EDM Aerotec CoAX 2D/2R

The EDM Aerotec CoAX 2D/2R is a series of German coaxial main rotor helicopters designed and produced by EDM Aerotec of Geisleden. The aircraft is supplied complete and ready-to-fly.[1]

CoAX 2D/2R
Role Helicopter
National origin Germany
Manufacturer EDM Aerotec
First flight 2012
Status In production (2017)
Unit cost
€180,000 (2015)

Design and development

The CoAX 2D/2R was originally known as the FLIP 2 (Fly In Perfection) and is a derivative of the FLIP 1, a conventional helicopter with a main and tail rotor.[1]

The CoAX 2D/2R was designed to comply with the European Class 6 microlight helicopter rules, including the category's maximum takeoff weight of 450 kg (992 lb). Design testing commenced in 2012.[1]

The design features dual coaxial main rotors, a two-seats-in side-by-side configuration enclosed cockpit and skid landing gear with ground handling wheels. The two variants use different power plants. [1]

The aircraft fuselage is made from composites. Its dual composite two-bladed main rotors have a diameter of 6.50 m (21.3 ft). The aircraft has a typical empty weight of 283 kg (624 lb) and a gross weight of 450 kg (992 lb), giving a useful load of 167 kg (368 lb). With full fuel of 48 litres (11 imp gal; 13 US gal) the payload for the pilot, passengers and baggage is 132 kg (291 lb).[1][2]

Variants
CoAX 2D
Current production version in 2017, powered by a six-cylinder, liquid-cooled, four stroke 135 hp (101 kW) D-Motor LF39 engine.[1]
CoAX 2R
Version powered by a four-cylinder, liquid and air-cooled, four stroke 100 hp (75 kW) Rotax 912ULS engine. No longer advertised as available in 2014.[1][2]

Specifications (CoAX 2D)

Data from Tacke and manufacturer[1][2]

General characteristics

  • Crew: one
  • Capacity: one passenger
  • Empty weight: 283 kg (624 lb)
  • Gross weight: 450 kg (992 lb)
  • Fuel capacity: 48 litres (11 imp gal; 13 US gal)
  • Powerplant: 1 × D-Motor LF39 six-cylinder, liquid-cooled, four stroke aircraft engine, 101 kW (135 hp)
  • Main rotor diameter: 2× 6.50 m (21 ft 4 in)
  • Main rotor area: 66.3 m2 (714 sq ft)

Performance

  • Maximum speed: 170 km/h (110 mph, 92 kn)
  • Cruise speed: 150 km/h (93 mph, 81 kn)
  • Disk loading: 6.7 kg/m2 (1.4 lb/sq ft)
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See also

References
  1. Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, page 206. Flying Pages Europe SARL, 2015. ISSN 1368-485X
  2. EDM Aerotec (2014). "Technische Daten CoAX 2D". www.edm-aerotec.de. Retrieved 18 December 2017.
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