North Dakota Century Code Title 23. Health and Safety § 23-15.1-03. Model rocket standards

1. The model rocket engine must be a commercially manufactured propellant device and may not contain more than two and two-tenths ounces [62.37 grams] of propelling charge and must produce less than eighty newton-seconds of total impulse with a thrust duration of not less than one-half second.

2. When more than one rocket engine is used, the total propelling charge may not exceed four and five-tenths ounces [127.57 grams].

3. The model rocket engine used must display on the casing:

4. The rocket must be constructed of paper, plastic, rubber, or wood, except that minor components such as screw eyes and motor mounts may be of light gauge metal material.

5. The rocket must include within its construction an effective means for returning the rocket safely to the ground without causing injury to persons or property.

6. The entire weight of the finished rocket with any payload may not exceed one and one-tenths pounds [498.95 grams].

7. The model rocket may not contain any type of explosive or pyrotechnic warhead.