D-LabFall

2004

IAP Trip Details

• Time commitment…• 3 - 28 January

• Monetary commitment…• Living expenses• Visa and passport fees

• Personal commitment…• YES!!

Intermediate Technology

Indigenous Technology

• Takes about 1 - 3 hours every day to grind grain for their families

• Costs less than $5 for equipment

Industrialized Technology

• Takes about 10 seconds to grind the grain for a family for one day

• Costs abut $8,000

Intermediate Technology

• Takes about 1 - 3 minutes to grind the grain for a family for one day

• Costs abut $500

Industrial Technology

• Produces about 10,000 bricks per day

• Costs abut $23,000

Intermediate Technology

• Produces about 500 bricks per day

• Costs abut $375

Indigenous Technology

Industrialized Technology

Intermediate Technology

Appropriate Technology

What are appropriate technologies?

The traditional definition:• low in capitol costs• uses local materials as much as possible• creates jobs• small scale• can be understood, maintained and

repaired locally• uses decentralized, renewable energy

sources• does not involve patents, royalties etc.

The Sari Cloth Filter

The Pot-in-Pot

Whirlwind Wheelchairs

Light Up the World: Solid State Lights

Grameen Phone

A Guiding Principle for AT

• Give a man a fish, and he eats for a day

• Teach a man to fish, and he eats for a life time...

unless there’s no river nearby!!

Fuel from the Fields Project: Charcoal Briquettes

Improvements to Press• Original Design• $100• Requires 3 people to

operate

• Improvements• Bracing makes press safer

and easier to use • Improved process to eject

briquettes • Throughput increased to 2

briquettes/minute

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10

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cowdungcharcoal

Guiding Principles for D-Lab

• Identify functional requirements• Encourage participatory

development• Value indigenous knowledge• Promote local innovation• Strive for sustainability