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Schleicher ASH 26

From Wikipedia, the free encyclopedia
German glider / motor glider family by Alexander Schleicher, 1993
ASH 26
ASH 26 E
General information
Type18 metre Class sailplane
National originGermany
ManufacturerSchleicher
Designer
Number built258 (ASH 26 E, as of June 2018)[1]
History
First flight1993
Developed intoASH 31

TheASH 26 is an18 metre Classglider, built of modern fibre reinforced composites. It first flew in 1993. It is manufactured byAlexander Schleicher GmbH & Co. The 'H' indicates this is a design ofMartin Heide.

The ASH 26 has plainflaps, a retractableundercarriage and a water ballast system. The structure is a complex composite ofcarbon,aramid andpolyethylene fibre reinforced plastic. The wings have pneumaticturbulators. Of the ASH 26s sold, over 90% are the self-launching version, theASH 26 E;[2] the engine being a liquid cooled Diamond (nowAustro Engine)AE50RWankel rotary engine.

Variants

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ASH 26
Production variant with 18-metre wingspan.
ASH 26 E
Production variant, self launching utilising the 37 kW (50 hp)AE50R engine.

Specifications (ASH 26 E)

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Data from Jane's all the world's aircraft, 1992–93,[3] Schleicher ASH 26 E / ASH 26 brochure[4]

General characteristics

  • Crew: 1
  • Capacity: 110 kg (240 lb) water ballast
  • Length: 7.55 m (24 ft 9 in)
  • Wingspan: 18 m (59 ft 1 in)
  • Height: 1.51 m (4 ft 11 in)
  • Wing area: 11.68 m2 (125.7 sq ft)
  • Aspect ratio: 27.69
  • Airfoil: DU 89-134/14[2]
  • Empty weight: 325 kg (717 lb)
  • Max takeoff weight: 525 kg (1,157 lb)
  • Fuel capacity: maximum: 46 L (12 US gal; 10 imp gal) ; fuselage tank only: 16 L (4.2 US gal; 3.5 imp gal)
  • Powerplant: 1 ×Austro Engine AE50R liquid-cooledWankel rotary engine, 37 kW (50 hp)
  • Propellers: 2-bladed Alexander Schleicher, 1.55 m (5 ft 1 in) diameter

Performance

  • Stall speed: 71 km/h (44 mph, 38 kn)
  • Never exceed speed: 280 km/h (170 mph, 150 kn)
  • Maximum glide ratio: 50:1 at 115 km/h (71 mph; 62 kn)
  • Rate of climb: 4 m/s (790 ft/min) powered
  • Rate of sink: 0.48 m/s (94 ft/min) and 1.75 m/s (5.7 ft/s) at 200 km/h (120 mph; 110 kn)
  • Wing loading: 45 kg/m2 (9.2 lb/sq ft)

References

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  1. ^"Dipl.-Ing. Martin Heide has retired". Alexander Schleicher GmbH & Co. Segelflugzeugbau. 28 June 2018. Retrieved2 January 2019.To date, 258 motorgliders of this type have left the Schleicher workshops.
  2. ^abJohnson, Richard (September 1995)."A Flight Test Evaluation of the ASH-26E Self Launching 18-Meter Sailplane"(PDF). Retrieved31 August 2011.
  3. ^Lambert, Mark; Munson, Kenneth; Taylor, Michael J.H., eds. (1992).Jane's all the world's aircraft, 1992–93 (83rd ed.). Coulson, Surrey, UK: Jane's Information Group. pp. 590–591.ISBN 0710609876.
  4. ^"ASH 26 E / ASH 26 Brochure"(PDF). Alexander Schleicher GmbH & Co. Segelflugzeugbau. 14 March 2004. Retrieved2 January 2019.

Further reading

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External links

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Wikimedia Commons has media related toSchleicher ASH 26E.
Schleicher gliders
Wooden construction pre-World War II
Wooden construction (Rudolf Kaiser)
GRP construction (Rudolf Kaiser)
GRP construction (Gerhard Waibel)
GRP construction (Martin Heide)
GRP construction (Michael Greiner)
GRP construction - unspecified designer
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