Soda Bottle Rocket

Sorry I have no pictures but I found this was an easy way to make a soda bottle rocket. But i do have a video!

Materials:
2 cinder blocks (or anything fairly tall and big enough to support the wood)
anything over a foot long of wood (not too thick)
the 2 liter
a cork big enough to fit in the neck of the 2 liter without leaking water through
bicycle pump with the needle
A drill or a local hardware store that can drill a big enough hole to fit neck of the 2 liter through.

Step 1.
Put the two cinder blocks far enough away from each other to comfortly place the wood on top of. Then place wood on top.

Step 2.
Drill a hole in the middle of the wood, large enough to fit the neck of the bottle through. My local hardware store was able to do this for me.

Step 3.
Fill the 2 liter with somewhere around 1/3 to 1/2 of water.

Step 4.
Jam the cork in the neck, far enough in so the cork isn't sticking too far out side the bottle, but far enough so you can pull it back out if a problem arises.

Step 5.
Place neck of the 2 liter through the hole of the wood, make sure it stays balanced.

Step 6.
Slide the bicycle pump needle through the middle of the cork so you can pump air into the bottle.

Step 7.
Pump air into the bottle until the bottle blasts off. Make sure your not too close to the bottle and make sure it is standing straight up. It may be necessary to use another piece a wood to balance it as seen in my video.

Enjoy! I hope these steps worked for you, and if they didn't, feel free to tell me.

Comments

[Kiteman]

> Ahem <

http://www.instructables.com/id/EP84MLE6XHEXCFGMEX/

[awsome]

You must have gotten an A+ in science,right?

[Kiteman]

Slightly - I'm a science teacher.

[awsome]

are you really? That is so weird.I thought you were a kid!Do your students comment on you?Or post things for extra credit?

[Kiteman]

LOL!

I turned 40 at the end of last year!

AFAIK, none of my pupils are members, but some of my Science clubbers' hands do appear in some of my 'ibles.

I'm also a Cub leader, which is why I wrote my knot-tin 'ible.

[awsome]

LOL thats funny.

[awsome]

You should get a 2 liter bottle of coke,some sort of device that will release mentos,and launch it on that launcher. It will probably explode as soon as it hits the ground,But the added mentos will make the explosion 4x as large!

[doublefry]

seriously kid get a life. or even better some pyrotechnics. it's much more satisfying if after it reaches a thousond feet it blows up in a cloud of stars and fire!! i'm sure there are lot's of materials in your home you could use. especially if you own a gun.

[conman999]

i decided instead of making individual pages for the steps, i thought i would just put it all on one page.