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ADI Bumble Bee

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ADI Bumble Bee
Type Ultralight autogyro
Manufacturer Aircraft Designs Inc
Designed by Martin Hollman
Maiden flight 1983
Status In use as homebuilt aircraft
Primary user Individual civilians

The ADI Bumble Bee is an ultralight gyrocopter, the first of its kind when it flew in 1983 and still available in plans form for home-building. It was designed by Martin Hollmann after a back injury (sustained in the crash of the ADI Condor) prevented him from flying his previous design (the ADI Sportster) on account of not being able to lift the rotor assembly.

Specifications (ADI Bumble Bee)

General characteristics

  • Crew: 1
  • Length: 10 ft (3.1 m)
  • Rotor diameter: 23 ft (7.0 m)
  • Height: 7 ft 6 in (2.5 m)
  • Disc area: 415 ft² (38.6 m²)
  • Empty weight: 213 lb (97 kg)
  • Loaded weight: 500 lb (230 kg)
  • Powerplant:Rotax 446, 40 hp (30 kW)


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