Rocket Design & Construction Flashcards

What determines the classification of a rocket motor?

Answer: Total impulse measured in Newton-seconds

Rocket motors are classified by total impulse (Newton-seconds), with each letter designation representing a doubling of the impulse range from the previous letter.

What is the primary safety concern during rocket launch operations?

Answer: Ensuring the launch area is clear and all safety distances are maintained

Maintaining clear launch areas and proper safety distances is the primary concern, protecting all participants and spectators from potential hazards.

What factor most affects rocket stability during flight?

Answer: The relationship between center of gravity and center of pressure

The relationship between center of gravity (CG) and center of pressure (CP) determines aerodynamic stability, with CG needing to be forward of CP for stable flight.

What is the purpose of a recovery system in rocketry?

Answer: To safely return the rocket to the ground for reuse and prevent injury

Recovery systems safely return rockets to the ground, preventing injury to people and property while enabling rocket reuse and data recovery.

Which preflight check is most critical before launch?

Answer: Verifying motor installation, recovery system packing, and igniter continuity

Verifying motor installation, recovery system packing, and igniter continuity ensures the rocket will fly safely, deploy recovery, and can be properly launched.

What regulatory requirements apply to high-power rocketry?

Answer: FAA waiver for airspace, fire marshal notification, and NAR/TRA certification

High-power rocketry requires FAA airspace waivers, fire marshal notifications, and flier certification through NAR or TRA, ensuring safe operations.