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Picture of original rocket

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Data from launch- Testing and Evaluating 

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Data from launch- Testing and Evaluating 

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1st trial-
Angle :20 degrees
Height: 18 feet

2nd trial-

Angle:40 degrees
Height:41 feet

3rd trial-

Angle: 50 degrees
Height: 60 feet

Explanation:
Our first time launching we put way to much repellent in the rocket so we ran out of water to shoot the rocket up high enough because as soon as we launched it, all the water did not distribute it just poured out of the bottle like no air was inside. Also the rocket came off of the launcher to early which caused the rocket to not go very high.

Out second launch and third launch we put less repellent in the rocket, making us learn from our mistake more compressed air was inside making the rocket go up farther than we expected.

We also used Trigonometry, to get the height. We multiplied the Tangent by the adjacent to get the opposite  in other words, we multiplied the distance we were from the rocket,and the angle the rocket went up at to get the height the rocket went up.

Theta- angle between a- c

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This is the video from our 3rd launch.

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This was a option for when we redesigned our rocket because our first design did not have a equally distributed amount of fins.We fixed this problem by having four fins instead of an uneven number.

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This was a option for when we redesigned our rocket because this rocket had a different type of nose cone, which was a cube that was going to make our rocket lighter because it is not using as much material as the cone. As well as the fins are in a different spot making the rocket go straighter because the fins are not at an angle.

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This is the same rocket idea that we had used for the launch but instead of using glue as the adhesive we used tape that made our fins a lot more sturdy and less likely to fall apart i after the launch

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Then last but not least to create a smaller mass we thought we could use a tennis ball as the nose cone instead of the triangular cone around it.

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Our first launch was a fail.When we looked back at the Rocket to see how we could fix it and try again we thought of a couple ideas including : Centering the nose cone better
Using a different adhesive(when the hot glue dried it did not keep the fins on)
As well as not putting as much repellent into the rocket in our case water.

*See sketches above