An underwater watercraft including a passenger compartment (20) and an ingress / egress port (50) in which the watercraft has buoyancy and center of gravity adjusted to maintain a generally level or other desired attitude when submerged, and an angled attitude at a water surface for ingress / egress. The attitude also is adjustable via the placement of ballast and optionally including a movable ballast that adjusts the location of the center of gravity as desired. The ingress-egress port optionally includes an entry elevated from a main passenger compartment, that has an angled orientation in a submerged mode, and an optional orientation generally parallel to the water surface in a surface mode.
UNDERWATER WATERCRAFT
UNTERWASSERWASSERFAHRZEUG
ENGIN NAUTIQUE
2025-03-26
Patent
Electronic Resource
English
IPC: | B63G OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS , Angriffs- oder Verteidigungsanordnungen auf Schiffen |