Washing Machines

Project: Washing Machines

Tools:	Wrenches
Parts:	Frames, Nuts, Bolts, Plates, End caps, Barrels, Bicycle bottom brackets
Techniques:	Shelf joints, Tri joints

Challenges

Many people worldwide wash clothes manually, but the detergents are chemically harmful, and the repetitive motion of scrubbing is straining to the muscles and joints.

Approaches

Build a washing machine based on this inexpensive and durable design for use in rural areas. Use only Replimat components wherever possible. Gently wash clothes using pedal or solar electric power.

Cycle

• first fill
• second fill
• detergent release
• rinse / sanitize
• spin

Prototype

• 

  Washer gear assembly

• 

  Washer front

• 

  Washer inside

Bottom bracket

• 

  Bicycle bottom bracket adapter CAD

• 

  Bicycle bottom bracket adapter left side

• 

  Bicycle bottom bracket adapter right side

• 

  Cranks installed

References

File:The Pedal-Powered Washing Machine - Jenny Hu, Radu Raduta, Jessica Vechakul, Allen Armstrong.pdf
File:Unequal Loads - The Gender Division of Laundry - Claire Kovach.pdf