/ Grumman FF
The Grumman FF “Fifi” (company designation G-5) was an American biplane fighter aircraft operated by the United States Navy during the 1930s.
It was the first carrier aircraft with retractable landing gear.
It was produced under licence in Canada and known as the Goblin in Canadian service and Delfín in Spanish service.
serial number A8878
two-seat U.S. Navy carrier-borne fighter
of the original FF-1 fighters converted by the Naval Aircraft Factory with dual controls to serve as fighter trainers
second prototype, serial number A8940
two-seat U.S. Navy carrier-borne scout
an SF-1 airframe with the 650 hp (485 kW) Pratt & Whitney R-1535-72 Twin Wasp Junior engine driving a Hamilton Standard propeller
G-23s built under licence by the Canadian Car & Foundry Company
A single Grumman G-23 supplied to the Imperial Japanese Navy Air Service for evaluation in 1935.
Export variant for Spain.
24 ft 6 in (7.47 m)
34 ft 6 in (10.52 m)
11 ft 1 in (3.38 m)
310 sq ft (28.8 m2)
3,098 lb (1,405 kg)
Max take-off weight
4,677 lb (2,121 kg)
1 × Wright R-1820-78 Cyclone radial engine, 700 hp (520 kW)
207 mph (333 km/h, 180 kn) at 4,000 ft (1200 m)
685 mi (1,100 km, 595 nmi)
22,100 ft (6,735 m)
Rate of climb
1,667 ft/min (8.47 m/s)
2× 0.30 in (7.62 mm) M1919 Browning machine guns
1x 0.30 in and 1x 0.5 in (12.7mm) Browning M2 fixed in fuselage
1x 0.30 in flex in rear cockpit
2× 100 lb (45 kg) M30 or 116 lb (53 kg) Mk4 bombs under wings.
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