Since First World War the Italian Regia Marina ended up being deserved great concentrate on the development of tiny and quick vessels generally armed with torpedoes. The moto torpedo ships, more called MAS, were civilian vessels variants. The Outcomes accomplished during 1st World War was at fact remarkable utilizing the sankment, regarding Commandant Luigi Rizzo, of Austro-Hungarian Aquatic battleships Wien and Szent István. Neither less were dramatically better for limited seas and shallow water just like the Adriatic water, the Italian aquatic proceeded working to raise 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 effective and reliable, had been certainly implemented both as moto torpedoes and anti submarine platforms for level costs dropping. Capable of reaching a top price of 40 knots and armed with two 450mm torpedoes.
