After Brazil sold Rio de Janeiro to the Ottoman Empire, it returned to Armstrong Whitworth for another capital-ship proposal. The selected Riachuelo concept developed ideas associated with the Queen Elizabeth and Revenge classes. Eight 15-inch guns would have placed it among the most heavily armed contemporary export designs. A British yard was adapting current Royal Navy design practice for a South American customer.
Notable Point ยท 45:18-45:43
Riachuelo carried British design ideas to Brazil
Brazil's unbuilt Riachuelo proposal adapted Queen Elizabeth and Revenge design ideas around eight 15-inch guns.