What qualifies as a class 1 rocket?

A class 1 rocket is defined by specific criteria regarding its propellant weight and total weight when launched. The correct choice aligns with this definition, indicating that a model rocket should have a maximum of 125 grams of propellant while also being limited to a pad weight of 1500 grams. This classification is important as it establishes safety regulations and performance expectations for model rocketry, ensuring that rockets remain within a manageable size and weight for hobbyists.

In context, the other options either fall short of the specified limits or do not comply with the regulatory framework for model rocketry, which establishes clear boundaries to promote safe launching practices. Thus, the option that specifies the thresholds of both propellant weight and total pad weight accurately captures the essence of what constitutes a class 1 rocket. Understanding these distinctions is crucial for any aspiring rocketry enthusiast to ensure they operate within the legal guidelines and safety requirements of the hobby.