Since First World War the Italian Regia Marina ended up being deserved great concentrate on the growth of tiny and quick vessels generally armed with torpedoes. The moto torpedo ships, more called MAS, were civilian vessels variants. The Outcomes accomplished during Very First World War was in fact remarkable using the sankment, regarding Commandant Luigi Rizzo, of Austro-Hungarian Aquatic battleships Wien and Szent István. Neither less were considerably better for restricted seas and shallow water similar to the Adriatic water, the Italian Marine proceeded working to increase the performance of this little but fast moto torpedoes. The MAS 500, prepared gas machines Isotta-Fraschini, develop during Second World War and much more powerful and reliable, was indeed implemented both as moto torpedoes and anti submarine platforms for level charges dropping. Capable of reaching a top price of 40 knots and armed with two 450mm torpedoes.
