Pre-Flight Checklist - Vittorazi Motors COSMOS 300 User Manual

5.4 Pre-flight checklist

Check propeller screws tightening.
Visually check the engine integrity and oil leaks: rubber mountings, muffler, airbox fixing,
transmission, cylinder head and all the other components.
Visually check the fuel line, coolant level, electric cables and components.
Verify that throttle joystick sliding is correct, in its upper and lower limits.
Fill the fuel line following the procedure.
ENGINE IS NOW READY TO START.
Place your aircraft in a safe position to start the engine.
Shout CLEAR PROP! Start the engine.
Complete the engine WARM UP procedure.
Check for abnormal vibrations or noise.
Check that Max RPM is between 7.300 and 7.650.
Check that engine keeps the Max revs for at least 5 seconds.
Check the engine idle, so the RPMs are stable between 1.800 and 2.000 RPM.
Switch off the primary and secondary coils alternately to verify the correct functioning of
the twin spark system (only twin spark version).
Turn off the engine to check the correct operation of the killing switch button.
ENGINE IS NOW READY TO TAKE OFF.
Cosmos 300 – User manual – V3 35