PTT Switch to Yoke?

Ask Questions and Offer Advice Related to the Cessna 120 & 140 Type

Moderators: 6643, 6183, V529

Forum rules
You must be a member of the Cessna 120-140 Association in order to post new topics, reply to existing topics, or search for information on this forum. Use the "Join" link in the red menu bar.
Post Reply
4390
Posts: 58
Joined: Sat Jan 05, 2019 11:21 pm
Name: Franklin B
Aircraft Type:
Occupation-Interests:
Contact:

PTT Switch to Yoke?

Post by 4390 »

I'd like to remove my PTT buttons & coil wires, velcro'd to the yoke, and mount a button to the yoke. I've seen pics of buttons in the center and off to the side of the yoke but the wire appears to be run down the middle of the yoke tube. Other than drilling the tube I don't see another way to run the wire. Not sure I want to drill the tube. How have people installed these?
8359
Posts: 229
Joined: Tue Nov 27, 2018 10:53 pm
Location: KSNA
Name: Tamer A
Aircraft Type: 1946 C120 O-290-D
Occupation-Interests: Engineer
Contact:

Re: PTT Switch to Yoke?

Post by 8359 »

I looked into this and in the end decided to keep my velcro switches. It's a lot of work to maybe get it looking right and I didn't want to risk drilling my yokes and messing them up. I coiled mine around the yoke shaft and then back behind the panel, this keeps them from dangling all over the place. I also cut the cable and wired them directly to the radio.
IMG_1270.JPG
IMG_1270.JPG (266.11 KiB) Viewed 3252 times
Image
6277
Posts: 230
Joined: Tue May 01, 2018 7:00 am
Location: Ann Arbor, MI
Name: Ray Hunter
Aircraft Type: C-140
Occupation-Interests: Retired AF, B-17, UH-1, pilot for Yankee Air Museum
Contact:

Re: PTT Switch to Yoke?

Post by 6277 »

Nice job!
8383
Posts: 14
Joined: Sun Jan 20, 2019 2:46 am
Name: Jim B
Aircraft Type:
Occupation-Interests:
Contact:

Re: PTT Switch to Yoke?

Post by 8383 »

I've recently run my PTT wires through the yoke/shaft. Not too difficult to do.
IMG_0154.jpg
IMG_0154.jpg (422.43 KiB) Viewed 3207 times
4390
Posts: 58
Joined: Sat Jan 05, 2019 11:21 pm
Name: Franklin B
Aircraft Type:
Occupation-Interests:
Contact:

Re: PTT Switch to Yoke?

Post by 4390 »

So, that's basically what I'm asking about, did you drill a hole down at the end of the yoke shaft by the U-joint to run the wire?
8383
Posts: 14
Joined: Sun Jan 20, 2019 2:46 am
Name: Jim B
Aircraft Type:
Occupation-Interests:
Contact:

Re: PTT Switch to Yoke?

Post by 8383 »

There was already a hole in the shaft (on the lower side) a few inches from the hole to attach the U-joint so I used that. You'll need to thread the wires down through the shaft after you have fitted it through the phenolic ball in the panel but it's not difficult, took me a couple of hours to complete the whole thing.
Post Reply

Who is online

Users browsing this forum: No registered users and 15 guests