HSwMS Sigurd
Sigurd was one of three s built for the Royal Swedish Navy during the first decade of the 20th century. Completed in 1909, she conducted neutrality patrols during both world wars.
Design and description
The Ragnar-class destroyer was an improved version of the preceding. The ships normally displaced and at full load. They measured long overall with a beam of, and a draft of. The Ragnars were propelled by two 4-cylinder vertical triple-expansion steam enginess, each driving one three-bladed propeller using steam from four Yarrow boilers. The engines were designed to produce a total of for an intended maximum speed of. The ships carried enough coal to give them a range of at. The ships' crew numbered 69.The Ragnars dispensed with Wales M89/B guns in exchange for two additional M/05 guns. One gun each was located at the forecastle and stern; the other two guns were positioned on the main deck amidships, one gun on each broadside. The ships were equipped with two torpedo tubes in rotating mounts located between the rear funnel and the stern gun. Two M/10 machine guns were added to the ships in 1911–1912 and the single torpedo tubes were replaced by twin-tube mounts in 1916–1917.