1. Bike-Powered Athena Workstation Devon McCorkle & Kendra Johnson Take a successful garage experiment Transform it an appealing, fun, and useful device http://www.sustainability.ofm.uwa.edu.au/welcome /urban_sustainability/exercise_bike_generator

2. Bike-Powered Athena Workstation We know the concept works We know the concept works Great group project Great group project Lots of components and room for optimization Lots of components and room for optimization Construction appropriate for 1.102 Construction appropriate for 1.102 High potential to engage the community High potential to engage the community Potential for project expansion and long-term impact Potential for project expansion and long-term impact

3. Flywheel Gears User Interface Generator Voltage regulator Athena Laptop MIT Student The Concept

4. The Concept Works Exercise bicycle field survey : 60 – 160 watts Exercise bicycle field survey : 60 – 160 watts Laptop Power Cables : “up to 60-80 watts” Laptop Power Cables : “up to 60-80 watts” Experimentally boot up a Thinkpad: 30 watts Experimentally boot up a Thinkpad: 30 watts

5. Effective Group Project: Optimization of Components Flywheel Shifting Stores energy Buffers energy input from pedaling Placement Energy Generation and Storage Shifting drive gears Stabilize output wattage with 12v battery Diodes Fuses Device is build-able for 1.102 http://www.diracdelta.co.uk/science/s ource/f/l/flywheel/image001.jpg http://www.los- gatos.ca.us/davidbu/pedgen.html#Movies

6. Effective Group Project: Engage The Community A way to personally interact with electricity and power A way to personally interact with electricity and power Combines computing and exercising Combines computing and exercising People are interested People are interested

7. Site Survey Target User Target User TV or Laptop TV or Laptop Weekday Weekday Time, Distance, Calories are most popular metrics on the current machines Time, Distance, Calories are most popular metrics on the current machines Location Times a week minutesRPMWattsLaptop?Other Z –Center weekday 2.8 (4) 35 (4) 77 (4) 132 (1) Yes 75% (4) Maybe 25% Charge cellphone (2), power ipod, TV, charge laptop “get charged up” Z – center Weekend 3 (3) 17 (3) 87 (3) ? No 100% TV, power facility Stata Gym 2.4 (4) 32 (5) 79 (5) 117 (4) Yes 80% (5) No 20% Power ipod, a fan RANGE1-515-6061-10075-167 Calories 78% (9) Time Distance 34% (9) RPM 22% (9) Resistance Total Calories 11% (9) Heart Rate 11% (9)

8. Potential for Long Term Impact Enable more people to exercise Enable more people to exercise The ultimate in multi-tasking for those struggling to fit exercise into their lives at MIT The ultimate in multi-tasking for those struggling to fit exercise into their lives at MIT Bike-powered Athena Cluster? Bike-powered Athena Cluster? Imagine half of Building 1 cluster as bike powered workstations Imagine half of Building 1 cluster as bike powered workstations What else can we do with bike power? What else can we do with bike power?

9. Bike-Powered Athena Workstation Proven Concept Proven Concept Great group project Great group project Potential to make a real impact Potential to make a real impact