Flight Manual STEMME S 10 Date of Issue Oct. 10, 1990 page: 29
Amendment No.: -- Date: --
LBA-approved
A4010013_08a-29/13.11.2015 14:34:00/14:34
Change-over from powered flight to gliding flight
• reduce air speed app. 48 kts / 90 km/h
• ignition "OFF"
• engine master switch "OFF"
• pull propeller brake within 1 minute after ignition "OFF" until propeller stops
Warning: Long windmilling of the propeller will overheat and damage the clutch. While windmilling
the airspeed should never exceed 75 kts / 140 km/h.
• position propeller: after the automatic folding-in action of the propeller, pull the positioning lever smoothly
but not too fast. The propeller is positioned when lever has been pulled to the stop.
• When the positioning lever is pulled too fast the propeller may turn beyond the permissible position. The
propeller cone can not then be retracted. In this case repeat positioning operation.
• pull back and lock propeller cone
• switch off unused electrical consumers
• switch avionics to additional battery, if fitted
Caution: Particularly on long gliding flights it is important to keep only absolutely necessary electrical
consumers. When the main battery is exhausted, the landing gear may not be lowered
electrically and an engine re-start is not possible.
Change-over from gliding flight to powered flight
• airspeed less than 75 kts / 140 km/h
• open and lock propeller dome
• master switch "ON"
• engine master switch "ON"
• with cold engine choke "ON"
• throttle in idling position (pulled)
• open fuel cock
• when selecting right hand tank, electrical fuel pump "ON"
• operate starter with push button until propeller blades are extended and turn evenly.
• Only then ignition switch "ON"
• As soon as engine fires, release ignition switch. If engine has not fired after 10 seconds, ignition "OFF"
and repeat procedure.
Caution: After the engine has fired up, check cylinder head temperatures (max. 482 deg. F. / 250°C) after
a time with reference to the power setting. In case the opening of the cooling air ducts fails,
there is the danger that the engine will overheat with subsequent failure.
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