Aeroprakt A-22
From Wikipedia, the free encyclopedia
| A-22 Foxbat | |
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The Aeroprakt A-22 Foxbat |
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| Type | Sports Light Aircraft |
| Manufacturer | Aeroprakt |
| Designed by | Yuri Yakovlev |
| Introduced | 2000 |
| Status | In production as a kit plane |
| Primary users | Private aviators Flight schools |
| Produced | 2000 to present |
| Unit cost | £38,152 |
The Aeroprakt A-22 "Foxbat" is a two seater Ultralight made with pilot comfort in mind. In the USA the A-22 is refered to as a "Valor"[1], while in the UK its refered to as the "Foxbat", as a nod towards its origin's. Visibility is excellent, due to the large amount of glazing, including concave doors, that allow the occupants to look straight. The A-22 uses a 3-axis control system, giving the pilot full control over the aircraft. To save on weight, and instead of separate ailerons and flaps, the A-22 combines them into a single flaperon. The wings are excellent generators of lift, giving a stall speed of 55Kmh (30Kt) with flaperons selected fully down. The wide undercarriage makes this machine just as stable in the ground.[2]
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[edit] Design
The Aeroprakt A-22 is supplied either as "ready-to-fly" factory built aircraft, or as a kit, consisting of some 152 pieces. The Kit can be built single handedly in around 500 hours, except for a few jobs where an extra pair of hands would be invaluable. The kit comes with either the 80hp Rotax 912 or, the more powefull 100hp Rotax 912S. Originally the A-22 came fitted with a 40 litre inboard fuel tank behind the seats although later models have wing tanks holding 37.5 litres per side. The propellor is a 3-blade composite KievProp, which is ground adjustable and is also considered very quiet. Dual controls come as standard, with a single "Y" yoke being employed, allowing either pilot or passenger to control the aircraft. There is also the option of the slightly more expensive twin yoke control system. The A-22's structure is almost completely all-metal with only the engine cowling, wing fillets and wheel spats being made of composites. The wings and control surfaces are fabric covered.
[edit] Background
The Aeroprakt company, based in Kiev Ukraine, was founded in 1991. Appart from the A-22, Aeroprakt also designed the A-20, A-24, A-26 and the A-36, although, at this time, the A-26 is not in production, and the A-36 is currently still a prototype.[3] Aeroprakt employ about 50 staff, consisting of highly qualified specialists, who have great work experience at other Ukrainian aircraft manufacturers, for example: Antonov ASTC, "Quazar" and "Tochelectropribor". Aeroprakt claim to have another 10 specialists working with the company on a contract basis At present the production facilities consist of 2000 square meters of floor space.
[edit] Specifications of the A-22
General characteristics
- Crew: 1 pilot
- Capacity: 1 passenger
- Length: 6.3 m (22.66 foot)
- Wingspan: 10 m (32.8 foot)
- Height: 2.4 m (7.87 foot)
- Wing area: 13.7 m2 (147.465 foot2)
- Empty weight: 260 kg (569 lbs)
- Max takeoff weight: 450 kg (992 lbs)
- Powerplant: 1× Rotax 912 or 912S flat-4 engine, 80 hp (or 100hp) 3 blade fixed propeller
Performance
- Maximum speed: 122 mph (106 knots, 196 km/h)
- Stall speed: 30 mph (26 knots, 48 km/h) unpowered, flaps down
- Rate of climb: 1100 ft/min (6 m/s)
[edit] References
- ^ http://www.fpna.com/a22.htm The USAs website for the Aeroprakt A-22
- ^ http://www.foxbat.co.uk/intro.htm The UK 'Foxbat' website
- ^ http://www.aeroprakt.kiev.ua/eng_html/about_head.htm Aeroprakts official "About" page

