Transcript Slide 1

T1: Rocket Science
To extend our reach
to the stars above!
Video
Introduction
Goals:
•Predict apogees
Rocket equation
Simulation
•Build/Test Rockets
Different models,
masses, engines, etc.
•Analyze/compare results
Apogee vs. mass
Acceleration vs. mass
Apogee vs. engine type
Forces On A Rocket
cg
weight
cp
lift
drag
thrust
Rocket Equations
Newton’s Second Law
Tsiolkovsky
Our Theory
Rocket Stability
Simulation
OpenRocket—Sampo Niskanen
Computer Rocket Model
Results From OpenRocket
Construction
The Generic E2X
The Viking
The Alpha
Launch: Trajectory
Launch: Measurements
Angle Gun
Timers
Video Analysis
Altimeter
Experimental Problems
•Malfunctioning batteries
•Shock-cord snap
•Rocket explosion
•Nose cone explosion
during descent
•Rocket with altimeter
stuck in tree for 4 days
Data: Simulation
Data: Mass vs. Apogee
Analysis: Mass vs. Apogee
Results show
Our rockets
Can fly
Kind of high
Exemplifying a negative and nonlinear
Trend
Data: Mass Vs. Acceleration
Video
Data: Mass Vs. Acceleration
Data: Engine Type vs. Apogee
Conclusion
Mass vs. apogee → exponential, negative
Engine vs. apogee → logarithmic, positive
Mass vs. acceleration → cubic polynomial
To optimize model rocket flight, rocket mass
must be minimized while still maintaining
the center of gravity above the center of
pressure. Additionally, upgrading the
engine class makes the rocket go higher.
These graphs present the optimal conditions
for highest apogees.
Videos
Launch Close-Up
Pictures
References
1. Barrowman J. 1970. Stability of a Model
Rocket in Flight [Internet].
Phoenix(AZ):Centuri Engineering Company;
[cited 2014 Jul 28]
2. Kenzie, Patrick. Rocket Components. 2005.
Canuck Designs. Rocket Componenets. Web.
28 July 2014.
Acknowledgements
John and Laura Overdeck
NJGSS Alumni and Parents
Drew University
State of New Jersey
Independent College Fund
Novartis
AT&T
Bayer Healthcare
Johnson & Johnson
Actavis
Celgene