German submarine V-80
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The V-80 was a experimental submarine. The prototype was completed in 1940 in Friedrich Krupp Germaniawerft in Kiel. The vessel was designed to test the Walter hydrogen peroxide-based turbine propulsi
Prototype German V-80 midget submarine at sea
V-80 schematic
Ictíneo II
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Ictíneo II was a pioneering 19th century submarine. It was launched in the Port of Barcelona on October 2, 1864 by the self-taught Spanish engineer Narcis Monturiol. It was the first air independent a
German submarine V-80
…turbine propulsion system. The only earlier attempt to use a chemical reaction based air-independent propulsion system was in the Spanish submarine the Ictineo II. This midget submarine led to the design of the German Type XVII submarine…
Ictíneo II replica at the harbour of Barcelona
Detail of Ictíneo II replica in Barcelona harbour.