A properly balanced blade will rotate to a horizontal position.
If the blades are still rotating, they'll chop you into hamburger.
Compared to the Continental grip, the blade has rotated 45 degrees clockwise.
The blade can then rotate in and out of the handle.
Each blade can rotate itself around a vertical axis.
Dortmunder looked up, and through the glass bubble he could see the blades rotating.
The pin axle provides a cylindrical bar from which the blades can rotate.
The blade rotated through the joint like a knife slicing into a head of cabbage.
The blades rotate at 10 to 22 revolutions per minute.
The blades of his personal helicopter were already slowly rotating.