Aviation behind the power curve

What is behind the power curve?

The true meaning of behind the power curve is rooted in aerodynamic theory

The curved line in the figure below represents the typical change of drag with airspeed

If you break the curve into two parts, you will notice that this fictitious airplane has its lowest point on the curve at an airspeed of 70 knots

Why do airplanes fly on the backside of the power curve?

This is another result of flying on the backside of the power curve (FAA)

During slow flight, control responsiveness degrades and maintaining altitude becomes difficult because of less airflow over control surfaces

As airspeed is further reduced, larger and larger control movements are required to create the same response from the airplane

Why is the back side of the power curve called'reversed command'?

Lowering the nose to gain altitude, and raising it to lose altitude, may sound counterintuitive, which is one reason why the back side of the power curve is called the region of reversed command

×"Behind the power curve" is an aviation expression that refers to the point in flight when the airplane's drag starts to slow it down faster than the engine can recover from quickly. This usually happens when the airplane is coming in for landing or when rapidly slowing down to lose altitude. At this point, more power will be required to maintain the progressively slower airspeeds. The low speed region of flight is known as the "back of the power curve" where more power is required in order to fly slower.,When you demonstrate slow flight on a check ride, you are required to "establish and maintain an airspeed at which any further increase i…
Aviation behind the power curve
Aviation behind the power curve

Representation of the relationship between taxation and government revenue

In economics, the Laffer curve illustrates a theoretical relationship between rates of taxation and the resulting levels of the government's tax revenue.
The Laffer curve assumes that no tax revenue is raised at the extreme tax rates of 0% and 100%, meaning that there is a tax rate between 0% and 100% that maximizes government tax revenue.
In economics

In economics

Representation of the relationship between taxation and government revenue

In economics, the Laffer curve illustrates a theoretical relationship between rates of taxation and the resulting levels of the government's tax revenue.
The Laffer curve assumes that no tax revenue is raised at the extreme tax rates of 0% and 100%, meaning that there is a tax rate between 0% and 100% that maximizes government tax revenue.

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