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Thread: PTT Switches

  1. #1

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    Default PTT Switches

    Hey Guys,
    Has anyone rigged up push-to-talk switches on their original yokes? I am getting ready to install an intercom and want to install PTT switches on the yokes. I have the velcro ones, but the old Cessna I have been flying has micro-switches mounted on the yokes and in the perfect location for pushing with the thumb. Just wondering if anyone has installed some kind of permanent ones on their yokes. Thanks,

    Tony

  2. #2
    Treetop_Flyer's Avatar
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    I have some in my yokes, but I did not install them. When my plane gets back from annual, I can take pictures for you. I think they are a standard switch available from Aircraft Spruce or somewhere like that. A local avionics shop also might have some ideas.

  3. #3

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    Thanks! I'd like to see those pictures.

  4. #4

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    Here is one example. This is a toggle microswitch you push forward with your thumb.

    There was a thread on here that had some really good PTT examples, but I can't find it. Maybe Steve P can find it when he gets back from his Alaska adventure.
    Attached Images Attached Images

  5. #5

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    Very nice Frogdad! Thanks for the pictures!

  6. #6
    pa20's Avatar
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    I have one mounted on the pilots yoke. I am heading to the hangar now, and will take a photo for you. I think you will like it!
    Mark Ohlau
    PA-20 N7744K 2021 Donation Paid

  7. #7
    pa20's Avatar
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    When the intercom system was installed, I wanted a permanent PTT switch. The caveat was I did not want to have it detract from the classic look of the yoke. Here is how we (previous owner and I) did it. We used a N/O micro switch, and a short piece of .015 stainless for the actuator. It has worked well for 9 years, and I love the fact that it is hidden.
    Attached Images Attached Images
    Last edited by pa20; 05-09-2011 at 01:28 AM.
    Mark Ohlau
    PA-20 N7744K 2021 Donation Paid

  8. #8
    Fliermike45's Avatar
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    Default Ptt

    Mark,
    Where does the PTT wiring run?

  9. #9
    pa20's Avatar
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    Quote Originally Posted by Fliermike45 View Post
    Mark,
    Where does the PTT wiring run?
    Through the center of the tube, and out through an existing hole close to the u-joint. I can get a photo of that too if needed. I can say unequivocally that we drilled no holes in the tube.
    Mark Ohlau
    PA-20 N7744K 2021 Donation Paid

  10. #10
    Treetop_Flyer's Avatar
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    Here's a shot of the front of our yoke with the switch in place. Ours is a little different from Mark's as the wiring comes out of the panel in a coil as you can see in the second picture. I'd prefer to have it running down the yoke tube, but this is what the previous owner had done and it works.

    I suspect our switches are something like this or this

    PTT_Yoke.jpgN6929D 006.jpg

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