* 28% on [[Knarr]]
* 15% on [[Caravel]]
At 60 [[Ship_building|Ship Building]], with keel sections improved to 42[[QL]], you will have:
* 90% on [[Rowing boat|Small Rowing Boat]]
* 79% on [[Small Sailing Boat]]
* 66% on [[Corbita]]
* 51% on [[Cog]]
* 35% on [[Knarr]]
* 21% on [[Caravel]]
At 60 [[Ship_building|Ship Building]], with keel sections improved to 60[[QL]], you will have:
* 95% on [[Rowing boat|Small Rowing Boat]]
* 88% on [[Small Sailing Boat]]
* 78% on [[Corbita]]
* 65% on [[Cog]]
* 50% on [[Knarr]]
* 33% on [[Caravel]]