British Armstrong design No. 702 battleship for Portugal dated 12 April 1911

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Displacement 19,750 tons and as dimensions 510 (between perpendiculars)-547 (over all) x 83 x 24.5 feet. Bunker capacity 700-2,000 ton coal and 800 ton oil, speed 21 knots. Armament 5x2-12” cal 45 guns, 20x1-4.7” 50 cal guns, 4-3” 50 cal guns and 2-21” torpedo tubes submerged.

Sources

Brasseys Naval Annual 1912 and 1913.

Breyer, Siegfried. Schlachtschiffe und Schlachtkreuzer 1905-1970.

Brook, Peter, “Armstrongs Unbuilt Warships”, Warship 1997-1998.

Brook, Peter. Warships for Export: Armstrong Warships 1867-1927. 

Friedman, Norman. The British Battleship 1906-1946.

Warshipsresearch.blogspot.com

Brook, Peter. Warships for Export: Armstrong Warships 1867-1927.