Contributed by Doug Szczepanski

Download Black Brant XII - Estes 9723.ork

To use the design file above, you need a copy of OpenRocket, a rocket design and simulation program.

Designer: Estes

Optimization: Optimized for Flight Simulation

OpenRocket render December 2023, by Doug Szczepanski (aka Starfire73 on The Rocketry Forum)

Please visit - https://starfireor.blogspot.com/

Motor retainer courtesy of K'Tesh on The Rocketry Forum

Override for weight is Estes estimate of 11.5 oz.\

CG is calcuated value.