Romney (1762); Portland (1770); Bristol (1775); Renown (1774); Isis (1774); Leopard (1790); Hannibal (1779); Jupiter (1778); Leander (1780); Adamant (1780); Europa (1783); Assistance (1781)

Scale: 1:48. Plan showing the body plan, sheer lines with some inboard detail, and longitudinal half-breadth proposed for a 50-gun Ship. The dimensions match those of the Portland class (approved 1766), which was based on the plan for Romney (1762). The Portland class was ordered in two batches: Portland (1770), Bristol (1775), Renown (1774), and Isis (1774); then Leopard (1790), Hannibal (1779), Jupiter (1778), Leander (1780), Adamant (1780), Europa (1783), and Assistance (1781). All were 50-gun Fourth Rate, two-deckers. The ticked lines represent Romney.