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Aero L-29 DelfinThe Aero L-29 ''Delfin (Czech: "Dolphin", NATO reporting name: 'Maya''') was a military jet trainer aircraft that became the standard jet trainer for the air forces Warsaw Pact nations in the 1960s. It was Czechoslovakia's first locally designed and built jet aircraft. Development In the late 1950s, the Soviet Air Force was seeking a jet-powered replacement for its fleet of piston-engined trainers, and this requirement was soon broadened to finding a trainer aircraft that could be adopted in common by Eastern Bloc air forces. Aero's response, the prototype XL-29 designed by designed by Z. Rubli and K. Tom first flew on April 5 1959, powered by a British Bristol Siddeley Viper engine. In 1961, the L-29 was evaluated against the PZL TS-11 Iskra and Yakovlev Yak-30 and emerged the winner. Poland chose to pursue the development of the TS-11 Iskra anyway, but all other Warsaw Pact countries adopted the Delfin. Production began April 1963 and continued for 11 years, with 3,500 eventually built. A dedicated, single-sear acrobatic version was developed as the L-29A ''Akrobat. A reconnaissance version with nose-mounted cameras was built as the 'L-29R''' Operational history L-29s served in basic, intermediate, and weapons training capacities. For this latter role, they were equipped with hardpoints to carry gunpods, bombs, or rockets, and thus armed, Egyptian L-29s were sent into combat against Israeli tanks during the Yom Kippur War. The L-29 was supplanted in the inventory of many of its operators by the Aero L-39 Albatros Description Mid-wing jet trainer aircraft with accommodation for student and instructor in tandem. Single jet engine with intakes in wing roots. Conventional tail and tricycle undercarriage. Users Ex-military L-29s are proving popular on the civil warbird market. Specifications (L-29) General Characteristics - Crew: two, student and instructor
- Length: 10.81 m (35 ft 6 in)
- Wingspan: 10.29 m (33 ft 9 in)
- Height: 3.13 m (10 ft 3 in)
- Wing area: 19.8 m² (213 ft²)
- Empty: 2,280 kg (5,030 lb)
- Loaded: 3,286 kg (7,244 lb)
- Maximum takeoff: 3,540 kg (7,800 lb)
- Powerplant: 1x Motorlet M-701C, 8.7 kN (1,960 lbf) thrust
Performance - Maximum speed: 655 km/h (407 mph)
- Range: 900 km (560 miles)
- Service ceiling: 11,500 m (37,700 ft)
- Rate of climb: 840 m/min (2,760 ft/min)
- Wing loading: 166 kg/m² (34.3 lb/ft²)
- Thrust-to-weight: 1 kgf:3.7 kg (2.7 N/kg)
Armament - hardpoints for 200 kg (440 lb) of various guns, bombs, rockets, and missiles
Related content Related development: Comparable aircraft: PZL TS-11 Iskra - Fouga Magister - Aermacchi MB-326 Designation sequence: L-29 - L-39 - L-59
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