Schleicher ASH 25
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The ASH 25 is a two-seater high performance Open Class glider manufactured by Alexander Schleicher until September 2008, originally with a 25 metre wingspan.
[edit] Design and development
Designer Martin Heide (the 'H' in the type designation) combined the wing of the World Championship winning single-seater Schleicher ASW 22 with a fuselage derived from the Akaflieg Stuttgart FS-31 which had particularly low drag. The prototype was designated 'AS 22-2'. The span was increased in later versions to 25.6 or 26 metres with winglets.
A 'turbo' version was also developed, the ASH 25E, followed by the self-launching ASH 25Mi with a large retractable propeller and a Wankel engine. In 2010 an Australian ASH 25Mi was converted to be powered by two jet engines, under the power of which it is capable of launching. It was superseded in production by the ASH 30.
[edit] Variants
- ASH 25
- ASH 25E
- ASH 25Mi
- ASH 25J
[edit] Specifications (with 25.6 metre wings)
General characteristics
- Crew: Two
- Capacity: 220 kg (264 lb) of water ballast
- Length: 8.97 m (29 ft 5 in)
- Wingspan: 25.6 m (84 ft 0 in)
- Height: 1.7 m (5 ft 7 in)
- Wing area: 16.5 m2 (177 ft2)
- Aspect ratio: 39.8
- Wing profile: HQ 17 and DU 84-132/V3
- Empty weight: 478 kg (1,050 lb)
- Gross weight: 750 kg (1,650 lb)
Performance
- Maximum speed: 280 km/h (175 mph)
- Maximum glide ratio: 57
- Rate of sink: 0.42 m/s (83 ft/min)
[edit] See also
- Related lists
[edit] References
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