Alright guys, need a little advice here.......I have a wooden stick handle with a PTT switch in the center. Is there any way to add an autopilot disconnect switch to it or should I just use the PTT for the A/P disc. and use my panel mounted PTT's? I would like to have both on the stick if possible. Also, should I consider replacing the wooden one with somehing else?
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Stick Handle
- Thread starter Abbygirl1
- Start date
Mike S
Senior Curmudgeon
I have no idea what your A/P requires in the way of a disconnect circuit, but if it is like my TruTrak, it only needs one wire switched to ground.
Your PTT already has a ground wire on one side of the switch---------so, it is possible you only need to run one wire and add one switch to the stick. Just share the ground wire if your A/P is of the correct design..............
Your PTT already has a ground wire on one side of the switch---------so, it is possible you only need to run one wire and add one switch to the stick. Just share the ground wire if your A/P is of the correct design..............
TruTrak
Mike, thanks again for the advice. The A/P will be a TruTrak IIVS, so it has the setup you describe. That sounds doable. Thanks amigo.
Mike, thanks again for the advice. The A/P will be a TruTrak IIVS, so it has the setup you describe. That sounds doable. Thanks amigo.
SmilingJack
Well Known Member
Look at pin 3 in the manual.
It appears to be to GRD to support what Mike said.
So it should work....
They call it CWS - control wheel streering. I have a separte switch, but when i hit it momentarily my A/P disconnects.
It appears to be to GRD to support what Mike said.
So it should work....
They call it CWS - control wheel streering. I have a separte switch, but when i hit it momentarily my A/P disconnects.
N941WR
Legacy Member
I have the same grip and when I added my autopilot I simply drilled a small hole in the trigger position, a slightly larger one 1/2 way through the grip, and inserted a micro switch I bought from McMaster-Carr. (Don't drill any holes until you receive the switch so you know the correct size.)
I can't remember the size I used because I bought two different sizes and used the one I felt would work best. 300 Hours and no problems.
I can't remember the size I used because I bought two different sizes and used the one I felt would work best. 300 Hours and no problems.
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Just another option.....I elected to put 2 push momentary switches on the panel. One for the roll A/P and one for the pitch A/P. I like the option of just turning on one A/P at a time, sometimes I just go with the hold altitude-pitch A/P. Also, less wires to run up the stick and it doesn't tire me out to reach the extra 6" to the panel to push a switch. Har Har The push switches are either side of my power switch to the A/P.
Jim
RV9A
Jim
RV9A
rzbill
Well Known Member
Jimbo,
Abbygirl1 is buying my Trutrak Digiflight IIVS. I might have missed it, but I did not see a method to wire in separate pushbuttons to activate the roll and pitch independently.
I liked the TT AP. It rides and tracks nice at the stock settings from the manual.
I am upgrading to GPSS via the GRT systems I already have in the plane (which means its essentially free). At the time I installed the EFIS, the GRT APs did not exist. They DO have the independant roll and pitch pushbutton capability although I have not decided whether to wire it that way.
Abbygirl1 is buying my Trutrak Digiflight IIVS. I might have missed it, but I did not see a method to wire in separate pushbuttons to activate the roll and pitch independently.
I liked the TT AP. It rides and tracks nice at the stock settings from the manual.
I am upgrading to GPSS via the GRT systems I already have in the plane (which means its essentially free). At the time I installed the EFIS, the GRT APs did not exist. They DO have the independant roll and pitch pushbutton capability although I have not decided whether to wire it that way.
