Japan's Super Sub I-400

[HRK]

The I-400 was a submarine the likes of which the world had never seen before. At the time of their completion, the I-400 and her sister ships were the largest, and arguably the most advanced submarines in the world. With a 122m length, 12m width, and 6,560 ton displacement, their size rivalled that of destroyers of the time and their amazing endurance could allow them to traverse the globe one and a half times. The I-400 submarine was commissioned in 1944

●Displacement: 6,560 tons
●Length: 122m
●Width: 12m
●Top Speed: (Surfaced) 18.7 knots (Submerged) 6.5 knots
●Armament: 53cm torpedo tube (x8), 14cm gun (x1), triple 25mm gun mount (x3), single 25mm gun mount (x1)
●Aircraft: Seiran attack plane (x3)
●Propulsion: 4 diesel engines l,680KW (2,250 hp) each,
● Two electric motor : 1600KW (2,100 hp)
●Test Depth 100m or 330 ft
●Armament

Three triple-mount 25mm AA guns

Conning tower bristles with antenna and snorkel details, as well as the single 25mm gun mount.

8 torpedo tubes and the diving planes,

3 Seiran aircraft with wings folded stored inside the hangar.



Links: I-400 Class Submarine (A Submarine aircraft carrier) - Battleship Era - World of Warships official forum

the Transpacific Voyage of the I-400

I-400-class submarine - Wikipedia, the free encyclopedia

IJN I-400 (STo / Sen-Toku)*Submarine Aircraft Carrier - History, Specs and Pictures - Navy Ships


Patrick Ong Tiong Han's Egocentrist Blog: Submarine Aircraft Carrier and 90 degree rotated Folded Wings.

 

[HRK]

Members of the US Navy inspecting the plane hangar of I 400.

Officers of I-400 in front of the plane hangar, photographed by the US Navy following the surrender of the submarine at sea, one week after the end of hostilities.

 

[Umair Nawaz]

Wow wonderful.

Still they surrendered.