Monday, February 11, 2008

Starting D.T

11.2.08

Today we are investigating bottle rockets info :



  • model rockets and full scale rockets use chemical fuel to ignite and to propel.

  • a bottle rocket uses water as a fluid

  • you can also use gas for it

Recovery systems:

1.parachute deployment

2.Streamer or ‘Drag Tag’ to slow down descent.
3.Air brake flap system that opens during descent.
.4. Rotating blades that retard descent.

Launche pads:

You have a force of either air or water push it up through the air.

Materials :

1 ten foot piece of 1/2" PVC pipe

1/2" PVC elbow

Plastic food wrap, strong string, and some rubber bands

Hacksaw (or just a hacksaw blade) and a ruler or tape measure

2-liter soda bottle

Wide tape


bibliography:

http://exploration.grc.nasa.gov/education/rocket/rktth1.html

http://www.aaroncake.net/spuds/boom.asp

http://waterocket.explorer.free.fr/recovery_systems.htm

http://www.sciencetoymaker.org/airRocket/asmblLaunch.html ( very very good )