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Encyclopedia - Bell 412

The Bell 412 is a successful upgrade of the Bell 212 Twin Huey built in the late 1960s. The first 412 prototype flew in 1979 with an upgraded PT6T-9 engine, a paired turbine pack and a four bladed main rotor rather than the twin blade 212 version.

The 412 also brought about multiple seating configurations rather than the standard 15 seat options of the 212

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Bell 412

Powerplant

Number Of Engines : One
Powerplant type : Pratt & Whitney Canada PT6T-3B-1 Twin-Pac turboshaft engine
Max Power Rating : 1,342kW (1,800shp) flat-rated to 975kW (1,308shp)

Dimensions

Length, Rotors Turning : 17.07m (56ft)
Height, Rotors Turning : 4.32m (14ft 2.25in)
Main Rotor Diameter : 14.02m (46ft)
Main Rotor Disc Area : 154.39m2 (1,661sq ft)

Weights

Empty Weight : 2,823kg (6,223lb)
Max Take-off Weight : 5,262kg (11,600lb)

Performance

Cruising Speed : 124kt (230km/h; 143mph)
Maximum Range : 227nm (420km; 261mi)
Service Ceiling : 14,200ft (4,330m)


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