Polikarpov DI-2
1929
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Polikarpov DI-2

Essentially a slightly scaled-up two-seat derivative of the I-3, the DI-2 was powered by a similar 750hp BMW VI 7,3 engine and possessed a similar structure. Armament consisted of two synchronised 7.62mm machine guns and two guns of the same calibre on a Scarff ring in the rear cockpit. Flight testing of the DI-2 commenced in 1929, but early in the programme the horizontal tail separated in flight as a result of flutter and further development was discontinued.

3-View 
Polikarpov DI-2A three-view drawing (1280 x 896)


Specification 
 WEIGHTS
    Take-off weight2122 kg4678 lb
    Empty weight1557 kg3433 lb
 DIMENSIONS
    Wingspan11.80 m39 ft 9 in
    Length8.20 m27 ft 11 in
    Wing area31.80 m2342.29 sq ft
 PERFORMANCE
    Max. speed256 km/h159 mph
    Range510 km317 miles

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