Semi-Submerged Yachts were ships that went partially under water. It was a revolution of an age-old design dating back to the Civil War.


Semi-submerged vessels were nothing new. The USS Monitor fought in the Battle of Hampton Roads. It later fought in the Battle of Drewry's Bluff before it sunk at the end of 1862. The wreck was rediscovered in 1973. By then, semi-submerged vessels were carrying oil rigs to where they were needed. Semi-submerged vessels in purely utilitarian roles. The semi-submerged yachts changed that forever.


Tech Level: 10

The first semi-submerged yacht was Trilobis 65. Trilobis 65 was 20 meters long, 13 meters wide, and looked like a teardrop. The yacht held six people at sea for a maximum speed of 7 knots. It was powered by fuel cells, solar panels, and diesel engines. The ship had a 360 degree view with its submerged observation bay. The hull was made of carbon fiber composites. The ship was expensive and so was the frequent maintenance. A special drydock was built for Trilobis 65. The design was a success. It led to the sea orbiter.

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