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The Yakovlev Yak-50 (Russian: Яковлев Як-50) aerobatic aircraft is a single-seat all-metal low-wing monoplane with retractable main wheels and exposed tail wheel. The control surfaces are fabric-covered to save weight. The aircraft is not equipped with flaps.

Yak-50
Role Trainer/aerobatic aircraft
Manufacturer Yakovlev
First flight 25 June 1975
Produced 1975-1986
Number built 314
Developed from Yakovlev Yak-18
Variants Yakovlev Yak-52
One of the survivors
One of the survivors
VH-DZY's cockpit
VH-DZY's cockpit

The supercharged engine may be the Vedeneyev M14P (standard production line version), M14PF or M14R, producing between 360 and 450 hp and driving the propeller via a reduction gearbox. The landing gear, brakes and engine starter are operated by compressed air. Replenished by an engine-driven compressor, the main and emergency air bottles are contained within the forward fuselage between the firewall and fuel tanks.

The Yak-50 has fine handling characteristics[citation needed] enhanced by a relatively high power-to-weight ratio. It has a tough and agile airframe - the type was twice World Aerobatic Champion. It has been used as a military trainer by several countries.

Aircraft serving with the Soviet National Aerobatic team were typically scrapped after about 50 flight hours, due to the intense stresses imposed on the airframe during unlimited aerobatics. There were numerous cases of main spar failure; among its victims were the 1976 World Aerobatic Champion Viktor Letsko and many others.

Two modifications (Service Bulletin 61DA for S/N 0102-2007 and Service Bulletin 79 for S/N 1201-2806) were made to strengthen the wings spars for the extreme loads experienced during unlimited aerobatics, and no further failures occurred.[citation needed]

Other aircraft serving with DOSAAF were "officially" scrapped or placed into storage after they were superseded by the Yak-55 and Su-26.

It is these aircraft that form the bulk of airworthy "survivors" today.[1] Only a few (approx. 90+) are airworthy and remain in private hands in Europe, the USA, Australia and Canada.


Operators


 Lithuania
 Russia
 Ukraine
 Soviet Union

Specifications


Data from [citation needed]

General characteristics

or 298 kW (400 hp) M-14PF or 336 kW (451 hp) M-14R

Performance

16 m/s (52 ft/s) at take-off power

References


  1. "Yak-50s The Survivors". p. 1. Retrieved 2009-05-09.
  2. Lednicer, David. "The Incomplete Guide to Airfoil Usage". m-selig.ae.illinois.edu. Retrieved 16 April 2019.

На других языках


[de] Jakowlew Jak-50

Die Jakowlew Jak-50 (russisch Яковлев Як-50) ist ein sowjetisches Sportflugzeug aus dem Entwicklungsbüro Jakowlew. Es entstand als Weiterentwicklung der Jak-18PS und wurde 1976 durch einen Sieg bei den VIII. Weltmeisterschaften der FAI im Motorkunstflug einer breiten Öffentlichkeit ein Begriff.
- [en] Yakovlev Yak-50 (1975)

[fr] Yakovlev Yak-50

Le Yak-50 (Russe: Яковлев Як-50) est un avion de voltige et d'entrainement monoplace, d'origine soviétique, fabriqué au cours des années 1970. Il permit de remporter deux titres de champion du monde de voltige

[it] Yakovlev Yak-50

Lo Yakovlev Yak-50 (in cirillico Яковлев Як-50)[2] è un aereo acrobatico monomotore ad ala bassa progettato dall'OKB 115 Jakovlev diretto da Aleksandr Sergeevič Jakovlev e sviluppato in Unione Sovietica dalla metà degli anni settanta.

[ru] Як-50

Як-50 — советский учебно-тренировочный самолёт, одноместный цельнометаллический моноплан с низкорасположенным свободнонесущим крылом.



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