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Schleicher ASW 19 / Valiant T

sch-asw-19

 

Designed by Gerhard Waibel, the fiberglass ASW-19 superseded the ASW-15B as Schleicher’s Standard Class Sailpane using a thinner airfoil and a T tail assembly. The ASW 19 was designed to take advantage of the new Standard Class and 15m Unrestricted Class rules of 1975, which now permit camber-changing flaps and water ballast.
 
The cantilever laminar flow mid-wings are of glassfibre/foam sandwich construction, with a glassfibre roving main spar and Schempp-Hirth metal air brakes above and below each wing. Up to 220lb of water ballast can be carried. The tail unit is also of glassfibre/foam sandwich and the tailplane is an all-moving surface; the AS-W 19B has a tailplane and elevator, and air brakes on the upper wing only. The fuselage is a glassfibre/honeycomb sandwich structure with a reinforced keel, and the nose tapers to a point like that of the AS-W 17. There is a retractable monowheel with an internal drum brake and a tailskid.
 
The pilot sits in a semi-reclining seat under a large flush-fitting one-piece canopy which hinges at its front end to open upwards. The AS-W 19 Club is a club class version with a fixed unsprung monowheel, no water ballast carried and larger air brakes.
 
The AS-W 19 first flew in prototype form on 23 November 1975, and production began in the spring of 1976. No. of aircraft built to 6/30/81 319. 1982 Standard price: $19,500.
 
Sch-ASW-19-2
 
Bear Selen of the Netherlands won the Standard Class at the 1978 World Championships at Chateauroux in France flying an ASW-19.
The Royal Air Force used 5 ASW-19’s (known as the Valiant T. Mk.1) in its Air Cadet training program.

 

ASW-19
Span: 15m / 49 ft 2.5 in
Length: 22ft 3 3/4 in
Height: 4ft Sin
Wing area: 10.86 sq.m / 118.4 sqft
Aspect ratio: 20.4
Airfoil: Wortmann FX 61-163/ FX 60-126
Empty weight: 250kg / 551 lb
Gross Weight: 450 kg / 994 lb
Payload: 200 kg / 442 lb
Wing Load: 41.06 kg/sq.m / 8.47 lb/sq.ft
Max speed: 152 mph
Max aero-tow speed: 109 mph
Min sinking speed: 0.62 m/s / 2.30 ft/sec / 1.20 kt at 53 mph
Best glide ratio: 38.5:1 at 67 mph
Seats: 1


ASW19B
Seats: 1
Length: 22 ft
Height: 5 ft
Wingspan: 49 ft
Wing area: 118.4 sq.ft
Wing aspect ration: 20.4
Max wt: 1000 lb
Standard empty wt: 540 lb
Max useful load: 460 lb
Water ballast: 220 lb
Wing loading: 8.4 lbs/sq.ft
Min sink: 122 fpm @ 39 kt
Max speed: 138 kt
Stall speed: 35 kt
Glide ratio: 39-1 @ 51 kt
Rough air airspeed: 95 kt

 

 


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