Glossary of aeromodelling, aerodynamics and RC electronics terms.
A wing built from balsa wood, light and stiff.
The tail surface that provides model stability.
The upward angle of the wing tips relative to the horizontal plane.
The main part of the model that joins the wing, stabilizer and powerplant.
A structural member that strengthens the wing along its span.
The cross-sectional shape of a wing that determines lift and drag.
A rising air current used for long flights.
The line connecting the leading and trailing edges of a wing.
Setting the model's center of gravity to the point shown on the plan.
The angle between the wing chord and the fuselage axis.
Launching a model from a tow line, typical for F1A and F1H classes.
A mechanism that increases the stabilizer angle of attack to bring the model down.
A device that measures flight time and triggers the DT.
An actuator in RC models that drives control surfaces.
Electronic speed controller for a brushless motor.
A lithium polymer battery used in RC models.
A circuit that powers the receiver and servos from the main propulsion pack.
The brushless motor's RPM per one volt of input.
A propulsion element that generates thrust.
International sporting regulations issued by the FAI.
A document that grants the right to compete in official events.
A national competition series in a given model class.
The most important national competition in a given class.