PTT switch for 172N

[Henning DE]

Hello Cessna owners !

I want to add PTT-Switches to the controls of a 1977 172N.
Since the control horns are not hollow i don`t know how.

Any suggestions ?

Henning Dammann-Emden
Bremen/Germany

[WallyX]

There are PTT switches available that attach to the controls with velcro.
The wiring runs externally.

"Henning DE" > wrote in message
...
> Hello Cessna owners !
>
> I want to add PTT-Switches to the controls of a 1977 172N.
> Since the control horns are not hollow i don`t know how.
>
> Any suggestions ?
>
> Henning Dammann-Emden
> Bremen/Germany
>
>

[Stealth Pilot]

On Sat, 15 Jan 2005 20:08:04 +0100, "Henning DE" >
wrote:

>Hello Cessna owners !
>
>I want to add PTT-Switches to the controls of a 1977 172N.
>Since the control horns are not hollow i don`t know how.
>
>Any suggestions ?
>
>Henning Dammann-Emden
>Bremen/Germany
>
my friend's cessna 150A has the same problem.
I made up aluminuim clamp blocks that mount on the control tube hard
up against the front of the yolk. the side of the clamp block has a
recess that the switch is mounted in. switch sits up just proud of the
clamp block. press your finger down on the top of it to talk.
cable is a curly tail down to the panel under the control mount.
it doesnt limit the control movement.
has been in use about 4 years now without mishap.
friend and his LAME love it.

Stealth Pilot

[Al Colunio]

My old flying club in NY purchased four rubber (plastic) covers with a PTT
built in. They slide over the horns of the control wheel and have a curly
wire into the instrument panel. They worked great and have been in use for
four years. I don't know where they were purchased.
"Stealth Pilot" > wrote in message
...
> On Sat, 15 Jan 2005 20:08:04 +0100, "Henning DE" >
> wrote:
>
>>Hello Cessna owners !
>>
>>I want to add PTT-Switches to the controls of a 1977 172N.
>>Since the control horns are not hollow i don`t know how.
>>
>>Any suggestions ?
>>
>>Henning Dammann-Emden
>>Bremen/Germany
>>
> my friend's cessna 150A has the same problem.
> I made up aluminuim clamp blocks that mount on the control tube hard
> up against the front of the yolk. the side of the clamp block has a
> recess that the switch is mounted in. switch sits up just proud of the
> clamp block. press your finger down on the top of it to talk.
> cable is a curly tail down to the panel under the control mount.
> it doesnt limit the control movement.
> has been in use about 4 years now without mishap.
> friend and his LAME love it.
>
> Stealth Pilot

[[email protected]]

I used C150 horns for my homebuilt and with long drill bits bored holes
through for both the PTT and AutoPilot.
See http://www.abri.com/sq2000/finish08.jpg and
http://www.abri.com/sq2000/instrument09.jpg

Henning DE wrote:
> Hello Cessna owners !
>
> I want to add PTT-Switches to the controls of a 1977 172N.
> Since the control horns are not hollow i don`t know how.
>
> Any suggestions ?
>
> Henning Dammann-Emden
> Bremen/Germany

[roberth]

I drilled some very small holes in the backside of the control yoke and
gently tapped them to accept a small screw. Attached a piece of
aluminum with a SPST NO push button switch from a local electronics
store. A curly cord attached to the yoke with a cable tie and thru the
inst panel with a strain relief. Seems to work well and my mechanic
had no problem with it. Only regret is that I didn't buy a high
quality switch and may have to change it. I didn't invent this whole
idea, I stole it from the folks on the group. You know who you are
-- Thanks

roberth