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The ''Harakka'' ("
European magpie
The Eurasian magpie or common magpie (''Pica pica'') is a resident breeding bird throughout the northern part of the Eurasian continent. It is one of several birds in the crow family (corvids) designated magpies, and belongs to the Holarctic ra ...
") was a
primary glider produced for pilot training in Finland in the 1940s. Its design was typical of this class of aircraft, a "keel" with a pilot's seat suspended beneath a high, strut-braced monoplane wing, and carrying a conventional empennage at the end of an open framework.
["Harakka I (H-12)"] First flown in February 1945, the type was built from plans by Finnish gliding clubs and soon replaced earlier primary gliders such as the
Grunau 9,
["Grunau 9 ja PIK-7 Harakka, kerhon 1940-50-lukujen alkeiskoulukoneet"] becoming a standard piece of equipment in the clubs.
[Hardy 1982, p.74]
In 1946, Raimo Häkkinen and Juhani Heinonen from
Polyteknikkojen Ilmailukerho Polyteknikkojen Ilmailukerho (PIK) is the student flying club of the Aalto University. As well as a flying club, it develops light aircraft and gliders, often on a small scale but sometimes its designs have been produced in quantity. Approximately ...
redesigned the Harakka to strengthen it.
["PIK-sarjan lentokoneet"] This improved version became known as the Harakka II or PIK-7.
["PIK-sarjan lentokoneet"][Taylor 1989, p.726]["Harakka II (H-57)"] In 1948, a single example of a more radically redesigned version designated Harakka III flew.
["Harakka III/PIK-7 (H-34)"] This had the framework that supported the tail replaced by a single boom.
Examples of the Harakka I and Harakka II are preserved at the
Suomen ilmailumuseo
The Finnish Aviation Museum ( fi, Suomen ilmailumuseo, sv, Finlands flygmuseum) is a museum specialising in aircraft, located near Helsinki Airport in Veromies, Vantaa, Finland.
History
The Aviation Museum Society ( fi, Ilmailumuseoyhdistys ry) ...
["Aircraft on display" ic/nowiki>] and the
Karhulan ilmailukerho Aviation Museum
Karhulan Ilmailukerhon Aviation Museum is a museum specialized in aircraft, located at Kymi Airfield in Kotka, Finland. The museum opened in 1992. A new 600 m2 display hall was opened in 1995.
The museum is run by the ''Karhulan Ilmailukerho' ...
,
with the sole Harakka III also preserved at the latter museum.
Variants
* Harakka I - initial version
* Harakka II - strengthened version (several dozen built)
* Harakka III - version with redesigned tail (1 built)
Specifications (Harakka II)
Notes
References
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{{PIK aircraft
1940s Finnish sailplanes
PIK aircraft
Glider aircraft
Aircraft first flown in 1945
High-wing aircraft