Semi-submersible

From Seasteading

From wikipedia

"These platforms have legs of sufficient buoyancy to cause the structure to float, but of weight sufficient to keep the structure upright. Semi-submersible rigs can be moved from place to place; can be ballasted up or down by altering the amount of flooding in buoyancy tanks; they are generally anchored by with chain, wire rope and/or polyester rope during drilling operations, though they can also be kept in place by the use of dynamic positioning. Semi-submersibles can be used in water depths from 200 to 10,000 feet (60 to 3,050 m)."

Structure Designs
Structure requirements · PintStead · Spar · Semi-submersible · Boats · Materials · Stability · Propulsion · Collaborative Design · Space Frame · Thin Shell Ferrocement · Pneumatically Stabilized Platforms · Low Cost Seastead · Low Cost Wave Tank · Scale models