FORCETALLY
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Measured figures
ASK 21 · Length
Single source8.35 m (27 ft 5 in)[source]
Configuration
| Specification | L-15Z | Schleicher ASK 21 |
|---|---|---|
| Variant description | L-15Z : Designation of L-15 advanced fighter trainer in Zambian Air Force service.[source]Only the source-declared variant L-15Z | — |
| Type | — | Two Seater-class Or Club-class sailplane[source]ASK 21 |
| National origin | — | Germany[source]ASK 21 |
| Manufacturer | — | Alexander Schleicher GmbH & Co[source]ASK 21 |
| Designer | — | Rudolf Kaiser[source] |
ASK 21 · Wingspan
Single source17 m (55 ft 9 in)[source]
ASK 21 · Height
Single source1.55 m (5 ft 1 in)[source]
ASK 21 · student, 1 instructor
Single source1 student, 1 instructor[source]
ASK 21 · Wing area
Single source17.95 m 2 (193.2 sq ft)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Number built | — | Over 1000[source]ASK 21 |
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| Introduction date | — | 1979[source]ASK 21 |
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| First flight | — | February 1979[source]ASK 21 |
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| Aspect ratio | — | 16:1[source] |
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| Airfoil | — | FX S02-196 / FX 60-126[source] |
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| Stall speed | — | 65 km/h (40 mph, 35 kn)[source] |
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| Never exceed speed | — | 280 km/h (170 mph, 150 kn) in smooth air[source] |
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| g limits | — | +6.5 -4 at 180 km/h (97 kn)[source] |
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| Maximum glide ratio | — | 34 at 90 km/h (49 kn)[source] |
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| Rate of sink | — | 0.64 m/s (126 ft/min) at 67 km/h (36 kn)[source] |
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| Wing loading | — | 33.4 kg/m 2 (6.8 lb/sq ft)[source] |
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