Bohemia B-5

Bohemia B-5

The Bohemia B.5 was a Czech light sport aircraft of the period shortly after World War I.

Design and development

The B.5 was the first aircraft designed and built in the Czech Republic after the creation of that nation at the end of the war. The B.5 was designed and constructed at the Bohemia Pilsen works. It had one engine and two seats in separate, tandem open cockpits. [ [http://aviastar.org/air/czech/bohemia_b-5.php Photo of the B.5] ]

The B.5 is a typical biplane sport/trainer aircraft of the period. Its upper wing is staggered forward of the lower wing. The lower wing attaches to the lower fuselage between the two cockpits; the upper wing is a one-piece unit over the fuselage. Only the upper wing has ailerons. The wings are connected with struts.

The fixed undercarriage used an axle between the two wheels, and a tailskid.

The empennage was conventional, with the tailplane affixed to the top of the tailcone.

The engine was a NAG four-cylinder inline piston engine, rated at 40 hp. It turned a two-blade wooden propeller. Rotation was counterclockwise as viewed from the cockpit.

Operational history

The prototype first flew from the Pilsen aerodrome on 27 April 1919. [ [http://de.wikipedia.org/wiki/Bohemia_B-5 B.5 article] ]

Due to its lackluster performance, the B.5 was not a commercial success, and few examples were sold.

No complete B.5 exists today. A fuselage is on display at the Museum of Flight (Letecke Museum) in Prague 19 (Kbely).

pecifications

[ [http://luftfahrtmuseum.com/htmi/itf/bohb5.htm Virtual Museum] ] Length = 6.68 m (another source lists 6.52 m) .(21.92 ft)

Wingspan = 8.00 m .(26.25 ft)

Empty weight = 340 kg .(750 lb)

Maximum weight = 520 kg .(1147 lb)

Maximum speed = 110 km/h .(59 kt)

Service ceiling = 1500 m .(4921 ft)

Range = 120 km .(65 nm)

References


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