| General Information | |
|---|---|
| Type | A-21M 'Solo' |
| Function | Sport |
| Year | 1991 |
| Crew | 1 |
| Powerplant | |
| Type | Hirth-2706 (Rotax-503) |
| Power | 63(46)hp |
| Size | |
| Length | 4.73m |
| Height | 1.84m |
| Wingspan | 6.65m |
| Wing area | 6m2 |
| Weights and loads | |
| Empty | 180kg |
| Maximum Takeoff | 280kg |
| Wing Load (kg/m2) | 46.7 |
| Power load (kg/hp) | 4.44(6.09) |
| Speed | |
| Maximum | 190km/h |
| Cruising | 150km/h |
| Stall | 75km/h |
| Maneuverability | |
| Turn time | ?sec |
| g-Limits | +6-3 |
| Roll | |
| Required airstrip | 100m |
| Range | |
| Normal | 215km |
| Ferry (Max.Fuel) | 466km |
| Ceiling | |
| Ceiling | ?m |
| Climb | |
| at 0m | 5m/sec |
| Payload | |
| Fuel, normal | 22.5l |
| Fuel, ferry | 54l |
The light airplane A-21 "SOLO" is designed for sporting and diverting flights, all-tours, patrol. Aircraft was designed within 7 months after 'old' public volunteer design bureau 'Aeropract' (established in 1974) became a commercial firm. Its' success proved that the new "Aeroprakt" is ready to compete on the market of light general aviation. As a result, KB obtained a certificate of designer and manufacturer.
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A-21 construction is based on the single-seater A-11 design. First variant (three built) was powered by RMZ-640 "Bouran" engine. Second batch A-21R with 46hp Rotax-640 engine became the first of "Aeroprakt" product to be exported: two A-21R were sold to Great Britain. Those aircraft are still in service and doing well.
Latest A-21M is serious revision of a design. It became a 100% composite airplane. New matrixes were developed specially for A-21M at AvtoVAZ automotive factory. Fuselage shape was improved, cockpit became more spacious and comfortable. Outer wing panels may be detached for storage in 15 minutes. A-21M passed JAR VLA certification in the Great Britain under new nickname "Viper" in category of very light aircraft, taking into account the corresponding sections FAR-23. Cockpit equipment allows operate A-21M in daylight under good weather conditions.
A-21M "Solo/Viper" was demonstrated on airfares in Russia, Great Britain, Germany France, Italy. It has shown itself to be a reliable, simple and economical aircraft. On American market, it will appear as a kit and ARTF (Almost Ready To Fly).
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| Predecessors | Modifications |
|---|---|
| A-11 "Hamlet" | None |
| Created December 22, 2000 |
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