interesante discussione
trovato questo, non so quanto attendibile ma vedo che in genere concordano, cioe o sono giusti o tuti hanno preso dalla stessa (sbagliata) fonte :
HMS Victory; Lord Nelson's Flagship HMS Victory: Victory's history and restoration in Portsmouth UK.
"
The thickness of the hull at the waterline on the Victory is approximately 2 feet (0.6m) thick"
HMS Victory, A Daughter of Kent - HRGS - Historical Research Group of Sittingbourne
Her keel, the long beam running along the entire length of the ships hull, made of oak and elm, measures 152 ft 3 ins long and 20 ins square with a false elm keel 4 ins thick. The main hull is built of English oak and with outer and inner skins is over 2 ft thick."