Schleicher ASH 31

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ASH 31
300px
Schleicher ASH 31 Mi during its first flight
Role Open-class sailplane
National origin Germany
Manufacturer Schleicher
Designer Martin Heide
First flight 21 April 2009[1]
Number built 100 as of 2013[2]
Unit cost
US$200,475[3]

The ASH 31 is a single seat Open Class glider which can also be flown in the 18 metre class configuration.

Design and development

The ASH 31 was announced at the end of 2008 by Alexander Schleicher. The glider was developed as a replacement for the ASH 26.[4] The self-launching Mi version is powered by a 41 kW (55 hp) Wankel engine.[5]

The improvements over the ASH 26 and ASG 29 are given as:

  • Extended ailerons
  • Redesigned wing structure

Variants

ASH 31
Production aircraft with 18-metre or 21-metre wingspan.
ASH 31 Mi
The motor-glider production aircraft with 18-metre or 21-metre wingspan, capable of self launching with an engine and retractable propeller.

Specifications (21-metre)

Data from Schleicher.[6]

General characteristics

  • Crew: One
  • Capacity:
    • 115 kg (253 lb) max. pilot weight
    • 140 kg (308 lb) max. water ballast in wing
  • Length: 7.07 m (23 ft 2 in)
  • Wingspan: 21 m (68 ft 11 in) including winglets
  • Wing area: 13.2 m2 (142 sq ft)
  • Aspect ratio: 33.5
  • Empty weight: 430 kg (948 lb)
  • Max takeoff weight: 700 kg (1,543 lb)
  • Fuel capacity:
    • 16 l in fuselage fuel tank
    • 46 l with 2 wing fuel tanks
  • Powerplant: 1 × Austro Engine IAE 50R-AA single rotor Wankel engine, 41 kW (55 hp) [7]
  • Propellers: 2-bladed, 1.55 m (5 ft 1 in) diameter (retractable)

Performance

  • Rate of climb: 4 m/s (790 ft/min)
  • Wing loading: 53.0 kg/m2 (10.9 lb/sq ft) max

See also

Aircraft of comparable role, configuration and era
Related lists

Notes

  1. ↑ Maiden flight of the new ASH 31 Mi 2009.
  2. ↑ ASH 31 Mi serial number 100 delivered 2013.
  3. ↑ Eastern Sailplane Catalog ASH 31 Mi 2014.
  4. ↑ ASH 31 Mi Design Description 2014.
  5. ↑ ASH 31 Mi Brochure 2011.
  6. ↑ ASH 31 Mi Technical Data 2014.
  7. ↑ AE50R Technical Data Sheet 2010.

References

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External links

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