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| A derivative of the Letord-Bechereau 2 embodying
some redesign and built by Buscaylet Pere et Fils-
Bobin, the BB2 single-seat fighter was tendered to
meet the requirements of the 1923 C1 programme and
the sole prototype was flown in 1924. Powered by a
500hp Salmson 18Cm 18-cylinder water-cooled engine
driving the propeller via an extension shaft, the BB2
was of essentially similar configuration to that of the
earlier LB2, but replaced the inclined aerofoil surfaces
between the undercarriage structure and mid span
with very substantial struts. Armament comprised the
standard pair of 7.7mm machine guns. Prototype trials
proved disappointing and the aircraft was discarded
from the official short list of contenders. However,
further development as a two-seat fighter was later
undertaken by its designer, Louis Bechereau, after his
appointment as chief of the airframe design staff of the
Salmson company.
 | A three-view drawing (1660 x 1147) |
| WEIGHTS |
| Take-off weight | 1758 kg | 3876 lb |
| Empty weight | 1350 kg | 2976 lb |
| DIMENSIONS |
| Wingspan | 14.00 m | 46 ft 11 in |
| Length | 10.00 m | 33 ft 10 in |
| Height | 3.00 m | 10 ft 10 in |
| Wing area | 39.00 m2 | 419.79 sq ft |
| PERFORMANCE |
| Max. speed | 250 km/h | 155 mph |
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| 
All the World's Rotorcraft |
