Tag Archives: Lift

Aircraft Systems: Oil Systems

We’re staying warm this week, but we’ll be talking about ways to keep your engine cool. Today’s post is on your aircraft’s engine oil system. Look for follow up Ground School posts in the coming weeks about your engine’s cooling and exhaust systems. And be sure to check out what we’ve already covered in regards […]

Aerodynamics: Ground Effect

Thinking about your takeoff technique? Today we’ll consider the role of ground effect. Simply put, ground effect is the reaction of the airflow against the ground surface. Today’s post comes from our foundational flying textbook The Pilot’s Manual 1: Flight School. Here’s a basic overview: The cushioning of ground effect when the airplane is flying […]

Aircraft Systems: Carburetor Ice

Today we’re taking a look at carburetor ice with the Pilot’s Handbook of Aeronautical Knowledge. As mentioned earlier, one disadvantage of the float-type carburetor is its icing tendency. Carburetor ice occurs due to the effect of fuel vaporization and the decrease in air pressure in the venturi, which causes a sharp temperature drop in the carburetor. […]

CFI Brief: Knowledge Test Questions, Stalls & Spins

As the angle of attack is increased (to increase lift), air will no longer flow smoothly over the upper wing surface but instead will become turbulent or “burble” near the trailing edge. A further increase in the angle of attack will cause the turbulent area to expand forward. At an angle of attack of approximately […]

CFI Brief: Effects of Weight on Performance

So over the last two weeks while away at EAA AirVenture in Oshkosh, Wisconsin, I may have overindulged a bit too much in deep fried cheese curds. This has unfortunately resulted in a slight weight increase around my waistline and has more than likely affected my athletic performance. Not to compare myself to an airplane, but […]

Aerodynamics: Turns and Load Factors

We’re devoting this week to aerodynamics, specifically the load factors experienced in turns. There’s more to turning your airplane than smoothly coordinating your ailerons and rudder pressure. Understanding the role of lift and gravity in a turn will help you fly efficiently and within the limitations of your airplane. The following is excerpted from William […]

Aircraft Performance: Introduction to Performance Factors

For today’s post, we have adapted information from the Pilot’s Handbook of Aeronautical Knowledge to introduce the subject of aircraft performance. Matters of aircraft performance will always be subject to the guidelines of your specific aircraft outlined in the performance or operational information section of the Aircraft Flight Manual/Pilot’s Operating Handbook (AFM/POH). The use of […]

Aerodynamics: The Four Forces Part 1

The four forces of flight make up the fundamental concept of flight. Lift, weight, thrust, and drag are the very first concepts students learn in ground school. In this post, we’ll give you an introduction to the first two: Lift and Weight. The Student Pilot’s Flight Manual by William Kershner explains this well:   Lift […]

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