PayloadBay.com - Center of Gravity

Center of Gravity

The Center of Gravity (CG) of a rocket is the rocket's "mass balance point" - the location where the rocket, if laid horizontal, would balance. In flight, a rocket tends to rotate about its CG.

References:

Stable (Miscellaneous)
Line of Thrust (Miscellaneous)
Center of Pressure (Miscellaneous)