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Schleicher ASH 31

Summary

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

ASH 31
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]

Design and development edit

The ASH 31 was announced at the end of 2008 by Alexander Schleicher. The glider was developed as a replacement for the ASH 26.[3] The self-launching Mi version is powered by a 41 kW (55 hp) Wankel engine.[4]

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

  • Extended ailerons
  • Redesigned wing structure

Variants edit

ASH 31
Production aircraft with a wingspan of either 18-metres or 21-metres.
ASH 31 Mi
Production aircraft with a retractable engine and propeller for self-launching. It can be flown with a wingspan of either 18-metres or 21-metres.

Specifications (21-metre) edit

Data from Schleicher.[5]

General characteristics

  • Crew: One
  • Capacity:
    • 115 kg (254 lb) max. pilot weight
    • 140 kg (310 lb) max. water ballast in the 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 (3.5 imp gal; 4.2 US gal) in fuselage fuel tank
    • 46 L (10 imp gal; 12 US gal) with 2 wing fuel tanks
  • Powerplant: 1 × Austro Engine IAE 50R-AA single rotor Wankel engine, 41 kW (55 hp) [6]
  • Propellers: 2-bladed, 1.55 m (5 ft 1 in) diameter (retractable)

Performance

  • Rate of climb: 4 m/s (790 ft/min)
  • Lift-to-drag: 56[7]
  • Wing loading: 53.0 kg/m2 (10.8 lb/sq ft) max

See also edit

Aircraft of comparable role, configuration, and era

Related lists

Notes edit

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

References edit

  • "Colour brochure ASH 31 Mi (german / english)" (PDF). Alexander Schleicher GmbH & Co. Segelflugzeugbau. Retrieved 22 July 2014.
  • "ASH 31 Mi Technical Data". Alexander Schleicher GmbH & Co. Segelflugzeugbau. Retrieved 22 July 2014.
  • "ASH 31 Mi Design Description". Alexander Schleicher GmbH & Co. Segelflugzeugbau. Retrieved 22 July 2014.
  • "Maiden flight of the new ASH 31 Mi". Alexander Schleicher GmbH & Co. Segelflugzeugbau. April 2009. Retrieved 1 August 2014.
  • "ASH 31 Mi serial number 100 delivered". Alexander Schleicher GmbH & Co. Segelflugzeugbau. November 2013. Retrieved 1 August 2014.
  • "Eastern Sailplane Catalog ASH 31 Mi". Eastern Sailplane, Inc. January 2014. Retrieved 1 August 2014.
  • "AE50R Technical Data Sheet" (PDF). Austro Engine GmbH. Retrieved 22 July 2014.

External links edit

 
Wikimedia Commons has media related to Schleicher ASH 31 Mi.
  • Schleicher website

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