“Counterclockwise rotation” refers to a variant in which the transition is “early,” occurring at or before lead V 3, whereas “clockwise rotation” is a variant in which the transition ...

This is true because at that instant, BD is rotating about the instant center C. The direction of rotation of link BD changes between counterclockwise and clockwise at the two positions when link AB ...

This is true because at that instant, BD is rotating about the instant center C. The direction of rotation of link BD changes between counterclockwise and clockwise at the two positions when link AB ...

Flip the blade direction switch to change the rotation from counterclockwise (summer mode) to clockwise (winter mode). Tip: This simple flip gives you a good opportunity to wipe the blades clean.

But did you know that older aircraft featured counter-rotating propellers, meaning that while one turned clockwise, the other ...

What causes the windy-day phenomenon? On windy days, have you ever noticed several long, parallel lines of foam on a lake? They are generally in the direction of the prevailing wind. This pattern, ...