Gyro-Kopp-Ters Twin Eagle

Last updated

Twin Eagle
Role Autogyro
National origin United States
Manufacturer Gyro-Kopp-Ters
DesignerBob and Arden Kopp
StatusIn production (2015)

The Gyro-Kopp-Ters Twin Eagle is an American autogyro, designed by Bob and Arden Kopp and produced by their company, Gyro-Kopp-Ters of Lake City, Florida. The aircraft is supplied as a kit for amateur construction or as a complete ready-to-fly-aircraft. [1] [2]

Contents

Design and development

The Twin Eagle features a single main rotor, a two-seats-in tandem open cockpit with a windshield, tricycle landing gear with wheel pants and a four-cylinder, air-cooled, four-stroke, 120 hp (89 kW) Subaru EJ-22 automotive conversion engine in pusher configuration. [1] [2]

The aircraft mounts a 28 ft (8.5 m) diameter Dragon Wings main rotor made by Rotor Flight Dynamics, with a chord of 7 in (17.8 cm). Standard equipment fitted includes a hydraulic pre-rotator and dual controls. The propeller used is a four bladed Powerfin composite, ground adjustable type with a 68 in (1.73 m) diameter. The aircraft has an empty weight of 675 lb (306 kg) and a gross weight of 1,210 lb (549 kg), giving a useful load of 535 lb (243 kg). [1] [3]

The company estimates the assembly time from the supplied kit as 120 hours. [3]

Operational history

By November 2017 two examples had been registered in the United States with the Federal Aviation Administration. [4]

Specifications (Twin Eagle)

Data from Bayerl and Gyro-Kopp-Ters [1] [3]

General characteristics

Performance

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References

  1. 1 2 3 4 Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 182. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
  2. 1 2 Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, page 195. Flying Pages Europe SARL, 2015. ISSN   1368-485X
  3. 1 2 3 Gyro-Kopp-Ters (January 2, 2009). "Specifications". Archived from the original on September 21, 2013. Retrieved January 3, 2013.
  4. ↑ Federal Aviation Administration (November 18, 2017). "Make / Model Inquiry Results" . Retrieved November 18, 2017.[ permanent dead link ]
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