In RC hobby terms, this is a feature of a battery charger that enables it to tell when a battery is fully charged. It does this by detecting the small drop in voltage that occurs when the battery reac [..]

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Search for: Glossary of RC Terms Browsing through the manuals, specifications and forums relating to RC hobby product [..]

An adjustable ‘control surface’ on the trailing edge a plane wing that can be raised or lowered to cause rolling to the left and right. Raising the aileron on one wing and lowering the one on the othe [..]

Stands for ‘The Academy of Model Aeronautics’, which is a US national body that runs model competitions and creates official model flight records.

Used to be the most common type of radio modulation, but has now been overtaken by more sophisticated systems. It works by varying the transmission signal’s amplitude.

The angle at which the wing of a plane meets the oncoming air, i.e. whether it is head-on, or tilted up or down. A high angle of attack is when the wing is tilted strongly upwards and providing a wide [..]

Stands for ‘Almost Ready to Run’. This is used to describe vehicles that come mostly pre-assembled, but require some extra work doing before you can start to drive them. They cost a little more than a [..]

Either a) When rotors (usually on helicopters) turn without input from the motor/engine. This occurs during downward flight, with air from below the blades being pushed up and through them and turning [..]

When referring to RC engines, this is the covering protecting the rear of the engine’s crankcase. See also: Crankcase, Engine.