30th June 1924, it took place the signature of a contract for the supply of 25 torpedoes and
10 launching tubes to Yugoslavia (fig. 14), which then, happened to be the first
foreign customer of the Stabilimenti Whitehead Societŕ di Esercizio, being at the
same time, the 29 th nation to have purchased torpedoes from the company
originally founded by Robert Whitehead. The torpedoes sold were not of new
type, but pertained to a previous sale to the Russian Navy finalised in 1912-13,
referring to 248 torpedoes of 450 mm. of diameter, 5,5 m. of length, warhead with
100 Kg. of trotyl explosive and exploder with net-cutter, two horizontal cylinders
propulsion motor, air heater with water injection, speed of 43 knots over a
distance of 2.000 m. and 31 knots for a distance of 6.000 m.
http://www.torpedo150rijeka.org/docs/protorpedoEN/documents/22/1.0/Original.pdf