Schleicher ASW 17

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The Schleicher ASW 17 is a single-seat Open Class sailplane that was built by the German manufacturer Alexander Schleicher GmbH & Co. It was also known as the "Super Orchidee".

It was designed by Gerhard Waibel, supposedly as a development of the Schleicher ASW 12, but was an entirely new design. The wing is in four sections. The camber-changing flaps are connected to the ailerons. It has Schempp-Hirth airbrakes plus an optional tail parachute. It first flew on 17 July 1971 and 55 were built before production stopped in 1976.

In addition to the regular ASW 17, there is a ASW 17S which was a 21-metre span version built in 1973 but this was later reduced to 20m. The ASW 17X was also a single aircraft that was built in 1976 with 19-metre span. One other was modified to 23 metres after production.

ASW17s came second in the World Gliding Championships in 1972, third in 1974. George Lee won in 1976 and in 1978 in an ASW 17. Hans-Werner Grosse broke the several world records in his ASW17 including: the record goal flight at 1,231 km in 1974, the triangular distance record 1,063 km in 1977 and then 1,306.9 km, and the 1,250km speed triangle at 133.24 km/h in 1980. Karl Striedeck broke another record by a flight of 1,634.7 km out and return in 1977 in an ASW 17.

pecifications

aerospecs
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crew=One
capacity=100 kg (220 lb) water ballast
length m=7.55
length ft=24
length in=9
span m=20.00
span ft=65
span in=7
swept m=
swept ft=
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width m=
width ft=
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height m=1.86
height ft=6
height in=1
wing area sqm=14.8
wing area sqft=159
swept area sqm=
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rot area sqm=
rot area sqft=
volume m3=
volume ft3=
aspect ratio= 27
wing profile= Root: Wortmann FX 62-K-131 thickened to 14.4% Mid: FX 62-K-131 Tip: FX 60-126
empty weight kg=415
empty weight lb=913
gross weight kg=610
gross weight lb=1,340
lift kg=
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max speed kmh=240
max speed mph=150
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range km=
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ceiling m=
ceiling ft=
glide ratio= 49
climb rate ms=
climb rate ftmin=
sink rate ms= 0.49
sink rate ftmin= 96

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References

* "Gliders and Sailplanes of the World" by Michael Hardy - Ian Allen Ltd 1982 ISBN 0711011524
* "Sailplanes 1965-2000" by Martin Simons - Eqip ISBN 3980883817

External links

* [http://www.sailplanedirectory.com/PlaneDetails.cfm?planeID=25 Sailplane directory]