Sparty Tank TShirt Launcher

1
Sparty Tank T-Shirt Launcher

• Team 4
• Alex Lai Kyle Koepf
• Chris Ballard Blake Gower
• Tim Tran Adam Sneller
• Danny Tran Bryan Grinnell

2
Design Overview

• Design and build a new Sparty Tank for the
  Athletic Department at Michigan State University

3
Design Objectives

• Build a larger tank
• Improve launching capabilities
• Aesthetically appealing
• Improve speed
• Improve maneuverability

4
Size and Appearance

• 4 X 2.5 X 2
• Camo paint
• Fiberglass top
• Double Barrel
• LED lights

5
Drive Train Components

• 8 Wheels
• ½ diameter shafts w/ 1/8 keyway
• Set screws and shaft collars
• 25 chain and sprockets ¼ pitch
• Mounted bearings

6
Tank Movement

• Powered by four 8 wheels
• Fake treads
• Hand built and cut

7
DC Motors

• Design specification
• 420 RPM (10 mph)
• 4 lb-ft of torque
• Motors
• 12V, 510 RPM (No Load), Stall Torque 355 oz-in

8
Motor Controller

• RoboteQ AX3500
• 60A Maximum
• 40A Continuous
• Built-in H-Bridge
• Easy to use software

9
T-Shirt Launcher

• Two 4500 psi solenoid controlled tanks to
  increase T-shirt firing capacity
• Will shoot at least 25 shirts before recharge

10
Linear Actuator

• Rise the cannon to about 60 degree
• Controlled by the remote controller

11
T-Shirt Launch Circuit

• PIC18F4520
• Relays
• NPN Transistor
• Voltage Regulator

12
Launch Sequence

• Software
• Receive Signal
• Sampling
• Triggering
• Launch Sequence
• Safety Features
• Warning Lights
• Fire button switch accidentally left on
• Wont fire again until switch resets

13
Lighting

• 30 LEDs bulbs
• Green Headlights
• Red Taillights
• Wide Angle LED bulbs
• Warning flashes
• Green and White

14
Battery

• Lead Acid battery
• Two 12V Gel 32Ah
• 24.5 lbs
• lifetime

15
Final Product

• Load T-Shirt in barrel
• From the remote, when it switches on
• PIC will trigger the warning lights to turn on
• Open primary solenoid valve to charge the chamber
  to 300 psi
• Second solenoid valve is released which fires the
  T-Shirt

16
Special Thanks

• Rick Church
• Dr. Gokcek
• Brian Wright and Gregg Mulder
• Roy Baliff, Nate, and Dan
• Roxanne Peacock
• Sinisa Jurkovic

17
Demonstration