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3A Class, Japanese Cargo Ships


Specifications:


Tonnage 7200 gross register tons
10,230 deadweight tons
Dimensions 449'0" by 59'8" by 36'5"
136.86m by 18.19m by 11.1m
Maximum speed       15.5 knots
Machinery
1-shaft turbine
Range 4000 nautical miles (6400 km) at 12 knots


The 3As were standardized cargo vessels. They were designed for mass production rather than commercial economy, like the American Liberty Ships. However, they were a bit sturdier and faster than the 2As, which made them a bit less vulnerable to submarines.

Only one of these ships was launched in 1945 before the surrender. The Tobata Maru, which was completed on 15 May 1945, survived the war.


References:

Jentschura, Jung, and Mickel (1977)


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