Jun 102011
 

Designed and built by a team of students from Australia’s University of Adelaide, EDWARD is a futuristic, purely electric dicycle – also known as a diwheel.

Although it looks like transportation from the realm of science fiction, the vehicle is fully operational and can be controlled with surprising precision.

EDWARD is an acronym which stands for Electric Diwheel With Active Rotation Damping. A diwheel is similar to a monowheel, in which the rider’s seat is located inside the wheel. However, in the case of EDWARD, there are two axially aligned wheels instead of one, and the seat is located between them. Mechanical Engineering students have been working on the project since 2009, and it now seems to be close to completion – the designers have achieved quite a high level of controllability and stability.

One might think that such a diwheel design could make it hard to keep the rider’s seat level, especially when using the brakes or accelerating (the so-called “gerbiling” effect, in which the rider rocks like a gerbil in an exercise wheel). However, due to “in-built lateral stability and slosh control,” EDWARD allows riders to move in any direction, while their seat stays in a fixed position. The control system calculates and sets the best level of the seat after each movement.

EDWARD’s maximum speed is 25 mph (40 kph).

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