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Encyclopedia - Boeing 747
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Boeing 747-200B | General | | Country of Origin : | USA | Powerplant | | Number Of Engines : | Four | | Powerplant type : | General Electric CF6-50E2 turbofans, or
Pratt & Whitney JT9D-7R4G2 turbofans, or
Rolls-Royce RB.211-524D4-B turbofans | | Max Power Rating : | 238.1kN (52,500lb) (GE)
243.5kN (54,750lb) (P&W)
236.2kN (53,110lb) (RR) | Dimensions | | Length : | 70.51m (231ft 4in) | | Height : | 19.33m (63ft 5in) | | Wingspan : | 59.64m (195ft 8in) | | Wing Area : | 511m2 (5,500sq ft) | | Tailplane Span : | 22.17m (72ft 9in) | Weights | | Empty Weight : | 174,860kg (385,500lb) | | Max Take-off Weight : | 362,875kg (800,000lb) | | Internal fuel load : | 194,715 litres (42,832 Imp gal) | Performance | | Range with maximum payload : | 5,450nm (10,100km; 6,313mi) | | Service Ceiling : | 45,000ft (13,715m) | Boeing 747-400 | Powerplant | | Number Of Engines : | Four | | Powerplant type : | A choice of the following turbofans : Pratt & Whitney PW4062, Rolls-Royce RB211-524H2-T or General Electric CF6-80C2B5F | | Max Power Rating : | 63,300 lb (281.57 kN) - P&W
59,500 lb (264.67 kN) - RR
62,100 lb (276.23 kN) - GE | Dimensions | | Length : | 70.60m (231ft 10in) | | Height : | 19.40m (63ft 8in) | | Wingspan : | 64.40m (211ft 5in) | | Max. Cabin Width : | 6.10m (20ft) | Weights | | Max Take-off Weight : | 396,890kg (875,000lb) | | Internal fuel load : | 216,840l (57,285 US gal) | Performance | | Cruising Speed : | 493kt (Mach 0.85; 913km/h; 567mph) | | Maximum Range : | 7,260nm (13,450km; 7,262mi) |
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