Kiffin’s Crazy Coaster By Orazi’s Angels

Orazi’s Angels

Introduction Our goal was to build a better roller coaster “flamboyant” “15 seconds” Purchased: Styrofoam, pipe insulation, dowels Free: Funnel, Wood Scraps, PVC pipe, yarn Est cost: $15.50

How it works Marble is released by hand at top Hops a gap (TWICE!) Enters vertical tube, rolls to bottom of coaster Ball enters box, tugging a string, releasing new ball Funnel Exits funnel, reverses direction Coaster concludes at 15 seconds

Gravitational Potential Energy to Kinetic Energy Kinetic Energy to Gravitational Energy to Kinetic Energy

Gravitational Potential Energy to Kinetic Energy Kinetic Energy to Work Energy

Conclusion Time: spent 4-6 hours in construction Problems Exploring/testing new ideas Increasing predictability, reliability Securing/Fastening Problems Meeting 15 second mark Securing existing track when making additions Ramps, landings