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/ Grumman Trader
Grumman Trader
The Grumman C-1 Trader is a carrier onboard delivery (COD) variant of the Grumman S-2 Tracker.
The C-1 Trader grew out of a need by the United States Navy for a new anti-submarine airplane.
In response to this Grumman began development on a prototype twin-engine, high-wing aircraft which it designated the G-89.
In 1952 the Navy designated this aircraft the XS2F-1 and flew it for the first time on December 4 that year.
During the rest of the 1950s three major variants emerged, the C-1 Trader being one of them.
The C-1 (originally the TF-1) was outfitted to carry nine passengers or 3,500 pounds (1,600 kg) of cargo and first flew in January 1955.
Variants
TF-1
Carrier Onboard Delivery version of the S-2 Tracker with enlarged fuselage for nine passengers, redesignated C-1A in 1962, 87 built.
TF-1Q
Electronic Countermeasures conversion of the TF-1, redesignated EC-1A in 1962, four conversions.
TF-1W
Airborne Early Warning project that was developed in the WF-2 Tracer.
C-1A
TF-1 redesignated in 1962.
EC-1A
TF-1Q redesignated in 1962.
KC-2 Turbo Trader
Marsh Aviation modernization project for Air-to-Air Refuelling.
This was due to a request by the Brazilian Navy.
Specifications
Crew
1
Capacity
9 passengers / 8,500 lb (3,856 kg) payload
Length
42 ft (13 m)
Wingspan
69 ft 8 in (21.23 m)
Height
16 ft 3.5 in (4.966 m)
Wing area
485 sq ft (45.1 m2)
Airfoil
Root
NACA 63A420
Tip
NACA 63A415
Empty weight
16,631 lb (7,544 kg)
Gross weight
23,031 lb (10,447 kg)
Max take-off weight
24,600 lb (11,158 kg)
Powerplant
2 × Wright R-1820-82WA Cyclone,
9-cylinder air-cooled radial piston engines,
1,525 hp (1,137 kW) each
Propellers
3-bladed constant-speed fully feathering reversible-pitch propellers
Performance
Maximum speed
280 mph (450 km/h, 240 kn) at 4,000 ft (1,219 m)
Cruise speed
167 mph (269 km/h, 145 kn)
Range
1,110 mi (1,790 km, 960 nmi)
Service ceiling
24,800 ft (7,600 m)
Rate of climb
1,950 ft/min (9.9 m/s)
Wing loading
47.5 lb/sq ft (232 kg/m2)
Power/mass
0.1315 hp/lb (0.2162 kW/kg).
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