DG Flugzeugbau GmbH
Flight manual DG-500M
The following flap settings should be used for optimum performance for
the speed ranges and wing loadings specified:
Speeds in km/h
W/S (kg/m²) 35 40 45
flap + 10° up to 75 up to 80 up to 85
+ 5° 75-95 80-100 85-105
0° 95-130 100-140 105-145
- 5° 130-160 140-170 145-180
- 10° 160-VNE 170-VNE 180-VNE
Speeds in kts
W/S(lbs/ft²) 7.2 8.2 9.2
flap + 10° up to 41 up to 43 up to 46
+ 5° 41 – 51 43 – 54 46 - 57
0° 51 – 70 54 – 76 57 - 78
- 5° 70 – 86 76 – 92 78 - 97
- 10° 86 – VNE 92 – VNE 97 - VNE
To accelerate or flatten out, always use flaps and elevator simultaneously.
Set the flap earlier in its position for the speeds listed above because
flattening out raises the wing loading and speeding up lowers it. Set the
flaps earlier, the higher the g-loads. Flatten out with 1.5 g or speeding up
with 0.5 g changes the optimal speed approximately 15 km/h (8 kts) at
low speeds and 30 km/h (16 kts) at high speeds.
Issued: April 1997 App. 5.8
5.3.5 Performance under power
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