Grumman FF - Variants

Variants

XFF-1

single prototype, serial number A8878

FF-1

27 built, two-seat U.S. Navy carrier-borne fighter

FF-2

25 of the original FF-1 fighters converted by the Naval Aircraft Factory with dual controls to serve as fighter trainers

XSF-1

second prototype, serial number A8940

SF-1

33 built, two-seat U.S. Navy carrier-borne scout

XSF-2

one aircraft, an SF-1 airframe with the 650 hp (485 kW) Pratt & Whitney R-1535-72 Twin Wasp Junior engine driving a Hamilton Standard propeller

G23 Goblin

57 FF-1s built under licence by the Canadian Car & Foundry Company

AXG1

A single Grumman FF-2 supplied to the Imperial Japanese Navy Air Service for evaluation in 1935.