Triblade 15x5 CCW

Tri blade propellers Xoar 15x5 counter clockwise

 
XOAR propellers propellers are among the best available on the market for multirotors.
The advantage of the three-blade propeller on the two-blade lies in its low speed (for a performance identical cf tests), and its much more fluid with a Two-bladed air flow continuously. These two factors together cause a decrease in the amplitude of the vibrations, the next tests will illustrate this.