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?