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Removable stick connector

wirejock

Well Known Member
Patron
What connector can be used to make the passenger stick easier to remove?
I have Tosten grips so 10 pins plus ground. Not much room in the stick but I really don't want to fight with terminating wires.
 
I used a CPC connector for the rear stick on my RV-8. Disconnects with a quarter turn.
Cool, but on my 7A that would require removing the entire stick weldment. My wires exit the bottom of the stick weldment.
Keep 'em coming!
 
I use a DB15. No issues in 420 hours. Only removed it once.
Can't. My cable goes down the tube. DB15 won't fit. I need and want a 12 pin I can epoxy the male at the weldments and the female in the stick tube. That way, I pull the bolt and the stick comes out.
 
Soldered wires to the switches on one side, ran the cable for the other side down through the lower weldment. Pics are on my website, in the post linked above.
Oops. Sorry. I missed that. Nice work. I will order one and follow suit. Thx
 
Can't. My cable goes down the tube. DB15 won't fit. I need and want a 12 pin I can epoxy the male at the weldments and the female in the stick tube. That way, I pull the bolt and the stick comes out.
Remove the pins from the connector. Run all the lines down the tube then reinsert the pins in the connector.
 
I cheated, only put the PTT on the passenger stick so much easier. Did you duplicate all the functionality so that the plane could be flown completely from either seat?
Figs
 
I cheated, only put the PTT on the passenger stick so much easier. Did you duplicate all the functionality so that the plane could be flown completely from either seat?
Figs
Yes. I am righty. Sweetie lefty. Eventually, I will move to the right.
 
Remove the pins from the connector. Run all the lines down the tube then reinsert the pins in the connector.
It will work, but very difficult to route the excess cable and secure it through the stick boot hole. Thx though.
 
I used a dsub similar to Foghorn. Except mine is on a bracket that goes between the seat ribs. I’ll try to find a pic.
 
I used a dsub similar to Foghorn. Except mine is on a bracket that goes between the seat ribs. I’ll try to find a pic.

What prevents that connector from self-disconnecting? Maybe you added a retaining mechanism after you took the photos in post #22?
 
I use a DB15. No issues in 420 hours. Only removed it once.View attachment 94580
Every time I build or wire an airplane I go thru the same headache. How to run push-to-talk cables into the stick so that they can tolerate the stick motion and be trouble free. This is a nice solution to half the problem (the pitch motion). Any bulkhead-mount connector would work. D-sub is certainly the most common.

For my current project, the torque tube (roll motion) turns in big nylon pillow-blocks, so an external cable is not desirable. I am thinking about trying to run the cable inside the torque tube (competing for space with the pitch link tube).

Wouldn't it be nice if the custom was to locate PTT switches somewhere that doesn't move? Granted it's nice to have it right at your hand, but it is a wiring headache.
 
"...Every time I build or wire an airplane I go thru the same headache. How to run push-to-talk cables into the stick so that they can tolerate the stick motion and be trouble free..."
If you figure it out, I'm all ears. Seems like the more functions, the bigger the bundle, the stiffer it becomes, the more it's going to want to bend in one spot.
 
What prevents that connector from self-disconnecting? Maybe you added a retaining mechanism after you took the photos in post #22?
No retention mechanism. It would be pretty hard for it to come lose. Its a pretty snug fit. It's the copilot stick so the use of the stick buttons is pretty limited and I have redundant elev trim on the panel. Plus Dynon AP auto trim. Also, I disconnected the Flap function on the co-pilot stick. Thought of someone inadvertently pressing it at cruise made me nervous. You could always add a back shell with retention if your worried about it.
 
No retention mechanism. It would be pretty hard for it to come lose. Its a pretty snug fit. It's the copilot stick so the use of the stick buttons is pretty limited and I have redundant elev trim on the panel. Plus Dynon AP auto trim. Also, I disconnected the Flap function on the co-pilot stick. Thought of someone inadvertently pressing it at cruise made me nervous. You could always add a back shell with retention if your worried about it.
I did something similar, 'cept different. The Dsubs came with threaded holes so I'll connect that way.. If you don't decide to run a longer screw through both halves, a couple of zip-ties or loops of 020 safety wire holding the halves together wouldn't be unwise. Lots of shouldn'ts, no-ways, and improbables happen every day; at least in my world.
 
Every time I build or wire an airplane I go thru the same headache. How to run push-to-talk cables into the stick so that they can tolerate the stick motion and be trouble free. This is a nice solution to half the problem (the pitch motion). Any bulkhead-mount connector would work. D-sub is certainly the most common.

For my current project, the torque tube (roll motion) turns in big nylon pillow-blocks, so an external cable is not desirable. I am thinking about trying to run the cable inside the torque tube (competing for space with the pitch link tube).

Wouldn't it be nice if the custom was to locate PTT switches somewhere that doesn't move? Granted it's nice to have it right at your hand, but it is a wiring headache.
I put the pax PTT on the panel next to the headset jacks because:
- I fly solo 95% of the time
- I remove the stick to load camping stuff on the RH seat like for Oshkosh
- Gravity holds the stick in place; the plane is a -9A
 
I put the pax PTT on the panel next to the headset jacks because:
- I fly solo 95% of the time
- I remove the stick to load camping stuff on the RH seat like for Oshkosh
- Gravity holds the stick in place; the plane is a -9A
Did the same on my 10. Another benefit is that the co-pilot can talk without touching the stick.
 
Follow up. I tried the Hirose connectors mentioned above. They are awesome, but no way I could solder the Tosten stick wires. One, they are larger AWG than the solder terminals accept. Two, there's eleven wires in my stick.
Plan B.
I ordered one of these...HangTon Hirose 12 Pin Male to 12 Pin Female.
It's the same locking Hirose connectors with a cable. It's some sort of video cable. Six twisted pairs inside. Heavy duty jacket,shielded with a strain relief inside.
I asked Kevin @ Tosten for a blank circuit board from the Military Grip. It's easier to solder new than to remove and solder new wires.
The rest was pretty straightforward. Swapped the Tosten cable for the Hirose. I installed it so the male would be the connector left in the weldment. Less FOD getting into the terminals. Slipped the cable down the weldment. The end of the cable got terminated to the same D-sub from the previous cable. Double checked every function. Reassembled.
I did lube the cable with a coating of silicone so it slides out easily when the stick is pulled up.
I don't recommend this if your stick is handling full amperage. Mine just grounds circuits so the smaller wires are not an issue. It's also tricky taking a Tosten grip apart. Pretty tight tolerances. Everything has to be perfect to reassemble. Remember to slip the stick bushing on the wire.
I removed and replaced it a few times to make sure it was easy. The only tricky part is the set screw and the weldment bolt. The locking Hirose is very secure. I was very pleased and suggested Kevin offer it to customers as an option for co-pilot stick orders.
I still need some sort of quick disconnect instead of the bolt, washer, nut. Any ideas?
The photo is the first attempt. I wasn't happy with the work. I replaced the circuit board and a new cable just in case.
20251020_161858.jpg
 
Matt,
Very trick solution. Do they make those cables with 22 AWG wire or 20 AWG?
I couldn't find one. If the wire is thicker, the cable probably won't pass through the weldment between the two bearings. Wires are metric. Probably 24AWG. Thin but only a little thinner than the Tosten harness.
 
In lieu of the bolt, I used these, but raiding an old set of crutches is another option.
kayak Paddle Spring Clips

There are no electronics on my passenger stick. Side panel mounted PTT as others have suggested. The main stick has a Dsub in the harness since that whole stick weldment needs to come out anyway if you need to remove the stick.
 
Wouldn't it be nice if the custom was to locate PTT switches somewhere that doesn't move? Granted it's nice to have it right at your hand, but it is a wiring headache.
During my training for my PPL, no headsets were needed in the PA28-151 that were used as trainers. We had to lean down and grab the mike from the rudder trim tower, hold it to our chin and PRESS the mike button and speak..... and you guys can't find a location to install a PTT other than the top of the stick.... :sneaky:
 
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