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 )