bbot1967

Can't figure where this idea is coming from that ultrasound won't go through aluminum. It is solid, no gaps, so should work right...

Had a friend do something similar and was just using his old ice fishing rig. Wouldn't handle much motion, slow troll at best. He...

Definitely need more battery for 14.5v charging, you'll burn it out quick. If you don't want big money into it, I use the battery from...

A solar panel should be enough to keep a small battery like that topped up.

That is a small battery. Better to just get a second battery to swap in or larger capacity that will keep your FF/GPS going all day...