Rockets aloft in the air will have time recorded in hundredths of a second. Timing begins when the rocket separates from the launcher and stops when the ping-pong ball touches the ground, is slowed by an obstruction, or hits the ceiling. Pressures should be justified by log data. Rockets are launched at a psi of the competitors' choice but cannot exceed 50 psi. After doing so, they may not manipulate the rocket and prepare for their second launch. Competitors will put the ping pong ball and recovery system into their launch positions. If the competitors wish, they will be allowed to connect their own manual tire pump to the pressure vessel.Ĭompetitors are given only 8 minutes to conduct 3 launches. The event supervisor or judge then inspects the rocket and then places it onto the launcher. If they do not have goggles, they may obtain them if time allows. Teams are to arrive to launch their rocket with safety goggles. Teams must also submit a graph of each rocket design, showing the relationship between height (feet) to pressure (psi) Participants may choose two other relevant parameters, but they must be included in the log. Measured or estimated max height, in feet.Logs must include 3 required parameters and 2 additional of the competitors' choice. Teams must submit a practice log of recorded data for each rocket used. Here is a guide for making a very good parachute. Most bottles made by major manufacturers should be legal. These dimensions are those of a standard carbonated beverage bottle. Fins are to be placed 5cm or higher than the bottle's opening.A standard neck height must be under 1.6 cm.The nozzle opening must have an internal diameter of approximately 2.2 cm (a 1/2-inch Schedule 40 PVC pipe must fit tightly inside the nozzle opening).Only tape is allowed to attach fins, and no metal nor commercial rocket parts can be used. The rocket must be made using a 20-oz or less plastic carbonated beverage bottle. The event supervisor prepares the launcher. Teams may design up to two rockets and must bring ping pong balls and eye protection. The general objective of the event is to have the longest flight time without the rocket hitting the ceiling. Rules are similar to Bottle Rocket, but a ping pong ball is used instead. The event supervisors/tournament organizers are to announce the ceiling height at least 1 month before the tournament. NOTE: The following information is from the trial event rules, which may not be the same as the 2021 rules. It was also held as a trial event in New Jersey in 20. It was held as a trial event in Division C at the 2017 National Tournament, when it was previously known as Indoor Bottle Rocket. Ping Pong Parachute is a Division B and Division C event for the 2020, 2021, and 2022 seasons. Prior to the tournament, teams will design, build and bring up to three bottle rockets to the tournament to launch a ping pong ball attached to a parachute to stay aloft for the greatest amount of time.
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