2021 Annual Newsletter

Safety First, Second and Third Solar Power Tricycle Development Wheelchairs to Oglala Lakota Amputees Next Version of the Electric RoughRider Letter from a Grateful Recipient of the Frank Barham Memorial Fund Kellogg Racial Equity Challenge 2030 Dear Friends and Supporters, During 2021, Whirlwind returned to its roots of assisting small-scale RoughRider wheelchair factories, which we…

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2020 Annual Newsletter

Pilgrimage of the Camino de Santiago A Request from HCBH hospital in Haiti Whirlwind: What Can Come Next? Designing 21st Century Vehicles For Persons With Disabilities A Request from Fort Larned National Historic Site Dear Friends and Supporters, It is now December 2020, eight months since the beginning of the COVID-19 lockdown. The sale and…

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2019 Annual Newsletter

Letter from the Chairperson Responses from Recent RoughRider Recipients A RoughRider for an Indigenous Grandmother One World Project in Morocco Subsidized Wheelchairs from the Frank Barham Fund Whirlwind Goes Back To Our Roots With the holiday season approaching, we would like to thank all of you whose contributions have helped give hope and support to…

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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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