Binder EB29

EB29
General information
Type	Open-class self-launched sailplane
National origin	Germany
Manufacturer	Binder Motorenbau
History
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

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)

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

1. "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. 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)