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The PIK-11 ''Tumppu'' ("Mitten") was a single-seat, single-engine sport aircraft developed in Finland in the 1950s.
[Taylor 1989, p.726] It was a low-wing, cantilever monoplane of conventional design with an enclosed cockpit and fixed, tailwheel undercarriage.
["PIK-sarjan lentokoneet"] It was to be the first powered aircraft produced by
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 ...
,
with the objective being building an aircraft for club use that was cheap to build and easy to fly.
Design work was started in 1948 by Kai Mellen and Ilkka Lounanmaa under the direction of Professor Arvo Ylinen.
The first of four machines made its first flight on 15 March 1953.
The prototype is preserved at the
Finnish Aviation Museum,
["Item Collection: Aircraft"] and another example was still listed on the Finnish Civil Aviation Authority registry in 2008.
[''Summary of the Finnish Aircraft Register'' 2008, Part I page 44]
In the early 21st century, a flying replica was under construction, to be powered by a
Rotax 912
The Rotax 912 is a horizontally-opposed four-cylinder, naturally aspirated, four-stroke aircraft engine with a reduction gearbox. It features liquid-cooled cylinder heads and air-cooled cylinders. Originally equipped with carburetors, late ...
engine.
[<"Lentokoneen rakennusprojekti PIK-11 'Tumppu'"]
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{{PIK aircraft
1950s Finnish sport aircraft
PIK aircraft
Single-engined tractor aircraft
Low-wing aircraft
Aircraft first flown in 1953