|Role||Wing in Ground-effect aircraft|
|First flight||not flown|
The 'Beriev Be-2500 Neptun' (Бериев Бе-2500 Нептун) is a super heavy amphibious transport aircraft currently in design and development in the industries Beriev in Russia. The maximum takeoff weight is estimated at 2500 tons, hence its name.
Design and development
It has been designed to serve both jet and high altitudes such as ekranoplan. It is planned to fly through transcontinental routes, taking off from normal sea ports without needing special infrastructure.
The concept of the aircraft was developed in 1980s by the Berijev Design Office in collaboration with TsAGI and TsIAM. There are two versions of the design that differ in the arrangement of the gear units and in the geometric design of the dragon structure. Initially, the NK-116 engine was designed to be installed, but foreign engines were also introduced, including the Rolls-Royce Trent 800 and General Electric GE. The machine - with its previous VVA-14 concept - would have been operating at high altitude as an airplane near the surface (sea) interface plane. The NK-116 plans were developed by samara i [Kuznyecov Design Office] by 1994. Berijev is planned to cooperate with foreign partners in the development of the aircraft, including financing issues. It is estimated that the cost of a development program can reach $ 10-15 billion.
The company claims that such aircraft would operate as a "flying ship" that would compete with the shipping and air transport industries and could easily be integrated into the existing infrastructure.
- Crew: 2
- Capacity: 1,000,000 kg (2,200,000 lb)
- Length: 123 m (403 ft 7 in)
- Wingspan: 156 m (511 ft 10 in)
- Height: 29.12 m (95 ft 6 in)
- Wing area: 3,428 m2 (36,900 sq ft)
- Empty weight: 1,500,000 kg (3,306,934 lb)
- Max takeoff weight: 2,500,000 kg (5,511,557 lb)
- Powerplant: 6 × Kuznetsov NK-116 turbofans, 172 kN (39,000 lbf) thrust each
- Maximum speed: 800 km/h (497 mph; 432 kn) at 10,000 m (33,000 ft)
- Maximum speed in ground effect: 450 km/h (280 mph; 240 kn)
- Range: 17,000 km (10,563 mi; 9,179 nmi) at 10,000 m (33,000 ft)
- Range in ground effect: 10,700 km (6,600 mi; 5,800 nmi)
- Wing loading: 730 kg/m2 (150 lb/sq ft)
- Thrust/weight: 0.00025 kN/kg (0.025 lbf/lb)
- "Beriev Be-2500". www.globalsecurity.org. Retrieved 26 December 2018.
- "Beriev Aircraft Company - Be-2500 amphibious aircraft". www.beriev.com. Retrieved 26 December 2018.
- SeaplaneInternational (3 June 2011). "Plan of the wolrd's largest aircraft". seaplaneinternational.com. Retrieved 26 December 2018.
- Soviet and Russian Ekranoplans, Sergey Komissarov and Yefim Gordon, Ian Allan Publishing Midland, Pages 192 - 199. ISBN:978-1-85780-332-7
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