FLUGWAG Bremen ESS 641

The FLUGWAG Bremen ESS 641 was a 1970s German glider-towing monoplane designed and built by the Flugwissenschaftliche Arbeitsgemeinschaft Bremen research organisation.[1]

ESS 641
Role Glider tug
National origin Germany
Manufacturer Flugwissenschaftliche Arbeitsgemeinschaft Bremen
First flight 17 September 1971

Design and development

The ESS 641 is a low-wing cantilever monoplane with a fixed tail-wheel landing gear.[1] Powered by a 180 hp (134 kW) Avco Lycoming O-360 flat-four piston engine.[1] The pilot had an enclosed cockpit with a transparent canopy.[1]

Specifications

Data from The Illustrated Encyclopedia of Aircraft[1]

General characteristics

  • Crew: 1
  • Length: 23 ft 11.5 in (7.30 m)
  • Wingspan: 34 ft 5.5 in (10.50 m)
  • Height: 7 ft 4.5 in (2.25 m)
  • Wing area: 177.61 sq ft (16.50 m2)
  • Empty weight: 1,221 lb (554 kg)
  • Gross weight: 1,543 lb (700 kg)
  • Powerplant: 1 × Avco Lycoming O-360-A3A flat-four piston engine , 180 hp (134 kW)

Performance

  • Maximum speed: 124 mph (200 km/h, 108 kn)

References

Notes

  1. Orbis 1985, p. 1635

Bibliography

  • The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing.
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