T1: Rocket Science

To extend our reach to the stars

above!Video

Introduction

Goals:• Predict apogees

Rocket equationSimulation

• Build/Test RocketsDifferent models, masses, engines, etc.

• Analyze/compare resultsApogee vs. massAcceleration vs. massApogee vs. engine type

Forces On A Rocket

cg

cpweight

drag

lift

 

thrust

 

Rocket Equations

Tsiolkovsky

Our Theory

Newton’s Second Law

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

AltimeterVideo

Analysis

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 showOur rocketsCan flyKind of highExemplifying a negative and nonlinear  Trend

Data: Mass Vs. Acceleration

Video

Data: Mass Vs. Acceleration

Data: Engine Type vs. Apogee

ConclusionMass vs. apogee → exponential, negativeEngine vs. apogee → logarithmic, positiveMass 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.

AcknowledgementsJohn and Laura

OverdeckNJGSS Alumni and

Parents Drew University

State of New JerseyIndependent College

FundNovartis

AT&TBayer Healthcare

Johnson & JohnsonActavisCelgene