German navy improving torpedo boats according to the Dutch magazine Marineblad dated 1905-1906 no. 10

An item referred to the magazine Le Yacht reporting that the displacement of the new German torpedo boats just like the G137 was to be increased from 420 to 570 tons. The speed was to be 30 miles with a light armour to protect the machinery. The armament was to consist of 2-8,8cm guns and 4-5cm guns. In contrary to their predecessors was their range considerable increased.