Welfreighter

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Model of a Welfreighter mark III, about 1944. National Maritime Museum, London.
Class overview
Name	Welfreighter
Operators	SOE  United Kingdom
Completed	100+
General characteristics Welfreighter
Type	midget submarine
Length	37 ft (11 m)
Propulsion	Surfaced: Gardner 4LW 44 hp bus engine Submerged: 2 x 2 hp electric motors
Speed	5.5 knots (10.2 km/h) cruising speed 7 knots (13 km/h) maximum.
Range	1,000 mi (1,600 km)
Test depth	130 ft (40 m)
Crew	2

The Welfreighter was a Second World War British midget submarine developed by the Special Operations Executive (SOE) for the purpose of landing and supplying agents behind enemy lines. It only saw action once and was not particularly successful.^[1]