct 2011
Location: Liberty Twp, OH
Posts: 641
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I'm well-aware of the VPX's pinouts and configurator Ray. Just was unsure in my notes whether the inputs from the two sticks can be spliced together into a single input wire into the VPX, or whether it's better / necessary to use a relay for that. Stupid me didn't look directly at VP's website (or manual for that matter).
More coffee is called for. Or maybe more beer, considering I was working on my canopy this weekend. 
__________________
Scott Balmos - RV-9A N112SB
Cincinnati, OH, KHAO
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09-01-2015, 10:16 AM
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Join Date: Apr 2015
Location: Burbank
Posts: 96
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Don't for the end of the CAN
If I read it correctly, you must install the special plug on each of the sa 28 servos to allow the uses of the manual trim when the ap is not in use, is this correct?
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09-01-2015, 10:30 AM
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Join Date: Sep 2012
Location: Omaha, NE (KMLE)
Posts: 2,247
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There's a removal adapter that has to be installed in place of the A/P servo if the A/P servo is disconnected. That will connect your manual electric trim switches to the trim servos so you still have trim. If the A/P servos are connected, you won't have the removal adapter installed.
When the A/P is off, switch inputs are sent directly to the trim servos. When the A/P is active, it can auto-trim the airplane.
__________________
Dale
Omaha, NE
RV-12 # 222 N980KM "Screamin' Canary" (bought flying)
Fisher Celebrity (under construction)
Previous RV-7 project (sold)
Last edited by DaleB : 09-01-2015 at 10:33 AM.
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09-01-2015, 10:30 AM
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Join Date: Jun 2006
Location: Vero Beach, FL
Posts: 881
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If you were to remove one of the GSA 28 servos, yes, you would need to install the adapter in its place, but this is for continuity of the CAN bus. If you didn't install it you could lose everything on the CAN bus, which is a lot. Normally, the adapters are not installed, just when you pull a GSA 28 servo.
Last edited by Pat Hatch : 09-01-2015 at 10:38 AM.
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09-01-2015, 12:38 PM
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Join Date: Apr 2015
Location: Burbank
Posts: 96
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G3x installation
I have the electric connection and the garmin installation manual. Anyone living in burbank ca area that would be interested in doing a little wiring? I would pay someone to help with this project. I went to eaa workshop and have done lots of electric wiring on misc projects. Just looking to speed up the job.
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09-04-2015, 02:12 PM
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Join Date: Apr 2015
Location: Burbank
Posts: 96
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Gsa28 connection?
Does pins 11,12 on GSA 28 into the green and orange wire coming out of ray Allen rel-2 relay deck? Does pin 13,14 go to black and (red and blue) on rel-2? Also with the relay decks, do you hook up both switches ( used to move the same servo) form the pilot and copilot stick to these switches? Pig back them? What happen if the pilot pushes one direction and the copilot goes the other way? A drawing would really help. I got the CAN questions answered, thanks
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09-04-2015, 02:42 PM
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Join Date: Jun 2006
Location: Vero Beach, FL
Posts: 881
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No, the orange and green wires from the relay go to your stick grip. The two white wires from the relay go to pins 11 and 12 on the GSA28. Then pins 13 and 14 go to your trim motor.
Check out Figure 23-1.6, page 23-6 of the Garmin Install Manual, Revison U. Don't worry too much about polarity, you will sort that out in the configuration software.
Last edited by Pat Hatch : 09-04-2015 at 06:16 PM.
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09-04-2015, 06:01 PM
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Join Date: Jun 2006
Location: Vero Beach, FL
Posts: 881
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Quote:
Originally Posted by Gizmos
Also with the relay decks, do you hook up both switches ( used to move the same servo) form the pilot and copilot stick to these switches? Pig back them? What happen if the pilot pushes one direction and the copilot goes the other way? A drawing would really help. I got the CAN questions answered, thanks
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Yes, you can hook up both switches from the pilot and copilot stick to the green and orange wires on the relay deck. If the pilot pushes in one direction and the copilot in the opposite direction, the trim motor simply stops. This is the way it works on the big airplanes  . If both pilots push in the same direction, the trim motor is not affected.
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09-04-2015, 09:37 PM
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Join Date: Apr 2015
Location: Burbank
Posts: 96
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Thanks pat, just wiring all the servos. I may have more questions, thanks for your help. Want to get my rv9a flying. Sold my 6 last year.
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