Ralf Hotchkiss

4 06, 2013

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

2018-01-26T23:39:04+00:00

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

What Makes the RoughRider a Different Kind of Wheelchair? (Part I) 2018-01-26T23:39:04+00:00
22 01, 2013

Whirlwind’s Handcycle Tricycle Development and Testing

2018-01-27T03:03:07+00:00

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

Whirlwind’s Handcycle Tricycle Development and Testing 2018-01-27T03:03:07+00:00
9 02, 2011

Simplified Strength Testing of Manual Wheelchairs

2018-01-27T21:43:13+00:00

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

Simplified Strength Testing of Manual Wheelchairs 2018-01-27T21:43:13+00:00
15 05, 2009

ABC7 Morning News Whirlwind Wheelchair

2018-01-27T22:08:06+00:00

Wheels of Change done by ABC7 local San Francisco with Kristen Sze. This piece does a great job giving an overview on Whirlwind and our project to get RoughRider wheelchairs to people in Iraq in the Spring of 2009 in partnership with Brad Blauser and Wheelchairsforiraquikids.com.

ABC7 Morning News Whirlwind Wheelchair 2018-01-27T22:08:06+00:00