The next generation – U2502, a Type XXI with a smaller Type XXIII alongside. They would have been a formidable threat but unreliability delayed their entry into service.
German efforts to bring fast submarines into the Battle of the Atlantic. None of these newer boats was operational in the battle but it is worth considering what might have happened. The development is a fine example of the adage, ‘Requirements pull, technology pushes.’
The initial push came from Professor Hellmuth Walter, who, from about 1933, put forward a number of proposals for fast submarines using very concentrated hydrogen peroxide as the oxidant for the burning of fuel oil while submerged. This combination could be used either in a diesel engine, recycling the exhaust gases, or in a turbine. Walter wanted peroxide with a concentration of 80 per cent, when the strongest solution available was 45 per cent. This problem was overcome…
View original post 1,111 more words
Utopia, you are standing in it! 
Recent Comments