What typically occurs to a marginally stable rocket with a hybrid motor during the thrusting phase?

In the context of a marginally stable rocket with a hybrid motor during the thrusting phase, it is important to understand the dynamics involved. A marginally stable rocket is one that can fly but requires precise conditions to maintain stable flight. When thrust is applied, various factors such as changes in aerodynamic forces, motor thrust characteristics, and potential shifts in the center of gravity can affect stability.

During the thrusting phase, the increased thrust from the hybrid motor can amplify aerodynamic forces acting on the rocket. If the rocket is already at the edge of stability, these amplified forces can destabilize its flight path. The added thrust can change the orientation of the rocket and interact with its aerodynamic characteristics, potentially overwhelming the control system's ability to maintain straight flight.

As a result, the rocket may deviate from a stable trajectory, making it less stable overall. This loss of control could lead to an increase in oscillation or uncommanded pitch, roll, or yaw movements, affecting flight performance. Thus, the possibility of a marginally stable rocket becoming less stable under thrust conditions is a critical consideration for any rocketry enthusiast or engineer.