North American XB-70 Valkyrie

North American XB-70 Valkyrie adalah pesawat supersonik sayap delta bermesin enam besar bisa terbang Mach 3 + pada ketinggian 70.000 kaki (21.000 m), yang akan memungkinkan untuk menghindari dari pesawat pencegat, yang hanya efektif dengan senjata anti- bomber pada saat itu. Dirancang oleh North American Aviation pada tahun 1950-an .

Spesifikasi (XB-70A)

Karakteristik umum

Kru: 2
Panjang: 189 ft 0 in (57,6 m)
Lebar sayap: 105 ft 0 in (32 m)
Tinggi: 30 ft 0 in (9,1 m)
Area sayap: 6297 ft ² (585 m²)
Airfoil: Hexagonal; 0.30 Hex akar dimodifikasi, 0.70 Hex tip diubah
Berat kosong: £ 253.600 (115.030 kg; operasi berat kosong )
Loaded berat: £ 534.700 (242.500 kg)
Max. berat lepas landas: £ 542.000 (246.000 kg)
Powerplant: 6 × General Electric YJ93 -GE-3 afterburning turbojet
Dorong kering: 19.900 lbf [ 74 ] (84 kN) masing-masing
Dorong dengan afterburner: 28.800 lbf [ 75 ] (128 kN) masing-masing
Kapasitas bahan bakar internal: £ 300.000 (136.100 kg) atau 46.745 US galon (177.000 L)

Prestasi

Kecepatan maksimum: Mach 3.1 (2,056 mph, 3.309 km / jam)
Cruise speed: Mach 3,0 (2.000 mph, 3.200 km / jam)
Rentang: 3.725 nm (4.288 mil, 6.900 km) dari misi tempur
Layanan langit-langit: 77.350 ft (23.600 m)
Loading sayap: £ 84,93 / ft ² (414,7 kg / m²)
angkat-to-tarik: sekitar 6 dengan kecepatan Mach 2 [ 108 ]
Thrust / weight: 0,314

Referensi

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