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The Weller ULI NG (New Generation), sometimes called the Weller Uli NG, is a German ultralight aircraft, designed and produced by Weller Flugzeugbau of Bibersfeld. It was introduced at the Aero show held in Friedrichshafen in 2010. The aircraft is supplied as a complete ready-to-fly-aircraft.[1][2]
| ULI NG | |
|---|---|
 | |
| Role | Ultralight aircraft |
| National origin | Germany |
| Manufacturer | Weller Flugzeugbau |
| Introduction | 2010 |
| Status | In production (2012) |
| Developed from | Egon Scheibe Uli 1 |
Design and development
The aircraft is derived from the Egon Scheibe Uli 1 and was re-designed to comply with the German 120 kg (265 lb) class ultralight rules. It features a cable-braced high-wing, a single-seat open cockpit without a windshield, fixed conventional landing gear and a single engine in pusher configuration.[1][2][3]
The aircraft fuselage is made from welded steel tubing, the wing built from bolted-together aluminum tubing, with its flying surfaces covered in aircraft fabric. Its 9.68 m (31.8 ft) span wing has an area of 12.78 m2 (137.6 sq ft), giving a very light wing loading of 17.0 kg/m2 (3.5 lb/sq ft). The standard engine available is the 30 hp (22 kW) Briggs & Stratton industrial four-stroke powerplant with a V-belt reduction drive, powering a two bladed wooden propeller. The engine burns 5 litres (1.1 imp gal; 1.3 US gal) per hour at cruise. The aircraft's 18 litres (4.0 imp gal; 4.8 US gal) fuel tank is detachable for refueling and is filled with premium auto-fuel. The design incorporates a ballistic parachute whole-aircraft rescue system that includes an ignition cut-off upon firing.[1][2][3]
Specifications (version)
Data from Bayerl, Tacke and Weller[1][2][3]
General characteristics
- Crew: one
- Length: 5.92 m (19 ft 5 in)
- Wingspan: 9.68 m (31 ft 9 in)
- Wing area: 12.78 m2 (137.6 sq ft)
- Empty weight: 119.5 kg (263 lb)
- Gross weight: 220 kg (485 lb)
- Fuel capacity: 18 litres (4.0 imp gal; 4.8 US gal) removable tank
- Powerplant: 1 × Briggs & Stratton two cylinder, air-cooled, four stroke aircraft engine, with a V-belt reduction drive, 22 kW (30 hp)
- Propellers: 2-bladed wooden
Performance
- Maximum speed: 95 km/h (59 mph, 51 kn)
- Cruise speed: 80 km/h (50 mph, 43 kn)
- Stall speed: 45 km/h (28 mph, 24 kn)
- Range: 150 km (93 mi, 81 nmi)
- Endurance: 2:30 plus reserve
- Rate of climb: 2 m/s (390 ft/min)
- Wing loading: 17.0 kg/m2 (3.5 lb/sq ft)
References
- Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 84. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
- Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, page 88. Flying Pages Europe SARL, 2015. ISSN 1368-485X
- Weller Flugzeugbau. "Weller Uli NG". Weller-flugzeugbau.de. Retrieved 13 September 2012.
External links
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