I think that steel boat shown was a Colvin? Typically very flat bottom sections, relatively narrow and shoal.
If you are talking the yacht he rode in the Atlantic in 2013, pictured in post #15, that is the RV Ault, a 42' Colvin Gazell.Colin Archer 42
speaking of 42 - Matt and Nicole just posted their weekly report 42 days at sea
oceanresearchproject.org