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The simplest rover to win the GLXP

A rocket design commonly known as a "Stinger missile" might be the easiest method to move a distance of at least 500 meters along the surface of the Moon in a deliberate manner. They are no relation to the sophisticated FIM-92 Stinger weapons system. The FIM-92 weapons system is not spin stabilized. These devices originally appeared on the Asian fireworks market, called warhead launchers. They were probably developed to reduce the labor and materials involved with conventional rocket designs.
While a classic core-burning rocket works with a single axial nozzle for thrust, this design adds a second tangential thrust port that burns briefly before the axial nozzle lights. The tangential port imparts an axial spin that gyroscopically stabilizes the vehicle. The spin keeps the rocket flying straight along its original axis direction like a stick or fins. This principle allows making a rocket consisting of nothing more than the motor itself.
The image below shows the rocket motor cross-section:




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