Zmaj Fizir FN

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Zmaj Fizir FN
Zmaj Fizir FN - Walter
Type: Trainer aircraft
Design country:

Yugoslavia Kingdom 1918Kingdom of Yugoslavia Yugoslavia

Manufacturer:

Prva Srpska Fabrika Aeroplana Zivojin , Rogožarski , Albatros

First flight:

1929

Commissioning:

1931

Number of pieces:

206 + 4 seaplanes

The Zmaj Fizir FN ( Serbian - Cyrillic Змај Физир ФН ) is a two-seat trainer aircraft of the Yugoslav Air Force from before the Second World War . It was produced at Prva Srpska Fabrika Aeroplana Zivojin , Rogožarski and Albatros .

history

The Fizir FN was designed by Rudolf Fizir and the prototype was manufactured in his factory in Petrovaradin in 1929 . However, Rudolf Fizir's factory did not have the capacity for the industrial production of aircraft. Their task was to design and build prototypes. Although small, the factory played an important role in building Yugoslav aviation as it trained aeronautical engineers who later played an important role in the Yugoslav aviation industry. Many successful aircraft were designed and prototypes built here, which were later made in Yugoslav aircraft factories.

construction

The Fizir FN was a two-seat biplane training aircraft with an open cockpit that was propelled by a piston engine. The wings were rounded at the ends and had flaps on the upper and lower wings. The aircraft was a fabric-covered wooden structure with a fixed tail wheel landing gear . In the course of production, the aircraft was continuously developed, so that several sub-types with different engines were created.

The first three aircraft were produced by the Zmaj aircraft factory for the Aero Club. In view of the excellent flight characteristics, the Yugoslav Air Force decided to procure the aircraft to replace the previously used training aircraft. From the beginning of 1931 Zmaj produced the first 20 Fizir FN series aircraft with a Walter radial engine and 10 with a 120-hp Mercedes in-line engine. By 1939, 137 were manufactured by Zmaj, 40 by Rogožarski and in 1940 another 20 aircraft of this type were produced by Albatros. Before the war, the Navy Air Force ordered four Hydro Fizir FN (seaplane) with floats and a more powerful 106 kW Walter Mars engine. Production of the last ten Fizir FN aircraft for the Croatian Air Force began in Zmaj in 1943, but they were no longer delivered before the end of the war, but were handed over to the Yugoslav Air Force after the liberation. Many fizir were also used by Croatia and Italy during the war . Because the Fizir FN was reliable, easy to fly and maintain, it remained in service for many years after the war.

variants

Zmaj Fizir FN - Walter in the Air Force Museum in Belgrade
Zmaj Fizir FN - Walter on floats in the Technology Museum in Zagreb
  • Fizir FN - Mercedes - with a Mercedes engine with 88 kW,
  • Fizir FN - Walter - with the Walter NZ 120 engine with 88 kW
  • Fizir FN - Walter Mars - seaplane with the Walter Mars engine with 106 kW

Military users

  • Yugoslavia Kingdom 1918Kingdom of Yugoslavia Yugoslavia : Royal Yugoslav Air Force (206 copies) and naval aviators (four seaplanes)
  • Croatia 1941Independent state of Croatia Croatia : 23 copies of the former Royal Yugoslav Air Force
  • Italy 1861Kingdom of Italy (1861-1946) Italy : several copies of the former Royal Yugoslav Air Force
  • Yugoslavia Socialist Federal RepublicYugoslavia Yugoslavia

Technical specifications

Parameter Data
crew 2
length 8.80 m
span 11.20 m
height 3.10 m
Wing area 32.50 m²
Empty mass 820 kg
Max. Takeoff mass 1426 kg
Top speed 120 km / h
Service ceiling 6500 m
Range 540 km
Engines 1 × 7-cylinder radial engine Walter NZ-120 with 88  kW (120  PS )

See also

Web links

Commons : Fizir FN  - collection of images, videos and audio files

Individual evidence

  1. ↑ O. Петровић: Војни аероплани Краљевине СХС / Југославије (Део II: 1931–1941). МВЈ Лет 3, Београд 2004.
  2. ↑ Vladimir Isaić, Danijel Frka: Seaplane purchases in the period 1921–1940. 2010 (English); Naval Aviation at the eastern coast of the Adriatic Sea 1918–1941 (Volume 1). Tko zna zna, Zagreb, ISBN 978-953-97564-6-6 , pp. 147-148
  3. ↑ С. Микић: Историја југословенског ваздухопловства. Шт. Д. Грегорић, Београд 1933.
  4. ↑ Cedomir Janic, Ognjan Petrovic: The Century of Sport Aviation in Serbia . Aerokomunikacije, Beograd 2011, pp. 1-16.
  5. ↑ O. Петровић: Војни аероплани Краљевине СХС / Југославије (Део II: 1931–1941). МВЈ Лет 3, Београд 2004.
  6. ↑ Čedomir Janić: Rogožarski AŽR. In: Aeromagazin. 17, p. 34, ISSN  1450-6068 , p. 34. (Serbian)