Hansa-Brandenburg W.33
1918
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Hansa-Brandenburg W.33

Ordered in April 1918, the W.33 was basically a larger and more powerful development of the W.29 and, augmenting the smaller fighter seaplane, saw service from North Sea air stations during the closing months of World War I. The W.33 was powered by a 260hp Mb IVa six-cylinder inline water-cooled engine and armament normally comprised two forward-firing 7.62mm LMG 08/15 machine guns and one Parabellum in the rear cockpit. One aircraft was experimentally fitted with a 20mm Becker cannon in the rear cockpit, and several aircraft were fitted with radio and had one of the LMGs removed. Only a handful of W.33s had been taken into the German Navy's inventory when hostilities terminated, but the Norwegian Naval Flying Boat Factory built 30 under licence and the Norwegian Army Aircraft Factory built a further 11. The Finnish Aviation Force's Aircraft Factory assembled two W.33s as pattern aircraft in 1922, and licence-manufactured a further 120 during 1923-26.

W.Green, D.Swanborough "The Complete Book of Fighters", 2000

3-View 
Hansa-Brandenburg W.33A three-view drawing (1638 x 1160)


Specification 
 WEIGHTS
    Take-off weight2050 kg4520 lb
    Empty weight1420 kg3131 lb
 DIMENSIONS
    Wingspan15.85 m52 ft 0 in
    Length11.10 m36 ft 5 in
    Height3.37 m11 ft 1 in
    Wing area44.0 m2473.61 sq ft
 PERFORMANCE
    Max. speed173 km/h108 mph

Comments
Alan Brown, 03.03.2011

I have this identical photograph as a postcard from a collection given to me by my uncle who was in the British Royal Air Force in the 1920's. It was taken at the RAF station at Felixstowe, which fielded floatplanes and flying boats, and was part of captured German airplanes turned over after WW I. I also have a later postcard of the same airplane in RAF colors.

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