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Yellow TeamManioc GraterOctober 20, 2005L. BaselC. Chestnut C. FarmC. HattonS. Lee
K. MearsA. PhippsJ. Rebula S. TurnerN. Villarruel
Target Market
Haiti and West Africa:
• Rural Farmers • Village Communities
Customer Needs• High Production Rate• Repairable, Robust• Low Cost• Off-grid Energy Source• Easy to Clean• Flexible
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:
$15 to construct
15 lbs total
20 hrs of labor
Rate
Target Rate = 17.05 kg/hr
Achieved Rate = 42.12 kg/hr
Nearly 2.5X the desired Market Rate!
Competitive Ratio = Average(Ratei /Costi)
Manioc Comp. Ratio = .341 kg/$hr
Performance vs. Price
Frontier Market
0
20
40
60
80
100
120
140
0 50 100 150 200 250 300 350
Cost
Rat
e
Current Market
Our Product
Linear (Current Market)
Design
3 Bearing Surfaces
Hopper Contact Point
Grating Surface: Galvanized Steel
Foot Peddle Mechanism
Grating Surface
Decision: Galvanized Steel
Shurform
Reciprocating Blade
RaspWire Brush
Carbide Rod
Our Product
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
Questions?