Vittorazi Motors COSMOS 300 User Manual page 24

Ground Break-in
Flight Break-in
Regular use
Cosmos 300 – User manual – V3
Tools: chronometer and RPM counter;
Test location: on the ground;
Duration: about 2 hours in total;
Test cycle: operating cycle of 13 working minutes followed by 15
minutes of cooling, to be repeated 4 times.
RPM
4.000
Idle (1.800-2.000)
5.000
Idle (1.800-2.000)
6.000
Idle (1.800-2.000)
7.000
Off
Final checks: carry out the checklist shown in the next chart before
proceeding to the flight phase.
Test location: on flight;
Duration: up to 15 litres (also include the fuel previously consumed
on the ground break-in);
Test cycle: each flight duration is up to 30 minutes.
Do not keep the engine at max RPM for more than 30 seconds or
do not keep constant RPM for a long time. Gradual accelerations
and releases are recommended.
Use engine with mixture of oil 2,0 % Motul710 or 1,5 % Motul800.
Time
4 min
1 min
3 min
1 min
2 min
1 min
1 min
15 min cooling
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