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voor de liefhebbers van WO1 en modelbouwers van duikboten :)

UB1-8 Germaniawerft 1915
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Construction of UB-1 was started on 1 November 1914 at Germaniawerft in Kiel. After her assembly was complete UB-1 was launched on 22 January 1915.

After extended negotiations between Austro-Hungary and Germany, in March 1915 it was decided for Germany to supply five submarines of the UB I type. This model was familiar to the Austro-Hungary Navy since the Imperial German Navy had reassembled UB3, UB 8, and UB 9 at the Pola factory. The first boat was bought on April 4, 1915, a "sample" UB 1 boat.This submarine was shipped by rail in sections to Pola, where the sections were riveted together.[1] Though there is no record of how long it took for UB-1's parts to be assembled, a sister boat, UB-3, shipped from Germany in mid-April 1915, was assembled in about two weeks.

Operational history
SM UB-1 was commissioned into the German Imperial Navy under the command of Oberleutnant zur See Franz Wäger on 29 January. An Austro-Hungarian Navy officer was assigned to the boat for piloting and training purposes. On 26 June 1915, UB-1 sank an Italian torpedo boat Torpediniere 5 Pn in the Gulf of Venice.

On 4 June 1915, after being disassembled into three sections and transported by rail to Pola for reassembling,[6] UB-1 was handed over to the Austro-Hungarian Navy and commissioned as U-10 under the command of Linienschiffsleutnant Karl Edler von Unczowski.

British submarine H4 had an encounter with U-10 on 11 May 1917. While cruising off Pola, H4 came across U-10 and fired a spread of two torpedoes at the submarine. The torpedoes were aimed to be 5° apart at a distance of 365 metres (400 yd) which was apparently too wide, because the captain of H4 observed the torpedoes miss just ahead and just astern of U-10.

On 9 July 1918, U-10 hit an Italian mine near Caorle in the northern Adriatic Sea at position 45°30'N 13°00'E? / ?45.5°N 13°E? / 45.5; 13,[9] and was beached with heavy damage. Although she was looted by Austro-Hungarian Army troops, she was later towed to Trieste for repairs, which remained unfinished at war's end; all of the 13 crew personnel were saved. U-10 was handed over to Italy as a war reparation and scrapped at Pola by 1920. U-10 sank no ships in her Austro-Hungarian service.

Thanks to u-boat laboratorium & Fairwater :)