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voor de liefhebbers van submarines :)

Russian Imperial Navy Submarine A-5
model card

Akula (Russian: ????? - Shark) was a submarine built for the Imperial Russian Navy. The boat was designed by Ivan Bubnov and was an amalgam of the previous Minoga and the Kasatka class submarine designs. The design was presented to the Marine technical committee in late 1905. Initially the boat was to use petrol engines but these were replaced by safer diesels. The boats design was a single hull/ saddle tank type with a diving depth of 25 fathoms (45 m). Significant initial problems were experienced and the electric motor and propellers which needed to be replaced. Akula was the first Russian submarine able to cruise long distances. In 1912 Akula made the world's first multi-torpedo volley with five torpedoes.

She subsequently served in the Baltic Fleet during World War I making 16 patrols and unsuccessfully attacked the German battleship SMS Beowulf. She struck a mine and sank near Windau in November 1915 on her 17th patrol.

Thanks to Sonar :)