lasten in different contemporary documents. Nick Burningham, the archaeologist working on the design of the replica, suggests that at this time the tonnage may have been estimated to the nearest 5 lasten, rather than based on actual measurements.

The conclusion was that the original Duyfken had a hull that would give fast performance and good windward ability for her time. This is based on the likelihood that there were hollow waterlines at the bow, which was relatively sharp, and the hull had significant