Four deck cranes are aboard; the largest pair can
Maximum ice thickness that can be penetrated
lift 16 tonnes each.
while navigating is estimated as 5 m; indi-
Sea water distillation: two vacuum stills can sup-
vidual ridges estimated at 9 m thick have been
ply 5 m3 of fresh water an hour each (240 m3/
broken through.
Helm controls one rudder, which turns 35 either
day).
Differential ballast tanks are suitable fore and aft,
way, operated by four hydraulic cylinders
and athwart the ship; the pumps are capable
powered by one of two pumps. It is protected
of moving 1 m3 of water a second.
by an ice-horn for moving astern.
Ship has 1280 compartments (cabins, storage ar-
Steering may also be provided by directing air jets
eas, machine rooms, etc.).
of the bubbling system (comparable to use of
Sufficient provisions and supplies can be carried
bow-thrusters).
to operate for 7 months.
Auxiliary power is available from three diesel gen-
erating sets: 1 MW (1) and 250 kW (2).
Safety equipment includes: 1 launch, 2 fully en-
closed lifeboats, and 18 inflatable life rafts.
Anchors: two 7-tonne anchors with 300 m of chain
each, and four ice anchors.
34
Previous Page
