Bell 427
- CountryCanada, USA and South Korea
- TypeLight twin utility helicopter
- PowerplantsTwo 456kW (611shp) takeoff rated, 405kW (543shp) max continuous rated Pratt & Whitney Canada PW-206D turboshafts driving a four blade main rotor and two blade tail rotor.
- PerformanceMax speed 255km/h (138kt), cruising speed 246km/h (133kt). Hovering ceiling in ground effect 16,000ft, out of ground effect 7500ft. Range 704km (380nm). Max endurance 4hr.
- WeightsEmpty 1743kg (3842lb), max takeoff 2880kg (6350lb).
- DimentionsMain rotor diameter 11.28m (37ft 0in), fuselage length 10.94m (35ft 11in). Main rotor disc area 99.9m2 (1075.2sq ft).
- CapacityPilot and up to seven passengers (in a 2+3+3 arrangement), or pilot and passenger side by side with seating for four in a club configuration in main cabin. In medevac configuration two stretcher patients and two medical attendants.
- ProductionFirst deliveries January 2000, 10 delivered by October. Over 85 on order mid 2000.
Bell's most recent helicopter, the 427 is a trade for the 206lt Twinranger and the wiped out 407t, which was to be a twin motor 407 (portrayed independently).
At the point when Bell initially took a gander at a twin motor form of its new 407 light single, the organization initially expected creating the 407t which would have been a generally direct twin motor improvement (with two Allison 250-C22bs). On the other hand, Bell inferred that the 407t would not offer sufficient payload/range execution, along these lines started investigations of another light twin.
The result was the all new 427, which Bell published at the Heli Expo in Dallas in February 1996. Preceding this publication Bell had consented to a synergistic organization arrangement with South Korea's Samsung Aerospace Industries coating the 427. Samsung's part on the 427 project is noteworthy, the South Korean organization fabricates the 427's fuselage and tailboom, and might later gather any 427s sold in South Korea and China at its Sachon plant. (Samsung likewise fabricates the left and right fuselage parts and the tailboom for the Bell 212 and 412). Ringer manufactures the 427's flight elements frameworks at Fort Worth in Texas, with last get together at Bell's Mirabel, Quebec plant.
The 427 was the first Bell outlined completely on machine (counting utilizing CATIA 3d demonstrating). Contrasted with the 407 the 427's lodge is 33cm (13in) more extended, is generally of composite development amd fails to offer the top bar which hinders the lodge on the 206/206l/407.
Force is from two FADEC prepared Pratt & Whitney Canada PW-206 turboshafts, driving the composite four edge fundamental rotor and two sharpened steel tail rotor (focused around those on the OH-58d Kiowa and Bell 407) through another consolidating gearbox. The primary rotor's delicate in-plane center point offers a composite flexbeam yoke and elastomeric joints, killing the requirement for grease and any manifestation of support. The 427's glass cockpit offers an incorporated instrument show framework (IIDS). A pivoted fundamental lodge entryway is standard yet a sliding entryway is discretionary.
Initially flight was on December 11, 1997 and Canadian accreditation was honored on November 19, 1999. Initially client conveyances tailed US affirmation in January 2000. US FAA double pilot IFR affirmation was granted in May 2000.
Pictures of Bell 427
