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Locations of 2008 partner workshops

Screw preload. Directions of NO motion. Contact. Coupling used: double angle iron. Wiggling. Screw preload. Contact. Directions of NO motion. Not used: double U-stock coupling (under-constrained).

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Locations of 2008 partner workshops

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  1. Screw preload Directions of NO motion Contact Coupling used: double angle iron Wiggling Screw preload Contact Directions of NO motion Not used: double U-stock coupling (under-constrained) WHEELCHAIR DESIGN IN DEVELOPING COUNTRIESOffered spring 2008 – 9 credits, meets TR3-4pmhttp://web.mit.edu/sp.784/www Class project development cycle • Motivation:Show students how they can use technology to improve the lives of others by advancing wheelchair technology • Activities of studentsin the class: • Learn the technical, social, and economic factors preventing appropriate wheelchair technology from being implemented • Study engineering, business, and biomechanics theory in context of wheelchairs • Work in teams, collaborating with developing country partners and wheelchair specialists, to design and prototype wheelchair technology • Interact with faculty, professional, and community partners during guest lecturers • Participate in summer fellowships in developing countries to implement class projects Locations of 2008partner workshops Collaborate 1. Define projects with workshops (Aug-Sept) Disseminate Wheelchair experts Students travel toworkshops 3. Test and implement (June-July) 2. Develop ideas and prototype (Feb-May) 2007 class projects Two-speed tricycleObjective: Improve functionality, comfort, and efficiency of tricyclesImplemented in: APDK, Kenya; DAGE, Mobility Care, Tanzania Folding 3-wheeled wheelchairObjective: Modify the popular African-made three-wheeler to have a folding frame for easier transport in busses, car trunk, etc Implemented in: Mobility Care, KCMC Wheelchair Workshop, Tanzania APDK model • How it works • Pedal forwards: figure-8 ratchets and you drive normally • Pedal backwards: normal chain ratchets at wheel and figure-8 chaindrives forward Normal side Figure-8 side Full prototype DAGE/Mobility Care model Normal side Figure-8 side Full prototype Improved tricycle frame designObjective: Best use local materials to make tricycle frame stronger, lighterImplemented in: APDK, Kenya (elements of project used, but not full frame) Marketing strategies for local workshopsObjective: Increase exposure of workshops’ mobility products, educate usersImplemented in: Mobility Care, KCMC Wheelchair Workshop, Tanzania Material comparison for tube stock sizes Brochure CAD Model Logo design Prototype Info packet for wheelchair users Manual for making a FREE website from an internet café DAGE/Mobility Care model http://make.a.website.on.googlepages.com Elements used in Kenya

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