"Richard Kaplan" writes:


3. I am convinced that the quality of the data is well worth it in a GA
cockpit, though I am concerned about the practicality of the various wires
and power connections in the cockpit. I think what I will do for myself is
to use the laptop-based version of the WxWorx system, buy a couple of A/C
inverters at Wamart with rechargable batteries, and try to put together my
own "weather datalink briefcase" which will contain my laptop computer, A/C
inverters, XMRadio receiver, and assorted wires; this should then work in
the airplane or the car (for learning purposes as I drive through
thunderstorms) or anywhere else... the ultimate "nerd bag" for a
weaher-addicted pilot. If anyone else does something like this, shared
details would be helpful.


Errr.. what exactly are you trying to run from AC?

My point being, if you have a laptop to run, you want a straight
DC-DC adapter to power it. Radios Hack sells same, (All I see now
is #273-1867, but there are others I think) as do various laptop
speciality houses. They typically come with a mating plug for your
laptop that not-so-incidently programs the output voltage.

With such, everything should run off the aircraft. You could add
a 2-4 AhH gelcell for independence, but that will build your
arm muscles..
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