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Specifications

Information on this page is updated as frequently as possible. However, for cruise planning purposes and specific application details, please contact the Deep Submergence Group directly. For technical questions, contact Matt Heintz (mheintz@whoi.edu); for logistical questions, contact Kevin Kavanagh (kkavanagh@whoi.edu).

Jason

Depth Capability:
  • 4,500m single body mode
  • 6,500m two-body mode
Size:
  • 3.4 m (134 in.) length, 2.4m (96 in.) height, 2.2m (88 in.) width
Weight:
  • 4,990 kg (11,000) in air (approx.)
Speed:
  • Two Body up to 1 knot, Single Body .5 knot
Descent/Ascent Rate:
  • 30 meters/minute (98.4 feet/minute)
Propulsion:
  • Six brushless DC electric thrusters, each providing 250 lbs. of thrust
Tether (Two Body mode):
  • 70 m long, 20mm (0.8 in.) diameter, neutrally buoyant
Fiberoptic Armored Umbilical:
  • ~7 km (23,000 ft.) length, in Single Body with 21.5 mm (.842 in., 70 K lb. break strength) diameter or in Two Body with 17.3 mm (.681 in., 40 K lb. break strength), containing up to nine single-mode fibers

Medea

Depth Capability:
  • 6,500 m
Size:
  • 2.3 m (90 in) long, 1.5 m (60 in) high, 1 m (40 in) wide
Weight:
  • 1,360kg (3,000 lbs.) in air (approx.)
Maximum Tow Speed:
  • 1 knot
Main Cable:
  • UNOLS standard 17.3 mm (.681 inch, 40K lb. break strength)

ROV Jason