1. 23 December 2008 MSD I – Week 2

2.  Completed week 1 deliverables  Conducted benchmarking research on possible subsystems and lighting terminology  Started formulating engineering specifications  Expanded contact list to former SOIL interns  Obtained spring radio for benchmarking

4. #MetricUnitsImportance (Stars)Potential Value 1Production CostU.S. $*****50 2Has On-Board Power SupplyBinary*****Yes 3Usable Temperature Range°F or °C***(30-120)°F or (0-50)°C 4Water-ProofBinary***Yes 5Heat/Sand-Proof (Air Tight)Binary***Yes 6Storage CapacitymAh****6000 7Recharge-abilityCycles*****500 8Lifetimehrs*****100,000 9Distribution of Light(Δ Lux)/(Δ m)**~0 10Intensity of LightLux** 11Functional Drop Heightm***3 12Drop CyclesCycles***50+ 13Lens Hardness (Resists Scratching)Mohs Hardness***6+ 14EfficiencyLumens/Watt***** 15Efficiencyhrs/charge*****60 16Charge Timehrs***≤4 17Recyclable PartsBinary*Yes 18Environmentally FriendlyBinary*Yes 19Aesthetically PleasingSubjective*Yes 20Weight (Mass)lb (kg)**<10lb (<4.5kg)

5.  Get additional feedback on needs from new contacts  Refine final customer needs as customer information comes in  Solidify engineering specifications  Benchmarking on spring radio