Akaflieg Berlin B9

The Akaflieg Berlin B 9 was a twin-engined^[1] experimental aircraft, developed by Akaflieg Berlin and Flugtechnische Fachgruppe in the 1940s. It was designed to examine the benefits of having a pilot in a prone position. The aircraft was flown in 1943, but was eventually abandoned.

Akaflieg Berlin B 9
Role	Experimental aircraft
National origin	Germany
Manufacturer	Akaflieg Berlin
First flight	1943
Status	Prototype only
Number built	1

Specifications

Data from Letadla 39–45: F.F.G. Berlin B 9^[2]

General characteristics

• Crew: One
• Length: 9.06 m (29 ft 9 in)
• Wingspan: 9.40 m (30 ft 10 in)
• Height: 2.32 m (7 ft 7 in)
• Wing area: 11.90 m² (128.1 sq ft)
• Empty weight: 940 kg (2,072 lb)
• Gross weight: 1,115 kg (2,458 lb)
• Powerplant: 2 × Hirth HM 500 4-cylinder air-cooled inverted in-line piston engine, 77 kW (103 hp) each

Performance

• Maximum speed: 250 km/h (160 mph, 130 kn)
• Cruise speed: 225 km/h (140 mph, 121 kn)
• Range: 400 km (250 mi, 220 nmi)
• Service ceiling: 4,000 m (13,000 ft)
• Time to altitude: 4.2 min to 1,000 m (3,300 ft)

See also

Aircraft of comparable role, configuration, and era

• Gloster Meteor F8 "Prone Pilot"
• Henschel Hs 132
• Ikarus 451
• Reid and Sigrist R.S.3

Related lists

• List of aircraft of World War II