Aero L-29A
| Aero L-29A dolphin acrobat | |
|---|---|
 L-29A in the Kunovice Aviation Museum |
|
| Type: | Aerobatic trainer |
| Design country: | |
| Manufacturer: | |
| First flight: |
November 21, 1967 |
| Commissioning: |
1969? |
| Number of pieces: |
2 |
The Aero L-29A Delfin Akrobat is a jet-powered aerobatic aircraft from the Czechoslovak manufacturer Aero . It was not produced in series.
history
The L-29A is a single-seat development of the jet trainer L-29 , which was specially designed for higher aerobatics and aerobatic training. The construction was carried out on the initiative of Aero employees under the direction of Jan Vlček. One of the first prototypes with the serial number 00031 was converted for this purpose. It was the machine that had won the comparison flight against the Jak-30 and the TS-11 in Monino. The prototype received the aircraft registration number 0157. The first flight took place in October 1967 with test pilot Juri Souk. The machine was later given the civil license OK-SZA . A second prototype was built. Both machines were exhibited at the International Engineering Fairs in Brno in 1967 and 1968. The Czech aerobatic pilot Jiři Blaha presented the L-29A to the public in flight at the German Air Show in Hanover in 1968. In 1969 the OK-SZA was presented at the Paris Aerosalon in Le Bourget . Series production did not materialize.
Due to the lower take-off weight compared to the L-29, the L-29A had better flight performance, in particular greater climbing ability and a slightly higher summit height.
construction
The L-29A is a trapezoidal wing center-wing aircraft with T-tail and retractable landing gear. Compared to the L-29, the fuel and lubricant system was modified to achieve longer inverted flight times.
use
The L-29A was intended for use in aviation and the training of fighter pilots. However, it has not been used more widely. At least the machine with the registration OK-SZA was used in an air sports club. This machine is exhibited today in the Czech Aviation Museum in Kunovice .
Technical specifications
| Parameter | Data |
|---|---|
| crew | 1 |
| length | 10.81 m |
| span | 10.29 m |
| height | 3.13 m |
| Wing area | 19.80 m² |
| Wing extension | 5.36 |
| Wing profile | NACA 64 A |
| Wing loading | 131 kg / m² |
| Max. Takeoff mass | 2,600 kg |
| Engine | 1 jet turbine Motorlet M-701 C with 890 kp maximum thrust |
| Tank volume | 1,030 l |
| Top speed | 635 km / h near the ground |
| Minimum speed | 145 km / h (without flaps) 125 km / h (with flaps) |
| Climb performance | 17.3 m / s |
| Rise time | 7 minutes at an altitude of 7,000 m |
| Service ceiling | practically 11,735 m maximum 13,400 m |
| Take-off / landing runway | 330 m / 335 m |
| Take-off / landing distance over 25 m | 735 m / 635 m |
See also
literature
- Karl-Heinz Eyermann : beam trainer . German Military Publishing House, Berlin 1971, p. 56 ff .
Web links
- Aero L-29A Delfín Acrobat (OK-SZA). Retrieved July 14, 2017 (Czech, L-29A from the website of the Kunovice Aviation Museum).
- L-29 dolphin. Retrieved July 14, 2017 (Russian).
Individual evidence
- ^ Heinz A. F. Schmidt: Airplanes from all over the world III . Transpress, Berlin, p. 16 .
- ↑ http://airwar.ru/enc/attack/l29.html , around the beginning of the 2nd third of the text
- ^ Heinz A. F. Schmidt: Luftfahrtschau Hannover 1968 . In: Flieger-Jahrbuch 1969 . Transpress, Berlin 1968, p. 85 .
- ↑ a b Aero L-29 A Delfín. Retrieved August 13, 2020 (Czech).
- ^ Karl-Heinz Eyermann: Strahltrainer, Deutscher Militärverlag, Berlin 1971, p. 56