
The submarines were built between 19 by four shipyards: Cammell Laird (4), Chatham Dockyard (6), Scotts Shipbuilding and Engineering Company (11) and Vickers-Armstrongs (6). They were designed as a follow-on from the Porpoise class physical dimensions were the same but stronger materials were used in hull construction and improved equipment was fitted. The Oberon class was a ship class of 27 British-designed submarines operated by five nations. For differing characteristics in non-Royal Navy Oberons, see the Regional variants section or individual submarine articles.Forward torpedo payload could be replaced with 50 × mines.2 × 21 in (533.4 mm) short stern tubes, 2 torpedoes.Type 1002 surface search and navigation radar.2 × 3,000 hp electric motors, diesel-electric.2 × 1,840 hp Admiralty Standard Range V16 diesels.General characteristics for Royal Navy submarines Scotts Shipbuilding and Engineering CompanyĨ complete, 3 partial, 1 awaiting conversion.
