Images Credit Nils Ferber
Designboom shows German designer Nils Ferber's eccentric electric tricycle with an interesting power source: two off-the-shelf electric screwdrivers.
The powering mechanism is really clever;
Both screwdrivers run in the same direction to get the maximum power out of them.To avoid one screwdriver blocking the other, overrunning clutch gearwheels are used to transmit the torque.
It isn't just me that thinks this is a bit eccentric, the designer does too:
Excentricity [sic] is defined as a deviation from what is ordinary or customary. To match this definition we couln´t just modify an existing vehicle but had to start designing something new from scratch. The result is a completely new driving concept: The driver lies headlong on his three-wheeled vehicle and accelerates the "EX" with sprawled out arms up to 30 km/h. Eccentrically is also how the steering works: A specially developed joint tilts the back wheel and leans the driver´s weight dynamically into the curve.
Steering with the spine-shaped joint is very different from holding a steering wheel or handle bar. You have to use your whole body to tilt and bend the vehicle. Designed in cooperation with Sebastian Auray, Ruben Faber and Ludolf von Oldershausen.
More at Nils Ferber.
While the trike may be a bit eccentric, the propulsion system is a great idea. I wonder if anyone makes a kit to fasten a drill to a regular bike. Someone should. (Oh wait, someone almost did here)
The simplest electric screwdrivers mimic a traditional screwdriver shape. They're great for occasional use and driving screws in confined spaces. But they only offer 3.6v or 4v of power and so may struggle with tougher jobs.
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