chopper blades
- rotorSpinning mechanical assembly
- helicopterRotary-wing aircraft
- spinningRevolving around an axis
- whirringContinuous buzzing sound
- metalHard conductive solid
slice · cutting · aircraft · propeller · hover · rotation · steel · airborne · thwacking · downdraft · turbine · machete · fan · skids · flight · edge · sharp · whirlwind