Spanish torpedo boat Rayo (1887) according to the magazine Mitteilungen aus dem Gebiete des Seewesens dated 1889 no. 1

Built by Thornycroft, England in 1887. Displacement 125 tons and as dimensions 44,96 x 4,42 x 1,37 medium) metres and proportion beam : length 0,098. 2 Compound steam engines with 2 water tube boilers supplying 1.626 ihp allowing a speed of 26,3 knots. With a coal bunker capacity of 20,3 tons and a coal consumption of 1 ihp each hour of 0,690 (economic speed)-0,817 (forced speed) kilo was the range 2.400 miles.