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The St. Louis Arch Competition is an event open to single-staged model rockets that drag an externally attached streamer into the air during flight. The purpose of this competition is to achieve the greatest duration possible of the longest streamer while creating a visually pleasing display.
A streamer is defined for this event as a piece of cloth, plastic film, or paper, whose shape is approximately rectangular. The streamer may not be cut, slit, or otherwise altered in such a manner as to affect its nature as a simple connected plane. The streamer shall be attached to the outside of the model at only one point, and in such a location that the motor plume does not impact it directly. The remainder of the streamer shall be left on the ground or launch equipment so that it may unfurl during the flight of the entry.
Several pieces of material may be assembled into a single streamer to overcome length restrictions imposed by the length of commercially available material. All pieces of the streamer shall consist of identical material (e.g., the same type of crepe, plastic, or so on).
Should the streamer suffer any damage of a permanent nature while in flight, such as scorching, burning, tearing or separation, the entry shall be disqualified. If the streamer becomes separated from the model in flight, the entry shall be disqualified.
300 flight points shall be awarded according to the following schedule. In no case will points in any category exceed the maximum permissible of one hundred (100).
The amount of time that any part of the external streamer remains aloft in seconds will be multiplied by two (2) and this number of points awarded.
The length in meters of the amount of streamer pulled aloft by the model will be awarded as points.
The resultant arch shall be judged for appearance, including considerations such as shape, motion and overall beauty.
St. Louis Arch competition shall be scored as follows: the contestant receiving the highest score is the winner.
