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New Croatian midget sub - Drakon 220Sat 13 June 2015
By H I Sutton
Drakon 220 is a new midget submarine developed by Adria-Mar in Croatia. It is 50% longer and twice as heavy as the R-3E (aka Una class) which allows it to carry two torpedo tubes under the casing and accommodate a diesel-electric powerplant for a ten-fold increase in range. It retains the characteristic X-form control surfaces but has a new distinctive vertical bow to house the larger sonar and torpedo tubes, plus a fixed sail with integral diesel exhaust. Special forces optimisation remains per the R-3E.
Specifications Length: | 30.27 meters |
Beam: | 3.6 meter |
Displacement: | 220 tons surfaced, 255tns submerged |
Speed: | Maximum 10.2 kts, minimum 2kts with rudders functioning |
Operating depth: | 150m |
Endurance (without surfacing): | 280nm at cruising speed of 3kts, 31nm at 10.2kts (with 20% battery reserve). 3000nm patrol or up to 14 days |
Armament: | 2 x 533mm (21") torpedo tubes |
SDVs: | 4 x Diver Propulsion Devices (e.g. R-1 scooters) carried externally under casing |
Crew: | 9 |
Special Forces: | 4 |
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