US 12,084,173 B2
Rotor alignment tab
Steven R. Schafer, Ft. Worth, TX (US)
Assigned to Textron Innovations Inc., Providence, RI (US)
Filed by Textron Innovations, Inc., Providence, RI (US)
Filed on Oct. 18, 2022, as Appl. No. 17/968,505.
Prior Publication US 2024/0124135 A1, Apr. 18, 2024
Int. Cl. B64C 27/30 (2006.01); B64C 29/00 (2006.01)
CPC B64C 27/30 (2013.01) [B64C 29/0025 (2013.01); B64C 29/0033 (2013.01)] 18 Claims
OG exemplary drawing
 
9. A rotor alignment assembly for a rotor blade, the assembly comprising:
a tab provided on a bottom surface of the rotor blade, the tab rotatable between a first position in which the tab is flush with the bottom surface of the rotor blade and a second position in which the tab extends normal to the bottom surface of the rotor blade; and
a mechanism for moving the tab between the first and second positions based on a rotational speed of the rotor blade;
wherein the mechanism for moving is configured to move the tab toward the second position if the rotational speed of the rotor blade falls below a first threshold rotational speed and to move the tab toward the first position if the rotational speed of the rotor blade exceeds a second threshold rotational speed.