Posts Tagged ‘Ralf Hotchkiss’

PBS NewsHour With Jim Lehrer

PBS NewsHour covers Whirlwind Wheelchair International’s efforts to send low-cost durable wheelchairs to Haiti for amputees after the January 2010 earthquake Ralf Hotchkiss, is speaking the former headquarters at SFSU. Transcription for this video:  Whirlwind Wheelchair on PBS NewsHour with Jim Lehrer reported by Spencer Michels

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What Makes the RoughRider a Different Kind of Wheelchair? (Part I)

Whirlwind Wheelchair puts users in the center of the design process.  As such, the RoughRider has evolved out of the most common user needs we found.  This is the first installment in a series that highlights some of the design features that make the RoughRider a dynamic chair. So what makes the RoughRider a different…

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I Haven’t Tipped Once in the 10 Years

  Whirlwind’s co-founder, Ralf Hotchkiss was interviewed in December by San Francisco’s KGO radio. Check out the audio clip and find out why he hasn’t tipped forward out of his RoughRider’s® in ten years! Transcription for this video: I Haven’t Tipped Once in the 10 Years

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Whirlwind’s Handcycle Tricycle Development and Testing

Many types of hand-powered tricycles are used by people with disabilities around the world, from lightweight sports handcycles for racing and recreation to rolling stores to cargo trikes loaded with merchandise. Whirlwind is applying our experience with wheelchair propulsion, ergonomics, and manufacturing to the development of a cargo handcycle that can be efficiently produced at…

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Diverse – October 2011

Ralf Hotchkiss teaches a wheelchair design and fabrication class at San Francisco State University and enlists the help of students in continually improving wheelchair designs for the developing world.  Read The Story Here.

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Simplified Strength Testing of Manual Wheelchairs

Many small manufacturers of wheelchairs throughout the world’s developing countries do not have the resources and technical background to test their products for safety and durability. This paper suggests some essential tests which they can easily perform. The tests are based on fifteen years of experience with the Whirlwind type wheelchairs (which are manufactured and…

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Haiti Project with The Walkabout Foundation

Transcription for this video:  Haiti Project with The Walkabout Foundation After the devastating Haiti earthquake of 2010, many Haitians suffered severe injuries, while much of much of the country’s infrastructure laid destroyed. Whirlwind recognized that there was a urgent need for the RoughRider wheelchair, which is specifically designed for rough terrain. We offer our special…

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