Viima

This plain is a prototype of a Finnish trainer for preliminary flight and aerobatic training. The plane model was built in a series of 23 at the State Aeroplane Works in Tampere from 1937 - 39. This two-seat, biplane trainer was used by the Finnish Air Force from the late 1930s to the end of the 1940s.

Viima means wind in English. It had unequal span, staggered single bay wings built around two box spars with plywood ribs. The interplane struts were N shaped. The wings were fabric covered and carried four ailerons in all; the upper and lower ailerons were externally linked. The fuselage and tail unit were constructed of chrome-molybdenum steel and fabric covered. The tailplane, mounted on the top of the fuselage, was wire braced to the small triangular fin. Both fin and tailplane were adjustable on the ground. The wide chord, deep rudder reached to the bottom of the fuselage between divided elevators.

Technical details:
- Engine: Siemens Halske 14A4 160 H.P. Air Cooled.
- Length: 8.16 m
- Wing span: 10.53 m
- Flying weight: 925 kg
- Maximum speed: 175 km/h


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