An improved
type 7P –design. With a length of 80 feet and as displacement 135 (light)-165
(submerged) tons.
Design
average achievements of the design on official trials.
In the
so-called light condition was the maximum speed 9,5 knots, endurance 60 hours
and the range 570 nautical miles. With the cruising speed of 7 knots was the
endurance 120 hours and the range 840 nautical miles.
In the
so-called intermediate condition was the maximum speed 8,5 knots, endurance 60
hours and the range 510 nautical miles. Cruising speed comparable with light
condition.
In the
so-called submerged condition carrying the periscope was the speed 7,5 knots,
the endurance 3,5 hours and the range 26 nautical miles, at 6 knots
respectively 9 hours and 54 nautical miles and with 4,5 knots 30 hours
respectively 135 nautical miles/
Armament
consisted of 2 torpedo tubes and she carried 4 torpedoes with her. The torpedoes
were loaded in the submarine already assembled although still always accessible
for maintenance or adjustment. Reloading while submerged and using al 4 torpedoes was to be realized within 4-5
minutes.
Source
Archive Kon. Mij. De Schelde 1875-1960 (Municipality Archive
Vlissingen) T 214.802.
