D-Lab Fall 2004. IAP Trip Details Time commitment… 3 - 28 January Monetary commitment… Living...
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Transcript of D-Lab Fall 2004. IAP Trip Details Time commitment… 3 - 28 January Monetary commitment… Living...
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
0
10
20
30
40
50
60
70
80
cowdungcharcoal
Guiding Principles for D-Lab
• Identify functional requirements• Encourage participatory
development• Value indigenous knowledge• Promote local innovation• Strive for sustainability