Zmaj Fizir FN

Zmaj Fizir FN
Fizir FN on display in the Museum of Aviation
Role	Trainer (aircraft) Type of aircraft
National origin	Yugoslav
Manufacturer	Zmaj aircraft , Rogožarski Albatros Sremska Mitrovica
Designer	Rudolf Fizir, Dušan Stankov and Ivan Rukavina
First flight	May 1929[1]
Introduction	1931
Retired	1950
Primary user	Yugoslav Royal Air Force
Number built	206[2]+ 4 Floatplane[3]

The Zmaj Fizir FN (Serbian Cyrillic: Змај Физир ФН) was a plane designed for primary (initial) training of pilots in Yugoslavia before World War II. It was constructed in Zmaj, a Zemun-based factory, in the Rogožarski factory in Belgrade, and Albatros in Sremska Mitrovica.

Fizir FN had an exceptional low-speed stability, a desirable trait for a training aircraft, and was reliable and easy to maintain.^[4] It was also widely used as a sport aircraft.^[1]

Design and development

The first prototype of Fizir FN (Fizir trainer) aircraft was designed and manufactured in Rudolf Fizir Workshop in Petrovaradin in 1929. Rudolf Fizir's workshop lacked any mass production capacity, their specialty being design work and prototyping. Although small, this workshop played a significant role in the development of Yugoslav aeronautics and trained engineers.^[5] Some prototypes from this workshop were later produced in Yugoslav airplane factories.

Fizir FN was a single-engine two-seat

were located on both the lower and upper wings. The landing gear was attached to the fuselage. Early examples used coil springs with rubber blocks while later examples used oleo pneumatic suspension. The wood structure of the fuselage and the wings was covered with fabric. While the aircraft was in production, it was continually being refined, and there were several sub-types with different engines.

Operational history

The first three aircraft was produced by the Zmaj aircraft factory for the Aero Club.

During World War II, Yugoslav-manufactured aircraft were used by Italy in Albania, and by the Independent State of Croatia. Aircraft Fizir FN was reliable, easy to fly and maintain, so this plane stayed operative for many years (almost till 1950), as basic pilot training aircraft, both in military and civilian aviation, including sports flying.

There are two surviving Fizir FN aircraft.

Operators

 Kingdom of Yugoslavia

• Royal Yugoslav Air Force 206 aircraft

 Yugoslavia

• SFR Yugoslav Air Force
  – Postwar.
• Letalski center Maribor (Civil operator) – Postwar

 Croatia

• Air Force of the Independent State of Croatia 23^[9] ex-Royal Yugoslav Air Force

 Italy

• Regia Aeronautica

Variants

• Fizir FN – Mercedes – with the engine Mercedes 88 kW,
• Fizir FN – Walter – with the engine Walter NZ-120 88 kW and
• Fizir FN – Walter Mars I – seaplane with the engine Walter Mars I 106 kW, (seaplane nicknamed "Little Fizir" or "Fizir Mars").

Specifications

Data from ^[10]

General characteristics

• Crew: 2
• Length: 8.80 m (28 ft 10 in)
• Wingspan: 11.20 m (36 ft 9 in)
• Height: 3.10 m (10 ft 2 in)
• Wing area: 32.50 m² (349.8 sq ft)
• Empty weight: 820 kg (1,808 lb)
• Gross weight: 1,426 kg (3,144 lb)
• Powerplant: 1 × Walter NZ 120 7-cylinder radial, 88 kW (118 hp)
• Propellers: 2-bladed

Performance

• Maximum speed: 140 km/h (87 mph, 76 kn)
• Cruise speed: 120 km/h (75 mph, 65 kn)
• Range: 540 km (340 mi, 290 nmi)
• Service ceiling: 6,500 m (21,300 ft)

See also

• Rogožarski AZR
• Fizir F1V
• Rogožarski PVT
• Mercedes D.II
• Rudolf Fizir
• Dušan Stankov

Notes

References

• Grey, C.G. (1972). Jane's All the World's Aircraft 1938. London: David & Charles.
  ISBN 0-7153-5734-4
  .
• Gunston, Bill (1989). World Encyclopaedia of Aero Engines (2 ed.). Wellingborough: Patrick Stephens Ltd. p. 95.
  ISBN 1-85260-163-9
  .
• Janic, Cedomir; Ognjan Petroivic (2011). The Century of Sport Aviation in Serbia. Beograd: Aerokomunikacije. pp. 1–16.
• Janić, Čedomir; Petrović, O. (2011). Short History of Aviation in Serbia. Beograd: Aerokomunikacije.
  ISBN 978-86-913973-2-6
  .
• Зачетници авијације, ИРО "Вук Караџић" и "Службени лист СФРЈ", Београд, 1988.
• Д. Лучић: Основи практичне аеродинамике са описима аероплана, Библиотека "Ваздухопловног Гласника", Нови Сад, 1936,
• О. Петровић., Војни аероплани Краљевине СХС/Југославије (Део II: 1931–1941.), Лет 3/2004. Београд, 2004.
• 3. Ж. Вељовић., Пет деценија Змаја, ИПМ Змај Земун, 1972.
• В. Илић., Школе војног ваздухопловства Краљевине СХС/Југославије, Лет 3/2004. Београд, 2004.
• Војна Енциклопедија, Београд, 1971.
• С. Микић; Историја југословенског ваздухопловства, Шт. Д. Грегорић, Београд,1933.
• Ш. Оштрић и М. Мицевски.; Летећи Чунови: Чамци који лете – летилице које плове, Изложба фотографија, Галерија '73, Београд, 14–27. септембра 2007. год.
• В. Микић; Зракопловство НДХ 1941–1945, ВИИВЈ, Београд, 2000.
• Јанић, Чедомир; Петровић, Огњан; (2010.). Век авијације у Србији 1910–2010, 225 значајних летелица (на ((sr))). Београд: Аерокомуникације.
  ISBN 978-86-913973-0-2
  .
• Isaić, Vladimir; Frka Danijel (2010). "Seaplane purchases in the period 1921–1940". Naval Aviation at the eastern coast of the Adriatic Sea 1918–1941. Vol. 1. -{CRO}--Zagreb: Tko zna zna. pp. 147–148.
  ISBN 978-953-97564-6-6
  .
• Fulanović, Davor (2007). "Vrednovanje pokretne tehničke baštine u Tehničkom muzeju : istraživanje, obnova i predstavljanje velikih izložaka - brodskog motora Napier Deltic i aviona Fizir FNH" (PDF). Osječki zbornik (in Croatian). 28. Osijek: Museum of Slavonia: 367–381. Retrieved 10 June 2019.

External links

Wikimedia Commons has media related to Fizir FN.

• https://web.archive.org/web/20120219070818/http://www.goldenyears.ukf.net/
• http://www.airwar.ru/enc/other/fizirfn.html (ru)
• http://www.muzejrv.mod.gov.rs/pages_files/parter_files/partexpo/fn_files/fn.html Archived 2010-04-07 at the Wayback Machine
• http://www.muzejvazduhoplovstva.org.rs/eksponati.php?jez=sr&id=3