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Monday, July 09, 2007

The Rotterdam ship Dolphijn, calculated

The dimensions given for the Rotterdam ship in the classic 26 February 1652 list are different from those published in Vreugdenhil's list and from what is in the Staet van Oorlog te Water for the year 1654. A similar list from 7 March has the same dimensions, as they both must be based on records at the Admiralty of Rotterdam. I have based my calculations for early 1652 on those dimensions, of Maas feet of 12 inches to the foot:
Ship the Dolphijn
Commander in September 1652: Paulus van den Kerckhoff
Length (Maas feet): 110ft
Beam (Maas feet):    25-1/2ft
Hold (Maas feet):    12-1/2ft
Length (Amst feet): 120ft
Beam (Amst feet):    27ft-9in
Hold (Amst feet):    13ft-7in
Displacement:       555.6 tons
Broadside weight:   177 lbs
Armament:  4-24pdr, 16-12pdr, 8-6pdr, 2-4pdr, 2-3pdr
Length WL (English):  107ft-4in
Length WL (Amst ft):  115ft-7in
Beam outside planking (English): 27ft
Mean draft (English):  13ft-5in
Size in Lasten:       210 lasts
Jan Glete's approximation: 529.14 tons
English burden:            349.86 tons

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