This is an aluminum BB which has more than 30x the

energy density of Lithium-ion batteries and 2x the

energy density of gasoline. With the proper chemical

treatment, it reacts with water to make hydrogen and

heat.

Unlike extensive research dating back to the 1960’s, our reaction is fast and wastes almost no

aluminum – having 90+% reaction completion with 97% aluminum content.

Our Aluminum Fuel has economic viability with cost levels comparable to gasoline. All

treatment materials are ultimately recoverable and reusable.

The fuel treatment procedure involves creating micro-galvanic cells within the aluminum

grain structure, which splits apart water molecules to produce energy.

May 12 , 2015

Target ToleranceActual

Measurement

Complete Assembly

Diameter 2.514" +/- 0.005" 2.513"

Total Width 1.195" +/- 0.005" 1.225"

String gap 0.075" +/- 0.025" 0.093"

Part 1: Body

Interference Fit Diameter 2.220" + 0.000"/-0.005" 2.217"

Maximum Thickness 0.350" +/- .005" 0.351"

Part 2: Spinner

Peg Diameter 0.118" + 0.000"/-0.005" 0.124"

Peg Depth 0.118" +/- .005" 0.112"

Outside Diameter 1.860" +/- .01" 1.835"

Part 3: Window

Outer diameter 2.030" + 0.000"/-0.005" 2.028"

Inner diameter 1.970" + 0.000"/-0.005" 1.968"

Part 4: Ring

Interference Fit Diameter 2.200" + 0.005"/-0.000" 2.218"

Window Inner Diameter 2.029" + 0.005"/-0.000" 2.030"

2.008 Design And Manufacturing II

CAM (MasterCAM)

Table of Specifications

CAD (Solidworks & GrabCAD)

Production and Assembly

Objectives

• Learn about Manufacturing Methods and Design Considerations

• Utilize Process Optimization and Six Sigma Quality Control

Methods

• CAD/CAM Design

• Meet Design requirements

Design

• Create a “Yo” yo-yo with a “Yo” spinner

Analysis of Interfacial Tension Equilibrium in Dynamic Systems

(Design of Experimental Setup)

This experiment analyzed the change in meniscus height

between a metal plate and the water’s surface as the metal

plate was pulled out of the water. The metal plate was

pulled out at different angles and velocities to determine

the kinetic and geometric effects on the solid-liquid

interface. Tests taken for stainless steel, brass, and

aluminum plates showed that exit angles closer to the

horizontal resulted in a higher final meniscus height up the

metal plate. Higher exit velocities also led to higher

meniscus heights up the metal plate.

Abstract

Introduction

This experiment shows that for copper,

stainless steel, and aluminum plates:

• Exit angles closer to the horizontal

have higher final meniscus heights.

• Plates at higher exit velocities have

higher final meniscus heights.

Conclusions

Dec. 4, 2014

Experimental Setup

Image Sources:

1. “Surface Pressure” available online at

<http://www.biolinscientific.com/application/surf

ace-pressure/>

2. “Wilhelmy Plate Immersion” available online at

<http://www.biolinscientific.com/zafepress.php?

url=/images/Attension/Illustration%20%26%20G

raphs/Application%20areas/AT_WilhelmyPlateI

mmersion.jpg>

ReferencesAcknowledgements

• Professor So for his advice on the

experimental setup

• Dr. Hughey and the rest of the 2.671

Staff for the use of sensors

• Dr. Bourouiba and Ben Cameron for

the inspiration for this project

Background

In a dynamic system, the interface between water and a

metal plate is affected by both the geometry of the system

and the kinematics of the system. Understanding the

equilibrium of the interfacial tension in a dynamic system

has applications in:

• Formation of precise film coatings

• Durability of coatings in dynamic environments

• Analysis of hydrophobic/hydrophilic effects in complex

systems.

Results

Brass Aluminum Stainless Steel

• Increases in exit velocity and changes in angles towards the horizontal resulted in higher meniscus heights.

• Cohesive and adhesive

forces determine the

equilibrium of the solid-

fluid interface

• Different types of plates

will interact with water

molecules differently,

resulting in a different

final equilibrium position

• Kinematic and

gravitational effects on

the system change as

the exit angle and

velocity change

Video Analysis

Fixture connected

to a motor via string

Ramp

changes

exit angle

Solid-liquid Interface

Metal

Plate

Motor and

power

supply

Initial Meniscus Height Final Meniscus Height

EXLIM

High

Speed

Camera

Change

in

meniscus

height

0

1

2

3

4

5

6

7

0 30 60 90

Fin

al M

en

iscu

s H

eig

ht

(mm

)

Exit Angle (degrees)

1 cm/s

5 cm/s

0

1

2

3

4

5

6

7

8

0 30 60 90

Fin

al M

en

iscu

s H

eig

ht

(mm

)

Exit Angle (degrees)

1 cm/s

5 cm/s

2 Exit Speeds: 1 cm/s 5 cm/s

0

1

2

3

4

5

6

7

8

0 30 60 90

Fin

al M

en

iscu

s H

eig

ht

(mm

)

Exit Angle (degrees)

1 cm/s

5 cm/s

0

0.5

1

1.5

2

2.5

3

3.5

0 0.5 1 1.5

Ch

ang

e in

Men

iscu

s H

eig

ht

(mm

)

Time (s)

2.007 Robot Competition

Final Robot

Conceptualization and Design

Perform tasks such as climbing a 60

degree slope, and swinging 2.5 kg

pendulum

May 1 , 2014

Objective: Create a robot that

can navigate on a ski slope

and perform other tasks.

Photoshop Personal Artwork

Other Projects

Smaller Projects

(Photos Unavailable)

• Flashlight

• Paperweight

• Infinity Mirror