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Deadline for registration is 6:00 PM Thursday, October 8, 2009 PURPOSE The purpose of this competition is to provide a fun way to study the Science of Rocketry. THE COMPETITION Water rocket kits are available at the Winston School for $2. This does not include the 2 liter plastic bottle. 1. All bottles used in the competition will be two (2) liter soda pop bottles made of plastic. No one- or three-liter bottles will be allowed. Glass bottles will not be allowed. 2. The neck of the bottle must remain intact and unaltered. The flange and the mouth of the bottle are used to hold the rocket while pressurizing it. 3. The interior of the bottle may not be modified in any way. 4. The rockets will be launched using carbon dioxide and water pressurized to no greater than 80 psi. How much water you put in is up to you. The water must be provided by the contestant. 5. The launching stand and compressed carbon dioxide propellant cartridges will be provided by Winston Science. 6. The rocket will be fired at a 10-foot diameter target, which is laid out on the ground. The shot will be not less than 50 feet and not more than 75 feet from the target. In case of a tie breaking shot, the launcher will moved to another location within the specified 50 foot range. 7. The rocket firing will be at an angle of 20 degrees for all rockets. In case of a tie breaking shot, the angle will be changed to 30 degrees. This is the only angle change that will be made, unless another tie breaking shot is required. 8. Any fins or attachments must be securely attached. Any loose items on the rocket must be removed before launch. 9. Any fins or attachments may not extend lower than 1.5 inches from the mouth of the bottle, measured vertically from the mouth. 10. Only one bottle may be used for the competition. Once a rocket has been presented and approved for competition, it may not be switched or altered for any reason. 11. Each team will have one chance to fire their water rocket. 12. The winner of the competition will be the team that comes closest to the target.
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