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Type N3-S ships were a Maritime Commission small coastal cargo ship design to meet urgent World War II shipping needs with first of 109 N3, both steam and diesel, type hulls delivered in December of 1942. The N3-S, with "S" designating "steam," came in two versions patterned on and sometimes themselves termed Baltic Coasters. One, the N3-S-A1 was coal fired reciprocating steam powered at British request with the N3-S-A2 variant being oil fired and both types intended largely for wartime lend lease. The basic design characteristics were: *Deadweight tonnage—2,905. *Length overall—258 feet 9 inches. *Breadth—42 feet 1 inch. *Cargo capacity tons—2,243. *Crew—23. *Normal sea speed (average sea conditions)—10½ knots. *Cruising radius (nautical miles)—4,500. *Machinery—reciprocating steam. However the as built dimensions and tonnage of the two N3-S types varied somewhat from the basic design and each other.〔 The fourteen Penn-Jersey N3-M-A1 vessels had a different profile in addition to being diesel powered. == N3-S-A1 == All of the 36 N3-S-A1 vessels, delivered from December 1942 through May 1945, went to Britain and those surviving the war tended to be sold commercial with one, built as the ''Freeman Hatch'' and lastly named ''Houston'', gaining some notoriety being sunk during the failed Bay of Pigs invasion in 1961.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Type N3 ship」の詳細全文を読む スポンサード リンク
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