Torpedo

Abstract

A torpedo comprises an outer cylindrical casing, an inner narrowing casing forming a passage and having an inlet and an outlet coinciding with the outer casing, a rocket engine having an annular exhaust nozzle directed into the rear portion of the passage, perforations in the inner and the outer casings and canals communicating the nozzle with the spaces adjoining perforations.

What is claimed is:  
     
         1 . A torpedo, comprising a substantially cylindrical outer casing, an inner casing forming a passage and having an inlet and an outlet substantially coinciding with said outer casing, and a narrowing, and at least one rocket engine having an exhaust nozzle directed into the rear portion of said passage.  
     
     
         2 . A torpedo as defined in  claim 1 , in which said rocket engine and said nozzle are annular.  
     
     
         3 . A torpedo as defined in  claim 1 , and farther comprising a means for reducing the friction resistance.  
     
     
         4 . A torpedo as defined in  claim 3 , in which said means consists of perforation provided at least in said narrowing, a space adjoining said perforation and a canal communicating said nozzle with said space.