Schleicher ASW 15

Schleicher ASW 15


The ASW-15, designed in 1968 by Gerhard Waibel and built in series by Schleicher, is a glass composite sailplane, with shoulder-mounted wings and all-flying tailplane. The placement of its single tow-release is a compromise between the ideal placement for winching and aerotowing. The later ASW-15B had several improvements, including a tow-release placed on the plane of symmetry, an 11cm taller rudder, a slightly larger main wheel, and the provision of a 90 litre water ballast system.

Rot due to fungus infestation was found in an early example, leading to an Airworthiness Directive. Starting with serial number 356, balsa wood was abandoned in the construction in favour of synthetic foam.

In 1971 and 1972, the American pilot Karl Striedieck set world out-and-return distance soaring records three times flying an ASW-15, including one flight of 1098.54 kilometers on October 15, 1972.

It was succeeded by the Schleicher ASW 19.

pecifications (ASW 15B)

met or eng?= met

length m=6.48
length ft=21
length in=3
span m=15.00
span ft=49
span in=3
swept m=
swept ft=
swept in=
rot number=
rot dia m=
rot dia ft=
rot dia in=
dia m=
dia ft=
dia in=
width m=
width ft=
width in=
height m=
height ft=
height in=
wing area sqm=11.0
wing area sqft=118
swept area sqm=
swept area sqft=
rot area sqm=
rot area sqft=
volume m3=
volume ft3=
aspect ratio= 20.5
wing profile= Wortmann FX 61-163
empty weight kg=230
empty weight lb=506
gross weight kg=408
gross weight lb=897
lift kg=
lift lb=

eng1 number=
eng1 type=
eng1 kw=
eng1 hp=
eng1 kn=
eng1 lbf=
eng1 kn-ab=
eng1 lbf-ab=
eng2 number=
eng2 type=
eng2 kw=
eng2 hp=
eng2 kn=
eng2 lbf=
eng2 kn-ab=
eng2 lbf-ab=

max speed kmh=
max speed mph=
max speed mach=
cruise speed kmh=
cruise speed mph=
range km=
range miles=
endurance h=
endurance min=
ceiling m=
ceiling ft=
glide ratio= ca. 36.5
climb rate ms=
climb rate ftmin=
sink rate ms= 0.63
sink rate ftmin= 124

see also=
similar aircraft=


* [ ASW-15(B) owners and users website]
* [ Alexander Schleicher website]
*Thomas F, Fundamentals of Sailplane Design, College Park Press, 1999
*Simons M, Segelflugzeuge 1965-2000, Eqip, 2004
* [ Sailplane Directory]

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