Bell 47
- CountryUnited States of America
- TypeTwo or three seat light utility helicopter
- Powerplants47G - Various Lycoming flat six piston engines ranging in output from 150kW (200hp) to 210kW (280hp), including the 47G3B2A's 210kW (280hp) Lycoming TVO435F1A, driving two blade main and tail rotors. 47J Ranger - One 230kW (305hp) Lycoming VO540B1B flat six.
- Performance47G3B2A - Max speed 169km/h (91kt), cruising speed 135km/h (73kt) at 5000ft. Initial rate of climb 880ft/min. Range 397km (214nm) at 6000ft. 47J Ranger - Max speed 169km/h (91kt), cruising speed 130km/h (70kt). Initial rate of climb 800ft/min. Range with max fuel and no reserves 413km (223nm).
- Weights47G3B2A - Empty 858kg (1893lb), max takeoff 1340kg (2950lb). 47J Ranger - 785kg (1730lb), max takeoff 1340kg (2950lb).
- Dimentions47G3B2A - Rotor diameter 11.32m (37ft 2in), fuselage length 9.63m (31ft 7in), height 2.83m (9ft 4in). Main rotor disc area 100.8m2 (1085sq ft). 47J Ranger - Same except for fuselage length 9.90m (32ft 5in).
- Capacity47G - Pilot and two passengers on a single bench seat. 47J Ranger - One pilot and three passengers.
- ProductionBell built more than 4000 47s between the late 1940s and 1974. AgustaBell of Italy licence built over 1200; Kawasaki of Japan 239; and Westland of the UK 239.
The recognizable and unique Bell 47 is a particularly noteworthy flying machine as it was one of the world's first viable helicopters.
The universal Bell 47 goes again to Bell's Model 30 of 1943, an exploratory helicopter assessed by the US Army (10 were requested for that administration). The principal ensuing model Bell Model 47 (with an auto sort lodge and two seats) first flew on December 8 1945. In May 1946, this early model Bell 47 turned into the first common helicopter on the planet to addition common accreditation.
The main common variations to see generation were the comparable Model 47b, and the 47b3 with an open cockpit. The 47d emulated and was the first model to peculiarity the well known `goldfish vessel' overhang and the different uncovered tail blast. The Model 47e was comparable however fueled by a 150kw (200hp) Franklin motor.
The complete Model 47g emulated the 47e into creation in 1953, and it was this variation, in various progressively all the more effective forms, that stayed in generation until 1974, demonstration of the utility and achievement of Bell's fundamental outline. The 47g had discretionary metal rotor cutting edges and was fueled by a scope of Lycoming motors yielding 150 to 210kw (200 to 280hp).
The Model 47h is focused around the 47g, yet with a completely encased fuselage and ordinary lodge, and framed the premise for the 47j Ranger. The Ranger had a further extended lodge for four, and entered generation in 1956. The 47j2 Ranger presented controlled controls and metal sharpened pieces of steels as standard, and was fueled by a 195kw (260hp) Vo540.
Kawasaki in Japan permit constructed an advancement of the 47g, the Kh4 with more customary style encased cabin.
Pictures of Bell 47
