Schleicher ASH 25
Schleicher ASH 25 | |
---|---|
Type: | Glider of the open class |
Design country: | |
Manufacturer: | |
First flight: |
May 11, 1986 |
Production time: |
1986 to 2008 |
Number of pieces: |
269 |
The ASH 25 is a high performance two-seater glider of the open class with originally 25 m wingspan .
Its designer Martin Heide , from whom the 'H' in the type designation comes, designed it using the existing surface of the single-seater ASW 22 . The fuselage was designed based on the fuselage of the fs 31 of Akaflieg Stuttgart. This is characterized above all by its resistance-optimized shape. This pre-production aircraft was also called AS 22-2 - as the two-seater ASW 22 - before the final name was determined.
Manufacturer is the company Alexander Schleicher Segelflugzeugbau from Poppenhausen (Wasserkuppe) . The ASH 25 was built as a pure glider and motorized in the variants E (homecoming aid, first flight May 1987, 63 pieces, built 1987–1994), M and Mi. The designations M (first flight May 18, 1994) and Mi (first flight May 1999 ) are different engine variants that enable self-starting. A total of 269 aircraft were built.
Binder Flugmotorenbau GmbH also offers an optimized version called ASH25 EB28 (14 aircraft). The span of the ASH25 EB28 has been increased to 28 meters by a newly developed outer wing, which enables the best glide of approx. 60+.
The production of the ASH 25 and ASH 25 Mi was set in September 2008 to capacities for the successor ASH 30 Mi vacate.
Technical specifications
Parameter | Data | ||
---|---|---|---|
Seats | 2 | ||
span | 25 m | 25.6 m | 26.0 m |
Wing area | 16.31 m² | 16.46 m² | 16.62 m² |
Wing extension | 38.32 | 39.82 | 40.67 |
Hull length | 8.97 m | ||
Height at the tail | 1.54 m | ||
Wing profile | HQ 17 and DU 84-132 / V3 | ||
Empty weight with minimum equipment | 470 kg | 478 kg | 484 kg |
Water ballast | 120 l | ||
Max. Take-off mass | 750 kg | ||
min. Wing loading | 34 kg / m² | ||
Max. Wing loading | 46 kg / m² | 45.6 kg / m² | 45.1 kg / m² |
Top speed | 280 km / h | ||
Minimum speed | 65 km / h at 34.0 kg / m² | ||
slightest sinking | 0.42 m / s at 34 kg / m² | ||
best gliding | approx. 58 | approx. 60 | approx. 60 |
See also
Web links
- Manufacturer's product description
- ASH-25E data sheet
- EASA-TCDS-A.076 (PDF; 55 kB) - Type certification of the ASH 25 EB
- Production List ASH 25 (English)
Individual evidence
- ↑ Alexander Schleicher: All types of aircraft since 1951 , accessed on December 18, 2018.
- ↑ alexander-schleicher.de: The ASH 25 makes way for the successor , accessed on March 21, 2009