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 second installment in a series that highlights some of the design features that make the RoughRider such a dynamic chair. So what makes the RoughRider a…

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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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Wheelchair Riders in Control WWI’s Model of Technology Transfer by Peter Pfaelzer, Ph.D. and Marc Krizack, J.D. This article describes Whirlwind’s design methodology from its beginnings in 1980 until 2005, when Whirlwind focused on small shop manufacturing. Today we call this design methodology “User- Originated.” Although Whirlwind now designs for larger scale manufacturing with a significant…

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