I remember writing Fortran code to run the Barrowman equations on my Kaypro II. I couldn't believe how overstable all of my Estes rockets were. Started building from scratch in order to get stability down to 1-2 calibers.

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Let us create vessels and sails adapted to the heavenly ether, and there will be those who will not shrink from even that vast expanse. - Kepler to Galileo in 1610

NAR 86500
Level 2