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/ Grumman E-1 Tracer
Grumman E-1 Tracer
The Grumman E-1 Tracer was the first purpose-built airborne early warning aircraft used by the United States Navy.
It was a derivative of the Grumman C-1 Trader and entered service in 1958.
It was replaced by the more modern Grumman E-2 Hawkeye by the 1970s.
Variants
XTF-1W
Aerodynamic prototype (BuNo 136792) without electronics, later rebuilt as a standard C-1A, retaining the twin tail.
XWF-1
The XTF-1W re-designated in the W-Warning category.
WF-2
Production Airborne Early Warning version of the TF-1 Trader, redesignated E-1B in 1962, 88 built.
E-1B
WF-2 redesignated in 1962.
Specifications
Crew
4
Length
45 ft 4 in (13.82 m)
Wingspan
72 ft 4 in (22.05 m)
Height
16 ft 10 in (5.13 m)
Wing area
506 sq ft (47.0 m2)
Airfoil
Root
NACA 63A420
Tip
NACA 63A415
Empty weight
20,638 lb (9,361 kg)
Gross weight
24,800 lb (11,249 kg)
Max take-off weight
26,600 lb (12,066 kg)
Powerplant
2 × Wright R-1820-82A Cyclone 9-cylinder air-cooled radial piston engines, 1,525 hp (1,137 kW) each for take-off
Propellers
3-bladed constant-speed reversible propellers
Performance
Maximum speed
238 mph (383 km/h, 207 kn) at 4,000 ft (1,219 m)
Cruise speed
163 mph (262 km/h, 142 kn)
Range
1,035 mi (1,666 km, 899 nmi)
Endurance
6 hours 50 minutes
Service ceiling
15,800 ft (4,800 m)
Rate of climb
1,120 ft/min (5.7 m/s).
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