Description Of Design - Rotax 912 series Operator's Manual

7) Description of design

4-stroke, 4 cylinder horizontally opposed, spark ignition engine, one central
camshaft - push-rods - OHV
Liquid cooled cylinder heads
Ram air cooled cylinders
Dry sump forced lubrication
Dual breakerless capacitor discharge ignition
2 constant depression carburetors
mechanical fuel pump
Prop drive via reduction gear with integrated shock absorber and overload clutch
NOTE:
Electric starter (12V 0,6 kW)
Integrated AC generator with external rectifier-regulator (12V 20A DC)
External alternator (12V 40A DC), optional
Vacuum pump: (only for A1, A2 and A4 possible), optional
Hydraulic constant speed propeller governor: (for A3 only), optional
Effectivity: 912 Serie
OM initial issue
The overload clutch is installed on all serial production aircraft
engines which are certified and on non-certified aircraft engines
of the configuration 3.
AIRCRAFT ENGINES
page 7 - 1
July 01/98