What is the difference between model rocketry and high power rocketry?
Model rocketry is a hobby where people build real flying rockets out of lightweight materials such as cardboard, plastic, and balsa wood. They weigh 1.5 kg (3.3 pounds) or less and they use pre-manufactured solid propellant rocket motors which use black powder or composites as propellant. Model rocketry is a very safe hobby as long as you fly by the C.A.R. (Canadian Association of Rocketry) safety code. Model rockets use motors which generate less than 160 N-s (Newton seconds) total impulse and no single motor can exceed 80 Newton of thrust. High power rocketry is model rocketry on a much larger scale. High power rockets are made of stronger materials and they use motors ranging in power from 160 N-s (H class) to 40 960 N-s (O class). Also, any rocket that uses a combination of lower power motors that meets or exceeds 160 N-s is also considered to be a high power rocket.
