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1) Rocket
2) Parachute
3) Zip ties
4) Timers
5) Ruler
6) Video camera
Experimental
Data
As we expected, our experiment showed that the more you choke the shroud lines on a parachute, the faster the descent, and the descent time decreased linearly.
We wanted to control how fast the rocket falls to the ground using a parachute.
What we tried first:
1) We couldn't control the parachute deployment
2) We couldn't control rocket altitude
3) Rockets and engines break when the parachute fails
We dropped the open parachute attached to the rocket off the top of a 40 foot tower at Blue Mounds State Park at different levels of choking and then recorded the descent time.
Choking is tying a parachute's shrould lines off so that the parachute does not inflate fully, decreasing descent time, because there's less air resistance (drag).