Northrop Grumman B-2 Spirit

Northrop Grumman B-2 Spirit
Paese	Usa
Ruolo	Bombardiere pesante strategico stealth
Primo volo	17 luglio 1989
Costruito	21

Le Northrop (in seguito Northrop Grumman) B-2 Spirit, noto anche come Stealth Bomber, è un bombardiere strategico pesante americano, con tecnologia stealth a bassa osservabilità progettato per penetrare dense difese antiaeree. Progettato durante la Guerra Fredda, è un progetto di ala volante con un equipaggio di due persone. Il bombardiere è subsonico e può schierare sia armi convenzionali che termonucleari, come fino a ottanta bombe a guida GPS Mk 82 JDAM di classe 500 libbre (230 kg) o sedici bombe nucleari B83 da 2.400 libbre (1.100 kg). Il B-2 è l'unico velivolo riconosciuto in grado di trasportare grandi armi standoff aria-superficie in una configurazione stealth.

fonte: Northrop Grumman B-2 Spirit su Wikipedia

Northrop B-2 Spirit Walk Around
Fotografo	Vladimir Jakubov
Localizzazione	Inconsapevole
Foto	60

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General Characteristics and Design

The Northrop Grumman B-2 Spirit is an American heavy strategic bomber featuring low-observable “stealth” technology. Designed to penetrate sophisticated enemy air defenses, its revolutionary “flying wing” configuration minimizes its radar signature, making it difficult to detect, track, and engage. It is capable of delivering both conventional and nuclear weapons anywhere on the globe with one mid-air refueling.

Property	Typical Value (B-2A Block 30)
Ruolo	Multi-role Strategic Heavy Bomber
Produttore	Northrop Grumman Corporation
First Flight	July 17, 1989
No. Built	21 (20 remain in service)
Equipaggio	2 (Pilot and Mission Commander)
Mass (Empty Weight)	72,575 kg (160,000 lb)
Max Takeoff Weight	152,634 kg (336,500 lb)

Dimensions and Stealth

Wingspan: 52.4 m (172 ft). The immense wingspan is similar to the B-52 Stratofortress, despite having no fuselage or tail.
Length: 21.0 m (69 ft).
Height: 5.18 m (17 ft).
Design: The “flying wing” design lacks vertical stabilizers, which typically produce large radar returns. It uses split elevons on the trailing edge for yaw control.
Radar Cross-Section (RCS): Classified, but often cited as being around $0.0001\text{ m}^2$, comparable to a large bird or insect, giving it unparalleled stealth performance.

Powerplant and Performance

Engine: Four General Electric F118-GE-100 non-afterburning turbofan engines.
Thrust (each): 76.9 kN (17,300 lbf). The non-afterburning design helps reduce the aircraft’s thermal (infrared) signature.
Speed: High subsonic (Maximum speed around 1,010 km/h or 628 mph).
Service Ceiling: 15,240 m (50,000 ft).
Range (Unrefueled): 11,100 km (6,900 mi; 6,000 nmi). Intercontinental range is achieved with one refueling, often extending missions to over 30 hours.

Armamento

Payload: Carries all ordnance internally in two large bomb bays, with a maximum payload capacity of over 18,144 kg (40,000 lb).
Nuclear Weapons: Capable of carrying B61 and B83 nuclear bombs.
Conventional Weapons: Can carry up to 80 500-lb (230 kg) JDAM GPS-guided bombs, 16 2,000-lb (907 kg) JDAMs, or specialized weapons like the Massive Ordnance Penetrator (MOP).
Mission Profile: Designed to drop munitions from high altitudes, greatly increasing the impact area and standoff range for precision-guided munitions.