Following the latest trend in wet subs ('chariots') the Swedish 'Torpedo SEAL' is designed to fit into a regular 533mm torpedo tube to allow easy deployment from minimally modified submarines. Two Torpedo SEALs can be carried in a single torpedo tube. The type has enjoyed significant early sales and is promoted by British firm James Fisher Defence (JFD) as part of the SEALPod range together with the SEALCarrier submersible RIB and SubSEAL SDV. In the export market its main competitors are the American Stidd DPD and German Rotinor BlackShadow730.
The original Swedish prototype, designed by Defense Consulting International AB (DCE), was a very compact 1 or 2 man craft with pop-up watershield and partial canopy for the occupant who crouched prone inside the torpedo-like fuselage. A telescopic 2-man version was essentially similar but with the second person laying prone behind the thrusters, also partially protected by a fuselage. The 1-man version had a length of 2.5m and the 2-man version 3.4m.
(Above) Note the casing for the second diver in the cockpit space. This extends out of the stern.
An early design with a single propulsor
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After DCE was acquired by British submarine manufacturer James Fisher Defence (JFD), the TorpedoSEAL received a revamp with a new open-topped fuselage and comms mast. Overall the concept remains the same but the craft has been matured and refined. The thrusters were also modified and now have two rather than three blades.
Length: 5.1m extended, 3.4m stowed
Beam: 0.78m extended, 0.52m stowed
Height: 0.78m extended, 0.52m stowed
Weight: 120kg incl. batteries
Speed: 4kt max, 3kt cruising
Endurance: 10nm + at crising speed
Depth: 1-14m operational
Crew: 2 (1 min)
Thrusters: 2 x 350W
Onboard air: none
Image from: moderncarbine.com
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