Understanding the 4 main types of flaps (and why they matter): Flaps aren’t just for landing slower, they shape airflow, control lift, and affect how your aircraft performs during approach. Here are the key types you’ll need to recognise (and understand for the exam): • Plain Flap – Hinged at the trailing edge. Simple design, increases lift and drag. • Split Flap – Lower surface deflects independently. Creates more drag, useful for steep approaches. • Slotted Flap – Air flows through the slot, d

Why aircraft have flaps and how they work ✈️ Airliners are designed to fly efficiently at high speed at high altitudes. To do this, they need sharp, thin wings that can fly at speeds close to the speed of sound. However, wings that are designed to fly efficiently at high speed are not good at flying slowly! Wings that are great at flying slowly are thick, highly cambered (curved) wings - the exact opposite of the efficient, supercritical wings fitted to most airliners! This is big problem! In or

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OpenTX Quick Tip: Using Flaps as ailerons / dual use flaps / full span ailerons