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Encyclopedia - Kaman Seasprite

The Kaman Seasprite was developed by Kaman Aerospace Corp, USA to serve as a multi-role helicopter on board naval vessels.

Originally the Seasprite was developed with a single turbine and a carrying capacity of 9 passengers. Te design was altered to accommodate two 1350 hp T58-8F General Electric turbines.

The Seasprite was able to carry a mini-gun, Sparrow 2 and Sidewinder rockets as well as a formidable 2 tonnes woth of anti-submarine equipment such as Kin-radar, sonar buoys, MAD-installation, ECM and MK44 and/or MK46 torpedos.

Gallery Images

Kaman SH-2F Seasprite

General

Crew : Three
Accommodation : Up to four passengers or two litter patients

Powerplant

Number Of Engines : Two
Powerplant type : General Electric T58-GE-8F turboshaft
Max Power Rating : 1,007kW (1,350shp)

Dimensions

Length, Rotors Turning : 16.03m (52ft 7in)
Height, Rotors Turning : 4.72m (15ft 6in)
Main Rotor Diameter : 13.41m (44ft)
Main Rotor Disc Area : 141.26m2 (1,520.23sq ft)
Tail Rotor Diameter : 2.45m (8ft 0.5in)

Weights

Empty Weight : 3,193kg (7,040lb)
Max Take-off Weight : 6,123kg (13,500lb)

Landing Gear

Type : Forward-retracting twin mainwheels and a non-retractable tailwheel
Wheelbase : 5.11m (16ft 9in)
Wheel Track : 3.30m (10ft 10in)

Performance

Max Speed At Sea Level : 130kt (241km/h; 150mph)
Initial Climb Rate : 2,440ft (744m) per minute
Service Ceiling : 22,500ft (6,860m)
Hover In Ground Effect : 18,600ft (5,670m)
Hover Out Of Ground Effect : 15,400ft (4,695m)

Kaman SH-2G Seasprite

Powerplant

Number Of Engines : Two
Powerplant type : General Electric T700-GE-401C turboshaft engines
Max Power Rating : 1,285kW (1,723shp)

Dimensions

Length, Rotors Turning : 16.08m (52ft 9in)
Main Rotor Diameter : 13.51m (44ft 4in)
Main Rotor Disc Area : 143.41m2 (1,543sq ft)
Tail Rotor Diameter : 2.46m (8ft 1in)
Tail Rotor Disc Area : 1.32m2 (14.19sq ft)

Weights

Empty Weight : 3,483kg (7,680lb)
Max Take-off Weight : 6,123kg (13,500lb)
Internal fuel load : 1,045 litres (276 US Gal)
Maximum Payload : 1,814kg (4,000lb)

Landing Gear

Type : Retractable tailwheel type with twin-wheel main units and a single-wheel tail unit
Wheel Track : 3.30m (10ft 10in)

Performance

Max Speed At Sea Level : 138kt (256km/h; 159mph)
Cruising Speed : 120kt (222km/h; 138mph)
Maximum Range : 478nm (885km; 500mi) with two auxiliary tanks
Endurance : 5 hours with two auxiliary tanks
Initial Climb Rate : 2,500ft (762m) per minute
Service Ceiling : 23,900ft (7,285m)
Hover In Ground Effect : 20,800ft (6,340m)
Hover Out Of Ground Effect : 18,000ft (5,485m)


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