Physics: Rocket project report

OGroup members: Jake Greenlee, Carlos Martinez, Kieran Day. Rocket name: USS Yav

Rocket Project

Materials:

1) 2x 2 liter bottles ($3 each)

2) 1 crystal geyser sparkling water bottle ($3)

3) duct tape ($3)

4) cardboard (already had from Amazon boxes)

5) toilet paper (already had)

6) kite string (already had)

7) table cloth (already had)

8) small weight (already had)

9) 2x squishy pool toy balls ($1 each)

Picture of materials minus the weight, 2 liter bottles, and tablecloth

Procedures:

Step 1) Obtain all materials and dump liquid into a separate container.

Step 2) cut 3 fins in this fashion and tape them onto one of the 2 liter bottles.

Step 3) cut the middle section out from the 2nd 2 liter bottle. Then duct tape it to the 2 liter bottle with the fins (tape it on the bottom side).

Step 4) make cuts on the other side of the middle section (this will later be used to fit the front part of the rocket onto the bottom).

Step 5) cut the bottom of the sparkling water bottle off.

Step 6) place your weight at the tip of the bottle.

Step 7) Stuff toilet paper in the bottle. Then place a whole roll in the bottle (without the cardboard)

Step 8) put the bottle with the toilet paper into the middle section on the 2 liter bottle. Then squeeze the cuts from the middle section together so that the hole of the middle section surrounds the bottle with the toilet paper. This will make the middle section smaller so that the top of the rocket does not fall out during the flight up. Then proceed to tape around the middle section cuts which you have just squeezed together.

Step 8) cut 4 equal measures of kite string.

Step 9) cut a circle out of the table cloth for a parachute.

Step 10) cut peices of duct tape and place them at 45 degree intervals around the table cloth parachute. Then punch holes in the duct tape.

Step 11) tie each end of the kite string you cut to one hole. Making sure that each string is tied on the opposite side of each other.

Step 12) tape the strings now tied to the parachute to the sparkling water bottle with the toilet paper.

Step 13) place the egg into the toilet paper. Scrunch the parachute into the sparkling water bottle. Then connect the two rocket peices together.

Ta da. You have built the rocket

Results:

Practice launch: our practice launch was successful. The rocket went really high (probably 100-105 ft). Then it successfully deployed before landing. We didn't put in egg in the rocket though.

Final launch- our final launch was semi successful. We went pretty high 85 feet according to Mr. Yav. The one thing that didn't work though was the deployment system. The rocket did not separate during its descent. Despite the deployment systems failure the egg survived. I think that the deployments system failed due to the extra weight of the egg. Some other factors would be wether. There was only a small amount of wind, but it still could have affected our results. One last variable could be the amount of water we put in. We filled 3/8 of the bottle with water.

Conclusion:

I can conclude that my rocket was semi successful. Although it did not separate, the egg survived the full impact. We think it didn't seperate because of the extra weight that the egg added. One thing I would add next time is a mechanism to increase air resistance on the way down. It would have to not activate on the way up though. I also think that if there was more wind it would have separated. This is because the weight on the tip would pull down while the increased air resistance due to the wind would pull up. I also think that making the rocket longer would have been better due to the increased stability during flight.

Calculations: