Plas lastic ic Bag g Rec ecycling ling Rope Weaver Hot Rods - - PowerPoint PPT Presentation

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Plas lastic ic Bag g Rec ecycling ling Rope Weaver Hot Rods - - PowerPoint PPT Presentation

Plas lastic ic Bag g Rec ecycling ling Rope Weaver Hot Rods 2.009 RedA Team October 4, 2007 1 Hot Rods Hot Hot Rods ods Rollers with Enclosed Heating Elements Human Powered Crank Rollers fuse bags Versatile Plastic Sheeting 2


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Plas lastic ic Bag g Rec ecycling ling

2.009 RedA Team October 4, 2007

Rope Weaver Hot Rods

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Hot Hot Rods

  • ds

Hot Rods

Rollers with Enclosed Heating Elements Human Powered Crank

Rollers fuse bags Versatile Plastic Sheeting

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Crit itical ical Modules

  • dules

Hot Rods

Heating Element

  • Video
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Crit itical ical Modules

  • dules

Hot Rods

Roller Mechanism

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Tec echnical hnical Requir equirement ements

Hot Rods

  • Wattmeter: ~400W
  • Presently, this is too Much Power!
  • Energy Needed: 6kJ/ft2
  • Speed: 2 ft/min

Power Needed: ~200W

ility.

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Opt Optimiz imization ion

Hot Rods

  • Temperature Control:
  • Exactly how much power?
  • How long will rollers stay hot?
  • Alternate Sources of Energy
  • Charcoal
  • Electricity
  • Human Power
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Plastic Bag Recycling

Tar arget get Cus ustomer

  • mer

Lome, Togo

  • Population: 850,000
  • Specifically: urban slum Forever

“…major source of pollution in virtually every country in Africa…”

Figure: Nations Online

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Plastic Bag Recycling

Cus ustomer

  • mer Needs

Needs

“…the main issue is getting the plastic bags off the street…”

  • -Meghan, IIJD

Bag Recycling Client

§

Significant Reduction in Pollution

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Plastic Bag Recycling

Cus ustomer

  • mer Needs

Needs

§

Produce a product people could find a use for immediately

“…people use them almost as suitcases…” “…if you make cheap rope, people will find a use for it…”

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Plastic Bag Recycling

Cus ustomer

  • mer Needs

Needs

§

Promotes employment and improved economic conditions

“…finding people to [make] the products shouldn’t be an issue at all…”

  • Additional Needs: Local Energy
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Current Technology: Engineers Without Borders: Ghana, adjacent to Togo

Figures: Ramanathan, 2007

Plas lastic ic Sheet heeting ing

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Conc

  • nclus

lusion ion

Plastic Bag Recycling

  • Clean up the streets of Lome
  • Provide useful consumer goods
  • Promote Economic Activity

Rope Weaver Hot Rods

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Plastic Bag Recycling

Ref efer erences ences

1.) Nation’s Online. Republic of Togo, 2007. http://www.nationsonline.org/oneworld/togo.htm. 2.) Ramanathan, Aparna. Community Fieldwork: Water Sachet Recycling. August 30, 2007. 3.) Schacht Spindle. The Incredible Rope Machine, 2006. http://www.schachtspindle.com/products/weaving/ropemachine.htm

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Human Human Power er Feas easibilit ibility

Hot Rods

  • Fit humans can sustain 200W for up to 1 hour
  • http://www.youtube.com/watch?v=mgRFPpZGx8Y