On this day in 1930 the launching of the submarine E-1 was held at the Shipyard # Cadiz, at that time called "Echevarrieta and Larrinaga".
The E-1 (Echevarrieta-1) started a project based on a German model submersible 1918. The project, which failed to be built then was offered in 1926 by several members of the German Navy to Horacio Echevarrieta Owner Larrinaga Echevarrieta and the Cadiz shipyards, with the intention of then offer it to the Spanish Armada.
This ship was a real precursor of future U-booten of World War II. The submarine had 968 t. Immersion six torpedo tubes, four bow and two aft, and was powered by two diesel engines MAN 1400 cv. Additional electrical.
The vessel was assessed by the Spanish Armada, being rejected after testing. Back then, with the advent of the Republic, it was decided to opt for the English submarine technology. In 1933 he tried to sell to France, Poland and Yugoslavia and again the government of the Spanish Republic without success.
Finally, in late 1934, representatives negotiated with Turkey Echevarrieta a sale which closed for nearly nine million pesetas.
In the port of Valencia on December 27, 1934 was the flag bearer of the crescent, while receiving the name "Gür". In July 1935 he sailed from Valencia headed for Istanbul, where he was in service until 1947.