Thursday, 25 May 2017

In the USA submarine tested with screws fixed at the front side according to the Dutch magazine Marineblad dated 1913-1914 no. 6

An item reported that at Long Beach, USA a submarine with the dimensions 23 x 2,3 metres was tested with the screws fixed at the front side. Fitted out with 2-120hp gasoline engines also for the submerged propulsion and for which gas cylinders were available containing 1.000 cubic metres air. A submerged speed of 17-18 miles was claimed.