DTA J-RO

The DTA J-RO (transl. gyro) is a French autogyro designed and produced by DTA sarl of Montélimar. The aircraft is supplied complete and ready-to-fly.[1]

J-RO
Role Autogyro
National origin France
Manufacturer DTA sarl
Status In production (2017)

Design and development

The J-RO was designed to combine the advantages of an ultralight trike with an autogyro. As such it is a "Cabriolet" (convertible) design whereby the gull-winged doors are removable to allow open air flight in the summertime and an enclosed cockpit for cooler weather. The doors are a factory option and may be purchased and installed later.[1]

The design features a single main rotor, a two-seats-in side-by-side configuration enclosed or open cockpit with a windshield, tricycle landing gear with wheel pants and a four-cylinder, liquid and air-cooled, four stroke 100 hp (75 kW) Rotax 912ULS or turbocharged 115 hp (86 kW) Rotax 914 engine in pusher configuration. It has a Kevlar belt-driven pre-rotator for the main rotor.[1][2]

The aircraft fuselage is made from carbon fiber reinforced polymer. Its two-bladed rotor has a diameter of 8.60 m (28.2 ft) and a chord of 21.3 cm (8.4 in). The aircraft has a typical empty weight of 282 kg (622 lb) and a gross weight of 560 kg (1,235 lb), giving a useful load of 278 kg (613 lb). With full fuel of 68 litres (15 imp gal; 18 US gal) the payload for the pilot, passenger and baggage is 229 kg (505 lb).[1]

In noise testing for acceptance in Switzerland the design produced 62.4 dB. The Swiss testing requires the design produce no more than a maximum of 65 dB for this class of aircraft.[2]

Specifications (J-RO)

Data from Tacke[1]

General characteristics

  • Crew: one
  • Capacity: one passenger
  • Empty weight: 282 kg (622 lb)
  • Gross weight: 560 kg (1,235 lb)
  • Fuel capacity: 68 litres (15 imp gal; 18 US gal)
  • Powerplant: 1 × Rotax 914 four cylinder, liquid and air-cooled, four stroke turbocharged aircraft engine, 86 kW (115 hp)
  • Main rotor diameter: 8.60 m (28 ft 3 in)
  • Main rotor area: 58 m2 (620 sq ft)
  • Propellers: 3-bladed composite

Performance

  • Maximum speed: 180 km/h (110 mph, 97 kn)
  • Cruise speed: 160 km/h (99 mph, 86 kn)
  • Disk loading: 9.65 kg/m2 (1.98 lb/sq ft)

See also

References
  1. Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, page 192. Flying Pages Europe SARL, 2015. ISSN 1368-485X
  2. DTA sarl (2012). "J-Ro Cabriolet Made by DTA". www.dta.fr. Archived from the original on 11 November 2017. Retrieved 10 November 2017.
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