A model rocket engine may be tested on the ground for the purpose of determining performance or may be used as the motive power of an experiment conducted on the ground under the following minimum conditions:
  (a) The engine shall be affixed to a testing device or to an immovable structure in such manner that the engine may not become free during the conduct of the test or experiment.

Terms Used In Michigan Laws 259.787

  • engine: means a device or combination of devices which provide the necessary force or motive power to cause the model rocket to move through the air. See Michigan Laws 259.781
  • Model rocket: means an aero-model that ascends into the air without use of aerodynamic lifting forces against gravity and is propelled by means of a model rocket engine. See Michigan Laws 259.781
  • person: may extend and be applied to bodies politic and corporate, as well as to individuals. See Michigan Laws 8.3l
  (b) The engine shall be ignited only by remotely operated electrical means fully under the control of the person conducting the test or experiment.
  (c) When a test or experiment is conducted indoors, the exhaust from the engine so tested shall be directed into a nonflammable hood or vent which shall lead directly to the outside of the building.
  (d) The exhaust path shall be cleared of all inflammable objects prior to the igniting of such engine.
  (e) A person who conducts, participates in or observes static or ground testing of a model rocket engine shall stand a safe distance away from the engine, and particularly its exhaust path, at all times during the conduct of the test.
  (f) At least 1 adult person shall inspect each engine to be tested and the testing device to be used before the test is conducted.
  (g) The conduct of the test or experiment shall be supervised by at least 1 adult person.
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