Captain Pellew’s ship, HMS Indefatigable, is represented by the Grand Turk, a modern replica of the frigate HMS Blandford built in 1741. To represent Hornblower’s ship, HMS Hotspur, the Earl of Pembroke, a civilian ship, underwent some conversion. The Baltic trading schooner Julia and the brig Phoenix of Dell Quay were used to represent the smaller vessels. No real 74-gun ship existed any longer at the time of production (the last one, HMS Implacable, was scuttled in 1949), so HMS Justinian and HMS Renown had to be recreated as models. For the first series a quarter of a 74-gun ship (one exterior side and three open sides to shoot live action on several decks) called the pontoon was built. Later live action on the quarterdeck or the gundeck below was shot on the actual HMS Victory. Eleven scale models, ranging from 4.5 to 7 m in length, were used for the battle scenes, the largest weighing 1400 kg, and made with working rigging and cannons that were fired by remote control. Shooting locations included the Black Sea, the Livadia Palace, Portugal, and the former administration (Melville) building of the Royal William Yard and the Barbican, Plymouth in England.