Written by Louis Joyner
Free Flight Duration
Column
As seen in the November 2015 issue of Model Aviation.
CG stands for center of gravity. It is the point at which the model balances level front and back. Model plans often show its location either as a distance or percentage of chord back from the leading edge of the wing. But why is it where it is? What happens when you move it?
To answer those questions, we need to look at two factors that affect the longitudinal stability of a model: the neutral point (NP) and…