1. Yellow Team Manioc Grater October 20, 2005 L. Basel C. Chestnut C. Farm C. Hatton S. Lee K. Mears A.Phipps J. Rebula S. Turner N. Villarruel

2. Target Market Haiti and West Africa: Rural Farmers Village Communities

3. Customer Needs High Production Rate Repairable, Robust Low Cost Off-grid Energy Source Easy to Clean Flexible

4. Pricing Estimates Recommendations : Reduce cost, increase manufacturability and reparability Shaft: lightweight steel bar or rebar Less material, increased structural stability Attach chair with simple steel frame Mockup: $50 to construct 15 lbs w/o chair Target: $15 to construct 15 lbs total 20 hrs of labor

5. Rate Target Rate = 17.05 kg/hr Achieved Rate = 42.12 kg/hr Nearly 2.5X the desired Market Rate! Competitive Ratio = Average(Rate i /Cost i ) Manioc Comp. Ratio =.341 kg/$hr

6. Performance vs. Price

7. Design 3 Bearing Surfaces Hopper Contact Point Grating Surface: Galvanized Steel Foot Peddle Mechanism

8. Grating Surface Decision: Galvanized Steel Shurform Reciprocating Blade Rasp Wire Brush Carbide Rod

9. Our Product

11. Risks and Challenges 3 point constraint –Investigate 2 bearing configuration Stability of Apparatus –Hopper –Stand Safety – Guard, Cleaning, Storage Continuous Removal of Grated Manioc Manufacturability in Haiti and West Africa

12. Questions?