Paper+Rocket+Launcher

Warning: PVC pipes have failed. Wrap in duct tape and keep blocks between the device and you. Wear eye protection.

Rockets always fly heavy end first.

http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/Pop_Rocket_Launcher_Directions.html

http://www.sciencetoymaker.org/airRocket/index.html

http://www.sciencetoymaker.org/airRocket/index.html

http://www.youtube.com/watch?v=cjAV6ZwsKko

http://www.sciencetoymaker.org/airRocket/asmblLaunch.html

http://www.sciencetoymaker.org/airRocket/asmblRockt.html

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http://www.youtube.com/watch?v=9rWg0L_a2FQ

http://www.youtube.com/user/Icabad/videos

Drill add tire valve. Cut the tube a couple of inches longer than the bottle. (4) Grease bottle opening. Plug tube with paper and add hot glue plug on top. Set pipe on a piece of paper glue end down unit it hardens. Remove paper. Heat tube two to three inches up by rolling it. Heat in one place and don't soften the end of the tube. Insert pipe and push against the bottom evenly to form a bulge. Turn the pipe to get the bulge to form evenly. Let pipe harden and pull the pipe until it seats itself. Cut or drill a hole just above the lip of the bottle.