The engines produced a total of 1,750 shaft horsepower (1,300 kW) and gave a maximum speed of 16.5 knots (30.6 km/h; 19.0 mph).
Speedy carried a maximum of 252 long tons (256 t) of fuel oil that gave her a range of 6,000 nautical miles (11,000 km; 6,900 mi) at 10 knots (19 km/h; 12 mph).
[4] Speedy was built by William Hamilton & Co. at Port Glasgow, Scotland and completed at J. S. White & Co. at Cowes, Isle of Wight.
HMS Speedy saw service in the Mediterranean Sea based at Malta as part of 14th/17th Minesweeper Flotilla.
The ship was badly damaged but remained afloat and was towed to harbour for repairs.