The fab shop here on Lake Travis sees stuff like that all the time. Look at the thickness of the floor it was welded to and it becomes pretty easy to understand.
2015 Seaark 1872 MV CC Etec-90
Two Helix 12 CHIRP SI's, , MinnKota Riptide ST80/i-pilot Link, Bob's Hydraulic
2018 Robalo R180 CC, Yamaha 115
Bitter Gun Owner