Welcome on board of the BS700
Touristic submarine


Eight times per day, the pilot of the submarine of tourism BS700 take
along six passengers for one hour an underwater walk down to 50 meters

After a short transit towards the site of diving,
you embark directly on the deck of the bs700.
BS700-2.jpg (26265 octets)
Welcomed by an experienced pilot, you go down finally in the cabin
Install comfortably in the cabin air-conditioned with the atmospheric pressure
and the purified and controlled atmosphere.

During all the diving, your pilot remains in connection with a controller
on the surface thanks to an Ultra sonic telephone.

Oxygen reserves, a carbon dioxide adsorbor, water and food allow a 72 hours Survival.

The cabin is made of steel and Plexiglass. The thickness of steel is 13 mm and that of the windows of 80mm. This cabin resists an equivalent pressure of 250Meters.
The submarine is classified by Véritas Bureau and is certified by the Commercial Navy for the transport of passengers.
A submarine of this type navigated since 1992.

The descent is carried out while filling of the ballasts located under the deck then by precisely regulating the weight of the Submarine with tank named Trim tank. The blowing of the ballasts and the Trim tank is made with compressed air.
A steel ballast can be released in case of emergency

Batteries out of tight box feed screw propeller of 5500W via variable speed regulator (. Two horizontal engines ensures the direction and advances. Two vertical engines are used for the descent .

Technical data
L*l*h=6.4m*3.4m*4.2m
draught =2.6m
Ř hatch = 800mm
Height of the hatch above waterline = 800mm
total weight = 12000 Kg
weight of ballast = 1300 Kg (of which 400 kg releasable )
Weight crew and hardware = 600 Kg
Speed in diving = 4m/s
Speed of towing = 5 knots