Schleicher ASH 31: Difference between revisions
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|eng1 name=[[Austro Engine]] [[Austro Engine AE50R|IAE 50R-AA]] |
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Latest revision as of 01:19, 11 December 2022
ASH 31 | |
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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] |
The ASH 31 is a single seat Open Class glider which can also be flown in the 18 metre class configuration.
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
- Jonker JS-1 Revelation (21m version)
- Lange Antares 23E
- Schempp-Hirth Quintus
Related lists
Notes
[edit]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.