 All six ships varied slightly in their dimensions . The ships were 80 to 83 @.@ 2 meters ( 262 to 273 ft ) long at the waterline and 88 @.@ 25 m ( 289 @.@ 5 ft ) long overall . They had a beam of 12 @.@ 03 to 12 @.@ 72 m ( 39 @.@ 5 to 41 @.@ 7 ft ) and a draft of 4 @.@ 67 to 5 @.@ 35 m ( 15 @.@ 3 to 17 @.@ 6 ft ) . The ships displaced 2 @,@ 245 to 2 @,@ 689 metric tons ( 2 @,@ 210 to 2 @,@ 647 long tons ; 2 @,@ 475 to 2 @,@ 964 short tons ) normally and 2 @,@ 411 to 3 @,@ 110 t ( 2 @,@ 373 to 3 @,@ 061 long tons ; 2 @,@ 658 to 3 @,@ 428 short tons ) at full load . The ships were originally designed with a fore and aft sailing rig , though this was quickly removed . Instead , they were fitted with two pole masts equipped with spotting tops . They had a crew of between 213 @-@ 78 . 
