Flight Manual STEMME S 10 Date of Issue Oct. 10, 1990 page: 34
Amendment No.: -- Date: --
LBA-approved
A4010013_08a-34/13.11.2015 14:34:00/14:34
5.2.2 Stall Speeds
The stall speeds of the STEMME S 10 depend on its present configuration: engine ON/OFF, engine
revolutions, flap position, landing gear UP/DOWN, total all-up weight (AUW) - therefore a variety of factors
which can be combined.
With flap positions neutral or positive and with 1874 lb. / 850 kg AUW the stall speeds are found in-between
the following limits (IAS):
42 kts (48 mph / 77 km/h) - engine switched off (gliding flight)
- flap in position "L"
- landing gear lowered
-.air brakes closed
47 kts (54 mph / 87 km/h) - engine idling
- flap position neutral (0)
- landing gear lowered
- air brakes open
Caution: The STEMME S 10 is equipped with an acoustic stall warning system which operates only during
powered flight. During gliding flight the stall is indicated by aerodynamic characteristics of the
aircraft.
Warning: If the electrical voltage falls below 11.5 V, through a battery charging defect, the stall
warning will not work correctly. In this case the airspeed must be monitored and the flight
terminated immediately.
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