IJN Mini submarine
KORYU Target A Type-D
As seen in 1945
Pit Road no.W45
Scale 1:700 Water Line Series
Click on the pictures to enlarge.
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KORYU TAGET A Type-D
These were a further improvement of the midget submarine design, featuring a 100-kilowatt diesel generator resulting in a greater operating range, with a full battery self-charge possible in eight hours, or less than one-half the time required in the Type C midget. Submerged endurance was 40 minutes at 16 knots and 50 hours at 2.5 knots. Also, the crew was increased to five men.
The shortage of 18-inch torpedoes at the end of the war led some of these craft being fitted with an explosive charge for use as a kaiten suicide submarine. Some Type D midgets were provided a taller conning tower and two periscopes for use in the training of kaiten pilots.
A total of 540 of this type were planned to be in service by September 1945, with a maximum production rate of 180 units per month through mass-production techniques. The HA-77 (Prototype) was laid down in June 1944 and completed in January 1945.
Technical specification:
| Displacement | 60.3 tons submerged |
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| Length | 26.2m |
| Width | 2.0m |
| Draught | 2.8m |
| Machinery | 1-shaft diesel and electric motor, 150bhp surface, 500 shp submerged |
| Speed | 8.0kt surface, 16.0kt submerged |
| Armament | 2-45cm TT |
| Complement | 5 |
Reference:
Books
form my own library :
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Japanese Naval Warship Photo Album Submarines and depot ships
from Diamond Sha books. (Pictures) |
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Submarines of the
Imperial Japanese Navy 1904-1945 from
Conway Maritime press (Pictures and history) |
The building time was a matter of hours
Mar.
2009
If you have any questions, remarks or things you will share, please don't hesitate to contact me.
Aeronautic.
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You can purchase IJN type KORYU (RO-35) at Wohld Modellbau. Please click at the logo above. They speak English too ! |
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