battery charger to get through Piper power port?

Kyler Laird writes:


3.. Best solution! Have your mechanic change the Positive lead from
the Piper plug so that it goes around the solenoid and directly to the
battery... This is how I have Fat Albert The Apache wired (and every
airplane I have ever owned) for charging and jump starting...

You had no problem with that?! Cool! I wanted this anyway because I'd
like to make a 12VDC tug and the power port is sitting right there just
begging to be used. (Having my tug not start recently makes this even
more enticing.)



I'm an EE, not an A&P, but your plan really scares me.

The external power jack is unfused so you can jump-start from it.
That's why the solenoid has that scheme to keep a "dead face" aka
no power on the exposed pin.

I don't suggest this lightly, knowing the BS and $$, but have you
considered adding a 2nd jack, smaller in size? That COULD be fused
at say 60A, and always live. That could accommodate both a charger,
or your power-tug, with no risk to your aluminum friend...or you
while in it.


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