FORCETALLY
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At a glance
Measured figures
Length
Single source6.942 m (22 ft 9 in)[source]
ASK 21 · Length
Single sourceConfiguration
| Specification | Morane-Saulnier MS.230 | Schleicher ASK 21 |
|---|---|---|
| Type | Elementary Trainer[source] | Two Seater-class Or Club-class sailplane[source]ASK 21 |
| Manufacturer | Morane-Saulnier[source] | Alexander Schleicher GmbH & Co[source]ASK 21 |
| Primary user | Armée de l'Air Flight School, Reims, France[source] | — |
| Number built | 1000+[source] | Over 1000 |
8.35 m (27 ft 5 in)[source]
1 × Salmson 9AB 9-cylinder air-cooled radial piston engine
Single source1 × Salmson 9AB 9-cylinder air-cooled radial piston engine, 170 kW (230 hp)[source]
Service ceiling
Single source5,000 m (16,000 ft)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| First flight | February 1929[source] | February 1979[source]ASK 21 |
|---|
| Fuel capacity | 220 L (58 US gal; 48 imp gal) jettison-able fuselage tank with a 22 L (5.8 US gal; 4.8 imp gal) centre-section gravity tank[source] | — |
|---|
| Propellers | 2-bladed fixed-pitch wooden propeller[source] | — |
|---|
| Never exceed speed | 260 km/h (160 mph, 140 kn)[source] | 280 km/h (170 mph, 150 kn) in smooth air[source] |
|---|
| Time to altitude | 3,000 m (9,800 ft) in 11 minutes 18 seconds[source] | — |
|---|
| Wing loading | 61.3 kg/m 2 (12.6 lb/sq ft)[source] | 33.4 kg/m 2 (6.8 lb/sq ft)[source] |
|---|
| Power/mass | 0.1429 kW/kg (0.0869 hp/lb)[source] | — |
|---|
| National origin | — | Germany[source]ASK 21 |
|---|
| Designer | — | Rudolf Kaiser[source]ASK 21 |
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| Introduction date | — | 1979[source]ASK 21 |
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| Aspect ratio | — | 16:1[source] |
|---|
| Airfoil | — | FX S02-196 / FX 60-126[source] |
|---|
| Stall speed | — | 65 km/h (40 mph, 35 kn)[source] |
|---|
| g limits | — | +6.5 -4 at 180 km/h (97 kn)[source] |
|---|
| Maximum glide ratio | — | 34 at 90 km/h (49 kn)[source] |
|---|
| Rate of sink | — | 0.64 m/s (126 ft/min) at 67 km/h (36 kn)[source] |
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