There is almost no real information here, not even the name of the engineer. The pictures are credited to "true north yachts", and searching for this reveals a patreon that talks a lot about sovereignty and also youtube growth hacking. There's a patreon (called truenortharchive, not sure what it's archiving) and there doesn't appear to be any substantial information about this actual boat.
All available information seems to be in this youtube video: https://www.youtube.com/watch?v=bX5EraBZ0As
There are a couple of shots of the plywood construction, but no hard information. At one point he shows the camera the power control interface, and at another he shows the outboard motor, both of which seem to be off-the-shelf at https://www.epropulsion.com/
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