RT-395A transponder

My 28V transponder is being very slow to warm up lately and I can get a good
deal on another RT-395A but the guys says it is 14V. What would it take to
make this one work on my system. Thanks
Steve

Steve wrote:
: My 28V transponder is being very slow to warm up lately and I can get a good
: deal on another RT-395A but the guys says it is 14V. What would it take to
: make this one work on my system. Thanks
: Steve

Your RT-395A transponder might be a 14V unit with a dropping resistor inline,
in the airplane's wiring to the transponder (don't laugh! They actually did
this!). You might want to remove it from your dashboard and see if it has
a voltage rating listed on it. Otherwise, call Airwich Avionics, they know
Cessna radios.

--
Aaron Coolidge (N9376J)

On Tue, 12 Aug 2003 22:46:00 GMT, "Steve" wrote:

My 28V transponder is being very slow to warm up lately and I can get a good
deal on another RT-395A but the guys says it is 14V. What would it take to
make this one work on my system. Thanks
Steve

There is only one transponder which works on 14V. In 28V
installations, a big dropping resistor is mounted on the rear of the
tray. If you are doing a slide-in replacement, no wiring changes
should be necessary.

MikeM