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Corehead

Material

  • shell and inserts: 304/316l stainless steel
  • fill: 3% antimonial lead

Specifications

  • length:80”
  • diameter:36”
  • cylindrical add weights:
    • small = 5.5” dia. x 60” long
    • large = 10.75” dia. x 60” long
  • total head weight: variable in 500 and 2000 pound increments.
    • minumim wt. = 3,400 pounds
    • maximum wt. = 27,500 pounds
Corehead under construction at WHOI. Tubular inner assembly comprised of variable weight compartments is shown being lowered into main shell.

Corehead under construction at WHOI

Tubular inner assembly comprised of variable weight compartments is shown being lowered into main shell.

Heads in their cradles alongside R/V Knorr. Insert weights can be seen to the left of the coreheads.

Heads in their cradles alongside R/V Knorr

Insert weights can be seen to the left of the coreheads.

Corehead being loaded into its handling grapple at WHOI?s Iselin Marine facility.

Corehead being loaded into its handling grapple

at WHOI’s Iselin Marine facility.