The model build time is generally 16 weeks from receipt of the order and deposit. [10] Typically, Babcock & Wilcox boilers and General Electric geared steam turbines were equipped, although other designs and manufacturers were probably used to maximize the rate of production. The four DDRs converted to DDs were armed with two new 21-inch torpedo tubes for the Mk. This alteration was not a success and was not repeated. who supplied us with this set of plans from the 1968 Charleston Navy Yard
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