
Drawing of a submarine without any stated characteristics data. S-584-195: Undated Design Plan for "U.Submarine V-4 (SF-7, later SM-1) was built to a later version of this design. Drawing from Preliminary Design Book No.309 of a 2,780 ton submarine with a main battery of two 6-inch guns and a maximum surface speed of 15 knots. S-584-191: Preliminary Design Plan for a "Mine Laying Submarine" - February 20, 1924.Two proposed designs for the V-4 (renamed Argonaut in 1931): Drawing of a 13,500 ton submarine with a main battery of eight 8-inch guns and a maximum surface speed of 15.5 knots.

Drawing of a 13,500 ton submarine with a main battery of four 8-inch guns and a maximum surface speed of 11.75 knots.

Drawing of a 8,750 ton submarine with a main battery of two 8-inch guns and a maximum surface speed of 18 knots. Drawing of a 10,000 ton submarine with a main battery of eight 8-inch guns and a maximum surface speed of 14 knots. Four proposed designs for a heavily-armed cruiser submarine, none of which were selected for construction: With some detail changes, the V-4 (SF-7, later SM-1) and V-5 (SF-8, later SC-1, later SS-167) classes were built to this design. Drawing of a 2,680 ton submarine with a main battery of two 6-inch guns and a maximum surface speed of 17 knots. S-584-161: Preliminary Design Plan for "Cruiser Submarine 1919" - April 9, 1920.One proposed design for the V-4 (renamed Argonaut in 1931) and V-5 (renamed Narwhal in 1931) classes:

With some detail changes, the V-1 (SF-4, later SS-163) class was built to this design. Drawing of a 1,900 ton submarine with a main battery of one 5-inch gun and a maximum surface speed of 21 knots.

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