Changes

The main tool we have to change the center of gravity is the size of the rocket's fins - larger fins will bring the center of pressure lower down on the rocket, increasing its stability.

The main tool we have to change the center of gravity is the size of the rocket's fins - larger fins will bring the center of pressure lower down on the rocket, increasing its stability.

To calculate center of pressure, you can use the Barrowman equations ([https://www.apogeerockets.com/downloads/PDFs/barrowman_report.pdf link to the original document]) or the [https://www.apogeerockets.com/education/downloads/Newsletter18.pdf cardboard cutout method].

To calculate center of pressure, you can use the Barrowman equations ([http://www.scalerocketry.com/equations/barrowman.htm link to a slighty confusing example]) or the [https://www.apogeerockets.com/education/downloads/Newsletter18.pdf cardboard cutout method].

=== Calibers ===

=== Calibers ===