avia.wikisort.org - Aeroplane
The ATEC 122 Zephyr 2000 is a Czech ultralight aircraft, designed by Oldrich Olansky and produced by ATEC v.o.s. of Libice nad Cidlinou. The aircraft is supplied as a complete ready-to-fly-aircraft or as a kit for amateur construction.[2][3][4][5]
| 122 Zephyr 2000 | |
|---|---|
 | |
| Role | Ultralight aircraft and Light-sport aircraft |
| National origin | Czech Republic |
| Manufacturer | ATEC v.o.s. |
| Designer | Oldrich Olansky |
| Introduction | 1996[1] |
| Status | In production |
| Number built | more than 200 |
| Variants | ATEC 321 Faeta |
Design and development
The Zephyr was designed to comply with the Fédération Aéronautique Internationale microlight rules. It features a cantilever low-wing, a two-seats-in-side-by-side configuration enclosed cockpit under a bubble canopy, fixed tricycle landing gear, a T-tail and a single engine in tractor configuration.[2][3][4]
The aircraft's fuselage is made from composites with wooden bulkheads. The semi-tapered 9.6 m (31.5 ft) span wing is made from plywood with composite spars and leading edges and employs a UA-2 airfoil. The wing is covered with doped aircraft fabric. The standard engine factory-supplied was the 100 hp (75 kW) Rotax 912ULS four-stroke powerplant.[2][3][4][5]
The Zephyr is noted for its low payload. With a useful load of 197.5 kg (435 lb) and full fuel of 43 kg (95 lb), this leaves only 154.3 kg (340 lb) for occupants and baggage.[2][3][4]
The Zephyr was later developed into the ATEC 321 Faeta.[2]
Variants
Specifications (122 Zephyr 2000)
Data from Bertrand and Purdy[2][5]
General characteristics
- Crew: one
- Capacity: one passenger
- Wingspan: 9.6 m (31 ft 6 in)
- Wing area: 10.07 m2 (108.4 sq ft)
- Airfoil: UA-2
- Empty weight: 275 kg (606 lb)
- Gross weight: 472.5 kg (1,042 lb)
- Fuel capacity: 60 litres (13 imp gal; 16 US gal)
- Powerplant: 1 × Rotax 912ULS four cylinder, liquid and air-cooled, four stroke, 75 kW (101 hp)
Performance
- Maximum speed: 265 km/h (165 mph, 143 kn)
- Cruise speed: 215 km/h (134 mph, 116 kn)
- Stall speed: 65 km/h (40 mph, 35 kn)
- Rate of climb: 6.5 m/s (1,280 ft/min)
- Wing loading: 46.92 kg/m2 (9.61 lb/sq ft)
References
- ATEC v.o.s. (2015). "Atec, v.o.s. Czech manufacturer of Hi-Tech ultralights". Retrieved 16 January 2015.
- Bertrand, Noel; Rene Coulon; et al: World Directory of Leisure Aviation 2003-04, page 124. Pagefast Ltd, Lancaster UK, 2003. ISSN 1368-485X
- Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 27. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
- Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, page 29. Flying Pages Europe SARL, 2015. ISSN 1368-485X
- Purdy, Don: AeroCrafter - Homebuilt Aircraft Sourcebook, Fifth Edition, page 118. BAI Communications, 15 July 1998. ISBN 0-9636409-4-1
External links
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