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The use of a propeller not approved from Vittorazi can give rise to serious anomalies and
immediately voids the warranty (see also the warranty chapters).
For Vittorazi the propeller is an integral part of the engine and should not be considered an
extra part of the engine. The company has decided to invest in research and study of high-
tech solutions, to have an ideal combination engine-propeller in many flight conditions. All
approved propellers are designed in collaboration with Vittorazi engineers, with the aim of
giving maximum performance and safety. Let's see some features guaranteed in the
approved propellers:
•
The adequate operation in optimal RPM-Range of engine and propellers.
•
The best thrust during take-off and critical flight conditions, optimizing the energy
transfer in a disturbed airflow.
•
The best fuel consumption in all flight conditions, thanks to the most efficient profile
and angle of attack.
•
The optimization of the dynamic torque effects and static torque effect, through a
lightweight structure and designing low resistance profiles.
•
Avoiding resonant frequencies through optimized carbon fiber structure of the
propeller and avoiding annoying vibrations along the entire RPM range.
•
The correct balancing of the propeller by static and dynamical procedure, combined
with a safe and precise mounting by CNC machined holes.
•
The reduction of noise thanks to the best profiles and the tip speed below 0,65 Mach.
•
Additional design features, as the extra cooling profile to increase the ventilation of
the cylinder head temperature (CHT) till the best working temperatures.
•
Engine safety and reliability are given by the long endurance tests (200 hours)
performed in extreme conditions with the approved propellers, to check if there are
any critical issues before the production.
Moster 185 EFI - Installation manual – V1/2024
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