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Glide Table for Topless Gliders
KING
POSTED
Contributed by Bomber
| L/D | 27.82 | 24.68 | 21.58 | 18.53 | 15.56 | 12.7 | 10.03 | 7.64 | 5.67 | ||
| S.R. (ft/min) | -167 | -169 | -171 | -175 | -180 | -190 | -207 | -239 | -303 | ||
| Air spd (km/hr) | 38 | 39 | 40 | 41 | 43 | 46 | 49 | 55 | 63 | ||
| C.R (ft/min) | 100 | 300 | 500 | ||||||||
| Wind spd (km/hr) | -50 | -40 | -30 | -20 | -10 | 0 | 10 | 20 | 30 | ||
| 0 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 0 | |
| 5 | 1600 | 1700 | 1800 | 1900 | 2100 | 2300 | 2700 | 3200 | 3900 | 5 | |
| 10 | 2200 | 2400 | 2600 | 2800 | 3200 | 3600 | 4300 | 5300 | 6800 | 10 | |
| 15 | 2800 | 3000 | 3300 | 3700 | 4200 | 4900 | 6000 | 7500 | 9700 | 15 | |
| 20 | 3400 | 3700 | 4100 | 4600 | 5300 | 6200 | 7600 | 9600 | 12600 | 20 | |
| 25 | 4000 | 4400 | 4900 | 5500 | 6300 | 7500 | 9200 | 11800 | 15500 | 25 | |
| 30 | 4600 | 5000 | 5600 | 6400 | 7400 | 8800 | 10900 | 13900 | 18400 | 30 | |
| 35 | 5200 | 5700 | 6400 | 7200 | 8400 | 10100 | 12500 | 16100 | 21300 | 35 | |
| -50 | -40 | -30 | -20 | -10 | 0 | 10 | 20 | 30 |
Interpretation:
| Line 1 | Best L/D at given windspeed (see line 5) |
| Line 2 | Sink Rate at best L/D |
| Line 3 | Airspeed at best L/D |
| Line 4 | Climb rate required in headwind to take climb ( eg need 100 ft/min plus when gliding into 10Km/hr headwind) |
| Line 5 | Wind speed (-ve indicates tailwind, +ve indicates headwind) |
| Lines 6 to 13 | Height required to glide 0 to 35 Km (inc 1000 feet safety margin) |
The polar used for this glider is based on a CSX 149 (should be near enough for fat bastards flying a CSX5).