Apollo Delta Jet

The Apollo Delta Jet is a Hungarian ultralight trike, designed and produced by Apollo Ultralight Aircraft of Eger. The aircraft is supplied as a kit for amateur construction or as a complete ready-to-fly-aircraft.[1]

Delta Jet
Role Ultralight trike
National origin Hungary
Manufacturer Apollo Ultralight Aircraft
Status In production (2013)
Unit cost
US$53,000 (Delta Jet AS-III model, assembled, 2011)

Design and development

The aircraft was designed to comply with the Fédération Aéronautique Internationale microlight category and the US light-sport aircraft category. It features a cable-braced or strut-braced hang glider-style high-wing, weight-shift controls, a two-seats-in-tandem, open cockpit, tricycle landing gear with wheel pants and a single engine in pusher configuration.[1]

The Delta Jet is accepted in the United States as both an Experimental and Special Light-sport aircraft.[2][3]

The aircraft is made from bolted-together aluminum tubing, with its double surface wing covered in Dacron sailcloth. The aircraft uses an "A" frame weight-shift control bar. The powerplant options include the twin cylinder, liquid-cooled, two-stroke, dual-ignition 64 hp (48 kW) Rotax 582 engine, the four cylinder, air and liquid-cooled, four-stroke, dual-ignition 80 hp (60 kW) Rotax 912 or 100 hp (75 kW) Rotax 912S engine. In its AS-III model the aircraft has an empty weight of 236 kg (520 lb) and a gross weight of 472.5 kg (1,042 lb), giving a useful load of 236.5 kg (521 lb). With full fuel of 55 litres (12 imp gal; 15 US gal) the payload is 196.5 kg (433 lb).[1]

A number of different wings can be fitted to the basic carriage, including the cable-braced Aeros Profi, the strut-braced Aeros Profi TL and the Apollo Reflex 11 or 13.[1]

Variants
Delta Jet
Base model with an empty weight of 180 kg (397 lb)[1]
Delta Jet AS-III
Equipped model with an empty weight of 236 kg (520 lb)[1]
Delta Jet 2
Improved and fully equipped model[4]

Specifications (AS-III)

Data from Bayerl[1]

General characteristics

  • Crew: one
  • Capacity: one passenger
  • Wingspan: 10.0 m (32 ft 10 in)
  • Wing area: 14.5 m2 (156 sq ft)
  • Empty weight: 236 kg (520 lb)
  • Gross weight: 472.5 kg (1,042 lb)
  • Fuel capacity: 55 litres (12 imp gal; 15 US gal)
  • Powerplant: 1 × Rotax 912ULS four cylinder, liquid and air-cooled, four stroke aircraft engine, 75 kW (101 hp)
  • Propellers: 3-bladed composite

Performance

  • Maximum speed: 160 km/h (99 mph, 86 kn)
  • Cruise speed: 130 km/h (81 mph, 70 kn)
  • Stall speed: 64 km/h (40 mph, 35 kn)
  • Rate of climb: 7 m/s (1,400 ft/min)
  • Wing loading: 32.6 kg/m2 (6.7 lb/sq ft)
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References
  1. Bayerl, Robby; Martin Berkemeier; et al.: World Directory of Leisure Aviation 2011-12, page 204. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
  2. Federal Aviation Administration (7 January 2013). "SLSA Make/Model Directory". Archived from the original on 16 May 2013. Retrieved 10 April 2013.
  3. Experimental Aircraft Association (2013). "EAA's Listing of Special Light-Sport Aircraft". Archived from the original on 28 February 2014. Retrieved 10 April 2013.
  4. Apollo Ultralight Aircraft (n.d.). "Delta Jet 2". Retrieved 10 April 2013.
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