What is the maximum weight of a model rocket with motors installed?

The maximum weight for a model rocket with motors installed is determined by safety regulations set forth by governing bodies such as the National Association of Rocketry (NAR) and the Tripoli Rocketry Association. According to these regulations, the maximum weight for a model rocket powered by commercial solid rocket motors is generally limited to 53 ounces (1500 grams) to ensure safe flight and recovery.

This limit is significant because it helps manage the dynamics of the rocket's ascent and descent, ensuring that the rocket can be safely launched and recovered without posing a hazard to people or property. By adhering to this weight limitation, rocket builders can ensure compliance with safety standards and contribute to a safe launching environment.

While other weights listed exceed the permissible limit, they would not be compliant with established safety regulations, meaning they would not be suitable for legal launches or could pose risks during operation.