MAE 3 WARSTeam 22 - InstaWin or Bust!Erika Moreno Nick Garrett Sam Lechtman

Hrishikesh Barokar

and the Robot BUSTER!

HEY LOOK! IT’S BUSTER!

Samuel Lechtman

Buster in Action!!!

Samuel Lechtman

Strategy● Maximum Point

potential○ Tallest Starship

● Use latest manufacturing technology

● No car

Samuel Lechtman

How?…

Making it work

● 3 Degrees of Freedom:○ Horizontal

Movement ○ Vertical

Movement ○ Rotation

Nick Garrett

Rising to the Top

Upside○ Height ○ Straight up

Downside○ Slow Moving○ Potentially

UnstableNick Garrett

And we have LIFT OFF!!

Nick Garrett

Rotating Buster

The Sun-Planet gear movement

Hrishikesh Barokar

Sun and Planet Gear

Planets spark inspiration and imagination

Hrishikesh Barokar

Turning

Geared Motor

Fixed Large Gear

Turning the whole thing?

Hrishikesh Barokar

Extending Arm● Reaches droid bay and

starships!

Erika Moreno

Extending Arm Analysis

Mass of Scissor Arm = 0.075 kgLength of Arm (Extended) = 41.82 cmLength of Arm (Compressed) = 13.11cmDisplacement = 28.71Desired time of travel to reach max distance desired = 10Factor of Safety = 2.5

Energy and Power CalculationsCalculating Needed EnergyAve Velocity = Displacement/time

= 0.029 m/sMaximum Velocity = 2(Ave Velocity)

= 0.057 m/sKinetic Energy = 0.5(Mass)(Max Velocity)^2

= 1.236E-4 JEnergy Calculated with F.o.S. = 3.091E-4 JPower Calculated with F.o.S. = 3.091E-5 WTherefore E(available)>>E(needed)there is enough energy provided by the motors to power the scissor armComparison of Experimental Results to Theory

These results are based on the very optimistic assumption that friction is negligible. In reality friction was a high risk factor. But in the end we still had enough energy from the motor to power the arm.

Erika Moreno

“MagicBox” Initial Idea

Samuel Lechtman

MagicBox Final Design + Prototype

● Utilizes elastic properties of ABS plastic ● Downsides:

○ Dependant upon weight○ You can only grab six balls maximum

Risk Reduction prototypes determined optimal distance between stretchy parts was 1.59 inches

Samuel Lechtman

Teamwork

● Communication was critical

● Team meet multiple times a week

● All changes to design were documented

Erika Moreno

Questions?