23 december 2008 msd i – week 2. completed week 1 deliverables conducted benchmarking research...
TRANSCRIPT
23 December 2008MSD I – Week 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
# Metric Units Importance (Stars) Potential Value
1 Production Cost U.S. $ ***** 50
2 Has On-Board Power Supply Binary ***** Yes
3 Usable Temperature Range °F or °C *** (30-120)°F or (0-50)°C
4 Water-Proof Binary *** Yes
5 Heat/Sand-Proof (Air Tight) Binary *** Yes
6 Storage Capacity mAh **** 6000
7 Recharge-ability Cycles ***** 500
8 Lifetime hrs ***** 100,000
9 Distribution of Light (Δ Lux)/(Δ m) ** ~0
10 Intensity of Light Lux **
11 Functional Drop Height m *** 3
12 Drop Cycles Cycles *** 50+
13 Lens Hardness (Resists Scratching) Mohs Hardness *** 6+
14 Efficiency Lumens/Watt *****
15 Efficiency hrs/charge ***** 60
16 Charge Time hrs *** ≤4
17 Recyclable Parts Binary * Yes
18 Environmentally Friendly Binary * Yes
19 Aesthetically Pleasing Subjective * Yes
20 Weight (Mass) lb (kg) ** <10lb (<4.5kg)
Get additional feedback on needs from new contacts
Refine final customer needs as customer information comes in
Solidify engineering specifications Benchmarking on spring radio