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Encyclopedia - Bell 47

Bell Helicopter Co. of Fort Worth, USA developed a training helicopter seating 3 in a bubble cabin.

Initially the helicopter was equipped with a six-cylinder Franklin boxer motor producing 178/200 hp with a vertical crank shaft. Later the boxer was replaced by a choice of a 240 hp Lycoming VO-235 or 270 hp Lycoming TVO-435.

Larry Bell developed the 47 midyear 1943 and the first production 47 was delivered in 1945. Westland; Agusta produced the 47 until about 1200 were produced.

The trainer version had the pilot seated center front and the 2 passengers behind.

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Bell 47G-5A


Number Of Engines : One
Powerplant type : Avco Lycoming VO-435-B1A flat-six piston engine
Max Power Rating : 198kW (265hp)


Length, Rotors Turning : 13.30m (43ft 7.5in)
Height : 2.84m (9ft 3.75in)
Main Rotor Diameter : 11.32m (37ft 1.5in)
Main Rotor Disc Area : 100.61m2 (1,083sq ft)
Tail Rotor Diameter : 1.78m (5ft 10in)


Empty Weight : 786kg (1,732lb)
Max Take-off Weight : 1,293kg (2,850lb)


Max Speed At Sea Level : 106kt (196km/h; 105mph)
Cruising Speed : 73kt (137km/h; 85mph) @ 5,000ft (1,525m)
Maximum Range : 222nm (412km; 256mi)
Service Ceiling : 10,500ft (3,200m)

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