At the same time Rolls-Royce was working on the Eagle, work was begun on an in-line 6 (the Hawk) and a scaled down Eagle, the Falcon. All three engine prototypes appeared in the winter of 1915-16.
After the war, development continued on the Eagle but not its smaller brothers.

models

• Falcon III: 275 hp (205 kW)

specifications

• V-12 piston engine
• Liquid cooled
• Displacement 867 cubic inches (14.2 litres)
• Bore x stroke: 4 x 5.75 inches

used by

• Bristol F.2B