NIGHT FURY Ultimate Night Frisbee MECHANICAL ENGINEERING Department of TM THE UNIVERSITY OF UTAH ELECTRICAL & COMPUTER ENGINEERING TM THE UNIVERSITY OF UTAH 1 2 3 4 5 5 5 6 7 1 2 3 6 4 5 7 JP Thomas, Alex Bailey, Nick Arbanas, Carl Condas Advisors: Dr. Mark Minor, Dr. Ken Stevens Department of Mechanical and Electrical & Computer Engineering, University of Utah, Salt Lake City, UT Department of Background Ultimate Frisbee is a stereotypical college sport but is gaining popularity with groups of all ages. Night Frisbee is the next iteration of Ultimate Frisbee. Disc Enclosure 1. Disc enclosure mounting bracket 2. Custom disc PCB 3. 400mAh Li-Po battery 4. On/Off switch 5. LED protective windows 6. Main disc enclosure 7. Enclosure viewing window Wristband Enclosure 1. Electronics Housing 2. Light piping element 3. 150mAh Li-Po battery 4. On/Off switch 5. Custom wristband PCB 6. Wristband enclosure top 7. Assembly screws Current Equipment • Non-rechargeable batteries • Glow-sticks • Poor visibility • Disc LEDs change color randomly Night Fury Features • RGB LED lighting • Disc possession indicated by color • Dropped disc flashes neutral color • Rechargable Li-Po batteries • RFID communication • Mobile Application - Game setup with NFC and USB • Score-keeping Specifications • Total Disc Weight: 208 grams • Disc PCB Enclosure Size - Diameter: 2.25” , Thickness: 0.5” • Run Time - Disc: > 5 hours - Wristband: > 10 hours Problem Statement Design an Ultimate Frisbee System that is highly visible at night and reduces confusion regarding disc possesion and score Lighting Exploration Disc Prototype Scoreboard Projection Light Piping *Control disc on right Projection selected for manufacturing ease and adequate lighting Wristband Prototype Wristband Prototype Disc Model