Royal British Navy ordered building of 12 destroyers according to the Dutch magazine Marineblad dated 1911-1912 no. 6

An item reported that the Royal British Navy ordered at four different firms 12 new destroyers with a displacement of around 920 tons and a minimum speed of 33 miles. Of the Tartar-design which succeeded 780 ton destroyers with a speed of 27miles.One of this new destroyers was to be built by Thornycroft of a special design fitted out with a combination of steam engines and internal combustion machinery.