ChAI-20
| ChAI-20 | |
|---|---|
| Type: | Sport plane |
| Design country: | |
| Manufacturer: | |
| First flight: |
June 25, 1967 |
| Commissioning: |
- |
| Production time: |
1963-1966 |
| Number of pieces: |
1 |
The ChAI-20 ( Russian ХАИ-20 ) is a single-engine, single-seat sport aircraft that was developed, manufactured and flown by a group of students at the Kharkiv Aviation Institute from 1963 to 1966 under the direction of W. W. Reshetnikov and W. P. Lyuzhnin .
development
It was based on the non-executed ChAI-18 and was equipped with a commercially available aircraft engine after the failure of the ChAI-19 . The Kharkiv Aircraft Plant supported the institute with the construction work.
The machine took off on its maiden flight on June 25, 1967 . In the following test program, a speed range of up to 180 km / h and flight altitudes of up to 2000 m were found to be good. Simple aerobatic maneuvers could also be performed. A total of 15 flights were carried out.
construction
The low-wing aircraft made of wood, metal and plastic had a non-retractable nose wheel landing gear and a closed cockpit with a removable hood. The wing had electrically operated slotted flaps. The engine drove an adjustable two-blade pusher propeller made of metal.
Technical specifications
| Parameter | Data |
|---|---|
| crew | 1 |
| span | 10.44 m |
| length | 6.80 m |
| Wing area | 10.2 m² |
| Empty mass | 350 kg |
| Max. Takeoff mass | 500 kg |
| Top speed | 270 km / h |
| Cruising speed | 190 km / h |
| Service ceiling | 8600 m |
| Engine | 1 × hanging 4-cylinder in- line engine Avia M 332 |
| power | 103 kW (140 PS) |
Web links
- ХАИ-20. Retrieved January 5, 2019 (Russian).