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The Beriev Be-8 (USAF/DoD reporting name "Type 33",[2] NATO reporting name "Mole"[3]), was built by the Soviet Beriev OKB in 1947. It was a passenger/liaison amphibian aircraft with a layout similar to the Be-4 but substantially larger and heavier. It was a single engined parasol winged aircraft, with the wing installed on a thin pylon and a pair of short struts. Compared to the Be-4, the Be-8 was equipped with retractable landing gear, with cockpit and passenger cabins heated by an engine exhaust heat exchanger. The Be-8 was intended as a civil aircraft and carried no armament. First flight was on 3 December 1947, demonstrating good performance and of the two prototypes, one was demonstrated during the 1951 Soviet Aviation Day at Tushino.

Be-8
Role	Airliner Type of aircraft
Manufacturer	Beriev
First flight	3 December 1947[1]
Status	Did not enter mass-production
Number built	2

One of Be-8 was equipped with hydrofoils, developed at TsAGI. These "Underwater Wings" were installed on landing gear struts and raised the aircraft above the water, well before the aerodynamic lift could support the aircraft. As a result, takeoff was much easier and imposed less punishment on the hull from the waves. Despite being very effective during take-off, the hydrofoils resulted in increased drag and a reduction in maximum airspeed. Construction of retractable hydrofoils was not ready, and the concept did not find practical applications.

Specifications (Be-8)

Data from The Osprey Encyclopedia of Russian Aircraft 1875–1995[1]

General characteristics

• Crew: 2
• Capacity: 6 passengers
• Length: 13.0 m (42 ft 8 in)
• Wingspan: 19.0 m (62 ft 4 in)
• Wing area: 40 m² (430 sq ft)
• Empty weight: 2,815 kg (6,206 lb)
• Gross weight: 3,624 kg (7,990 lb)
• Fuel capacity: 352 kg (776 lb)
• Powerplant: 1 × Shvetsov ASh-21 seven-cylinder air-cooled radial engine, 520 kW (700 hp)
• Propellers: 3-bladed VISh constant speed, 3 m (9 ft 10 in) diameter

Performance

• Maximum speed: 266 km/h (165 mph, 144 kn) at 1,800 m (5,900 ft)
• Cruise speed: 220 km/h (140 mph, 120 kn)
• Range: 1,205 km (749 mi, 651 nmi)
• Service ceiling: 5,500 m (18,000 ft)

References

• Gunston, Bill. The Osprey Encyclopedia of Russian Aircraft 1875–1995. London: Osprey, 1995. ISBN 1-85532-405-9.

На других языках

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[de] Berijew Be-8

Die Berijew Be-8 (russisch Бериев Бе-8, NATO-Codename Mole) war ein sowjetisches Amphibienflugzeug.

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- [en] Beriev Be-8

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[it] Beriev Be-8

Il Beriev Be-8 (in cirillico Бериев Бе-8, designazione USAF/DoD "Type 33", nome in codice NATO Mole, (talpa)[2]) era un aereo anfibio a scafo centrale, monomotore ad ala alta a parasole, progettato dall'OKB 49 diretto da Georgij Michailovič Beriev e sviluppato in Unione Sovietica negli anni quaranta.

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[ru] Бе-8

Бе-8 (по кодификации НАТО: Mole) — советский самолёт-амфибия на подводных крыльях, созданный в ОКБ Бериева в 1947 году. Пассажирский самолёт, той же схемы, что Бе-4 — подкосный моноплан с крылом над фюзеляжем (парасоль), на тонком пилоне и двух парах коротких подкосов, поддерживающих центроплан. Отличался от Бе-4 бо́льшими размерами и массой, а также наличием убирающихся шасси. Был оснащён одним поршневым звездообразным двигателем АШ-21 (570/700 л.с.), установленным в середине крыла. Кабина пилота и пассажирский салон обогревались системой, использующей тепло от двигателя.

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