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Binder EB29

From Wikipedia, the free encyclopedia

EB29
Role Open-class self-launched sailplane
National origin Germany
Manufacturer Binder Motorenbau
First flight September 2009
Developed from Binder EB28 Edition[1]

The Binder EB29 is a German single-seat, open-class self-launching powered sailplane designed and built by Binder Motorenbau. Its wings are based on those of the earlier EB28, while the fuselage is newly designed.[2]

Variants

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Originally available with wing extensions to give a 28.3 and 29.3 m span. Since March 2011, shorter 25.3 m wings have also been available.[citation needed]

EB29

Initial single seat version developed from the EB28 edition. Available with 25.3 m, 28.3 m or 29.3 m wingspans.[3][1]

EB29D

Two-seat variant. Forward fuselage lengthened by 25 cm to accommodate the second seat. Available with 25.3 m or 28.3 m wingspans.[3][4]

EB29DE

The "EB29DElektro" is an EB29D equipped with an Emrax electric motor. Available with 25.3 m or 28.3 m wingspans.[3][5]

EB29R

Single seat version with a redesigned 28 m "R-wing" for improved performance.[3][6]

EB29DR

Two-seat variant incorporating the lengthened fuselage of the EB29D and the 28 m "R-wing" of the EB29R.[3][7]

Specifications (29m variant)

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Data from [8][9]

General characteristics

  • Crew: 1
  • Length: 8 m (26 ft 3 in)
  • Wingspan: 29.3 m (96 ft 2 in)
  • Height: 1.85 m (6 ft 1 in)
  • Wing area: 16.8 m2 (181 sq ft)
  • Aspect ratio: 51
  • Empty weight: 570 kg (1,257 lb) approximately
  • Gross weight: 850 kg (1,874 lb)
  • Powerplant: 1 × Solo 2625 02 , 48 kW (64 hp)
  • Propellers: 2-bladed Binder BM-G1-160-R-120-1, 1.60 m (5 ft 3 in) diameter

Performance

  • Cruise speed: 160 km/h (99 mph, 86 kn) in powered flight
  • Never exceed speed: 280 km/h (170 mph, 150 kn)
  • Minimum control speed: 74 km/h (46 mph, 40 kn)
  • Maximum glide ratio: 68
  • Rate of climb: 2.5 m/s (490 ft/min) with engine

References

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  1. ^ a b "EB29 single-seater". Binder Flugmotoren- und Flugzeugbau. Retrieved 3 September 2024.
  2. ^ Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 142. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
  3. ^ a b c d e European Union Aviation Safety Agency (EASA) (20 October 2022). TYPE-CERTIFICATE DATA SHEET NO. EASA.A.559 for EB29. EASA. Retrieved 2 September 2024.
  4. ^ "EB29D two-seater". Binder Flugmotoren- und Flugzeugbau. Retrieved 3 September 2024.
  5. ^ "EB29DElektro two-seater". Binder Flugmotoren- und Flugzeugbau. Retrieved 3 September 2024.
  6. ^ "EB29R single-seater". Binder Flugmotoren- und Flugzeugbau. Retrieved 3 September 2024.
  7. ^ "EB29DR two-seater". Binder Flugmotoren- und Flugzeugbau. Retrieved 3 September 2024.
  8. ^ Binder EB 29 (company website)
  9. ^ Die neue Formel Eins (test report, German)