Sbach 300
Role Aerobatic aircraft
National origin Germany
Manufacturer XtremeAir
Designer Philippe Steinbach
Status In production (2012)
Variants XtremeAir Sbach 342

The XtremeAir Sbach 300 is a German aerobatic aircraft, designed by Philippe Steinbach and produced by XtremeAir, of Cochstedt. The aircraft is supplied as a complete ready-to-fly-aircraft.[1]

The aircraft bears the company designation XA41, but is marketed under the name Sbach 300,[1] although use of this name was later abandoned.[2]

Design and development

The Sbach 300 is an all-composite design, predominantly constructed of carbon fibre. It features a cantilever low-wing, a single-seat enclosed cockpit under a bubble canopy, fixed conventional landing gear and a single engine in tractor configuration. The aircraft's 7.50 m (24.6 ft) span wing has an area of 11.25 m2 (121.1 sq ft) and mounts full-span ailerons with spades to lighten control forces, which give a roll rate of 450° per second. The standard engine employed is the 315 hp (235 kW) Lycoming IO-580 four-stroke powerplant. The aircraft has an empty weight of 570 kg (1,260 lb) and a gross weight of 850 kg (1,870 lb) for aerobatics and a gross weight of 999 kg (2,202 lb) for non-aerobatic flight.[1][3]

The 300 was later developed into a two-seat version, the XtremeAir Sbach 342, which was introduced in 2007.[1]

Operational history

The Sbach 300 was flown to a German national aerobatic championship in the unlimited class.[1] Seven XA41s were completed by XtremeAir by 2020, with an additional example completed from a kit. Another XA41, powered by a 360 hp (270 kW) Vedeneyev M14P was completed with the name Angry Fish.[2]

Specifications (Sbach 300)

XtremeAir XA-41

Data from Bayerl and XtremeAir[1][3]

General characteristics

  • Crew: one
  • Length: 6.30 m (20 ft 8 in)
  • Wingspan: 7.50 m (24 ft 7 in)
  • Height: 2.3 m (7 ft 7 in) in three-point attitude
  • Wing area: 11.25 m2 (121.1 sq ft)
  • Aspect ratio: 5:1
  • Empty weight: 570 kg (1,257 lb)
  • Gross weight: 850 kg (1,874 lb) for aerobatics
  • Fuel capacity: 245 litres (54 imp gal; 65 US gal)
  • Powerplant: 1 × Lycoming IO-580 six cylinder, air-cooled, four stroke aircraft engine, 235 kW (315 hp)
  • Propellers: 3-bladed constant speed

Performance

  • Maximum speed: 390 km/h (240 mph, 210 kn)
  • Cruise speed: 345 km/h (214 mph, 186 kn)
  • Stall speed: 94 km/h (58 mph, 51 kn)
  • Never exceed speed: 417 km/h (259 mph, 225 kn)
  • Range: 1,500 km (920 mi, 800 nmi)
  • g limits: +/-10
  • Rate of climb: 20.7 m/s (4,070 ft/min)
  • Wing loading: 57.8 kg/m2 (11.8 lb/sq ft) for aerobatics

See also

References

  1. 1 2 3 4 5 6 Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 170. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
  2. 1 2 Simpson, Longley & Swan 2022, p. 100.
  3. 1 2 XtremeAir. "Specification". Retrieved 6 September 2017.
  • Simpson, Rod; Longley, Pete; Swan, Robert (2022). The General Aviation Handbook: A Guide to Millennial General Aviation Manufacturers and their Aircraft. Tonbridge, Kent, UK: Air-Britain (Trading) Limited. ISBN 978-0-85130-562-2.
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