Click here for larger and more complete plans from the 1920 USSB ship register: Sheet 1, Data
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Notes: EFC Design 1093 (American Ship Building Co. design) was built by the EFC at the six American Ship Building (AmShip) yards under contracts (one per ship) dated 28 March 1918. The EFC contracts covered 60 Design 1093 ships there, along with a final six ships of Design 1020 at AmShip Detroit (4) and Cleveland (2), perhaps to use components already fabricated. Design 1093 (called by AmShip "Type No. 9") followed Design 1020 at the six AmShip yards. Experience with the EFC's wooden 3500 deadweight ton Ferris Design 1001 ships persuaded the EFC that they was too small for economical operation, and the same would have applied to the steel 3500 dwt Design 1020 ships. One problem was that coal took up too much of the vessel's total deadweight tonnage on long ocean voyages, including on the North Atlantic. One early Design 1020 ship, Lake Gradan, was listed with permanent coal bunkers for 2,070 miles and reserve bunkers (displacing cargo) for another 2538 miles. The search for larger capacities in wooden ships (which required structural innovations given the limitations of wood) began with Ballin's "composite" Design 1011 and continued with the 4700-dwt Daugherty type (Design 1006). For steel ships, it happened that AmShip already had a design for a ship like Design 1020 but with greater capacity. Among the 60 Welland Canal size ships built for foreign and private U.S. interests by the AmShip yards at Cleveland, Lorain, Chicago, Detroit, and Superior before they and the Buffalo yard began to build EFC Design 1020 ships were two at Detroit that differed from the rest. Most had a depth of hold of about 20 feet (either 18.2 feet registered and 20.0 feet moulded or 20.0 feet both), but in War Song and War Path (AmShip Detroit yard nos. 209 and 210) the registered depth was 26.3 feet and the moulded depth was 28.2 feet. These figures were nearly identical to the 26.1 and 28.2 feet of Design 1093. This increased depth gave the two ships a capacity of 4200 deadweight tons, also as in Design 1093, while the other early ships had around 3100 dwt capacity and the deeper Design 1020 was rated at 3500 dwt. The AmShip drawings for Detroit yard nos. 209 and 210 were dated 30 January and 20 February 1917 and were issued on 3 and 26 February 1917, long before Design 1093 was produced, but when experience revealed the need for greater capacities and a new batch of contracts was received on 28 March 1918, AmShip already had a design to work with. AmShip's drawings for Design 1093 were dated between 5 April and 20 June 1918, and all were issued for use on 22 July 1918. Design 1093 had a registered depth of 26.1 feet and a moulded depth to the upper deck of 28.2 feet, each four feet deeper than the 22.25 and 24.2 feet of Design 1020, producing an increase in the designed capacity from 3500 to 4200 tons. (Special source: Lloyd's Register Foundation, hec.lrfoundation.org.uk/archive-library/documents/) Requisitioned Precursors: War Song (Yard no. 209) was requisitioned in August 1917 but was released because she was already complete. She was captured and sunk by submarine gunfire on 15 January 1918. War Path (Yard no. 210) was requisitioned and renamed Lake Placid. She was inspected by the U.S. Navy on 12 October 1917 and was in commisison from 11 January 1918 to 18 March 1919. Two months later, on 19 May 1919, she was sunk in the Kattegat by a wayward mine. Both had the original Fredrikstad rig. Specifications: Design 1093 (S.S. Lake Gradan, EFC Hull 1584): Steel Cargo. Deadweight tons: 4200 designed, 4165 actual. Dimensions: 251' length pp x 43.5' beam mld. x 28.2' depth mld., 24.3' draft loaded. Propulsion: 1 screw, 1 triple expansion engine, 2 Scotch boilers, 1350 IHP, 9.5 kts. Configuration: 3-island, 1 deck, 2 holds, 4 hatches. |
S.S. Lake Grainger (Design 1093, EFC Hull 1586) nearly complete on 24 February 1919. She was built by the Chicago Shipbuilding Co. (American Ship Building Co.), Chicago, Ill., and was delivered to the EFC on 23 April 1919. (NHHC: NH 51210) (Click photo to enlarge) |